/test/lua/int64.lua
Lua | 377 lines | 299 code | 68 blank | 10 comment | 102 complexity | d1cb384f01ba1cf6770aa9591a0f4eda MD5 | raw file
- -- This is a test script for tshark/wireshark.
- -- This script runs inside tshark/wireshark, so to run it do:
- -- wireshark -X lua_script:<path_to_testdir>/lua/int64.lua
- -- tshark -r bogus.cap -X lua_script:<path_to_testdir>/lua/int64.lua
- -- Tests Int64/UInt64 functions
- local function testing(...)
- print("---- Testing "..tostring(...).." ----")
- end
- local function test(name, ...)
- io.stdout:write("test "..name.."...")
- if (...) == true then
- io.stdout:write("passed\n")
- else
- io.stdout:write("failed!\n")
- error(name.." test failed!")
- end
- end
- -- you can't compare (use the '==') userdata objects with numbers, so this function does it instead.
- function checkeq(arg1,arg2)
- if arg1 == arg2 then
- return true
- elseif type(arg1) == 'userdata' and arg1.tonumber then
- if type(arg2) == 'userdata' and arg2.tonumber then
- return arg1:tonumber() == arg2:tonumber()
- else
- return arg1:tonumber() == arg2
- end
- elseif type(arg2) == 'userdata' and arg2.tonumber then
- return arg1 == arg2:tonumber()
- else
- return false
- end
- end
- -----------------------------
- testing("Int64/UInt64 library")
- local testtbl = { { ["type"]=Int64, ["name"]="Int64" } , { ["type"]=UInt64, ["name"]="UInt64" } }
- for i,t in ipairs(testtbl) do
- local function testing(...)
- print("---- Testing "..t.name..": "..tostring(...).." ----")
- end
- local function test(name, ...)
- io.stdout:write("test "..t.name.."-"..name.."...")
- if (...) == true then
- io.stdout:write("passed\n")
- else
- io.stdout:write("failed!\n")
- error(name.." test failed!")
- end
- end
- testing("class")
- local obj = t.type
- for name, val in pairs(obj) do
- print("\t"..name.." = "..type(val))
- end
- test("class1",type(obj) == 'table')
- test("class2",type(obj.new) == 'function')
- test("class3",type(obj.max) == 'function')
- test("class4",type(obj.min) == 'function')
- test("class5",type(obj.tonumber) == 'function')
- test("class6",type(obj.fromhex) == 'function')
- test("class7",type(obj.tohex) == 'function')
- test("class8",type(obj.higher) == 'function')
- test("class9",type(obj.lower) == 'function')
- testing("new, tonumber, tostring")
- local val = 12345
- local my64a = obj.new(val)
- local my64b = obj.new(tostring(val))
- local zero = obj.new(0)
- -- remember in Lua it's a double, so only precise up to 9,007,199,254,740,992
- local my64c = obj.new(val,100)
- local valc = (100 * 4294967296) + val
- print(tostring(my64c))
- local my64z = obj.new(0,0)
- local my64d = obj.new(0,100)
- local vald = (100 * 4294967296)
- test("new1",checkeq(my64a,val))
- test("new2",checkeq(my64b,val))
- test("new3",checkeq(my64a,obj.new(my64b)))
- test("new3b",checkeq(my64a,obj(my64b)))
- test("new4",checkeq(valc,my64c))
- test("new5",checkeq(0,my64z))
- test("new6",obj.new(0,1):tonumber() == (2^32))
- if t.name == "Int64" then
- test("new7",obj(-1):tonumber() == -1)
- test("new8",obj.new(0,-1):tonumber() == -4294967296)
