/test/ruby/test_io.rb
Ruby | 3974 lines | 3592 code | 354 blank | 28 comment | 113 complexity | 3bfa2bc38b8f6ed057baf875d82c1953 MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause, AGPL-3.0
- # coding: US-ASCII
- # frozen_string_literal: false
- require 'test/unit'
- require 'tmpdir'
- require "fcntl"
- require 'io/nonblock'
- require 'pathname'
- require 'socket'
- require 'stringio'
- require 'timeout'
- require 'tempfile'
- require 'weakref'
- class TestIO < Test::Unit::TestCase
- module Feature
- def have_close_on_exec?
- $stdin.close_on_exec?
- true
- rescue NotImplementedError
- false
- end
- def have_nonblock?
- IO.method_defined?("nonblock=")
- end
- end
- include Feature
- extend Feature
- def pipe(wp, rp)
- re, we = nil, nil
- r, w = IO.pipe
- rt = Thread.new do
- begin
- rp.call(r)
- rescue Exception
- r.close
- re = $!
- end
- end
- wt = Thread.new do
- begin
- wp.call(w)
- rescue Exception
- w.close
- we = $!
- end
- end
- flunk("timeout") unless wt.join(10) && rt.join(10)
- ensure
- w&.close
- r&.close
- (wt.kill; wt.join) if wt
- (rt.kill; rt.join) if rt
- raise we if we
- raise re if re
- end
- def with_pipe
- r, w = IO.pipe
- begin
- yield r, w
- ensure
- r.close
- w.close
- end
- end
- def with_read_pipe(content)
- pipe(proc do |w|
- w << content
- w.close
- end, proc do |r|
- yield r
- end)
- end
- def mkcdtmpdir
- Dir.mktmpdir {|d|
- Dir.chdir(d) {
- yield
- }
- }
- end
- def trapping_usr2
- @usr2_rcvd = 0
- r, w = IO.pipe
- trap(:USR2) do
- w.write([@usr2_rcvd += 1].pack('L'))
- end
- yield r
- ensure
- trap(:USR2, "DEFAULT")
- w&.close
- r&.close
- end
- def test_pipe
- r, w = IO.pipe
- assert_instance_of(IO, r)
- assert_instance_of(IO, w)
- [
- Thread.start{
- w.print "abc"
- w.close
- },
- Thread.start{
- assert_equal("abc", r.read)
- r.close
- }
- ].each{|thr| thr.join}
- end
- def test_binmode_pipe
- EnvUtil.with_default_internal(Encoding::UTF_8) do
- EnvUtil.with_default_external(Encoding::UTF_8) do
- begin
- reader0, writer0 = IO.pipe
- reader0.binmode
- writer0.binmode
- reader1, writer1 = IO.pipe
- reader2, writer2 = IO.pipe(binmode: true)
- assert_predicate writer0, :binmode?
- assert_predicate writer2, :binmode?
- assert_equal writer0.binmode?, writer2.binmode?
- assert_equal writer0.external_encoding, writer2.external_encoding
- assert_equal writer0.internal_encoding, writer2.internal_encoding
- assert_predicate reader0, :binmode?
- assert_predicate reader2, :binmode?
- assert_equal reader0.binmode?, reader2.binmode?
- assert_equal reader0.external_encoding, reader2.external_encoding
- assert_equal reader0.internal_encoding, reader2.internal_encoding
- reader3, writer3 = IO.pipe("UTF-8:UTF-8", binmode: true)
- assert_predicate writer3, :binmode?
- assert_equal writer1.external_encoding, writer3.external_encoding
- assert_equal writer1.internal_encoding, writer3.internal_encoding
- assert_predicate reader3, :binmode?
- assert_equal reader1.external_encoding, reader3.external_encoding
- assert_equal reader1.internal_encoding, reader3.internal_encoding
- reader4, writer4 = IO.pipe("UTF-8:UTF-8", binmode: true)
- assert_predicate writer4, :binmode?
- assert_equal writer1.external_encoding, writer4.external_encoding
- assert_equal writer1.internal_encoding, writer4.internal_encoding
- assert_predicate reader4, :binmode?
- assert_equal reader1.external_encoding, reader4.external_encoding
- assert_equal reader1.internal_encoding, reader4.internal_encoding
- reader5, writer5 = IO.pipe("UTF-8", "UTF-8", binmode: true)
- assert_predicate writer5, :binmode?
- assert_equal writer1.external_encoding, writer5.external_encoding
- assert_equal writer1.internal_encoding, writer5.internal_encoding
- assert_predicate reader5, :binmode?
- assert_equal reader1.external_encoding, reader5.external_encoding
- assert_equal reader1.internal_encoding, reader5.internal_encoding
- ensure
- [
- reader0, writer0,
- reader1, writer1,
- reader2, writer2,
- reader3, writer3,
- reader4, writer4,
- reader5, writer5,
- ].compact.map(&:close)
- end
- end
- end
- end
- def test_pipe_block
- x = nil
- ret = IO.pipe {|r, w|
- x = [r,w]
- assert_instance_of(IO, r)
- assert_instance_of(IO, w)
- [
- Thread.start do
- w.print "abc"
- w.close
- end,
- Thread.start do
- assert_equal("abc", r.read)
- end
- ].each{|thr| thr.join}
- assert_not_predicate(r, :closed?)
- assert_predicate(w, :closed?)
- :foooo
- }
- assert_equal(:foooo, ret)
- assert_predicate(x[0], :closed?)
- assert_predicate(x[1], :closed?)
- end
- def test_pipe_block_close
- 4.times {|i|
- x = nil
- IO.pipe {|r, w|
- x = [r,w]
- r.close if (i&1) == 0
- w.close if (i&2) == 0
- }
- assert_predicate(x[0], :closed?)
- assert_predicate(x[1], :closed?)
- }
- end
- def test_gets_rs
- rs = ":"
- pipe(proc do |w|
- w.print "aaa:bbb"
- w.close
- end, proc do |r|
- assert_equal "aaa:", r.gets(rs)
- assert_equal "bbb", r.gets(rs)
- assert_nil r.gets(rs)
- r.close
- end)
- end
- def test_gets_default_rs
- pipe(proc do |w|
- w.print "aaa\nbbb\n"
- w.close
- end, proc do |r|
- assert_equal "aaa\n", r.gets
- assert_equal "bbb\n", r.gets
- assert_nil r.gets
- r.close
- end)
- end
- def test_gets_rs_nil
- pipe(proc do |w|
- w.print "a\n\nb\n\n"
- w.close
- end, proc do |r|
- assert_equal "a\n\nb\n\n", r.gets(nil)
- assert_nil r.gets("")
- r.close
- end)
- end
- def test_gets_rs_377
- pipe(proc do |w|
- w.print "\377xyz"
- w.close
- end, proc do |r|
- r.binmode
- assert_equal("\377", r.gets("\377"), "[ruby-dev:24460]")
- r.close
- end)
- end
- def test_gets_paragraph
- pipe(proc do |w|
- w.print "a\n\nb\n\n"
- w.close
- end, proc do |r|
- assert_equal "a\n\n", r.gets(""), "[ruby-core:03771]"
- assert_equal "b\n\n", r.gets("")
- assert_nil r.gets("")
- r.close
- end)
- end
- def test_gets_chomp_rs
- rs = ":"
- pipe(proc do |w|
- w.print "aaa:bbb"
- w.close
- end, proc do |r|
- assert_equal "aaa", r.gets(rs, chomp: true)
- assert_equal "bbb", r.gets(rs, chomp: true)
- assert_nil r.gets(rs, chomp: true)
- r.close
- end)
- end
- def test_gets_chomp_default_rs
- pipe(proc do |w|
- w.print "aaa\r\nbbb\nccc"
- w.close
- end, proc do |r|
- assert_equal "aaa", r.gets(chomp: true)
- assert_equal "bbb", r.gets(chomp: true)
- assert_equal "ccc", r.gets(chomp: true)
- assert_nil r.gets
- r.close
- end)
- (0..3).each do |i|
- pipe(proc do |w|
- w.write("a" * ((4096 << i) - 4), "\r\n" "a\r\n")
- w.close
- end,
- proc do |r|
- r.gets
- assert_equal "a", r.gets(chomp: true)
- assert_nil r.gets
- r.close
- end)
- end
- end
- def test_gets_chomp_rs_nil
- pipe(proc do |w|
- w.print "a\n\nb\n\n"
- w.close
- end, proc do |r|
- assert_equal "a\n\nb\n", r.gets(nil, chomp: true)
- assert_nil r.gets("")
- r.close
- end)
- end
- def test_gets_chomp_paragraph
- pipe(proc do |w|
- w.print "a\n\nb\n\n"
- w.close
- end, proc do |r|
- assert_equal "a", r.gets("", chomp: true)
- assert_equal "b", r.gets("", chomp: true)
- assert_nil r.gets("", chomp: true)
- r.close
- end)
- end
- def test_gets_limit_extra_arg
- pipe(proc do |w|
- w << "0123456789\n0123456789"
- w.close
- end, proc do |r|
- assert_equal("0123456789\n0", r.gets(nil, 12))
- assert_raise(TypeError) { r.gets(3,nil) }
- end)
- end
- # This test cause SEGV.
- def test_ungetc
- pipe(proc do |w|
- w.close
- end, proc do |r|
- s = "a" * 1000
- assert_raise(IOError, "[ruby-dev:31650]") { 200.times { r.ungetc s } }
- end)
- end
- def test_ungetbyte
- make_tempfile {|t|
- t.open
- t.binmode
- t.ungetbyte(0x41)
- assert_equal(-1, t.pos)
- assert_equal(0x41, t.getbyte)
- t.rewind
- assert_equal(0, t.pos)
- t.ungetbyte("qux")
- assert_equal(-3, t.pos)
- assert_equal("quxfoo\n", t.gets)
- assert_equal(4, t.pos)
- t.set_encoding("utf-8")
- t.ungetbyte(0x89)
- t.ungetbyte(0x8e)
- t.ungetbyte("\xe7")
- t.ungetbyte("\xe7\xb4\x85")
- assert_equal(-2, t.pos)
- assert_equal("\u7d05\u7389bar\n", t.gets)
- }
- end
- def test_each_byte
- pipe(proc do |w|
- w << "abc def"
- w.close
- end, proc do |r|
- r.each_byte {|byte| break if byte == 32 }
- assert_equal("def", r.read, "[ruby-dev:31659]")
- end)
- end
- def test_each_byte_with_seek
- make_tempfile {|t|
- bug5119 = '[ruby-core:38609]'
- i = 0
- open(t.path) do |f|
- f.each_byte {i = f.pos}
- end
- assert_equal(12, i, bug5119)
- }
- end
- def test_each_codepoint
- make_tempfile {|t|
- bug2959 = '[ruby-core:28650]'
- a = ""
- File.open(t, 'rt') {|f|
- f.each_codepoint {|c| a << c}
- }
- assert_equal("foo\nbar\nbaz\n", a, bug2959)
- }
- end
- def test_codepoints
- make_tempfile {|t|
- bug2959 = '[ruby-core:28650]'
- a = ""
- File.open(t, 'rt') {|f|
- assert_warn(/deprecated/) {
- f.codepoints {|c| a << c}
- }
- }
- assert_equal("foo\nbar\nbaz\n", a, bug2959)
- }
- end
- def test_rubydev33072
- t = make_tempfile
- path = t.path
- t.close!
- assert_raise(Errno::ENOENT, "[ruby-dev:33072]") do
- File.read(path, nil, nil, **{})
- end
- end
- def with_srccontent(content = "baz")
- src = "src"
- mkcdtmpdir {
- File.open(src, "w") {|f| f << content }
- yield src, content
- }
- end
- def test_copy_stream_small
- with_srccontent("foobar") {|src, content|
- ret = IO.copy_stream(src, "dst")
- assert_equal(content.bytesize, ret)
- assert_equal(content, File.read("dst"))
- }
- end
- def test_copy_stream_append
- with_srccontent("foobar") {|src, content|
- File.open('dst', 'ab') do |dst|
- ret = IO.copy_stream(src, dst)
- assert_equal(content.bytesize, ret)
- assert_equal(content, File.read("dst"))
- end
- }
- end
- def test_copy_stream_smaller
- with_srccontent {|src, content|
- # overwrite by smaller file.
