/MRI-J/jdk/test/java/lang/ProcessBuilder/Basic.java
Java | 1525 lines | 1132 code | 185 blank | 208 comment | 121 complexity | 3d55f8a0b0f1e3050b3ac033dccea565 MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause, LGPL-3.0
- /*
- * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
- /*
- * @test
- * @bug 4199068 4738465 4937983 4930681 4926230 4931433 4932663 4986689
- * 5026830 5023243 5070673 4052517 4811767 6192449 6397034 6413313
- * 6464154 6523983 6206031
- * @summary Basic tests for Process and Environment Variable code
- * @run main/othervm Basic
- * @author Martin Buchholz
- */
- import java.io.*;
- import java.util.*;
- import java.security.*;
- import java.util.regex.Pattern;
- import static java.lang.System.getenv;
- import static java.lang.System.out;
- import static java.lang.Boolean.TRUE;
- import static java.util.AbstractMap.SimpleImmutableEntry;
- public class Basic {
- private static String commandOutput(Reader r) throws Throwable {
- StringBuilder sb = new StringBuilder();
- int c;
- while ((c = r.read()) > 0)
- if (c != '\r')
- sb.append((char) c);
- return sb.toString();
- }
- private static String commandOutput(Process p) throws Throwable {
- check(p.getInputStream() == p.getInputStream());
- check(p.getOutputStream() == p.getOutputStream());
- check(p.getErrorStream() == p.getErrorStream());
- Reader r = new InputStreamReader(p.getInputStream(),"UTF-8");
- String output = commandOutput(r);
- equal(p.waitFor(), 0);
- equal(p.exitValue(), 0);
- return output;
- }
- private static String commandOutput(ProcessBuilder pb) {
- try {
- return commandOutput(pb.start());
- } catch (Throwable t) {
- String commandline = "";
- for (String arg : pb.command())
- commandline += " " + arg;
- System.out.println("Exception trying to run process: " + commandline);
- unexpected(t);
- return "";
- }
- }
- private static String commandOutput(String...command) {
- try {
- return commandOutput(Runtime.getRuntime().exec(command));
- } catch (Throwable t) {
- String commandline = "";
- for (String arg : command)
- commandline += " " + arg;
- System.out.println("Exception trying to run process: " + commandline);
- unexpected(t);
- return "";
- }
- }
- private static void checkCommandOutput(ProcessBuilder pb,
- String expected,
- String failureMsg) {
- String got = commandOutput(pb);
- check(got.equals(expected),
- failureMsg + "\n" +
- "Expected: \"" + expected + "\"\n" +
- "Got: \"" + got + "\"");
- }
- private static String absolutifyPath(String path) {
- StringBuilder sb = new StringBuilder();
- for (String file : path.split(File.pathSeparator)) {
- if (sb.length() != 0)
- sb.append(File.pathSeparator);
- sb.append(new File(file).getAbsolutePath());
- }
- return sb.toString();
- }
- // compare windows-style, by canonicalizing to upper case,
- // not lower case as String.compareToIgnoreCase does
- private static class WindowsComparator
- implements Comparator<String> {
- public int compare(String x, String y) {
- return x.toUpperCase(Locale.US)
- .compareTo(y.toUpperCase(Locale.US));
- }
- }
- private static String sortedLines(String lines) {
- String[] arr = lines.split("\n");
- List<String> ls = new ArrayList<String>();
- for (String s : arr)
- ls.add(s);
- Collections.sort(ls, new WindowsComparator());
- StringBuilder sb = new StringBuilder();
- for (String s : ls)
- sb.append(s + "\n");
- return sb.toString();
- }
- private static void compareLinesIgnoreCase(String lines1, String lines2) {
- if (! (sortedLines(lines1).equalsIgnoreCase(sortedLines(lines2)))) {
- String dashes =
- "-----------------------------------------------------";
- out.println(dashes);
- out.print(sortedLines(lines1));
- out.println(dashes);
- out.print(sortedLines(lines2));
- out.println(dashes);
- out.println("sizes: " + sortedLines(lines1).length() +
- " " + sortedLines(lines2).length());
- fail("Sorted string contents differ");
- }
- }
- private static final Runtime runtime = Runtime.getRuntime();
- private static final String[] winEnvCommand = {"cmd.exe", "/c", "set"};