- test("new9",obj(obj.new(-1)):tonumber() == -1)
- end
- test("tonumber1",val == my64a:tonumber())
- test("tonumber2",valc == my64c:tonumber())
- test("tonumber3",vald == my64d:tonumber())
- test("tonumber4",0 == my64z:tonumber())
- test("tostring1", tostring(my64a)==tostring(val))
- test("tostring2",tostring(my64b)==tostring(val))
- test("tostring3",tostring(my64c)==tostring(valc))
- test("tostring4",tostring(my64d)==tostring(vald))
- testing("compare ops")
- test("eq", my64a == my64b)
- test("le1", my64a <= my64b)
- test("le2", my64a <= my64c)
- test("le3", my64z <= my64c)
- test("ge1", my64a >= my64b)
- test("ge2", my64c >= my64b)
- test("ge2", my64c >= my64z)
- test("neq1",not(my64a ~= my64b))
- test("neq2",my64a ~= obj(0))
- test("neq2",my64a ~= my64c)
- test("gt1",my64a > my64z)
- test("gt2",my64c > my64a)
- test("lt1",not(my64a < my64b))
- test("lt2",my64a < my64c)
- testing("math ops")
- test("add1",checkeq(my64a + my64b, val + val))
- test("add2",my64a + my64z == my64b)
- test("add3",my64a + my64b == my64b + my64a)
- test("add4",my64d + my64a == my64c)
- test("add5",checkeq(my64a + vald, valc))
- test("add6",checkeq(vald + my64a, valc))
- test("sub1",checkeq(my64a - my64b, 0))
- test("sub2",my64a - my64b == my64z)
- test("sub3",my64a - my64b == my64b - my64a)
- test("sub4",my64c - my64a == my64d)
- test("sub5",checkeq(my64a - val, 0))
- test("mod1",checkeq(my64a % my64b, 0))
- test("mod2",checkeq(my64c % my64b, valc % val))
- test("mod3",checkeq(my64c % val, valc % val))
- test("mod4",checkeq(val % my64c, val % valc))
- test("div1",checkeq(my64a / my64b, 1))
- test("div2",checkeq(my64a / val, 1))
- test("div3",checkeq(val / my64a, 1))
- test("div4",my64c / my64d == obj.new(1))
- test("pow1",checkeq(my64a ^ 1, val))
- test("pow2",checkeq(my64a ^ obj.new(2), val ^ 2))
- test("pow3",checkeq(my64a ^ obj.new(3), val ^ 3))
- test("pow4",checkeq(my64c ^ 1, valc ^ 1))
- test("mul1",checkeq(my64a * obj(1), my64b))
- test("mul2",checkeq(my64a * my64b, my64b * my64a))
- test("mul3",checkeq(my64a * 1, my64b))
- test("mul4",checkeq(2 * my64c, 2 * valc))
- if t.name == "Int64" then
- -- unary minus on UInt64 is illogical, but oh well
- test("unm1",checkeq(-my64a,-val))
- test("unm2",checkeq(string.sub(tostring(-my64a),1,1), "-"))
- test("unm3",checkeq(-my64c,-valc))
- else
- test("unm1",checkeq(-my64a,val))
- test("unm2",checkeq(string.sub(tostring(-my64a),1,1), "1"))
- test("unm3",checkeq(-my64c,valc))
- end
- test("unm4",checkeq(-my64z,0))
- testing("methods")
- test("higher1",my64a:higher() == 0)
- test("higher2",my64c:higher() == 100)
- test("lower1",my64a:lower() == val)
- test("lower2",my64c:lower() == val)
- test("lower3",my64d:lower() == 0)
- local vale1 = 3735928559 -- yields hex of deadbeef
- local vale2 = 5045997 -- yields 4cfeed
- local my64e = obj.new(vale1, vale2)
- test("fromhex1",obj.fromhex("0000000000003039") == my64a);
- test("fromhex2",obj.fromhex("3039") == my64a);
- test("fromhex3",obj.fromhex("0000006400003039") == my64c);
- test("fromhex4",obj.fromhex("0000000000000000") == my64z);
- test("fromhex5",obj.fromhex("004cfeeddeadbeef") == my64e);