- dst = "dst"
- File.open(dst, "w") {|f| f << "foobar"}
- ret = IO.copy_stream(src, dst)
- assert_equal(content.bytesize, ret)
- assert_equal(content, File.read(dst))
- ret = IO.copy_stream(src, dst, 2)
- assert_equal(2, ret)
- assert_equal(content[0,2], File.read(dst))
- ret = IO.copy_stream(src, dst, 0)
- assert_equal(0, ret)
- assert_equal("", File.read(dst))
- ret = IO.copy_stream(src, dst, nil, 1)
- assert_equal(content.bytesize-1, ret)
- assert_equal(content[1..-1], File.read(dst))
- }
- end
- def test_copy_stream_noent
- with_srccontent {|src, content|
- assert_raise(Errno::ENOENT) {
- IO.copy_stream("nodir/foo", "dst")
- }
- assert_raise(Errno::ENOENT) {
- IO.copy_stream(src, "nodir/bar")
- }
- }
- end
- def test_copy_stream_pipe
- with_srccontent {|src, content|
- pipe(proc do |w|
- ret = IO.copy_stream(src, w)
- assert_equal(content.bytesize, ret)
- w.close
- end, proc do |r|
- assert_equal(content, r.read)
- end)
- }
- end
- def test_copy_stream_write_pipe
- with_srccontent {|src, content|
- with_pipe {|r, w|
- w.close
- assert_raise(IOError) { IO.copy_stream(src, w) }
- }
- }
- end
- def with_pipecontent
- mkcdtmpdir {
- yield "abc"
- }
- end
- def test_copy_stream_pipe_to_file
- with_pipecontent {|pipe_content|
- dst = "dst"
- with_read_pipe(pipe_content) {|r|
- ret = IO.copy_stream(r, dst)
- assert_equal(pipe_content.bytesize, ret)
- assert_equal(pipe_content, File.read(dst))
- }
- }
- end
- def test_copy_stream_read_pipe
- with_pipecontent {|pipe_content|
- with_read_pipe(pipe_content) {|r1|
- assert_equal("a", r1.getc)
- pipe(proc do |w2|
- w2.sync = false
- w2 << "def"
- ret = IO.copy_stream(r1, w2)
- assert_equal(2, ret)
- w2.close
- end, proc do |r2|
- assert_equal("defbc", r2.read)
- end)
- }
- with_read_pipe(pipe_content) {|r1|
- assert_equal("a", r1.getc)
- pipe(proc do |w2|
- w2.sync = false
- w2 << "def"
- ret = IO.copy_stream(r1, w2, 1)
- assert_equal(1, ret)
- w2.close
- end, proc do |r2|
- assert_equal("defb", r2.read)
- end)
- }
- with_read_pipe(pipe_content) {|r1|
- assert_equal("a", r1.getc)
- pipe(proc do |w2|
- ret = IO.copy_stream(r1, w2)
- assert_equal(2, ret)
- w2.close
- end, proc do |r2|
- assert_equal("bc", r2.read)
- end)
- }
- with_read_pipe(pipe_content) {|r1|
- assert_equal("a", r1.getc)
- pipe(proc do |w2|
- ret = IO.copy_stream(r1, w2, 1)
- assert_equal(1, ret)
- w2.close
- end, proc do |r2|
- assert_equal("b", r2.read)
- end)
- }
- with_read_pipe(pipe_content) {|r1|
- assert_equal("a", r1.getc)
- pipe(proc do |w2|
- ret = IO.copy_stream(r1, w2, 0)
- assert_equal(0, ret)
- w2.close
- end, proc do |r2|
- assert_equal("", r2.read)
- end)
- }
- pipe(proc do |w1|
- w1 << "abc"
- w1 << "def"
- w1.close
- end, proc do |r1|
- assert_equal("a", r1.getc)
- pipe(proc do |w2|
- ret = IO.copy_stream(r1, w2)
- assert_equal(5, ret)
- w2.close
- end, proc do |r2|
- assert_equal("bcdef", r2.read)
- end)
- end)
- }
- end
- def test_copy_stream_file_to_pipe
- with_srccontent {|src, content|
- pipe(proc do |w|
- ret = IO.copy_stream(src, w, 1, 1)
- assert_equal(1, ret)
- w.close
- end, proc do |r|
- assert_equal(content[1,1], r.read)
- end)
- }
- end
- if have_nonblock?
- def test_copy_stream_no_busy_wait
- skip "MJIT has busy wait on GC. This sometimes fails with --jit." if RubyVM::MJIT.enabled?
- skip "multiple threads already active" if Thread.list.size > 1
- msg = 'r58534 [ruby-core:80969] [Backport #13533]'
- IO.pipe do |r,w|
- r.nonblock = true
- assert_cpu_usage_low(msg, stop: ->{w.close}) do
- IO.copy_stream(r, IO::NULL)
- end
- end
- end
- def test_copy_stream_pipe_nonblock
- mkcdtmpdir {
- with_read_pipe("abc") {|r1|
- assert_equal("a", r1.getc)
- with_pipe {|r2, w2|
- begin
- w2.nonblock = true
- rescue Errno::EBADF
- skip "nonblocking IO for pipe is not implemented"
- end
- s = w2.syswrite("a" * 100000)
- t = Thread.new { sleep 0.1; r2.read }
- ret = IO.copy_stream(r1, w2)
- w2.close
- assert_equal(2, ret)
- assert_equal("a" * s + "bc", t.value)
- }
- }
- }
- end
- end
- def with_bigcontent
- yield "abc" * 123456
- end
- def with_bigsrc
- mkcdtmpdir {
- with_bigcontent {|bigcontent|
- bigsrc = "bigsrc"
- File.open("bigsrc", "w") {|f| f << bigcontent }
- yield bigsrc, bigcontent
- }
- }
- end
- def test_copy_stream_bigcontent
- with_bigsrc {|bigsrc, bigcontent|
- ret = IO.copy_stream(bigsrc, "bigdst")
- assert_equal(bigcontent.bytesize, ret)
- assert_equal(bigcontent, File.read("bigdst"))
- }
- end
- def test_copy_stream_bigcontent_chop
- with_bigsrc {|bigsrc, bigcontent|
- ret = IO.copy_stream(bigsrc, "bigdst", nil, 100)
- assert_equal(bigcontent.bytesize-100, ret)
- assert_equal(bigcontent[100..-1], File.read("bigdst"))
- }
- end
- def test_copy_stream_bigcontent_mid
- with_bigsrc {|bigsrc, bigcontent|
- ret = IO.copy_stream(bigsrc, "bigdst", 30000, 100)
- assert_equal(30000, ret)
- assert_equal(bigcontent[100, 30000], File.read("bigdst"))
- }
- end
- def test_copy_stream_bigcontent_fpos
- with_bigsrc {|bigsrc, bigcontent|
- File.open(bigsrc) {|f|
- begin
- assert_equal(0, f.pos)
- ret = IO.copy_stream(f, "bigdst", nil, 10)
- assert_equal(bigcontent.bytesize-10, ret)
- assert_equal(bigcontent[10..-1], File.read("bigdst"))
- assert_equal(0, f.pos)
- ret = IO.copy_stream(f, "bigdst", 40, 30)
- assert_equal(40, ret)
- assert_equal(bigcontent[30, 40], File.read("bigdst"))
- assert_equal(0, f.pos)
- rescue NotImplementedError
- #skip "pread(2) is not implemented."
- end
- }
- }
- end
- def test_copy_stream_closed_pipe
- with_srccontent {|src,|
- with_pipe {|r, w|
- w.close
- assert_raise(IOError) { IO.copy_stream(src, w) }
- }
- }
- end
- def with_megacontent
- yield "abc" * 1234567
- end
- def with_megasrc
- mkcdtmpdir {
- with_megacontent {|megacontent|
- megasrc = "megasrc"
- File.open(megasrc, "w") {|f| f << megacontent }
- yield megasrc, megacontent
- }
- }
- end
- if have_nonblock?
- def test_copy_stream_megacontent_nonblock
- with_megacontent {|megacontent|
- with_pipe {|r1, w1|
- with_pipe {|r2, w2|
- begin
- r1.nonblock = true
- w2.nonblock = true
- rescue Errno::EBADF
- skip "nonblocking IO for pipe is not implemented"
- end
- t1 = Thread.new { w1 << megacontent; w1.close }
- t2 = Thread.new { r2.read }
- t3 = Thread.new {
- ret = IO.copy_stream(r1, w2)
- assert_equal(megacontent.bytesize, ret)
- w2.close
- }
- _, t2_value, _ = assert_join_threads([t1, t2, t3])
- assert_equal(megacontent, t2_value)
- }
- }
- }
- end
- end
- def test_copy_stream_megacontent_pipe_to_file
- with_megasrc {|megasrc, megacontent|
- with_pipe {|r1, w1|
- with_pipe {|r2, w2|
- t1 = Thread.new { w1 << megacontent; w1.close }
- t2 = Thread.new { r2.read }
- t3 = Thread.new {
- ret = IO.copy_stream(r1, w2)
- assert_equal(megacontent.bytesize, ret)
- w2.close
- }
- _, t2_value, _ = assert_join_threads([t1, t2, t3])
- assert_equal(megacontent, t2_value)
- }
- }
- }
- end
- def test_copy_stream_megacontent_file_to_pipe
- with_megasrc {|megasrc, megacontent|
- with_pipe {|r, w|
- t1 = Thread.new { r.read }
- t2 = Thread.new {
- ret = IO.copy_stream(megasrc, w)
- assert_equal(megacontent.bytesize, ret)
- w.close
- }
- t1_value, _ = assert_join_threads([t1, t2])
- assert_equal(megacontent, t1_value)
- }
- }
- end
- def test_copy_stream_rbuf
- mkcdtmpdir {
- begin
- pipe(proc do |w|
- File.open("foo", "w") {|f| f << "abcd" }
- File.open("foo") {|f|
- f.read(1)
- assert_equal(3, IO.copy_stream(f, w, 10, 1))
- }
- w.close
- end, proc do |r|
- assert_equal("bcd", r.read)
- end)
- rescue NotImplementedError
- skip "pread(2) is not implemtented."
- end
- }
- end
- def with_socketpair
- s1, s2 = UNIXSocket.pair
- begin
- yield s1, s2
- ensure
- s1.close unless s1.closed?
- s2.close unless s2.closed?
- end
- end
- def test_copy_stream_socket1
- with_srccontent("foobar") {|src, content|
- with_socketpair {|s1, s2|
- ret = IO.copy_stream(src, s1)
- assert_equal(content.bytesize, ret)
- s1.close
- assert_equal(content, s2.read)
- }
- }
- end if defined? UNIXSocket
- def test_copy_stream_socket2
- with_bigsrc {|bigsrc, bigcontent|
- with_socketpair {|s1, s2|
- t1 = Thread.new { s2.read }
- t2 = Thread.new {
- ret = IO.copy_stream(bigsrc, s1)
- assert_equal(bigcontent.bytesize, ret)
- s1.close
- }
- result, _ = assert_join_threads([t1, t2])
- assert_equal(bigcontent, result)
- }
- }
- end if defined? UNIXSocket
- def test_copy_stream_socket3
- with_bigsrc {|bigsrc, bigcontent|
- with_socketpair {|s1, s2|
- t1 = Thread.new { s2.read }
- t2 = Thread.new {
- ret = IO.copy_stream(bigsrc, s1, 10000)
- assert_equal(10000, ret)
- s1.close
- }
- result, _ = assert_join_threads([t1, t2])
- assert_equal(bigcontent[0,10000], result)
- }
- }
- end if defined? UNIXSocket
- def test_copy_stream_socket4
- with_bigsrc {|bigsrc, bigcontent|
- File.open(bigsrc) {|f|
- assert_equal(0, f.pos)
- with_socketpair {|s1, s2|
- t1 = Thread.new { s2.read }
- t2 = Thread.new {
- ret = IO.copy_stream(f, s1, nil, 100)
- assert_equal(bigcontent.bytesize-100, ret)
- assert_equal(0, f.pos)
- s1.close
- }
- result, _ = assert_join_threads([t1, t2])
- assert_equal(bigcontent[100..-1], result)
- }
- }
- }
- end if defined? UNIXSocket
- def test_copy_stream_socket5
- with_bigsrc {|bigsrc, bigcontent|
- File.open(bigsrc) {|f|
- assert_equal(bigcontent[0,100], f.read(100))
- assert_equal(100, f.pos)
- with_socketpair {|s1, s2|
- t1 = Thread.new { s2.read }
- t2 = Thread.new {
- ret = IO.copy_stream(f, s1)
- assert_equal(bigcontent.bytesize-100, ret)
- assert_equal(bigcontent.length, f.pos)
- s1.close
- }
- result, _ = assert_join_threads([t1, t2])
- assert_equal(bigcontent[100..-1], result)
- }
- }
- }
- end if defined? UNIXSocket
- def test_copy_stream_socket6
- mkcdtmpdir {
- megacontent = "abc" * 1234567
- File.open("megasrc", "w") {|f| f << megacontent }
- with_socketpair {|s1, s2|
- begin
- s1.nonblock = true
- rescue Errno::EBADF
- skip "nonblocking IO for pipe is not implemented"
- end
- t1 = Thread.new { s2.read }
- t2 = Thread.new {
- ret = IO.copy_stream("megasrc", s1)
- assert_equal(megacontent.bytesize, ret)
- s1.close
- }
- result, _ = assert_join_threads([t1, t2])
- assert_equal(megacontent, result)
- }
- }
- end if defined? UNIXSocket
- def test_copy_stream_socket7
- GC.start
- mkcdtmpdir {
- megacontent = "abc" * 1234567
- File.open("megasrc", "w") {|f| f << megacontent }
- with_socketpair {|s1, s2|
- begin
- s1.nonblock = true
- rescue Errno::EBADF
- skip "nonblocking IO for pipe is not implemented"
- end
- trapping_usr2 do |rd|
- nr = 30
- begin
- pid = fork do
- s1.close
- IO.select([s2])
- Process.kill(:USR2, Process.ppid)
- buf = String.new(capacity: 16384)
- nil while s2.read(16384, buf)
- end
- s2.close
- nr.times do
- assert_equal megacontent.bytesize, IO.copy_stream("megasrc", s1)
- end
- assert_equal(1, rd.read(4).unpack1('L'))
- ensure
- s1.close
- _, status = Process.waitpid2(pid) if pid
- end
- assert_predicate(status, :success?)
- end
- }
- }
- end if defined? UNIXSocket and IO.method_defined?("nonblock=")
- def test_copy_stream_strio
- src = StringIO.new("abcd")
- dst = StringIO.new
- ret = IO.copy_stream(src, dst)
- assert_equal(4, ret)
- assert_equal("abcd", dst.string)
- assert_equal(4, src.pos)
- end
- def test_copy_stream_strio_len
- src = StringIO.new("abcd")
- dst = StringIO.new
- ret = IO.copy_stream(src, dst, 3)
- assert_equal(3, ret)
- assert_equal("abc", dst.string)
- assert_equal(3, src.pos)
- end
- def test_copy_stream_strio_off
- src = StringIO.new("abcd")
- with_pipe {|r, w|
- assert_raise(ArgumentError) {
- IO.copy_stream(src, w, 3, 1)
- }
- }
- end
- def test_copy_stream_fname_to_strio
- mkcdtmpdir {
- File.open("foo", "w") {|f| f << "abcd" }
- src = "foo"
- dst = StringIO.new
- ret = IO.copy_stream(src, dst, 3)
- assert_equal(3, ret)
- assert_equal("abc", dst.string)
- }
- end
- def test_copy_stream_strio_to_fname
- mkcdtmpdir {
- # StringIO to filename
- src = StringIO.new("abcd")
- ret = IO.copy_stream(src, "fooo", 3)
- assert_equal(3, ret)
- assert_equal("abc", File.read("fooo"))
- assert_equal(3, src.pos)
- }
- end
- def test_copy_stream_io_to_strio
- mkcdtmpdir {
- # IO to StringIO
- File.open("bar", "w") {|f| f << "abcd" }
- File.open("bar") {|src|
- dst = StringIO.new
- ret = IO.copy_stream(src, dst, 3)
- assert_equal(3, ret)
- assert_equal("abc", dst.string)
- assert_equal(3, src.pos)
- }
- }
- end
- def test_copy_stream_strio_to_io
- mkcdtmpdir {
- # StringIO to IO
- src = StringIO.new("abcd")
- ret = File.open("baz", "w") {|dst|
- IO.copy_stream(src, dst, 3)
- }
- assert_equal(3, ret)
- assert_equal("abc", File.read("baz"))
- assert_equal(3, src.pos)
- }
- end
- def test_copy_stream_strio_to_tempfile
- bug11015 = '[ruby-core:68676] [Bug #11015]'
- # StringIO to Tempfile
- src = StringIO.new("abcd")
- dst = Tempfile.new("baz")
- ret = IO.copy_stream(src, dst)
- assert_equal(4, ret)
- pos = dst.pos
- dst.rewind
- assert_equal("abcd", dst.read)
- assert_equal(4, pos, bug11015)
- ensure
- dst.close!