- private static String winEnvFilter(String env) {
- return env.replaceAll("\r", "")
- .replaceAll("(?m)^(?:COMSPEC|PROMPT|PATHEXT)=.*\n","");
- }
- private static String unixEnvProg() {
- return new File("/usr/bin/env").canExecute() ? "/usr/bin/env"
- : "/bin/env";
- }
- private static String nativeEnv(String[] env) {
- try {
- if (Windows.is()) {
- return winEnvFilter
- (commandOutput(runtime.exec(winEnvCommand, env)));
- } else {
- return commandOutput(runtime.exec(unixEnvProg(), env));
- }
- } catch (Throwable t) { throw new Error(t); }
- }
- private static String nativeEnv(ProcessBuilder pb) {
- try {
- if (Windows.is()) {
- pb.command(winEnvCommand);
- return winEnvFilter(commandOutput(pb));
- } else {
- pb.command(new String[]{unixEnvProg()});
- return commandOutput(pb);
- }
- } catch (Throwable t) { throw new Error(t); }
- }
- private static void checkSizes(Map<String,String> environ, int size) {
- try {
- equal(size, environ.size());
- equal(size, environ.entrySet().size());
- equal(size, environ.keySet().size());
- equal(size, environ.values().size());
- boolean isEmpty = (size == 0);
- equal(isEmpty, environ.isEmpty());
- equal(isEmpty, environ.entrySet().isEmpty());
- equal(isEmpty, environ.keySet().isEmpty());
- equal(isEmpty, environ.values().isEmpty());
- } catch (Throwable t) { unexpected(t); }
- }
- private interface EnvironmentFrobber {
- void doIt(Map<String,String> environ);
- }
- private static void testVariableDeleter(EnvironmentFrobber fooDeleter) {
- try {
- Map<String,String> environ = new ProcessBuilder().environment();
- environ.put("Foo", "BAAR");
- fooDeleter.doIt(environ);
- equal(environ.get("Foo"), null);
- equal(environ.remove("Foo"), null);
- } catch (Throwable t) { unexpected(t); }
- }
- private static void testVariableAdder(EnvironmentFrobber fooAdder) {
- try {
- Map<String,String> environ = new ProcessBuilder().environment();
- environ.remove("Foo");
- fooAdder.doIt(environ);
- equal(environ.get("Foo"), "Bahrein");
- } catch (Throwable t) { unexpected(t); }
- }
- private static void testVariableModifier(EnvironmentFrobber fooModifier) {
- try {
- Map<String,String> environ = new ProcessBuilder().environment();
- environ.put("Foo","OldValue");
- fooModifier.doIt(environ);
- equal(environ.get("Foo"), "NewValue");
- } catch (Throwable t) { unexpected(t); }
- }
- private static void printUTF8(String s) throws IOException {
- out.write(s.getBytes("UTF-8"));
- }
- private static String getenvAsString(Map<String,String> environment) {
- StringBuilder sb = new StringBuilder();
- for (Map.Entry<String,String> e : environment.entrySet())
- // Ignore magic environment variables added by the launcher
- if (! e.getKey().equals("NLSPATH") &&
- ! e.getKey().equals("XFILESEARCHPATH") &&
- ! e.getKey().equals("LD_LIBRARY_PATH"))
- sb.append(e.getKey())
- .append('=')
- .append(e.getValue())
- .append(',');
- return sb.toString();
- }
- static void print4095(OutputStream s) throws Throwable {
- byte[] bytes = new byte[4095];
- Arrays.fill(bytes, (byte) '!');
- s.write(bytes); // Might hang!
- }
- public static class JavaChild {
- public static void main(String args[]) throws Throwable {
- String action = args[0];
- if (action.equals("System.getenv(String)")) {
- String val = System.getenv(args[1]);
- printUTF8(val == null ? "null" : val);
- } else if (action.equals("System.getenv(\\u1234)")) {
- String val = System.getenv("\u1234");
- printUTF8(val == null ? "null" : val);
- } else if (action.equals("System.getenv()")) {
- printUTF8(getenvAsString(System.getenv()));
- } else if (action.equals("pwd")) {
- printUTF8(new File(System.getProperty("user.dir"))
- .getCanonicalPath());
- } else if (action.equals("print4095")) {
- print4095(System.out);
- System.exit(5);
- } else if (action.equals("OutErr")) {
- // You might think the system streams would be
- // buffered, and in fact they are implemented using
- // BufferedOutputStream, but each and every print
- // causes immediate operating system I/O.