- test("fromhex6",obj.fromhex("4cFEEDDEADBEEF") == my64e);
- test("tohex1",my64a:tohex() == "0000000000003039")
- test("tohex2",my64c:tohex(16) == "0000006400003039")
- test("tohex3",my64z:tohex() == "0000000000000000")
- test("tohex4",my64e:tohex() == "004cfeeddeadbeef")
- test("tohex5",my64e:tohex(8) == "deadbeef")
- test("tohex6",my64e:tohex(-8) == "DEADBEEF")
- test("encode1",my64a:encode(true) == "\57\48\00\00\00\00\00\00")
- test("encode2",my64a:encode(false) == "\00\00\00\00\00\00\48\57")
- test("encode3",my64c:encode(false) == "\00\00\00\100\00\00\48\57")
- test("decode1",obj.decode("\57\48\00\00\00\00\00\00", true) == my64a)
- test("decode2",obj.decode("\00\00\00\00\00\00\48\57", false) == my64a)
- test("decode3",obj.decode("\00\00\00\100\00\00\48\57", false) == my64c)
- local function testpower(b)
- testing("powers of "..b)
- b=obj.new(b)
- local z=obj.new(1)
- for i=0,100 do
- print(i,z,b^i)
- assert(z==b^i)
- z=b*z
- end
- end
- testpower(2)
- testpower(3)
- testing"factorials"
- F={
- [1]="1",
- [2]="2",
- [3]="6",
- [4]="24",
- [5]="120",
- [6]="720",
- [7]="5040",
- [8]="40320",
- [9]="362880",
- [10]="3628800",
- [11]="39916800",
- [12]="479001600",
- [13]="6227020800",
- [14]="87178291200",
- [15]="1307674368000",
- [16]="20922789888000",
- [17]="355687428096000",
- [18]="6402373705728000",
- [19]="121645100408832000",
- [20]="2432902008176640000",
- }
- z=obj.new(1)
- f=1
- for i=1,20 do
- z=z*i
- f=f*i
- s=obj.tonumber(z)
- print(i,z,f,f==obj.tonumber(z),tostring(z)==F[i])
- --print(i,int64.new(F[i]))
- end
- testing("bit operations")
- test("band1",checkeq(obj(1):band(1), 1))
- test("band2",checkeq(obj(1):band(0), 0))
- test("band3",checkeq(obj(4294967295,100):band(4294967295), 4294967295))
- test("band4",obj.new(4294967295,100):band(obj(0,100),obj(0,100),obj(0,100)) == obj(0,100))
- test("band5",checkeq(obj.new(4294967295,100):band(obj.new(0,100),obj(0)), 0))
- test("bor1",checkeq(obj(1):bor(1), 1))
- test("bor2",checkeq(obj(1):bor(0), 1))
- test("bor3",checkeq(obj(0):bor(0), 0))
- test("bor4",obj.new(0,100):bor(4294967295) == obj.new(4294967295,100))
- test("bor5",obj.new(1):bor(obj(2),obj.new(4),obj(8),16,32,64,128) == obj(255))
- test("bxor1",checkeq(obj.new(1):bxor(1), 0))
- test("bxor2",checkeq(obj.new(1):bxor(0), 1))
- test("bxor3",checkeq(obj.new(0):bxor(0), 0))
- test("bxor4",obj.new(4294967295,100):bxor(obj(0,100)) == obj.new(4294967295))
- test("bxor5",obj.new(1):bxor(obj(2),obj(4),obj(8),16,32,64,128) == obj(255))
- test("bnot1",checkeq(obj.new(4294967295,4294967295):bnot(), 0))
- test("bnot2",obj.new(0):bnot() == obj.new(4294967295,4294967295))
- test("bnot3",obj.new(0xaaaaaaaa,0xaaaaaaaa):bnot() == obj.new( 0x55555555, 0x55555555))
- test("bsawp1",obj.new( 0x01020304, 0x05060708 ):bswap() == obj.new( 0x08070605, 0x04030201 ))
- test("bsawp2",obj.new( 0xFF020304, 0xFF060708 ):bswap() == obj.new( 0x080706FF, 0x040302FF ))
- test("lshift1",obj.new( 0x01020304, 0x0506070F ):lshift(4) == obj.new( 0x10203040, 0x506070f0 ))
- test("lshift2",obj.new( 0x0102030F, 0x05060708 ):lshift(63) == obj.new( 0, 0x80000000 ))