- end
- def test_copy_stream_pathname_to_pathname
- bug11199 = '[ruby-dev:49008] [Bug #11199]'
- mkcdtmpdir {
- File.open("src", "w") {|f| f << "ok" }
- src = Pathname.new("src")
- dst = Pathname.new("dst")
- IO.copy_stream(src, dst)
- assert_equal("ok", IO.read("dst"), bug11199)
- }
- end
- def test_copy_stream_write_in_binmode
- bug8767 = '[ruby-core:56518] [Bug #8767]'
- mkcdtmpdir {
- EnvUtil.with_default_internal(Encoding::UTF_8) do
- # StringIO to object with to_path
- bytes = "\xDE\xAD\xBE\xEF".force_encoding(Encoding::ASCII_8BIT)
- src = StringIO.new(bytes)
- dst = Object.new
- def dst.to_path
- "qux"
- end
- assert_nothing_raised(bug8767) {
- IO.copy_stream(src, dst)
- }
- assert_equal(bytes, File.binread("qux"), bug8767)
- assert_equal(4, src.pos, bug8767)
- end
- }
- end
- def test_copy_stream_read_in_binmode
- bug8767 = '[ruby-core:56518] [Bug #8767]'
- mkcdtmpdir {
- EnvUtil.with_default_internal(Encoding::UTF_8) do
- # StringIO to object with to_path
- bytes = "\xDE\xAD\xBE\xEF".force_encoding(Encoding::ASCII_8BIT)
- File.binwrite("qux", bytes)
- dst = StringIO.new
- src = Object.new
- def src.to_path
- "qux"
- end
- assert_nothing_raised(bug8767) {
- IO.copy_stream(src, dst)
- }
- assert_equal(bytes, dst.string.b, bug8767)
- assert_equal(4, dst.pos, bug8767)
- end
- }
- end
- class Rot13IO
- def initialize(io)
- @io = io
- end
- def readpartial(*args)
- ret = @io.readpartial(*args)
- ret.tr!('a-zA-Z', 'n-za-mN-ZA-M')
- ret
- end
- def write(str)
- @io.write(str.tr('a-zA-Z', 'n-za-mN-ZA-M'))
- end
- def to_io
- @io
- end
- end
- def test_copy_stream_io_to_rot13
- mkcdtmpdir {
- File.open("bar", "w") {|f| f << "vex" }
- File.open("bar") {|src|
- File.open("baz", "w") {|dst0|
- dst = Rot13IO.new(dst0)
- ret = IO.copy_stream(src, dst, 3)
- assert_equal(3, ret)
- }
- assert_equal("irk", File.read("baz"))
- }
- }
- end
- def test_copy_stream_rot13_to_io
- mkcdtmpdir {
- File.open("bar", "w") {|f| f << "flap" }
- File.open("bar") {|src0|
- src = Rot13IO.new(src0)
- File.open("baz", "w") {|dst|
- ret = IO.copy_stream(src, dst, 4)
- assert_equal(4, ret)
- }
- }
- assert_equal("sync", File.read("baz"))
- }
- end
- def test_copy_stream_rot13_to_rot13
- mkcdtmpdir {
- File.open("bar", "w") {|f| f << "bin" }
- File.open("bar") {|src0|
- src = Rot13IO.new(src0)
- File.open("baz", "w") {|dst0|
- dst = Rot13IO.new(dst0)
- ret = IO.copy_stream(src, dst, 3)
- assert_equal(3, ret)
- }
- }
- assert_equal("bin", File.read("baz"))
- }
- end
- def test_copy_stream_strio_flush
- with_pipe {|r, w|
- w.sync = false
- w.write "zz"
- src = StringIO.new("abcd")
- IO.copy_stream(src, w)
- t1 = Thread.new {
- w.close
- }
- t2 = Thread.new { r.read }
- _, result = assert_join_threads([t1, t2])
- assert_equal("zzabcd", result)
- }
- end
- def test_copy_stream_strio_rbuf
- pipe(proc do |w|
- w << "abcd"
- w.close
- end, proc do |r|
- assert_equal("a", r.read(1))
- sio = StringIO.new
- IO.copy_stream(r, sio)
- assert_equal("bcd", sio.string)
- end)
- end
- def test_copy_stream_src_wbuf
- mkcdtmpdir {
- pipe(proc do |w|
- File.open("foe", "w+") {|f|
- f.write "abcd\n"
- f.rewind
- f.write "xy"
- IO.copy_stream(f, w)
- }
- assert_equal("xycd\n", File.read("foe"))
- w.close
- end, proc do |r|
- assert_equal("cd\n", r.read)
- r.close
- end)
- }
- end
- class Bug5237
- attr_reader :count
- def initialize
- @count = 0
- end
- def read(bytes, buffer)
- @count += 1
- buffer.replace "this is a test"
- nil
- end
- end
- def test_copy_stream_broken_src_read_eof
- src = Bug5237.new
- dst = StringIO.new
- assert_equal 0, src.count
- th = Thread.new { IO.copy_stream(src, dst) }
- flunk("timeout") unless th.join(10)
- assert_equal 1, src.count
- end
- def test_copy_stream_dst_rbuf
- mkcdtmpdir {
- pipe(proc do |w|
- w << "xyz"
- w.close
- end, proc do |r|
- File.open("fom", "w+b") {|f|
- f.write "abcd\n"
- f.rewind
- assert_equal("abc", f.read(3))
- f.ungetc "c"
- IO.copy_stream(r, f)
- }
- assert_equal("abxyz", File.read("fom"))
- end)
- }
- end
- def test_copy_stream_to_duplex_io
- result = IO.pipe {|a,w|
- th = Thread.start {w.puts "yes"; w.close}
- IO.popen([EnvUtil.rubybin, '-pe$_="#$.:#$_"'], "r+") {|b|
- IO.copy_stream(a, b)
- b.close_write
- assert_join_threads([th])
- b.read
- }
- }
- assert_equal("1:yes\n", result)
- end
- def ruby(*args)
- args = ['-e', '$>.write($<.read)'] if args.empty?
- ruby = EnvUtil.rubybin
- opts = {}
- if defined?(Process::RLIMIT_NPROC)
- lim = Process.getrlimit(Process::RLIMIT_NPROC)[1]
- opts[:rlimit_nproc] = [lim, 2048].min
- end
- f = IO.popen([ruby] + args, 'r+', opts)
- pid = f.pid
- yield(f)
- ensure
- f.close unless !f || f.closed?
- begin
- Process.wait(pid)
- rescue Errno::ECHILD, Errno::ESRCH
- end
- end
- def test_try_convert
- assert_equal(STDOUT, IO.try_convert(STDOUT))
- assert_equal(nil, IO.try_convert("STDOUT"))
- end
- def test_ungetc2
- f = false
- pipe(proc do |w|
- Thread.pass until f
- w.write("1" * 10000)
- w.close
- end, proc do |r|
- r.ungetc("0" * 10000)
- f = true
- assert_equal("0" * 10000 + "1" * 10000, r.read)
- end)
- end
- def test_write_with_multiple_arguments
- pipe(proc do |w|
- w.write("foo", "bar")
- w.close
- end, proc do |r|
- assert_equal("foobar", r.read)
- end)
- end
- def test_write_with_multiple_arguments_and_buffer
- mkcdtmpdir do
- line = "x"*9+"\n"
- file = "test.out"
- open(file, "wb") do |w|
- w.write(line)
- assert_equal(11, w.write(line, "\n"))
- end
- open(file, "rb") do |r|
- assert_equal([line, line, "\n"], r.readlines)
- end
- line = "x"*99+"\n"
- open(file, "wb") do |w|
- w.write(line*81) # 8100 bytes
- assert_equal(100, w.write("a"*99, "\n"))
- end
- open(file, "rb") do |r|
- 81.times {assert_equal(line, r.gets)}
- assert_equal("a"*99+"\n", r.gets)
- end
- end
- end
- def test_write_with_many_arguments
- [1023, 1024].each do |n|
- pipe(proc do |w|
- w.write(*(["a"] * n))
- w.close
- end, proc do |r|
- assert_equal("a" * n, r.read)
- end)
- end
- end
- def test_write_with_multiple_nonstring_arguments
- assert_in_out_err([], "STDOUT.write(:foo, :bar)", ["foobar"])
- end
- def test_write_buffered_with_multiple_arguments
- out, err, (_, status) = EnvUtil.invoke_ruby(["-e", "sleep 0.1;puts 'foo'"], "", true, true) do |_, o, e, i|
- [o.read, e.read, Process.waitpid2(i)]
- end
- assert_predicate(status, :success?)
- assert_equal("foo\n", out)
- assert_empty(err)
- end
- def test_write_no_args
- IO.pipe do |r, w|
- assert_equal 0, w.write, '[ruby-core:86285] [Bug #14338]'
- assert_equal :wait_readable, r.read_nonblock(1, exception: false)
- end
- end
- def test_write_non_writable
- with_pipe do |r, w|
- assert_raise(IOError) do
- r.write "foobarbaz"
- end
- end
- end
- def test_dup
- ruby do |f|
- begin
- f2 = f.dup
- f.puts "foo"
- f2.puts "bar"
- f.close_write
- f2.close_write
- assert_equal("foo\nbar\n", f.read)
- assert_equal("", f2.read)
- ensure
- f2.close
- end
- end
- end
- def test_dup_many
- opts = {}
- opts[:rlimit_nofile] = 1024 if defined?(Process::RLIMIT_NOFILE)
- assert_separately([], <<-'End', **opts)
- a = []
- assert_raise(Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM) do
- loop {a << IO.pipe}
- end
- assert_raise(Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM) do
- loop {a << [a[-1][0].dup, a[-1][1].dup]}
- end
- End
- end
- def test_inspect
- with_pipe do |r, w|
- assert_match(/^#<IO:fd \d+>$/, r.inspect)
- r.freeze
- assert_match(/^#<IO:fd \d+>$/, r.inspect)
- end
- end
- def test_readpartial
- pipe(proc do |w|
- w.write "foobarbaz"
- w.close
- end, proc do |r|
- assert_raise(ArgumentError) { r.readpartial(-1) }
- assert_equal("fooba", r.readpartial(5))
- r.readpartial(5, s = "")
- assert_equal("rbaz", s)
- end)
- end
- def test_readpartial_lock
- with_pipe do |r, w|
- s = ""
- t = Thread.new { r.readpartial(5, s) }
- Thread.pass until t.stop?
- assert_raise(RuntimeError) { s.clear }
- w.write "foobarbaz"
- w.close
- assert_equal("fooba", t.value)
- end
- end
- def test_readpartial_pos
- mkcdtmpdir {
- open("foo", "w") {|f| f << "abc" }
- open("foo") {|f|
- f.seek(0)
- assert_equal("ab", f.readpartial(2))
- assert_equal(2, f.pos)
- }
- }
- end
- def test_readpartial_with_not_empty_buffer
- pipe(proc do |w|
- w.write "foob"
- w.close
- end, proc do |r|
- r.readpartial(5, s = "01234567")
- assert_equal("foob", s)
- end)
- end
- def test_readpartial_buffer_error
- with_pipe do |r, w|
- s = ""
- t = Thread.new { r.readpartial(5, s) }
- Thread.pass until t.stop?
- t.kill
- t.value
- assert_equal("", s)
- end
- end if /cygwin/ !~ RUBY_PLATFORM
- def test_read
- pipe(proc do |w|
- w.write "foobarbaz"
- w.close
- end, proc do |r|
- assert_raise(ArgumentError) { r.read(-1) }
- assert_equal("fooba", r.read(5))
- r.read(nil, s = "")
- assert_equal("rbaz", s)
- end)
- end
- def test_read_lock
- with_pipe do |r, w|
- s = ""
- t = Thread.new { r.read(5, s) }
- Thread.pass until t.stop?
- assert_raise(RuntimeError) { s.clear }
- w.write "foobarbaz"
- w.close
- assert_equal("fooba", t.value)
- end
- end
- def test_read_with_not_empty_buffer
- pipe(proc do |w|
- w.write "foob"
- w.close
- end, proc do |r|
- r.read(nil, s = "01234567")
- assert_equal("foob", s)
- end)
- end
- def test_read_buffer_error
- with_pipe do |r, w|
- s = ""
- t = Thread.new { r.read(5, s) }
- Thread.pass until t.stop?
- t.kill
- t.value
- assert_equal("", s)
- end
- with_pipe do |r, w|
- s = "xxx"
- t = Thread.new {r.read(2, s)}
- Thread.pass until t.stop?