- System.out.print("out");
- System.err.print("err");
- System.out.print("out");
- System.err.print("err");
- } else if (action.equals("null PATH")) {
- equal(System.getenv("PATH"), null);
- check(new File("/bin/true").exists());
- check(new File("/bin/false").exists());
- ProcessBuilder pb1 = new ProcessBuilder();
- ProcessBuilder pb2 = new ProcessBuilder();
- pb2.environment().put("PATH", "anyOldPathIgnoredAnyways");
- ProcessResults r;
- for (final ProcessBuilder pb :
- new ProcessBuilder[] {pb1, pb2}) {
- pb.command("true");
- r = run(pb.start());
- equal(r.exitValue(), True.exitValue());
- pb.command("false");
- r = run(pb.start());
- equal(r.exitValue(), False.exitValue());
- }
- if (failed != 0) throw new Error("null PATH");
- } else if (action.equals("PATH search algorithm")) {
- equal(System.getenv("PATH"), "dir1:dir2:");
- check(new File("/bin/true").exists());
- check(new File("/bin/false").exists());
- String[] cmd = {"prog"};
- ProcessBuilder pb1 = new ProcessBuilder(cmd);
- ProcessBuilder pb2 = new ProcessBuilder(cmd);
- ProcessBuilder pb3 = new ProcessBuilder(cmd);
- pb2.environment().put("PATH", "anyOldPathIgnoredAnyways");
- pb3.environment().remove("PATH");
- for (final ProcessBuilder pb :
- new ProcessBuilder[] {pb1, pb2, pb3}) {
- try {
- // Not on PATH at all; directories don't exist
- try {
- pb.start();
- fail("Expected IOException not thrown");
- } catch (IOException e) {
- String m = e.getMessage();
- if (EnglishUnix.is() &&
- ! matches(m, "No such file"))
- unexpected(e);
- } catch (Throwable t) { unexpected(t); }
- // Not on PATH at all; directories exist
- new File("dir1").mkdirs();
- new File("dir2").mkdirs();
- try {
- pb.start();
- fail("Expected IOException not thrown");
- } catch (IOException e) {
- String m = e.getMessage();
- if (EnglishUnix.is() &&
- ! matches(m, "No such file"))
- unexpected(e);
- } catch (Throwable t) { unexpected(t); }
- // Can't execute a directory -- permission denied
- // Report EACCES errno
- new File("dir1/prog").mkdirs();
- try {
- pb.start();
- fail("Expected IOException not thrown");
- } catch (IOException e) {
- String m = e.getMessage();
- if (EnglishUnix.is() &&
- ! matches(m, "Permission denied"))
- unexpected(e);
- } catch (Throwable t) { unexpected(t); }
- // continue searching if EACCES
- copy("/bin/true", "dir2/prog");
- equal(run(pb.start()).exitValue(), True.exitValue());
- new File("dir1/prog").delete();
- new File("dir2/prog").delete();
- new File("dir2/prog").mkdirs();
- copy("/bin/true", "dir1/prog");
- equal(run(pb.start()).exitValue(), True.exitValue());
- // Check empty PATH component means current directory
- new File("dir1/prog").delete();
- new File("dir2/prog").delete();
- copy("/bin/true", "./prog");
- equal(run(pb.start()).exitValue(), True.exitValue());
- // If prog found on both parent and child's PATH,
- // parent's is used.
- new File("dir1/prog").delete();
- new File("dir2/prog").delete();
- new File("prog").delete();
- new File("dir3").mkdirs();
- copy("/bin/true", "dir1/prog");
- copy("/bin/false", "dir3/prog");
- pb.environment().put("PATH","dir3");
- equal(run(pb.start()).exitValue(), True.exitValue());
- copy("/bin/true", "dir3/prog");
- copy("/bin/false", "dir1/prog");
- equal(run(pb.start()).exitValue(), False.exitValue());
- } finally {
- // cleanup
- new File("dir1/prog").delete();
- new File("dir2/prog").delete();
- new File("dir3/prog").delete();
- new File("dir1").delete();
- new File("dir2").delete();
- new File("dir3").delete();
- new File("prog").delete();
- }
- }
- if (failed != 0) throw new Error("PATH search algorithm");
- }
- else throw new Error("JavaChild invocation error");
- }
- }
- private static void copy(String src, String dst) {
- system("/bin/cp", "-fp", src, dst);
- }
- private static void system(String... command) {
- try {
- ProcessBuilder pb = new ProcessBuilder(command);
- ProcessResults r = run(pb.start());
- equal(r.exitValue(), 0);
- equal(r.out(), "");
- equal(r.err(), "");
- } catch (Throwable t) { unexpected(t); }
- }
- private static String javaChildOutput(ProcessBuilder pb, String...args) {
- List<String> list = new ArrayList<String>(javaChildArgs);
- for (String arg : args)
- list.add(arg);
- pb.command(list);
- return commandOutput(pb);
- }
- private static String getenvInChild(ProcessBuilder pb) {
- return javaChildOutput(pb, "System.getenv()");
- }
- private static String getenvInChild1234(ProcessBuilder pb) {
- return javaChildOutput(pb, "System.getenv(\\u1234)");
- }
- private static String getenvInChild(ProcessBuilder pb, String name) {
- return javaChildOutput(pb, "System.getenv(String)", name);
- }
- private static String pwdInChild(ProcessBuilder pb) {
- return javaChildOutput(pb, "pwd");
- }
- private static final String javaExe =
- System.getProperty("java.home") +
- File.separator + "bin" + File.separator + "java";
- private static final String classpath =
- System.getProperty("java.class.path");
- private static final List<String> javaChildArgs =
- Arrays.asList(new String[]
- { javaExe, "-classpath", absolutifyPath(classpath),
- "Basic$JavaChild"});
- private static void testEncoding(String encoding, String tested) {
- try {
- // If round trip conversion works, should be able to set env vars
- // correctly in child.