- if t.name == "Int64" then
- test("lshift3",checkeq(obj.new( 0x0102030F, 0x05060708 ):lshift(63), -9223372036854775808))
- else
- test("lshift3",obj.new( 0x0102030F, 0x05060708 ):lshift(63) == obj.new( 0, 0x80000000 ))
- end
- test("rshift1",obj.new( 0x01020304, 0xF5060708 ):rshift(4) == obj.new( 0x80102030, 0x0F506070 ))
- test("rshift2",checkeq(obj.new( 0x01020304, 0xF5060708 ):rshift(63), 1))
- if t.name == "Int64" then
- test("arshift1",obj.new( 0x01020304, 0xF5060708 ):arshift(4) == obj.new( 0x80102030, 0xFF506070 ))
- test("arshift2",obj.new( 0x01020304, 0xF5060708 ):arshift(63) == obj.new( 0xFFFFFFFF, 0xFFFFFFFF ))
- else
- test("arshift1",obj.new( 0x01020304, 0xF5060708 ):arshift(4) == obj.new( 0x80102030, 0x0F506070 ))
- test("arshift2",checkeq(obj.new( 0x01020304, 0xF5060708 ):arshift(63),1))
- end
- test("arshift3",obj.new( 0x01020304, 0x05060708 ):arshift(4) == obj.new( 0x80102030, 0x00506070 ))
- test("arshift4",checkeq(obj.new( 0x01020304, 0x05060708 ):arshift(63), 0))
- test("rol1",obj.new( 0x01020304, 0xF5060708 ):rol(4) == obj.new( 0x1020304F, 0x50607080 ))
- test("rol2",obj.new( 0x01020304, 0xF5060708 ):rol(32):rol(32) == obj.new( 0x01020304, 0xF5060708 ))
- test("ror1",obj.new( 0x01020304, 0xF5060708 ):ror(4) == obj.new( 0x80102030, 0x4F506070 ))
- test("ror2",obj.new( 0x01020304, 0xF5060708 ):ror(32):ror(32) == obj.new( 0x01020304, 0xF5060708 ))
- end
- testing("min and max values")
- z=Int64.new(2)
- z=z^63-1
- test("max1",tostring(Int64.max()) == "9223372036854775807")
- test("max2",Int64.max() == Int64.new(4294967295, 2147483647))
- test("max3",z==Int64.max())
- test("min1",tostring(Int64.min()) == "-9223372036854775808")
- test("min2",Int64.min() == Int64.new(0,2147483648))
- z=-z
- z=z-1
- test("min3",z==Int64.min())
- test("minmax",Int64.min()== - Int64.max() - 1)
- testing("error conditions")
- local function divtest(f,s)
- local r = (f / s)
- if r == 5 then
- io.stdout:write("ok...")
- else
- error("test failed!")
- end
- end
- local function modtest(f,s)
- local r = (f % s)
- if r == 5 then
- io.stdout:write("ok...")
- else
- error("test failed!")
- end
- end
- test("error1", pcall(divtest, 10, 2)) -- not an error, but checking the div function works above
- test("error2", not pcall(divtest, Int64(10), 0))
- test("error3", not pcall(divtest, Int64(10), Int64(0)))
- test("error4", not pcall(divtest, Int64(10), UInt64(0)))
- test("error5", not pcall(divtest, UInt64(10), 0))
- test("error6", not pcall(divtest, UInt64(10), Int64(0)))
- test("error7", not pcall(divtest, UInt64(10), UInt64(0)))
- test("error8", pcall(modtest, 17, 6)) -- not an error, but checking the mod function works above
- test("error9", not pcall(modtest, Int64(10), 0))
- test("error10", not pcall(modtest, Int64(10), Int64(0)))
- test("error11", not pcall(modtest, Int64(10), UInt64(0)))
- test("error12", not pcall(modtest, UInt64(10), 0))
- test("error13", not pcall(modtest, UInt64(10), Int64(0)))
- test("error14", not pcall(modtest, UInt64(10), UInt64(0)))
- print("\n-----------------------------\n")
- print("All tests passed!\n\n")