- t.kill
- t.value
- assert_equal("xxx", s)
- end
- end if /cygwin/ !~ RUBY_PLATFORM
- def test_write_nonblock
- pipe(proc do |w|
- w.write_nonblock(1)
- w.close
- end, proc do |r|
- assert_equal("1", r.read)
- end)
- end
- def test_read_nonblock_with_not_empty_buffer
- with_pipe {|r, w|
- w.write "foob"
- w.close
- r.read_nonblock(5, s = "01234567")
- assert_equal("foob", s)
- }
- end
- def test_write_nonblock_simple_no_exceptions
- pipe(proc do |w|
- w.write_nonblock('1', exception: false)
- w.close
- end, proc do |r|
- assert_equal("1", r.read)
- end)
- end
- def test_read_nonblock_error
- with_pipe {|r, w|
- begin
- r.read_nonblock 4096
- rescue Errno::EWOULDBLOCK
- assert_kind_of(IO::WaitReadable, $!)
- end
- }
- with_pipe {|r, w|
- begin
- r.read_nonblock 4096, ""
- rescue Errno::EWOULDBLOCK
- assert_kind_of(IO::WaitReadable, $!)
- end
- }
- end if have_nonblock?
- def test_read_nonblock_invalid_exception
- with_pipe {|r, w|
- assert_raise(ArgumentError) {r.read_nonblock(4096, exception: 1)}
- }
- end if have_nonblock?
- def test_read_nonblock_no_exceptions
- skip '[ruby-core:90895] MJIT worker may leave fd open in a forked child' if RubyVM::MJIT.enabled? # TODO: consider acquiring GVL from MJIT worker.
- with_pipe {|r, w|
- assert_equal :wait_readable, r.read_nonblock(4096, exception: false)
- w.puts "HI!"
- assert_equal "HI!\n", r.read_nonblock(4096, exception: false)
- w.close
- assert_equal nil, r.read_nonblock(4096, exception: false)
- }
- end if have_nonblock?
- def test_read_nonblock_with_buffer_no_exceptions
- with_pipe {|r, w|
- assert_equal :wait_readable, r.read_nonblock(4096, "", exception: false)
- w.puts "HI!"
- buf = "buf"
- value = r.read_nonblock(4096, buf, exception: false)
- assert_equal value, "HI!\n"
- assert_same(buf, value)
- w.close
- assert_equal nil, r.read_nonblock(4096, "", exception: false)
- }
- end if have_nonblock?
- def test_write_nonblock_error
- with_pipe {|r, w|
- begin
- loop {
- w.write_nonblock "a"*100000
- }
- rescue Errno::EWOULDBLOCK
- assert_kind_of(IO::WaitWritable, $!)
- end
- }
- end if have_nonblock?
- def test_write_nonblock_invalid_exception
- with_pipe {|r, w|
- assert_raise(ArgumentError) {w.write_nonblock(4096, exception: 1)}
- }
- end if have_nonblock?
- def test_write_nonblock_no_exceptions
- with_pipe {|r, w|
- loop {
- ret = w.write_nonblock("a"*100000, exception: false)
- if ret.is_a?(Symbol)
- assert_equal :wait_writable, ret
- break
- end
- }
- }
- end if have_nonblock?
- def test_gets
- pipe(proc do |w|
- w.write "foobarbaz"
- w.close
- end, proc do |r|
- assert_equal("", r.gets(0))
- assert_equal("foobarbaz", r.gets(9))
- end)
- end
- def test_close_read
- ruby do |f|
- f.close_read
- f.write "foobarbaz"
- assert_raise(IOError) { f.read }
- assert_nothing_raised(IOError) {f.close_read}
- assert_nothing_raised(IOError) {f.close}
- assert_nothing_raised(IOError) {f.close_read}
- end
- end
- def test_close_read_pipe
- with_pipe do |r, w|
- r.close_read
- assert_raise(Errno::EPIPE) { w.write "foobarbaz" }
- assert_nothing_raised(IOError) {r.close_read}
- assert_nothing_raised(IOError) {r.close}
- assert_nothing_raised(IOError) {r.close_read}
- end
- end
- def test_write_epipe_nosync
- assert_separately([], <<-"end;")
- r, w = IO.pipe
- r.close
- w.sync = false
- assert_raise(Errno::EPIPE) {
- loop { w.write "a" }
- }
- end;
- end
- def test_close_read_non_readable
- with_pipe do |r, w|
- assert_raise(IOError) do
- w.close_read
- end
- end
- end
- def test_close_write
- ruby do |f|
- f.write "foobarbaz"
- f.close_write
- assert_equal("foobarbaz", f.read)
- assert_nothing_raised(IOError) {f.close_write}
- assert_nothing_raised(IOError) {f.close}
- assert_nothing_raised(IOError) {f.close_write}
- end
- end
- def test_close_write_non_readable
- with_pipe do |r, w|
- assert_raise(IOError) do
- r.close_write
- end
- end
- end
- def test_close_read_write_separately
- bug = '[ruby-list:49598]'
- (1..10).each do |i|
- assert_nothing_raised(IOError, "#{bug} trying ##{i}") do
- IO.popen(EnvUtil.rubybin, "r+") {|f|
- th = Thread.new {f.close_write}
- f.close_read
- th.join
- }
- end
- end
- end
- def test_pid
- IO.pipe {|r, w|
- assert_equal(nil, r.pid)
- assert_equal(nil, w.pid)
- }
- begin
- pipe = IO.popen(EnvUtil.rubybin, "r+")
- pid1 = pipe.pid
- pipe.puts "p $$"
- pipe.close_write
- pid2 = pipe.read.chomp.to_i
- assert_equal(pid2, pid1)
- assert_equal(pid2, pipe.pid)
- ensure
- pipe.close
- end
- assert_raise(IOError) { pipe.pid }
- end
- def test_pid_after_close_read
- pid1 = pid2 = nil
- IO.popen("exit ;", "r+") do |io|
- pid1 = io.pid
- io.close_read
- pid2 = io.pid
- end
- assert_not_nil(pid1)
- assert_equal(pid1, pid2)
- end
- def make_tempfile
- t = Tempfile.new("test_io")
- t.binmode
- t.puts "foo"
- t.puts "bar"
- t.puts "baz"
- t.close
- if block_given?
- begin
- yield t
- ensure
- t.close(true)
- end
- else
- t
- end
- end
- def test_set_lineno
- make_tempfile {|t|
- assert_separately(["-", t.path], <<-SRC)
- open(ARGV[0]) do |f|
- assert_equal(0, $.)
- f.gets; assert_equal(1, $.)
- f.gets; assert_equal(2, $.)
- f.lineno = 1000; assert_equal(2, $.)
- f.gets; assert_equal(1001, $.)
- f.gets; assert_equal(1001, $.)
- f.rewind; assert_equal(1001, $.)
- f.gets; assert_equal(1, $.)
- f.gets; assert_equal(2, $.)
- f.gets; assert_equal(3, $.)
- f.gets; assert_equal(3, $.)
- end
- SRC
- }
- end
- def test_set_lineno_gets
- pipe(proc do |w|
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- r.gets; assert_equal(1, $.)
- r.gets; assert_equal(2, $.)
- r.lineno = 1000; assert_equal(2, $.)
- r.gets; assert_equal(1001, $.)
- r.gets; assert_equal(1001, $.)
- end)
- end
- def test_set_lineno_readline
- pipe(proc do |w|
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- r.readline; assert_equal(1, $.)
- r.readline; assert_equal(2, $.)
- r.lineno = 1000; assert_equal(2, $.)
- r.readline; assert_equal(1001, $.)
- assert_raise(EOFError) { r.readline }
- end)
- end
- def test_each_char
- pipe(proc do |w|
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- a = []
- r.each_char {|c| a << c }
- assert_equal(%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"], a)
- end)
- end
- def test_lines
- verbose, $VERBOSE = $VERBOSE, nil
- pipe(proc do |w|
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- e = nil
- assert_warn(/deprecated/) {
- e = r.lines
- }
- assert_equal("foo\n", e.next)
- assert_equal("bar\n", e.next)
- assert_equal("baz\n", e.next)
- assert_raise(StopIteration) { e.next }
- end)
- ensure
- $VERBOSE = verbose
- end
- def test_bytes
- verbose, $VERBOSE = $VERBOSE, nil
- pipe(proc do |w|
- w.binmode
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- e = nil
- assert_warn(/deprecated/) {
- e = r.bytes
- }
- (%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
- assert_equal(c.ord, e.next)
- end
- assert_raise(StopIteration) { e.next }
- end)
- ensure
- $VERBOSE = verbose
- end
- def test_chars
- verbose, $VERBOSE = $VERBOSE, nil
- pipe(proc do |w|
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- e = nil
- assert_warn(/deprecated/) {
- e = r.chars
- }
- (%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
- assert_equal(c, e.next)
- end
- assert_raise(StopIteration) { e.next }
- end)
- ensure
- $VERBOSE = verbose
- end
- def test_readbyte
- pipe(proc do |w|
- w.binmode
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- r.binmode
- (%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
- assert_equal(c.ord, r.readbyte)
- end
- assert_raise(EOFError) { r.readbyte }
- end)
- end
- def test_readchar
- pipe(proc do |w|
- w.puts "foo"
- w.puts "bar"
- w.puts "baz"
- w.close
- end, proc do |r|
- (%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
- assert_equal(c, r.readchar)
- end
- assert_raise(EOFError) { r.readchar }
- end)
- end
- def test_close_on_exec
- ruby do |f|
- assert_equal(true, f.close_on_exec?)
- f.close_on_exec = false
- assert_equal(false, f.close_on_exec?)
- f.close_on_exec = true
- assert_equal(true, f.close_on_exec?)
- f.close_on_exec = false
- assert_equal(false, f.close_on_exec?)
- end
- with_pipe do |r, w|
- assert_equal(true, r.close_on_exec?)
- r.close_on_exec = false
- assert_equal(false, r.close_on_exec?)
- r.close_on_exec = true
- assert_equal(true, r.close_on_exec?)
- r.close_on_exec = false
- assert_equal(false, r.close_on_exec?)
- assert_equal(true, w.close_on_exec?)
- w.close_on_exec = false
- assert_equal(false, w.close_on_exec?)
- w.close_on_exec = true
- assert_equal(true, w.close_on_exec?)
- w.close_on_exec = false
- assert_equal(false, w.close_on_exec?)
- end
- end if have_close_on_exec?
- def test_pos
- make_tempfile {|t|
- open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f|
- f.write "Hello"
- assert_equal(5, f.pos)
- end
- open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f|
- f.sync = true
- f.read
- f.write "Hello"
- assert_equal(5, f.pos)
- end
- }
- end
- def test_pos_with_getc
- _bug6179 = '[ruby-core:43497]'
- make_tempfile {|t|
- ["", "t", "b"].each do |mode|
- open(t.path, "w#{mode}") do |f|
- f.write "0123456789\n"
- end
- open(t.path, "r#{mode}") do |f|
- assert_equal 0, f.pos, "mode=r#{mode}"
- assert_equal '0', f.getc, "mode=r#{mode}"
- assert_equal 1, f.pos, "mode=r#{mode}"
- assert_equal '1', f.getc, "mode=r#{mode}"
- assert_equal 2, f.pos, "mode=r#{mode}"
- assert_equal '2', f.getc, "mode=r#{mode}"
- assert_equal 3, f.pos, "mode=r#{mode}"
- assert_equal '3', f.getc, "mode=r#{mode}"
- assert_equal 4, f.pos, "mode=r#{mode}"
- assert_equal '4', f.getc, "mode=r#{mode}"
- end
- end
- }
- end
- def can_seek_data(f)
- if /linux/ =~ RUBY_PLATFORM
- require "-test-/file"
- # lseek(2)
- case Bug::File::Fs.fsname(f.path)
- when "btrfs"
- return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,1]) >= 0
- when "ocfs"
- return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,2]) >= 0
- when "xfs"
- return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,5]) >= 0
- when "ext4"
- return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,8]) >= 0
- when "tmpfs"
- return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,8]) >= 0
- end
- end
- false
- end
- def test_seek
- make_tempfile {|t|
- open(t.path) { |f|
- f.seek(9)
- assert_equal("az\n", f.read)
- }
- open(t.path) { |f|
- f.seek(9, IO::SEEK_SET)
- assert_equal("az\n", f.read)
- }
- open(t.path) { |f|
- f.seek(-4, IO::SEEK_END)
- assert_equal("baz\n", f.read)
- }
- open(t.path) { |f|
- assert_equal("foo\n", f.gets)
- f.seek(2, IO::SEEK_CUR)
- assert_equal("r\nbaz\n", f.read)
- }
- if defined?(IO::SEEK_DATA)
- open(t.path) { |f|
- break unless can_seek_data(f)
- assert_equal("foo\n", f.gets)
- f.seek(0, IO::SEEK_DATA)
- assert_equal("foo\nbar\nbaz\n", f.read)
- }
- open(t.path, 'r+') { |f|
- break unless can_seek_data(f)
- f.seek(100*1024, IO::SEEK_SET)
- f.print("zot\n")
- f.seek(50*1024, IO::SEEK_DATA)
- assert_operator(f.pos, :>=, 50*1024)
- assert_match(/\A\0*zot\n\z/, f.read)
- }
- end
- if defined?(IO::SEEK_HOLE)
- open(t.path) { |f|
- break unless can_seek_data(f)
- assert_equal("foo\n", f.gets)
- f.seek(0, IO::SEEK_HOLE)
- assert_operator(f.pos, :>, 20)
- f.seek(100*1024, IO::SEEK_HOLE)
- assert_equal("", f.read)
- }
- end
- }
- end
- def test_seek_symwhence
- make_tempfile {|t|
- open(t.path) { |f|
- f.seek(9, :SET)
- assert_equal("az\n", f.read)
- }
- open(t.path) { |f|
- f.seek(-4, :END)
- assert_equal("baz\n", f.read)
- }
- open(t.path) { |f|
- assert_equal("foo\n", f.gets)
- f.seek(2, :CUR)
- assert_equal("r\nbaz\n", f.read)
- }
- if defined?(IO::SEEK_DATA)
- open(t.path) { |f|
- break unless can_seek_data(f)
- assert_equal("foo\n", f.gets)
- f.seek(0, :DATA)
- assert_equal("foo\nbar\nbaz\n", f.read)
- }
- open(t.path, 'r+') { |f|
- break unless can_seek_data(f)
- f.seek(100*1024, :SET)
- f.print("zot\n")
- f.seek(50*1024, :DATA)
- assert_operator(f.pos, :>=, 50*1024)
- assert_match(/\A\0*zot\n\z/, f.read)
- }
- end
- if defined?(IO::SEEK_HOLE)
- open(t.path) { |f|
- break unless can_seek_data(f)
- assert_equal("foo\n", f.gets)
- f.seek(0, :HOLE)
- assert_operator(f.pos, :>, 20)
- f.seek(100*1024, :HOLE)
- assert_equal("", f.read)
- }
- end
- }
- end
- def test_sysseek
- make_tempfile {|t|
- open(t.path) do |f|
- f.sysseek(-4, IO::SEEK_END)
- assert_equal("baz\n", f.read)
- end
- open(t.path) do |f|
- a = [f.getc, f.getc, f.getc]
- a.reverse_each {|c| f.ungetc c }
- assert_raise(IOError) { f.sysseek(1) }
- end
- }
- end
- def test_syswrite
- make_tempfile {|t|
- open(t.path, "w") do |f|
- o = Object.new
- def o.to_s; "FOO\n"; end
- f.syswrite(o)
- end
- assert_equal("FOO\n", File.read(t.path))
- }
- end
- def test_sysread
- make_tempfile {|t|
- open(t.path) do |f|
- a = [f.getc, f.getc, f.getc]
- a.reverse_each {|c| f.ungetc c }
- assert_raise(IOError) { f.sysread(1) }
- end
- }
- end
- def test_sysread_with_not_empty_buffer
- pipe(proc do |w|
- w.write "foob"
- w.close
- end, proc do |r|
- r.sysread( 5, s = "01234567" )
- assert_equal( "foob", s )
- end)
- end
- def test_flag
- make_tempfile {|t|
- assert_raise(ArgumentError) do
- open(t.path, "z") { }
- end
- assert_raise(ArgumentError) do
- open(t.path, "rr") { }
- end
- assert_raise(ArgumentError) do
- open(t.path, "rbt") { }
- end
- }
- end
- def test_sysopen
- make_tempfile {|t|
- fd = IO.sysopen(t.path)
- assert_kind_of(Integer, fd)
- f = IO.for_fd(fd)
- assert_equal("foo\nbar\nbaz\n", f.read)
- f.close
- fd = IO.sysopen(t.path, "w", 0666)
- assert_kind_of(Integer, fd)
- if defined?(Fcntl::F_GETFL)
- f = IO.for_fd(fd)
- else
- f = IO.for_fd(fd, 0666)
- end
- f.write("FOO\n")
- f.close
- fd = IO.sysopen(t.path, "r")
- assert_kind_of(Integer, fd)
- f = IO.for_fd(fd)
- assert_equal("FOO\n", f.read)
- f.close
- }
- end
- def try_fdopen(fd, autoclose = true, level = 50)
- if level > 0
- begin
- 1.times {return try_fdopen(fd, autoclose, level - 1)}
- ensure
- GC.start
- end
- else
- WeakRef.new(IO.for_fd(fd, autoclose: autoclose))
- end
- end
- def test_autoclose
- feature2250 = '[ruby-core:26222]'
- pre = 'ft2250'
- Dir.mktmpdir {|d|
- t = open("#{d}/#{pre}", "w")
- f = IO.for_fd(t.fileno)
- assert_equal(true, f.autoclose?)