- if (new String(tested.getBytes()).equals(tested)) {
- out.println("Testing " + encoding + " environment values");
- ProcessBuilder pb = new ProcessBuilder();
- pb.environment().put("ASCIINAME",tested);
- equal(getenvInChild(pb,"ASCIINAME"), tested);
- }
- } catch (Throwable t) { unexpected(t); }
- }
- static class Windows {
- public static boolean is() { return is; }
- private static final boolean is =
- System.getProperty("os.name").startsWith("Windows");
- }
- static class Unix {
- public static boolean is() { return is; }
- private static final boolean is =
- (! Windows.is() &&
- new File("/bin/sh").exists() &&
- new File("/bin/true").exists() &&
- new File("/bin/false").exists());
- }
- static class UnicodeOS {
- public static boolean is() { return is; }
- private static final String osName = System.getProperty("os.name");
- private static final boolean is =
- // MacOS X would probably also qualify
- osName.startsWith("Windows") &&
- ! osName.startsWith("Windows 9") &&
- ! osName.equals("Windows Me");
- }
- static class True {
- public static int exitValue() { return 0; }
- }
- private static class False {
- public static int exitValue() { return exitValue; }
- private static final int exitValue = exitValue0();
- private static int exitValue0() {
- // /bin/false returns an *unspecified* non-zero number.
- try {
- if (! Unix.is())
- return -1;
- else {
- int rc = new ProcessBuilder("/bin/false")
- .start().waitFor();
- check(rc != 0);
- return rc;
- }
- } catch (Throwable t) { unexpected(t); return -1; }
- }
- }
- static class EnglishUnix {
- private final static Boolean is =
- (! Windows.is() && isEnglish("LANG") && isEnglish("LC_ALL"));
- private static boolean isEnglish(String envvar) {
- String val = getenv(envvar);
- return (val == null) || val.matches("en.*");
- }
- /** Returns true if we can expect English OS error strings */
- static boolean is() { return is; }
- }
- private static boolean matches(String str, String regex) {
- return Pattern.compile(regex).matcher(str).find();
- }
- private static String sortByLinesWindowsly(String text) {
- String[] lines = text.split("\n");
- Arrays.sort(lines, new WindowsComparator());
- StringBuilder sb = new StringBuilder();
- for (String line : lines)
- sb.append(line).append("\n");
- return sb.toString();
- }
- private static void checkMapSanity(Map<String,String> map) {
- try {
- Set<String> keySet = map.keySet();
- Collection<String> values = map.values();
- Set<Map.Entry<String,String>> entrySet = map.entrySet();
- equal(entrySet.size(), keySet.size());
- equal(entrySet.size(), values.size());
- StringBuilder s1 = new StringBuilder();
- for (Map.Entry<String,String> e : entrySet)
- s1.append(e.getKey() + "=" + e.getValue() + "\n");
- StringBuilder s2 = new StringBuilder();
- for (String var : keySet)
- s2.append(var + "=" + map.get(var) + "\n");
- equal(s1.toString(), s2.toString());
- Iterator<String> kIter = keySet.iterator();
- Iterator<String> vIter = values.iterator();
- Iterator<Map.Entry<String,String>> eIter = entrySet.iterator();
- while (eIter.hasNext()) {
- Map.Entry<String,String> entry = eIter.next();
- String key = kIter.next();
- String value = vIter.next();
- check(entrySet.contains(entry));
- check(keySet.contains(key));
- check(values.contains(value));
- check(map.containsKey(key));
- check(map.containsValue(value));
- equal(entry.getKey(), key);
- equal(entry.getValue(), value);
- }
- check(! kIter.hasNext() &&
- ! vIter.hasNext());
- } catch (Throwable t) { unexpected(t); }
- }
- private static void checkMapEquality(Map<String,String> map1,
- Map<String,String> map2) {
- try {
- equal(map1.size(), map2.size());
- equal(map1.isEmpty(), map2.isEmpty());
- for (String key : map1.keySet()) {
- equal(map1.get(key), map2.get(key));
- check(map2.keySet().contains(key));
- }
- equal(map1, map2);
- equal(map2, map1);
- equal(map1.entrySet(), map2.entrySet());
- equal(map2.entrySet(), map1.entrySet());
- equal(map1.keySet(), map2.keySet());
- equal(map2.keySet(), map1.keySet());
- equal(map1.hashCode(), map2.hashCode());
- equal(map1.entrySet().hashCode(), map2.entrySet().hashCode());
- equal(map1.keySet().hashCode(), map2.keySet().hashCode());
- } catch (Throwable t) { unexpected(t); }
- }
- private static void realMain(String[] args) throws Throwable {
- if (Windows.is())
- System.out.println("This appears to be a Windows system.");
- if (Unix.is())
- System.out.println("This appears to be a Unix system.");
- if (UnicodeOS.is())
- System.out.println("This appears to be a Unicode-based OS.");
- //----------------------------------------------------------------
- // Basic tests for setting, replacing and deleting envvars