- f.autoclose = false
- assert_equal(false, f.autoclose?)
- f.close
- assert_nothing_raised(Errno::EBADF, feature2250) {t.close}
- t = open("#{d}/#{pre}", "w")
- f = IO.for_fd(t.fileno, autoclose: false)
- assert_equal(false, f.autoclose?)
- f.autoclose = true
- assert_equal(true, f.autoclose?)
- f.close
- assert_raise(Errno::EBADF, feature2250) {t.close}
- }
- end
- def test_autoclose_true_closed_by_finalizer
- # http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1465760
- # http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1469765
- skip 'this randomly fails with MJIT' if RubyVM::MJIT.enabled?
- feature2250 = '[ruby-core:26222]'
- pre = 'ft2250'
- t = Tempfile.new(pre)
- w = try_fdopen(t.fileno)
- begin
- w.close
- begin
- t.close
- rescue Errno::EBADF
- end
- skip "expect IO object was GC'ed but not recycled yet"
- rescue WeakRef::RefError
- assert_raise(Errno::EBADF, feature2250) {t.close}
- end
- ensure
- t&.close!
- end
- def test_autoclose_false_closed_by_finalizer
- feature2250 = '[ruby-core:26222]'
- pre = 'ft2250'
- t = Tempfile.new(pre)
- w = try_fdopen(t.fileno, false)
- begin
- w.close
- t.close
- skip "expect IO object was GC'ed but not recycled yet"
- rescue WeakRef::RefError
- assert_nothing_raised(Errno::EBADF, feature2250) {t.close}
- end
- ensure
- t.close!
- end
- def test_open_redirect
- o = Object.new
- def o.to_open; self; end
- assert_equal(o, open(o))
- o2 = nil
- open(o) do |f|
- o2 = f
- end
- assert_equal(o, o2)
- end
- def test_open_redirect_keyword
- o = Object.new
- def o.to_open(**kw); kw; end
- assert_equal({:a=>1}, open(o, a: 1))
- assert_raise(ArgumentError) { open(o, {a: 1}) }
- class << o
- remove_method(:to_open)
- end
- def o.to_open(kw); kw; end
- assert_equal({:a=>1}, open(o, a: 1))
- assert_equal({:a=>1}, open(o, {a: 1}))
- end
- def test_open_pipe
- open("|" + EnvUtil.rubybin, "r+") do |f|
- f.puts "puts 'foo'"
- f.close_write
- assert_equal("foo\n", f.read)
- end
- end
- def test_read_command
- assert_equal("foo\n", IO.read("|echo foo"))
- assert_raise(Errno::ENOENT, Errno::EINVAL) do
- File.read("|#{EnvUtil.rubybin} -e puts")
- end
- assert_raise(Errno::ENOENT, Errno::EINVAL) do
- File.binread("|#{EnvUtil.rubybin} -e puts")
- end
- assert_raise(Errno::ENOENT, Errno::EINVAL) do
- Class.new(IO).read("|#{EnvUtil.rubybin} -e puts")
- end
- assert_raise(Errno::ENOENT, Errno::EINVAL) do
- Class.new(IO).binread("|#{EnvUtil.rubybin} -e puts")
- end
- assert_raise(Errno::ESPIPE) do
- IO.read("|echo foo", 1, 1)
- end
- end
- def test_reopen
- make_tempfile {|t|
- open(__FILE__) do |f|
- f.gets
- assert_nothing_raised {
- f.reopen(t.path)
- assert_equal("foo\n", f.gets)
- }
- end
- open(__FILE__) do |f|
- f.gets
- f2 = open(t.path)
- begin
- f2.gets
- assert_nothing_raised {
- f.reopen(f2)
- assert_equal("bar\n", f.gets, '[ruby-core:24240]')
- }
- ensure
- f2.close
- end
- end
- open(__FILE__) do |f|
- f2 = open(t.path)
- begin
- f.reopen(f2)
- assert_equal("foo\n", f.gets)
- assert_equal("bar\n", f.gets)
- f.reopen(f2)
- assert_equal("baz\n", f.gets, '[ruby-dev:39479]')
- ensure
- f2.close
- end
- end
- }
- end
- def test_reopen_inherit
- mkcdtmpdir {
- system(EnvUtil.rubybin, '-e', <<-"End")
- f = open("out", "w")
- STDOUT.reopen(f)
- STDERR.reopen(f)
- system(#{EnvUtil.rubybin.dump}, '-e', 'STDOUT.print "out"')
- system(#{EnvUtil.rubybin.dump}, '-e', 'STDERR.print "err"')
- End
- assert_equal("outerr", File.read("out"))
- }
- end
- def test_reopen_stdio
- mkcdtmpdir {
- fname = 'bug11319'
- File.write(fname, 'hello')
- system(EnvUtil.rubybin, '-e', "STDOUT.reopen('#{fname}', 'w+')")
- assert_equal('', File.read(fname))
- }
- end
- def test_reopen_mode
- feature7067 = '[ruby-core:47694]'
- make_tempfile {|t|
- open(__FILE__) do |f|
- assert_nothing_raised {
- f.reopen(t.path, "r")
- assert_equal("foo\n", f.gets)
- }
- end
- open(__FILE__) do |f|
- assert_nothing_raised(feature7067) {
- f.reopen(t.path, File::RDONLY)
- assert_equal("foo\n", f.gets)
- }
- end
- }
- end
- def test_reopen_opt
- feature7103 = '[ruby-core:47806]'
- make_tempfile {|t|
- open(__FILE__) do |f|
- assert_nothing_raised(feature7103) {
- f.reopen(t.path, "r", binmode: true)
- }
- assert_equal("foo\n", f.gets)
- end
- open(__FILE__) do |f|
- assert_nothing_raised(feature7103) {
- f.reopen(t.path, autoclose: false)
- }
- assert_equal("foo\n", f.gets)
- end
- }
- end
- def make_tempfile_for_encoding
- t = make_tempfile
- open(t.path, "rb+:utf-8") {|f| f.puts "\u7d05\u7389bar\n"}
- if block_given?
- yield t
- else
- t
- end
- ensure
- t&.close(true) if block_given?
- end
- def test_reopen_encoding
- make_tempfile_for_encoding {|t|
- open(__FILE__) {|f|
- f.reopen(t.path, "r:utf-8")
- s = f.gets
- assert_equal(Encoding::UTF_8, s.encoding)
- assert_equal("\u7d05\u7389bar\n", s)
- }
- open(__FILE__) {|f|
- f.reopen(t.path, "r:UTF-8:EUC-JP")
- s = f.gets
- assert_equal(Encoding::EUC_JP, s.encoding)
- assert_equal("\xB9\xC8\xB6\xCCbar\n".force_encoding(Encoding::EUC_JP), s)
- }
- }
- end
- def test_reopen_opt_encoding
- feature7103 = '[ruby-core:47806]'
- make_tempfile_for_encoding {|t|
- open(__FILE__) {|f|
- assert_nothing_raised(feature7103) {f.reopen(t.path, encoding: "ASCII-8BIT")}
- s = f.gets
- assert_equal(Encoding::ASCII_8BIT, s.encoding)
- assert_equal("\xe7\xb4\x85\xe7\x8e\x89bar\n", s)
- }
- open(__FILE__) {|f|
- assert_nothing_raised(feature7103) {f.reopen(t.path, encoding: "UTF-8:EUC-JP")}
- s = f.gets
- assert_equal(Encoding::EUC_JP, s.encoding)
- assert_equal("\xB9\xC8\xB6\xCCbar\n".force_encoding(Encoding::EUC_JP), s)
- }
- }
- end
- bug11320 = '[ruby-core:69780] [Bug #11320]'
- ["UTF-8", "EUC-JP", "Shift_JIS"].each do |enc|
- define_method("test_reopen_nonascii(#{enc})") do
- mkcdtmpdir do
- fname = "\u{30eb 30d3 30fc}".encode(enc)
- File.write(fname, '')
- assert_file.exist?(fname)
- stdin = $stdin.dup
- begin
- assert_nothing_raised(Errno::ENOENT, "#{bug11320}: #{enc}") {
- $stdin.reopen(fname, 'r')
- }
- ensure
- $stdin.reopen(stdin)
- stdin.close
- end
- end
- end
- end
- def test_foreach
- a = []
- IO.foreach("|" + EnvUtil.rubybin + " -e 'puts :foo; puts :bar; puts :baz'") {|x| a << x }
- assert_equal(["foo\n", "bar\n", "baz\n"], a)
- a = []
- IO.foreach("|" + EnvUtil.rubybin + " -e 'puts :zot'", :open_args => ["r"]) {|x| a << x }
- assert_equal(["zot\n"], a)
- make_tempfile {|t|
- a = []
- IO.foreach(t.path) {|x| a << x }
- assert_equal(["foo\n", "bar\n", "baz\n"], a)
- a = []
- IO.foreach(t.path, :mode => "r") {|x| a << x }
- assert_equal(["foo\n", "bar\n", "baz\n"], a)
- a = []
- IO.foreach(t.path, :open_args => []) {|x| a << x }
- assert_equal(["foo\n", "bar\n", "baz\n"], a)
- a = []
- IO.foreach(t.path, :open_args => ["r"]) {|x| a << x }
- assert_equal(["foo\n", "bar\n", "baz\n"], a)
- a = []
- IO.foreach(t.path, "b") {|x| a << x }
- assert_equal(["foo\nb", "ar\nb", "az\n"], a)
- a = []
- IO.foreach(t.path, 3) {|x| a << x }
- assert_equal(["foo", "\n", "bar", "\n", "baz", "\n"], a)
- a = []
- IO.foreach(t.path, "b", 3) {|x| a << x }
- assert_equal(["foo", "\nb", "ar\n", "b", "az\n"], a)
- bug = '[ruby-dev:31525]'
- assert_raise(ArgumentError, bug) {IO.foreach}
- a = nil
- assert_nothing_raised(ArgumentError, bug) {a = IO.foreach(t.path).to_a}
- assert_equal(["foo\n", "bar\n", "baz\n"], a, bug)
- bug6054 = '[ruby-dev:45267]'
- assert_raise_with_message(IOError, /not opened for reading/, bug6054) do
- IO.foreach(t.path, mode:"w").next
- end
- }
- end
- def test_s_readlines
- make_tempfile {|t|
- assert_equal(["foo\n", "bar\n", "baz\n"], IO.readlines(t.path))
- assert_equal(["foo\nb", "ar\nb", "az\n"], IO.readlines(t.path, "b"))
- assert_equal(["fo", "o\n", "ba", "r\n", "ba", "z\n"], IO.readlines(t.path, 2))
- assert_equal(["fo", "o\n", "b", "ar", "\nb", "az", "\n"], IO.readlines(t.path, "b", 2))
- }
- end
- def test_printf
- pipe(proc do |w|
- printf(w, "foo %s baz\n", "bar")
- w.close_write
- end, proc do |r|
- assert_equal("foo bar baz\n", r.read)
- end)
- end
- def test_print
- make_tempfile {|t|
- assert_in_out_err(["-", t.path],
- "print while $<.gets",
- %w(foo bar baz), [])
- }
- end
- def test_print_separators
- EnvUtil.suppress_warning {
- $, = ':'
- $\ = "\n"
- }
- pipe(proc do |w|
- w.print('a')
- EnvUtil.suppress_warning {w.print('a','b','c')}
- w.close
- end, proc do |r|
- assert_equal("a\n", r.gets)
- assert_equal("a:b:c\n", r.gets)
- assert_nil r.gets
- r.close
- end)
- ensure
- $, = nil
- $\ = nil
- end
- def test_putc
- pipe(proc do |w|
- w.putc "A"
- w.putc "BC"
- w.putc 68
- w.close_write
- end, proc do |r|
- assert_equal("ABD", r.read)
- end)
- assert_in_out_err([], "putc 65", %w(A), [])
- end
- def test_puts_recursive_array
- a = ["foo"]
- a << a
- pipe(proc do |w|
- w.puts a
- w.close
- end, proc do |r|
- assert_equal("foo\n[...]\n", r.read)
- end)
- end
- def test_puts_parallel
- skip "not portable"
- pipe(proc do |w|
- threads = []
- 100.times do
- threads << Thread.new { w.puts "hey" }
- end
- threads.each(&:join)
- w.close
- end, proc do |r|
- assert_equal("hey\n" * 100, r.read)
- end)