- //----------------------------------------------------------------
- try {
- ProcessBuilder pb = new ProcessBuilder();
- Map<String,String> environ = pb.environment();
- // New env var
- environ.put("QUUX", "BAR");
- equal(environ.get("QUUX"), "BAR");
- equal(getenvInChild(pb,"QUUX"), "BAR");
- // Modify env var
- environ.put("QUUX","bear");
- equal(environ.get("QUUX"), "bear");
- equal(getenvInChild(pb,"QUUX"), "bear");
- checkMapSanity(environ);
- // Remove env var
- environ.remove("QUUX");
- equal(environ.get("QUUX"), null);
- equal(getenvInChild(pb,"QUUX"), "null");
- checkMapSanity(environ);
- // Remove non-existent env var
- environ.remove("QUUX");
- equal(environ.get("QUUX"), null);
- equal(getenvInChild(pb,"QUUX"), "null");
- checkMapSanity(environ);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Pass Empty environment to child
- //----------------------------------------------------------------
- try {
- ProcessBuilder pb = new ProcessBuilder();
- pb.environment().clear();
- equal(getenvInChild(pb), "");
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // System.getenv() is read-only.
- //----------------------------------------------------------------
- THROWS(UnsupportedOperationException.class,
- new Fun(){void f(){ getenv().put("FOO","BAR");}},
- new Fun(){void f(){ getenv().remove("PATH");}},
- new Fun(){void f(){ getenv().keySet().remove("PATH");}},
- new Fun(){void f(){ getenv().values().remove("someValue");}});
- try {
- Collection<Map.Entry<String,String>> c = getenv().entrySet();
- if (! c.isEmpty())
- try {
- c.iterator().next().setValue("foo");
- fail("Expected UnsupportedOperationException not thrown");
- } catch (UnsupportedOperationException e) {} // OK
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // System.getenv() always returns the same object in our implementation.
- //----------------------------------------------------------------
- try {
- check(System.getenv() == System.getenv());
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // You can't create an env var name containing "=",
- // or an env var name or value containing NUL.
- //----------------------------------------------------------------
- {
- final Map<String,String> m = new ProcessBuilder().environment();
- THROWS(IllegalArgumentException.class,
- new Fun(){void f(){ m.put("FOO=","BAR");}},
- new Fun(){void f(){ m.put("FOO\u0000","BAR");}},
- new Fun(){void f(){ m.put("FOO","BAR\u0000");}});
- }
- //----------------------------------------------------------------
- // Commands must never be null.
- //----------------------------------------------------------------
- THROWS(NullPointerException.class,
- new Fun(){void f(){
- new ProcessBuilder((List<String>)null);}},
- new Fun(){void f(){
- new ProcessBuilder().command((List<String>)null);}});
- //----------------------------------------------------------------
- // Put in a command; get the same one back out.
- //----------------------------------------------------------------
- try {
- List<String> command = new ArrayList<String>();
- ProcessBuilder pb = new ProcessBuilder(command);
- check(pb.command() == command);
- List<String> command2 = new ArrayList<String>(2);
- command2.add("foo");
- command2.add("bar");
- pb.command(command2);
- check(pb.command() == command2);
- pb.command("foo", "bar");
- check(pb.command() != command2 && pb.command().equals(command2));
- pb.command(command2);
- command2.add("baz");
- equal(pb.command().get(2), "baz");
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Commands must contain at least one element.
- //----------------------------------------------------------------
- THROWS(IndexOutOfBoundsException.class,
- new Fun() { void f() throws IOException {
- new ProcessBuilder().start();}},
- new Fun() { void f() throws IOException {
- new ProcessBuilder(new ArrayList<String>()).start();}},
- new Fun() { void f() throws IOException {
- Runtime.getRuntime().exec(new String[]{});}});
- //----------------------------------------------------------------
- // Commands must not contain null elements at start() time.
- //----------------------------------------------------------------
- THROWS(NullPointerException.class,
- new Fun() { void f() throws IOException {
- new ProcessBuilder("foo",null,"bar").start();}},
- new Fun() { void f() throws IOException {
- new ProcessBuilder((String)null).start();}},
- new Fun() { void f() throws IOException {
- new ProcessBuilder(new String[]{null}).start();}},
- new Fun() { void f() throws IOException {
- new ProcessBuilder(new String[]{"foo",null,"bar"}).start();}});
- //----------------------------------------------------------------
- // Command lists are growable.