- end
- def test_puts_old_write
- capture = String.new
- def capture.write(str)
- self << str
- end
- capture.clear
- assert_warning(/[.#]write is outdated/) do
- stdout, $stdout = $stdout, capture
- puts "hey"
- ensure
- $stdout = stdout
- end
- assert_equal("hey\n", capture)
- end
- def test_display
- pipe(proc do |w|
- "foo".display(w)
- w.close
- end, proc do |r|
- assert_equal("foo", r.read)
- end)
- assert_in_out_err([], "'foo'.display", %w(foo), [])
- end
- def test_set_stdout
- assert_raise(TypeError) { $> = Object.new }
- assert_in_out_err([], "$> = $stderr\nputs 'foo'", [], %w(foo))
- assert_separately(%w[-Eutf-8], "#{<<~"begin;"}\n#{<<~"end;"}")
- begin;
- alias $\u{6a19 6e96 51fa 529b} $stdout
- x = eval("class X\u{307b 3052}; self; end".encode("euc-jp"))
- assert_raise_with_message(TypeError, /\\$\u{6a19 6e96 51fa 529b} must.*, X\u{307b 3052} given/) do
- $\u{6a19 6e96 51fa 529b} = x.new
- end
- end;
- end
- def test_initialize
- return unless defined?(Fcntl::F_GETFL)
- make_tempfile {|t|
- fd = IO.sysopen(t.path, "w")
- assert_kind_of(Integer, fd)
- %w[r r+ w+ a+].each do |mode|
- assert_raise(Errno::EINVAL, "#{mode} [ruby-dev:38571]") {IO.new(fd, mode)}
- end
- f = IO.new(fd, "w")
- f.write("FOO\n")
- f.close
- assert_equal("FOO\n", File.read(t.path))
- }
- end
- def test_reinitialize
- make_tempfile {|t|
- f = open(t.path)
- begin
- assert_raise(RuntimeError) do
- f.instance_eval { initialize }
- end
- ensure
- f.close
- end
- }
- end
- def test_new_with_block
- assert_in_out_err([], "r, w = IO.pipe; r.autoclose=false; IO.new(r.fileno) {}.close", [], /^.+$/)
- n = "IO\u{5165 51fa 529b}"
- c = eval("class #{n} < IO; self; end")
- IO.pipe do |r, w|
- assert_warning(/#{n}/) {
- r.autoclose=false
- io = c.new(r.fileno) {}
- io.close
- }
- end
- end
- def test_readline2
- assert_in_out_err(["-e", <<-SRC], "foo\nbar\nbaz\n", %w(foo bar baz end), [])
- puts readline
- puts readline
- puts readline
- begin
- puts readline
- rescue EOFError
- puts "end"
- end
- SRC
- end
- def test_readlines
- assert_in_out_err(["-e", "p readlines"], "foo\nbar\nbaz\n",
- ["[\"foo\\n\", \"bar\\n\", \"baz\\n\"]"], [])
- end
- def test_s_read
- make_tempfile {|t|
- assert_equal("foo\nbar\nbaz\n", File.read(t.path))
- assert_equal("foo\nba", File.read(t.path, 6))
- assert_equal("bar\n", File.read(t.path, 4, 4))
- }
- end
- def test_uninitialized
- assert_raise(IOError) { IO.allocate.print "" }
- end
- def test_nofollow
- # O_NOFOLLOW is not standard.
- mkcdtmpdir {
- open("file", "w") {|f| f << "content" }
- begin
- File.symlink("file", "slnk")
- rescue NotImplementedError
- return
- end
- assert_raise(Errno::EMLINK, Errno::ELOOP) {
- open("slnk", File::RDONLY|File::NOFOLLOW) {}
- }
- assert_raise(Errno::EMLINK, Errno::ELOOP) {
- File.foreach("slnk", :open_args=>[File::RDONLY|File::NOFOLLOW]) {}
- }
- }
- end if /freebsd|linux/ =~ RUBY_PLATFORM and defined? File::NOFOLLOW
- def test_binmode_after_closed
- make_tempfile {|t|
- assert_raise(IOError) {t.binmode}
- }
- end
- def test_DATA_binmode
- assert_separately([], <<-SRC)
- assert_not_predicate(DATA, :binmode?)
- __END__
- SRC
- end
- def test_threaded_flush
- bug3585 = '[ruby-core:31348]'
- src = "#{<<~"begin;"}\n#{<<~'end;'}"
- begin;
- t = Thread.new { sleep 3 }
- Thread.new {sleep 1; t.kill; p 'hi!'}
- t.join
- end;
- 10.times.map do
- Thread.start do
- assert_in_out_err([], src, timeout: 20) {|stdout, stderr|
- assert_no_match(/hi.*hi/, stderr.join, bug3585)
- }
- end
- end.each {|th| th.join}
- end
- def test_flush_in_finalizer1
- bug3910 = '[ruby-dev:42341]'
- tmp = Tempfile.open("bug3910") {|t|
- path = t.path
- t.close
- fds = []
- assert_nothing_raised(TypeError, bug3910) do
- 500.times {
- f = File.open(path, "w")
- f.instance_variable_set(:@test_flush_in_finalizer1, true)
- fds << f.fileno
- f.print "hoge"
- }
- end
- t
- }
- ensure
- ObjectSpace.each_object(File) {|f|
- if f.instance_variables.include?(:@test_flush_in_finalizer1)
- f.close
- end
- }
- tmp.close!
- end
- def test_flush_in_finalizer2
- bug3910 = '[ruby-dev:42341]'
- Tempfile.open("bug3910") {|t|
- path = t.path
- t.close
- begin
- 1.times do
- io = open(path,"w")
- io.instance_variable_set(:@test_flush_in_finalizer2, true)
- io.print "hoge"
- end
- assert_nothing_raised(TypeError, bug3910) do
- GC.start
- end
- ensure
- ObjectSpace.each_object(File) {|f|
- if f.instance_variables.include?(:@test_flush_in_finalizer2)
- f.close
- end
- }
- end
- t.close!
- }
- end
- def test_readlines_limit_0
- bug4024 = '[ruby-dev:42538]'
- make_tempfile {|t|
- open(t.path, "r") do |io|
- assert_raise(ArgumentError, bug4024) do
- io.readlines(0)
- end
- end
- }
- end
- def test_each_line_limit_0
- bug4024 = '[ruby-dev:42538]'
- make_tempfile {|t|
- open(t.path, "r") do |io|
- assert_raise(ArgumentError, bug4024) do
- io.each_line(0).next
- end
- end
- }
- end
- def os_and_fs(path)
- uname = Etc.uname
- os = "#{uname[:sysname]} #{uname[:release]}"
- fs = nil
- if uname[:sysname] == 'Linux'
- # [ruby-dev:45703] Old Linux's fadvise() doesn't work on tmpfs.
- mount = `mount`
- mountpoints = []
- mount.scan(/ on (\S+) type (\S+) /) {
- mountpoints << [$1, $2]
- }
- mountpoints.sort_by {|mountpoint, fstype| mountpoint.length }.reverse_each {|mountpoint, fstype|
- if path == mountpoint
- fs = fstype
- break
- end
- mountpoint += "/" if %r{/\z} !~ mountpoint
- if path.start_with?(mountpoint)
- fs = fstype
- break
- end
- }
- end
- if fs
- "#{fs} on #{os}"
- else
- os
- end
- end
- def test_advise
- make_tempfile {|tf|
- assert_raise(ArgumentError, "no arguments") { tf.advise }
- %w{normal random sequential willneed dontneed noreuse}.map(&:to_sym).each do |adv|
- [[0,0], [0, 20], [400, 2]].each do |offset, len|
- open(tf.path) do |t|
- ret = assert_nothing_raised(lambda { os_and_fs(tf.path) }) {
- begin
- t.advise(adv, offset, len)
- rescue Errno::EINVAL => e
- if /linux/ =~ RUBY_PLATFORM && (Etc.uname[:release].split('.').map(&:to_i) <=> [3,6]) < 0
- next # [ruby-core:65355] tmpfs is not supported
- else
- raise e
- end
- end
- }
- assert_nil(ret)
- assert_raise(ArgumentError, "superfluous arguments") do
- t.advise(adv, offset, len, offset)
- end
- assert_raise(TypeError, "wrong type for first argument") do
- t.advise(adv.to_s, offset, len)
- end
- assert_raise(TypeError, "wrong type for last argument") do
- t.advise(adv, offset, Array(len))
- end
- assert_raise(RangeError, "last argument too big") do
- t.advise(adv, offset, 9999e99)
- end
- end
- assert_raise(IOError, "closed file") do
- make_tempfile {|tf2|
- tf2.advise(adv.to_sym, offset, len)
- }
- end
- end
- end
- }
- end
- def test_invalid_advise
- feature4204 = '[ruby-dev:42887]'
- make_tempfile {|tf|
- %W{Normal rand glark will_need zzzzzzzzzzzz \u2609}.map(&:to_sym).each do |adv|
- [[0,0], [0, 20], [400, 2]].each do |offset, len|
- open(tf.path) do |t|
- assert_raise_with_message(NotImplementedError, /#{Regexp.quote(adv.inspect)}/, feature4204) { t.advise(adv, offset, len) }
- end
- end
- end
- }
- end
- def test_fcntl_lock_linux
- pad = 0
- Tempfile.create(self.class.name) do |f|
- r, w = IO.pipe
- pid = fork do
- r.close
- lock = [Fcntl::F_WRLCK, IO::SEEK_SET, pad, 12, 34, 0].pack("s!s!i!L!L!i!")
- f.fcntl Fcntl::F_SETLKW, lock
- w.syswrite "."
- sleep
- end
- w.close
- assert_equal ".", r.read(1)
- r.close
- pad = 0
- getlock = [Fcntl::F_WRLCK, 0, pad, 0, 0, 0].pack("s!s!i!L!L!i!")
- f.fcntl Fcntl::F_GETLK, getlock
- ptype, whence, pad, start, len, lockpid = getlock.unpack("s!s!i!L!L!i!")
- assert_equal(ptype, Fcntl::F_WRLCK)
- assert_equal(whence, IO::SEEK_SET)
- assert_equal(start, 12)
- assert_equal(len, 34)
- assert_equal(pid, lockpid)
- Process.kill :TERM, pid
- Process.waitpid2(pid)
- end
- end if /x86_64-linux/ =~ RUBY_PLATFORM and # A binary form of struct flock depend on platform
- [nil].pack("p").bytesize == 8 # unless x32 platform.
- def test_fcntl_lock_freebsd
- start = 12
- len = 34
- sysid = 0
- Tempfile.create(self.class.name) do |f|
- r, w = IO.pipe
- pid = fork do
- r.close
- lock = [start, len, 0, Fcntl::F_WRLCK, IO::SEEK_SET, sysid].pack("qqis!s!i!")
- f.fcntl Fcntl::F_SETLKW, lock
- w.syswrite "."
- sleep
- end
- w.close
- assert_equal ".", r.read(1)
- r.close
- getlock = [0, 0, 0, Fcntl::F_WRLCK, 0, 0].pack("qqis!s!i!")
- f.fcntl Fcntl::F_GETLK, getlock
- start, len, lockpid, ptype, whence, sysid = getlock.unpack("qqis!s!i!")
- assert_equal(ptype, Fcntl::F_WRLCK)
- assert_equal(whence, IO::SEEK_SET)
- assert_equal(start, 12)
- assert_equal(len, 34)
- assert_equal(pid, lockpid)
- Process.kill :TERM, pid
- Process.waitpid2(pid)
- end
- end if /freebsd/ =~ RUBY_PLATFORM # A binary form of struct flock depend on platform
- def test_fcntl_dupfd
- Tempfile.create(self.class.name) do |f|
- fd = f.fcntl(Fcntl::F_DUPFD, 63)
- begin
- assert_operator(fd, :>=, 63)
- ensure
- IO.for_fd(fd).close
- end
- end
- end
- def test_cross_thread_close_fd
- with_pipe do |r,w|
- read_thread = Thread.new do
- begin
- r.read(1)
- rescue => e
- e
- end
- end
- sleep(0.1) until read_thread.stop?
- r.close
- read_thread.join
- assert_kind_of(IOError, read_thread.value)
- end
- end
- def test_cross_thread_close_stdio
- assert_separately([], <<-'end;')
- IO.pipe do |r,w|
- $stdin.reopen(r)
- r.close
- read_thread = Thread.new do
- begin
- $stdin.read(1)
- rescue IOError => e
- e
- end
- end
- sleep(0.1) until read_thread.stop?
- $stdin.close
- assert_kind_of(IOError, read_thread.value)
- end
- end;
- end
- def test_single_exception_on_close
- a = []
- t = []
- 10.times do
- r, w = IO.pipe
- a << [r, w]
- t << Thread.new do
- while r.gets
- end rescue IOError
- Thread.current.pending_interrupt?
- end
- end
- a.each do |r, w|
- w.write(-"\n")
- w.close
- r.close
- end
- t.each do |th|
- assert_equal false, th.value, '[ruby-core:81581] [Bug #13632]'
- end
- end
- def test_open_mode
- feature4742 = "[ruby-core:36338]"
- bug6055 = '[ruby-dev:45268]'
- mkcdtmpdir do
- assert_not_nil(f = File.open('symbolic', 'w'))
- f.close
- assert_not_nil(f = File.open('numeric', File::WRONLY|File::TRUNC|File::CREAT))
- f.close
- assert_not_nil(f = File.open('hash-symbolic', :mode => 'w'))
- f.close
- assert_not_nil(f = File.open('hash-numeric', :mode => File::WRONLY|File::TRUNC|File::CREAT), feature4742)
- f.close
- assert_nothing_raised(bug6055) {f = File.open('hash-symbolic', binmode: true)}
- f.close
- end
- end
- def test_s_write
- mkcdtmpdir do
- path = "test_s_write"
- File.write(path, "foo\nbar\nbaz")
- assert_equal("foo\nbar\nbaz", File.read(path))
- File.write(path, "FOO", 0)
- assert_equal("FOO\nbar\nbaz", File.read(path))
- File.write(path, "BAR")
- assert_equal("BAR", File.read(path))
- File.write(path, "\u{3042}", mode: "w", encoding: "EUC-JP")
- assert_equal("\u{3042}".encode("EUC-JP"), File.read(path, encoding: "EUC-JP"))
- File.delete path
- assert_equal(6, File.write(path, 'string', 2))
- File.delete path
- assert_raise(Errno::EINVAL) { File.write('nonexisting','string', -2) }
- assert_equal(6, File.write(path, 'string'))
- assert_equal(3, File.write(path, 'sub', 1))
- assert_equal("ssubng", File.read(path))
- File.delete path
- assert_equal(3, File.write(path, "foo", encoding: "UTF-8"))
- File.delete path
- assert_equal(3, File.write(path, "foo", 0, encoding: "UTF-8"))
- assert_equal("foo", File.read(path))
- assert_equal(1, File.write(path, "f", 1, encoding: "UTF-8"))
- assert_equal("ffo", File.read(path))
- File.delete path
- assert_equal(1, File.write(path, "f", 1, encoding: "UTF-8"))
- assert_equal("\00f", File.read(path))
- assert_equal(1, File.write(path, "f", 0, encoding: "UTF-8"))
- assert_equal("ff", File.read(path))
- File.write(path, "foo", Object.new => Object.new)
- assert_equal("foo", File.read(path))
- end
- end
- def test_s_binread_does_not_leak_with_invalid_offset
- assert_raise(Errno::EINVAL) { IO.binread(__FILE__, 0, -1) }
- end
- def test_s_binwrite
- mkcdtmpdir do
- path = "test_s_binwrite"
- File.binwrite(path, "foo\nbar\nbaz")
- assert_equal("foo\nbar\nbaz", File.read(path))
- File.binwrite(path, "FOO", 0)
- assert_equal("FOO\nbar\nbaz", File.read(path))
- File.binwrite(path, "BAR")
- assert_equal("BAR", File.read(path))
- File.binwrite(path, "\u{3042}")
- assert_equal("\u{3042}".force_encoding("ASCII-8BIT"), File.binread(path))
- File.delete path
- assert_equal(6, File.binwrite(path, 'string', 2))
- File.delete path
- assert_equal(6, File.binwrite(path, 'string'))
- assert_equal(3, File.binwrite(path, 'sub', 1))
- assert_equal("ssubng", File.binread(path))
- assert_equal(6, File.size(path))
- assert_raise(Errno::EINVAL) { File.binwrite('nonexisting', 'string', -2) }
- assert_nothing_raised(TypeError) { File.binwrite(path, "string", mode: "w", encoding: "EUC-JP") }
- end
- end
- def test_race_between_read
- Tempfile.create("test") {|file|
- begin
- path = file.path
- file.close
- write_file = File.open(path, "wt")
- read_file = File.open(path, "rt")
- threads = []
- 10.times do |i|
- threads << Thread.new {write_file.print(i)}
- threads << Thread.new {read_file.read}
- end
- assert_join_threads(threads)
- assert(true, "[ruby-core:37197]")
- ensure
- read_file.close
- write_file.close
- end
- }
- end
- def test_warn
- assert_warning "warning\n" do
- warn "warning"
- end
- assert_warning '' do
- warn
- end
- assert_warning "[Feature #5029]\n[ruby-core:38070]\n" do
- warn "[Feature #5029]", "[ruby-core:38070]"
- end
- end
- def test_cloexec
- return unless defined? Fcntl::FD_CLOEXEC
- open(__FILE__) {|f|
- assert_predicate(f, :close_on_exec?)
- g = f.dup
- begin
- assert_predicate(g, :close_on_exec?)
- f.reopen(g)
- assert_predicate(f, :close_on_exec?)
- ensure
- g.close
- end
- g = IO.new(f.fcntl(Fcntl::F_DUPFD))
- begin
- assert_predicate(g, :close_on_exec?)
- ensure
- g.close
- end
- }
- IO.pipe {|r,w|
- assert_predicate(r, :close_on_exec?)
- assert_predicate(w, :close_on_exec?)
- }
- end
- def test_ioctl_linux
- # Alpha, mips, sparc and ppc have an another ioctl request number scheme.
- # So, hardcoded 0x80045200 may fail.
- assert_nothing_raised do
- File.open('/dev/urandom'){|f1|
- entropy_count = ""
- # RNDGETENTCNT(0x80045200) mean "get entropy count".
- f1.ioctl(0x80045200, entropy_count)
- }
- end
- buf = ''
- assert_nothing_raised do
- fionread = 0x541B
- File.open(__FILE__){|f1|
- f1.ioctl(fionread, buf)
- }
- end
- assert_equal(File.size(__FILE__), buf.unpack('i!')[0])
- end if /^(?:i.?86|x86_64)-linux/ =~ RUBY_PLATFORM
- def test_ioctl_linux2
- return unless STDIN.tty? # stdin is not a terminal
- begin
- f = File.open('/dev/tty')
- rescue Errno::ENOENT, Errno::ENXIO => e
- skip e.message
- else
- tiocgwinsz=0x5413
- winsize=""
- assert_nothing_raised {
- f.ioctl(tiocgwinsz, winsize)
- }
- ensure
- f&.close
- end
- end if /^(?:i.?86|x86_64)-linux/ =~ RUBY_PLATFORM
- def test_setpos
- mkcdtmpdir {
- File.open("tmp.txt", "wb") {|f|
- f.puts "a"
- f.puts "bc"
- f.puts "def"
- }
- pos1 = pos2 = pos3 = nil
- File.open("tmp.txt", "rb") {|f|
- assert_equal("a\n", f.gets)
- pos1 = f.pos
- assert_equal("bc\n", f.gets)
- pos2 = f.pos
- assert_equal("def\n", f.gets)
- pos3 = f.pos
- assert_equal(nil, f.gets)
- }
- File.open("tmp.txt", "rb") {|f|
- f.pos = pos1
- assert_equal("bc\n", f.gets)
- assert_equal("def\n", f.gets)
- assert_equal(nil, f.gets)
- }
- File.open("tmp.txt", "rb") {|f|
- f.pos = pos2
- assert_equal("def\n", f.gets)
- assert_equal(nil, f.gets)
- }
- File.open("tmp.txt", "rb") {|f|
- f.pos = pos3
- assert_equal(nil, f.gets)
- }
- File.open("tmp.txt", "rb") {|f|
- f.pos = File.size("tmp.txt")
- s = "not empty string "
- assert_equal("", f.read(0,s))
- }
- }
- end
- def test_std_fileno
- assert_equal(0, STDIN.fileno)
- assert_equal(1, STDOUT.fileno)
- assert_equal(2, STDERR.fileno)
- assert_equal(0, $stdin.fileno)
- assert_equal(1, $stdout.fileno)
- assert_equal(2, $stderr.fileno)
- end
- def test_frozen_fileno
- bug9865 = '[ruby-dev:48241] [Bug #9865]'
- with_pipe do |r,w|
- fd = r.fileno
- assert_equal(fd, r.freeze.fileno, bug9865)
- end
- end
- def test_frozen_autoclose
- with_pipe do |r,w|
- assert_equal(true, r.freeze.autoclose?)
- end
- end
- def test_sysread_locktmp
- bug6099 = '[ruby-dev:45297]'
- buf = " " * 100
- data = "a" * 100
- with_pipe do |r,w|
- th = Thread.new {r.sysread(100, buf)}
- Thread.pass until th.stop?
- buf.replace("")
- assert_empty(buf, bug6099)
- w.write(data)
- Thread.pass while th.alive?
- th.join
- end
- assert_equal(data, buf, bug6099)
- end
- def test_readpartial_locktmp
- bug6099 = '[ruby-dev:45297]'
- buf = " " * 100
- data = "a" * 100
- th = nil
- with_pipe do |r,w|
- r.nonblock = true
- th = Thread.new {r.readpartial(100, buf)}
- Thread.pass until th.stop?
- assert_equal 100, buf.bytesize
- msg = /can't modify string; temporarily locked/
- assert_raise_with_message(RuntimeError, msg) do
- buf.replace("")
- end
- assert_predicate(th, :alive?)
- w.write(data)
- th.join
- end
- assert_equal(data, buf, bug6099)
- end
- def test_advise_pipe
- # we don't know if other platforms have a real posix_fadvise()
- with_pipe do |r,w|
- # Linux 2.6.15 and earlier returned EINVAL instead of ESPIPE
- assert_raise(Errno::ESPIPE, Errno::EINVAL) {
- r.advise(:willneed) or skip "fadvise(2) is not implemented"
- }
- assert_raise(Errno::ESPIPE, Errno::EINVAL) {
- w.advise(:willneed) or skip "fadvise(2) is not implemented"
- }
- end
- end if /linux/ =~ RUBY_PLATFORM
- def assert_buffer_not_raise_shared_string_error
- bug6764 = '[ruby-core:46586]'
- bug9847 = '[ruby-core:62643] [Bug #9847]'
- size = 28
- data = [*"a".."z", *"A".."Z"].shuffle.join("")
- t = Tempfile.new("test_io")
- t.write(data)
- t.close
- w = []
- assert_nothing_raised(RuntimeError, bug6764) do
- buf = ''
- File.open(t.path, "r") do |r|
- while yield(r, size, buf)
- w << buf.dup
- end
- end
- end
- assert_equal(data, w.join(""), bug9847)
- ensure
- t.close!
- end
- def test_read_buffer_not_raise_shared_string_error
- assert_buffer_not_raise_shared_string_error do |r, size, buf|
- r.read(size, buf)
- end
- end
- def test_sysread_buffer_not_raise_shared_string_error
- assert_buffer_not_raise_shared_string_error do |r, size, buf|
- begin
- r.sysread(size, buf)
- rescue EOFError
- nil
- end
- end
- end
- def test_readpartial_buffer_not_raise_shared_string_error
- assert_buffer_not_raise_shared_string_error do |r, size, buf|
- begin
- r.readpartial(size, buf)
- rescue EOFError
- nil
- end
- end
- end
- def test_puts_recursive_ary
- bug5986 = '[ruby-core:42444]'
- c = Class.new {
- def to_ary
- [self]
- end
- }
- s = StringIO.new
- s.puts(c.new)
- assert_equal("[...]\n", s.string, bug5986)
- end
- def test_io_select_with_many_files
- bug8080 = '[ruby-core:53349]'
- assert_normal_exit %q{
- require "tempfile"
- # Unfortunately, ruby doesn't export FD_SETSIZE. then we assume it's 1024.
- fd_setsize = 1024
- # try to raise RLIM_NOFILE to >FD_SETSIZE
- begin
- Process.setrlimit(Process::RLIMIT_NOFILE, fd_setsize+20)
- rescue Errno::EPERM
- exit 0
- end
- tempfiles = []
- (0..fd_setsize+1).map {|i|
- tempfiles << Tempfile.open("test_io_select_with_many_files")
- }
- IO.select(tempfiles)
- }, bug8080, timeout: 100
- end if defined?(Process::RLIMIT_NOFILE)
- def test_read_32bit_boundary
- bug8431 = '[ruby-core:55098] [Bug #8431]'
- make_tempfile {|t|
- assert_separately(["-", bug8431, t.path], <<-"end;")
- msg = ARGV.shift
- f = open(ARGV[0], "rb")
- f.seek(0xffff_ffff)
- assert_nil(f.read(1), msg)
- end;
- }
- end if /mswin|mingw/ =~ RUBY_PLATFORM
- def test_write_32bit_boundary
- bug8431 = '[ruby-core:55098] [Bug #8431]'
- make_tempfile {|t|
- def t.close(unlink_now = false)
- # TODO: Tempfile should deal with this delay on Windows?
- # NOTE: re-opening with O_TEMPORARY does not work.