- //----------------------------------------------------------------
- try {
- new ProcessBuilder().command().add("foo");
- new ProcessBuilder("bar").command().add("foo");
- new ProcessBuilder(new String[]{"1","2"}).command().add("3");
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Nulls in environment updates generate NullPointerException
- //----------------------------------------------------------------
- try {
- final Map<String,String> env = new ProcessBuilder().environment();
- THROWS(NullPointerException.class,
- new Fun(){void f(){ env.put("foo",null);}},
- new Fun(){void f(){ env.put(null,"foo");}},
- new Fun(){void f(){ env.remove(null);}},
- new Fun(){void f(){
- for (Map.Entry<String,String> e : env.entrySet())
- e.setValue(null);}},
- new Fun() { void f() throws IOException {
- Runtime.getRuntime().exec(new String[]{"foo"},
- new String[]{null});}});
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Non-String types in environment updates generate ClassCastException
- //----------------------------------------------------------------
- try {
- final Map<String,String> env = new ProcessBuilder().environment();
- THROWS(ClassCastException.class,
- new Fun(){void f(){ env.remove(TRUE);}},
- new Fun(){void f(){ env.keySet().remove(TRUE);}},
- new Fun(){void f(){ env.values().remove(TRUE);}},
- new Fun(){void f(){ env.entrySet().remove(TRUE);}});
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Check query operations on environment maps
- //----------------------------------------------------------------
- try {
- List<Map<String,String>> envs =
- new ArrayList<Map<String,String>>(2);
- envs.add(System.getenv());
- envs.add(new ProcessBuilder().environment());
- for (final Map<String,String> env : envs) {
- //----------------------------------------------------------------
- // Nulls in environment queries are forbidden.
- //----------------------------------------------------------------
- THROWS(NullPointerException.class,
- new Fun(){void f(){ getenv(null);}},
- new Fun(){void f(){ env.get(null);}},
- new Fun(){void f(){ env.containsKey(null);}},
- new Fun(){void f(){ env.containsValue(null);}},
- new Fun(){void f(){ env.keySet().contains(null);}},
- new Fun(){void f(){ env.values().contains(null);}});
- //----------------------------------------------------------------
- // Non-String types in environment queries are forbidden.
- //----------------------------------------------------------------
- THROWS(ClassCastException.class,
- new Fun(){void f(){ env.get(TRUE);}},
- new Fun(){void f(){ env.containsKey(TRUE);}},
- new Fun(){void f(){ env.containsValue(TRUE);}},
- new Fun(){void f(){ env.keySet().contains(TRUE);}},
- new Fun(){void f(){ env.values().contains(TRUE);}});
- //----------------------------------------------------------------
- // Illegal String values in environment queries are (grumble) OK
- //----------------------------------------------------------------
- equal(env.get("\u0000"), null);
- check(! env.containsKey("\u0000"));
- check(! env.containsValue("\u0000"));
- check(! env.keySet().contains("\u0000"));
- check(! env.values().contains("\u0000"));
- }
- } catch (Throwable t) { unexpected(t); }
- try {
- final Set<Map.Entry<String,String>> entrySet =
- new ProcessBuilder().environment().entrySet();
- THROWS(NullPointerException.class,
- new Fun(){void f(){ entrySet.contains(null);}});
- THROWS(ClassCastException.class,
- new Fun(){void f(){ entrySet.contains(TRUE);}},
- new Fun(){void f(){
- entrySet.contains(
- new SimpleImmutableEntry<Boolean,String>(TRUE,""));}});
- check(! entrySet.contains
- (new SimpleImmutableEntry<String,String>("", "")));
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Put in a directory; get the same one back out.
- //----------------------------------------------------------------
- try {
- ProcessBuilder pb = new ProcessBuilder();
- File foo = new File("foo");
- equal(pb.directory(), null);
- equal(pb.directory(foo).directory(), foo);
- equal(pb.directory(null).directory(), null);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // If round-trip conversion works, check envvar pass-through to child
- //----------------------------------------------------------------
- try {
- testEncoding("ASCII", "xyzzy");
- testEncoding("Latin1", "\u00f1\u00e1");
- testEncoding("Unicode", "\u22f1\u11e1");
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // A surprisingly large number of ways to delete an environment var.
- //----------------------------------------------------------------
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- environ.remove("Foo");}});
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- environ.keySet().remove("Foo");}});
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- environ.values().remove("BAAR");}});
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- // Legally fabricate a ProcessEnvironment.StringEntry,
- // even though it's private.
- Map<String,String> environ2
- = new ProcessBuilder().environment();
- environ2.clear();
- environ2.put("Foo","BAAR");
- // Subtlety alert.