- path = self.path
- ret = super
- if unlink_now
- begin
- File.unlink(path)
- rescue Errno::ENOENT
- rescue Errno::EACCES
- sleep(2)
- retry
- end
- end
- ret
- end
- begin
- assert_separately(["-", bug8431, t.path], <<-"end;", timeout: 30)
- msg = ARGV.shift
- f = open(ARGV[0], "wb")
- f.seek(0xffff_ffff)
- begin
- # this will consume very long time or fail by ENOSPC on a
- # filesystem which sparse file is not supported
- f.write('1')
- pos = f.tell
- rescue Errno::ENOSPC
- skip "non-sparse file system"
- rescue SystemCallError
- else
- assert_equal(0x1_0000_0000, pos, msg)
- end
- end;
- rescue Timeout::Error
- skip "Timeout because of slow file writing"
- end
- }
- end if /mswin|mingw/ =~ RUBY_PLATFORM
- def test_read_unlocktmp_ensure
- bug8669 = '[ruby-core:56121] [Bug #8669]'
- str = ""
- IO.pipe {|r,|
- t = Thread.new {
- assert_raise(RuntimeError) {
- r.read(nil, str)
- }
- }
- sleep 0.1 until t.stop?
- t.raise
- sleep 0.1 while t.alive?
- assert_nothing_raised(RuntimeError, bug8669) { str.clear }
- t.join
- }
- end if /cygwin/ !~ RUBY_PLATFORM
- def test_readpartial_unlocktmp_ensure
- bug8669 = '[ruby-core:56121] [Bug #8669]'
- str = ""
- IO.pipe {|r, w|
- t = Thread.new {
- assert_raise(RuntimeError) {
- r.readpartial(4096, str)
- }
- }
- sleep 0.1 until t.stop?
- t.raise
- sleep 0.1 while t.alive?
- assert_nothing_raised(RuntimeError, bug8669) { str.clear }
- t.join
- }
- end if /cygwin/ !~ RUBY_PLATFORM
- def test_readpartial_bad_args
- IO.pipe do |r, w|
- w.write '.'
- buf = String.new
- assert_raise(ArgumentError) { r.readpartial(1, buf, exception: false) }
- assert_raise(TypeError) { r.readpartial(1, exception: false) }
- assert_equal [[r],[],[]], IO.select([r], nil, nil, 1)
- assert_equal '.', r.readpartial(1)
- end
- end
- def test_sysread_unlocktmp_ensure
- bug8669 = '[ruby-core:56121] [Bug #8669]'
- str = ""
- IO.pipe {|r, w|
- t = Thread.new {
- assert_raise(RuntimeError) {
- r.sysread(4096, str)
- }
- }
- sleep 0.1 until t.stop?
- t.raise
- sleep 0.1 while t.alive?
- assert_nothing_raised(RuntimeError, bug8669) { str.clear }
- t.join
- }
- end if /cygwin/ !~ RUBY_PLATFORM
- def test_exception_at_close
- bug10153 = '[ruby-core:64463] [Bug #10153] exception in close at the end of block'
- assert_raise(Errno::EBADF, bug10153) do
- IO.pipe do |r, w|
- assert_nothing_raised {IO.open(w.fileno) {}}
- end
- end
- end
- def test_close_twice
- open(__FILE__) {|f|
- assert_equal(nil, f.close)
- assert_equal(nil, f.close)
- }
- end
- def test_close_uninitialized
- io = IO.allocate
- assert_raise(IOError) { io.close }
- end
- def test_open_fifo_does_not_block_other_threads
- mkcdtmpdir {
- File.mkfifo("fifo")
- assert_separately([], <<-'EOS')
- t1 = Thread.new {
- open("fifo", "r") {|r|
- r.read
- }
- }
- t2 = Thread.new {
- open("fifo", "w") {|w|
- w.write "foo"
- }
- }
- t1_value, _ = assert_join_threads([t1, t2])
- assert_equal("foo", t1_value)
- EOS
- }
- end if /mswin|mingw|bccwin|cygwin/ !~ RUBY_PLATFORM
- def test_open_flag
- make_tempfile do |t|
- assert_raise(Errno::EEXIST){ open(t.path, File::WRONLY|File::CREAT, flags: File::EXCL){} }
- assert_raise(Errno::EEXIST){ open(t.path, 'w', flags: File::EXCL){} }
- assert_raise(Errno::EEXIST){ open(t.path, mode: 'w', flags: File::EXCL){} }
- end
- end
- def test_open_flag_binary
- binary_enc = Encoding.find("BINARY")
- make_tempfile do |t|
- open(t.path, File::RDONLY, flags: File::BINARY) do |f|
- assert_equal true, f.binmode?
- assert_equal binary_enc, f.external_encoding
- end
- open(t.path, 'r', flags: File::BINARY) do |f|
- assert_equal true, f.binmode?
- assert_equal binary_enc, f.external_encoding
- end
- open(t.path, mode: 'r', flags: File::BINARY) do |f|
- assert_equal true, f.binmode?
- assert_equal binary_enc, f.external_encoding
- end
- open(t.path, File::RDONLY|File::BINARY) do |f|
- assert_equal true, f.binmode?
- assert_equal binary_enc, f.external_encoding
- end
- open(t.path, File::RDONLY|File::BINARY, autoclose: true) do |f|
- assert_equal true, f.binmode?
- assert_equal binary_enc, f.external_encoding
- end
- end
- end if File::BINARY != 0
- def test_exclusive_mode
- make_tempfile do |t|
- assert_raise(Errno::EEXIST){ open(t.path, 'wx'){} }
- assert_raise(ArgumentError){ open(t.path, 'rx'){} }
- assert_raise(ArgumentError){ open(t.path, 'ax'){} }
- end
- end
- def test_race_gets_and_close
- opt = { signal: :ABRT, timeout: 200 }
- assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}", **opt)
- bug13076 = '[ruby-core:78845] [Bug #13076]'
- begin;
- 10.times do |i|
- a = []
- t = []
- 10.times do
- r,w = IO.pipe
- a << [r,w]
- t << Thread.new do
- begin
- while r.gets
- end
- rescue IOError
- end
- end
- end
- a.each do |r,w|
- w.puts "hoge"
- w.close
- r.close
- end
- t.each do |th|
- assert_same(th, th.join(2), bug13076)
- end
- end
- end;
- end
- def test_race_closed_stream
- assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}")
- begin;
- bug13158 = '[ruby-core:79262] [Bug #13158]'
- closed = nil
- q = Queue.new
- IO.pipe do |r, w|
- thread = Thread.new do
- begin
- q << true
- assert_raise_with_message(IOError, /stream closed/) do
- while r.gets
- end
- end
- ensure
- closed = r.closed?
- end
- end
- q.pop
- sleep 0.01 until thread.stop?
- r.close
- thread.join
- assert_equal(true, closed, bug13158 + ': stream should be closed')
- end
- end;
- end
- if RUBY_ENGINE == "ruby" # implementation details
- def test_foreach_rs_conversion
- make_tempfile {|t|
- a = []
- rs = Struct.new(:count).new(0)
- def rs.to_str; self.count += 1; "\n"; end
- IO.foreach(t.path, rs) {|x| a << x }
- assert_equal(["foo\n", "bar\n", "baz\n"], a)
- assert_equal(1, rs.count)
- }
- end
- def test_foreach_rs_invalid
- make_tempfile {|t|
- rs = Object.new
- def rs.to_str; raise "invalid rs"; end
- assert_raise(RuntimeError) do
- IO.foreach(t.path, rs, mode:"w") {}
- end
- assert_equal(["foo\n", "bar\n", "baz\n"], IO.foreach(t.path).to_a)
- }
- end
- def test_foreach_limit_conversion
- make_tempfile {|t|
- a = []
- lim = Struct.new(:count).new(0)
- def lim.to_int; self.count += 1; -1; end
- IO.foreach(t.path, lim) {|x| a << x }
- assert_equal(["foo\n", "bar\n", "baz\n"], a)
- assert_equal(1, lim.count)
- }
- end
- def test_foreach_limit_invalid
- make_tempfile {|t|
- lim = Object.new
- def lim.to_int; raise "invalid limit"; end
- assert_raise(RuntimeError) do
- IO.foreach(t.path, lim, mode:"w") {}
- end
- assert_equal(["foo\n", "bar\n", "baz\n"], IO.foreach(t.path).to_a)
- }
- end
- def test_readlines_rs_invalid
- make_tempfile {|t|
- rs = Object.new
- def rs.to_str; raise "invalid rs"; end
- assert_raise(RuntimeError) do
- IO.readlines(t.path, rs, mode:"w")
- end
- assert_equal(["foo\n", "bar\n", "baz\n"], IO.readlines(t.path))
- }
- end
- def test_readlines_limit_invalid
- make_tempfile {|t|
- lim = Object.new
- def lim.to_int; raise "invalid limit"; end
- assert_raise(RuntimeError) do
- IO.readlines(t.path, lim, mode:"w")
- end
- assert_equal(["foo\n", "bar\n", "baz\n"], IO.readlines(t.path))
- }
- end
- def test_closed_stream_in_rescue
- assert_separately([], "#{<<-"begin;"}\n#{<<~"end;"}")
- begin;
- 10.times do
- assert_nothing_raised(RuntimeError, /frozen IOError/) do
- IO.pipe do |r, w|
- th = Thread.start {r.close}
- r.gets
- rescue IOError
- # swallow pending exceptions
- begin
- sleep 0.001
- rescue IOError
- retry
- end
- ensure
- th.kill.join
- end
- end
- end
- end;
- end
- def test_write_no_garbage
- skip "multiple threads already active" if Thread.list.size > 1
- res = {}
- ObjectSpace.count_objects(res) # creates strings on first call
- [ 'foo'.b, '*' * 24 ].each do |buf|
- with_pipe do |r, w|
- GC.disable
- begin
- before = ObjectSpace.count_objects(res)[:T_STRING]
- n = w.write(buf)
- s = w.syswrite(buf)
- after = ObjectSpace.count_objects(res)[:T_STRING]
- ensure
- GC.enable
- end
- assert_equal before, after,
- "no strings left over after write [ruby-core:78898] [Bug #13085]: #{ before } strings before write -> #{ after } strings after write"
- assert_not_predicate buf, :frozen?, 'no inadvertent freeze'
- assert_equal buf.bytesize, n, 'IO#write wrote expected size'
- assert_equal s, n, 'IO#syswrite wrote expected size'
- end
- end
- end
- end
- def test_pread
- make_tempfile { |t|
- open(t.path) do |f|
- assert_equal("bar", f.pread(3, 4))
- buf = "asdf"
- assert_equal("bar", f.pread(3, 4, buf))
- assert_equal("bar", buf)
- assert_raise(EOFError) { f.pread(1, f.size) }
- end
- }
- end if IO.method_defined?(:pread)
- def test_pwrite
- make_tempfile { |t|
- open(t.path, IO::RDWR) do |f|
- assert_equal(3, f.pwrite("ooo", 4))
- assert_equal("ooo", f.pread(3, 4))
- end
- }
- end if IO.method_defined?(:pread) and IO.method_defined?(:pwrite)
- def test_select_exceptfds
- if Etc.uname[:sysname] == 'SunOS'
- str = 'h'.freeze #(???) Only 1 byte with MSG_OOB on Solaris
- else
- str = 'hello'.freeze
- end
- TCPServer.open('localhost', 0) do |svr|
- con = TCPSocket.new('localhost', svr.addr[1])
- acc = svr.accept
- assert_equal str.length, con.send(str, Socket::MSG_OOB)
- set = IO.select(nil, nil, [acc], 30)
- assert_equal([[], [], [acc]], set, 'IO#select exceptions array OK')
- acc.close
- con.close
- end
- end if Socket.const_defined?(:MSG_OOB)
- def test_recycled_fd_close
- dot = -'.'
- IO.pipe do |sig_rd, sig_wr|
- noex = Thread.new do # everything right and never see exceptions :)
- until sig_rd.wait_readable(0)
- IO.pipe do |r, w|
- th = Thread.new { r.read(1) }
- w.write(dot)
- assert_same th, th.join(15), '"good" reader timeout'
- assert_equal(dot, th.value)
- end
- end
- sig_rd.read(4)
- end
- 1000.times do |i| # stupid things and make exceptions:
- IO.pipe do |r,w|
- th = Thread.new do
- begin
- while r.gets
- end
- rescue IOError => e
- e
- end
- end
- Thread.pass until th.stop?
- r.close
- assert_same th, th.join(30), '"bad" reader timeout'
- assert_match(/stream closed/, th.value.message)
- end
- end
- sig_wr.write 'done'
- assert_same noex, noex.join(20), '"good" writer timeout'
- assert_equal 'done', noex.value ,'r63216'
- end
- end
- def test_select_memory_leak
- # avoid malloc arena explosion from glibc and jemalloc:
- env = {
- 'MALLOC_ARENA_MAX' => '1',
- 'MALLOC_ARENA_TEST' => '1',
- 'MALLOC_CONF' => 'narenas:1',
- }
- assert_no_memory_leak([env], "#{<<~"begin;"}\n#{<<~'else;'}", "#{<<~'end;'}", rss: true, timeout: 60)
- begin;
- r, w = IO.pipe
- rset = [r]
- wset = [w]
- exc = StandardError.new(-"select used to leak on exception")
- exc.set_backtrace([])
- Thread.new { IO.select(rset, wset, nil, 0) }.join
- else;
- th = Thread.new do
- Thread.handle_interrupt(StandardError => :on_blocking) do
- begin
- IO.select(rset, wset)
- rescue
- retry
- end while true
- end
- end
- 50_000.times do
- Thread.pass until th.stop?
- th.raise(exc)
- end
- th.kill
- th.join
- end;
- end
- def test_external_encoding_index
- IO.pipe {|r, w|
- assert_raise(TypeError) {Marshal.dump(r)}
- assert_raise(TypeError) {Marshal.dump(w)}
- }
- end
- def test_stdout_to_closed_pipe
- EnvUtil.invoke_ruby(["-e", "loop {puts :ok}"], "", true, true) do
- |in_p, out_p, err_p, pid|
- out = out_p.gets
- out_p.close
- err = err_p.read
- ensure
- status = Process.wait2(pid)[1]
- assert_equal("ok\n", out)
- assert_empty(err)
- assert_not_predicate(status, :success?)
- if Signal.list["PIPE"]
- assert_predicate(status, :signaled?)
- assert_equal("PIPE", Signal.signame(status.termsig) || status.termsig)
- end
- end
- end
- end