- Map.Entry<String,String> e
- = environ2.entrySet().iterator().next();
- environ.entrySet().remove(e);}});
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- Map.Entry<String,String> victim = null;
- for (Map.Entry<String,String> e : environ.entrySet())
- if (e.getKey().equals("Foo"))
- victim = e;
- if (victim != null)
- environ.entrySet().remove(victim);}});
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- Iterator<String> it = environ.keySet().iterator();
- while (it.hasNext()) {
- String val = it.next();
- if (val.equals("Foo"))
- it.remove();}}});
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- Iterator<Map.Entry<String,String>> it
- = environ.entrySet().iterator();
- while (it.hasNext()) {
- Map.Entry<String,String> e = it.next();
- if (e.getKey().equals("Foo"))
- it.remove();}}});
- testVariableDeleter(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- Iterator<String> it = environ.values().iterator();
- while (it.hasNext()) {
- String val = it.next();
- if (val.equals("BAAR"))
- it.remove();}}});
- //----------------------------------------------------------------
- // A surprisingly small number of ways to add an environment var.
- //----------------------------------------------------------------
- testVariableAdder(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- environ.put("Foo","Bahrein");}});
- //----------------------------------------------------------------
- // A few ways to modify an environment var.
- //----------------------------------------------------------------
- testVariableModifier(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- environ.put("Foo","NewValue");}});
- testVariableModifier(new EnvironmentFrobber() {
- public void doIt(Map<String,String> environ) {
- for (Map.Entry<String,String> e : environ.entrySet())
- if (e.getKey().equals("Foo"))
- e.setValue("NewValue");}});
- //----------------------------------------------------------------
- // Fiddle with environment sizes
- //----------------------------------------------------------------
- try {
- Map<String,String> environ = new ProcessBuilder().environment();
- int size = environ.size();
- checkSizes(environ, size);
- environ.put("UnLiKeLYeNVIROmtNam", "someVal");
- checkSizes(environ, size+1);
- // Check for environment independence
- new ProcessBuilder().environment().clear();
- environ.put("UnLiKeLYeNVIROmtNam", "someOtherVal");
- checkSizes(environ, size+1);
- environ.remove("UnLiKeLYeNVIROmtNam");
- checkSizes(environ, size);
- environ.clear();
- checkSizes(environ, 0);
- environ.clear();
- checkSizes(environ, 0);
- environ = new ProcessBuilder().environment();
- environ.keySet().clear();
- checkSizes(environ, 0);
- environ = new ProcessBuilder().environment();
- environ.entrySet().clear();
- checkSizes(environ, 0);
- environ = new ProcessBuilder().environment();
- environ.values().clear();
- checkSizes(environ, 0);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Check that various map invariants hold
- //----------------------------------------------------------------
- checkMapSanity(new ProcessBuilder().environment());
- checkMapSanity(System.getenv());
- checkMapEquality(new ProcessBuilder().environment(),
- new ProcessBuilder().environment());
- //----------------------------------------------------------------
- // Check effects on external "env" command.
- //----------------------------------------------------------------
- try {
- Set<String> env1 = new HashSet<String>
- (Arrays.asList(nativeEnv((String[])null).split("\n")));
- ProcessBuilder pb = new ProcessBuilder();
- pb.environment().put("QwErTyUiOp","AsDfGhJk");
- Set<String> env2 = new HashSet<String>
- (Arrays.asList(nativeEnv(pb).split("\n")));
- check(env2.size() == env1.size() + 1);
- env1.add("QwErTyUiOp=AsDfGhJk");
- check(env1.equals(env2));
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Test Runtime.exec(...envp...)
- // Check for sort order of environment variables on Windows.
- //----------------------------------------------------------------
- try {
- // '+' < 'A' < 'Z' < '_' < 'a' < 'z' < '~'
- String[]envp = {"FOO=BAR","BAZ=GORP","QUUX=",
- "+=+", "_=_", "~=~"};
- String output = nativeEnv(envp);
- String expected = "+=+\nBAZ=GORP\nFOO=BAR\nQUUX=\n_=_\n~=~\n";
- // On Windows, Java must keep the environment sorted.
- // Order is random on Unix, so this test does the sort.
- if (! Windows.is())
- output = sortByLinesWindowsly(output);
- equal(output, expected);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // System.getenv() must be consistent with System.getenv(String)
- //----------------------------------------------------------------
- try {
- for (Map.Entry<String,String> e : getenv().entrySet())
- equal(getenv(e.getKey()), e.getValue());
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Fiddle with working directory in child
- //----------------------------------------------------------------
- try {
- String canonicalUserDir =
- new File(System.getProperty("user.dir")).getCanonicalPath();
- String[] sdirs = new String[]
- {".", "..", "/", "/bin",
- "C:", "c:", "C:/", "c:\\", "\\", "\\bin" };
- for (String sdir : sdirs) {
- File dir = new File(sdir);
- if (! (dir.isDirectory() && dir.exists()))
- continue;
- out.println("Testing directory " + dir);
- dir = new File(dir.getCanonicalPath());
- ProcessBuilder pb = new ProcessBuilder();
- equal(pb.directory(), null);
- equal(pwdInChild(pb), canonicalUserDir);
- pb.directory(dir);
- equal(pb.directory(), dir);
- equal(pwdInChild(pb), dir.toString());
- pb.directory(null);
- equal(pb.directory(), null);
- equal(pwdInChild(pb), canonicalUserDir);
- pb.directory(dir);
- }
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Windows has tricky semi-case-insensitive semantics
- //----------------------------------------------------------------
- if (Windows.is())
- try {
- out.println("Running case insensitve variable tests");
- for (String[] namePair :
- new String[][]
- { new String[]{"PATH","PaTh"},
- new String[]{"home","HOME"},
- new String[]{"SYSTEMROOT","SystemRoot"}}) {
- check((getenv(namePair[0]) == null &&
- getenv(namePair[1]) == null)
- ||
- getenv(namePair[0]).equals(getenv(namePair[1])),
- "Windows environment variables are not case insensitive");
- }
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Test proper Unicode child environment transfer
- //----------------------------------------------------------------
- if (UnicodeOS.is())
- try {
- ProcessBuilder pb = new ProcessBuilder();
- pb.environment().put("\u1234","\u5678");
- pb.environment().remove("PATH");
- equal(getenvInChild1234(pb), "\u5678");
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Test Runtime.exec(...envp...) with envstrings with initial `='
- //----------------------------------------------------------------
- try {
- List<String> childArgs = new ArrayList<String>(javaChildArgs);
- childArgs.add("System.getenv()");
- String[] cmdp = childArgs.toArray(new String[childArgs.size()]);
- String[] envp = {"=ExitValue=3", "=C:=\\"};
- Process p = Runtime.getRuntime().exec(cmdp, envp);
- String expected = Windows.is() ? "=C:=\\,=ExitValue=3," : "=C:=\\,";
- equal(commandOutput(p), expected);
- if (Windows.is()) {
- ProcessBuilder pb = new ProcessBuilder(childArgs);
- pb.environment().clear();
- pb.environment().put("=ExitValue", "3");
- pb.environment().put("=C:", "\\");
- equal(commandOutput(pb), expected);
- }
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Test Runtime.exec(...envp...) with envstrings without any `='
- //----------------------------------------------------------------
- try {
- String[] cmdp = {"echo"};
- String[] envp = {"Hello", "World"}; // Yuck!
- Process p = Runtime.getRuntime().exec(cmdp, envp);
- equal(commandOutput(p), "\n");
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Test Runtime.exec(...envp...) with envstrings containing NULs
- //----------------------------------------------------------------
- try {
- List<String> childArgs = new ArrayList<String>(javaChildArgs);
- childArgs.add("System.getenv()");
- String[] cmdp = childArgs.toArray(new String[childArgs.size()]);
- String[] envp = {"LC_ALL=C\u0000\u0000", // Yuck!
- "FO\u0000=B\u0000R"};
- Process p = Runtime.getRuntime().exec(cmdp, envp);
- check(commandOutput(p).equals("LC_ALL=C,"),
- "Incorrect handling of envstrings containing NULs");
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Test the redirectErrorStream property
- //----------------------------------------------------------------
- try {
- ProcessBuilder pb = new ProcessBuilder();
- equal(pb.redirectErrorStream(), false);
- equal(pb.redirectErrorStream(true), pb);
- equal(pb.redirectErrorStream(), true);
- equal(pb.redirectErrorStream(false), pb);
- equal(pb.redirectErrorStream(), false);
- } catch (Throwable t) { unexpected(t); }
- try {
- List<String> childArgs = new ArrayList<String>(javaChildArgs);
- childArgs.add("OutErr");
- ProcessBuilder pb = new ProcessBuilder(childArgs);
- {
- ProcessResults r = run(pb.start());
- equal(r.out(), "outout");
- equal(r.err(), "errerr");
- }
- {
- pb.redirectErrorStream(true);
- ProcessResults r = run(pb.start());
- equal(r.out(), "outerrouterr");
- equal(r.err(), "");
- }
- } catch (Throwable t) { unexpected(t); }
- if (! Windows.is() &&
- new File("/bin/true").exists() &&
- new File("/bin/false").exists()) {
- //----------------------------------------------------------------
- // We can find true and false when PATH is null
- //----------------------------------------------------------------
- try {
- List<String> childArgs = new ArrayList<String>(javaChildArgs);
- childArgs.add("null PATH");
- ProcessBuilder pb = new ProcessBuilder(childArgs);
- pb.environment().remove("PATH");
- ProcessResults r = run(pb.start());
- equal(r.out(), "");
- equal(r.err(), "");
- equal(r.exitValue(), 0);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // PATH search algorithm on Unix
- //----------------------------------------------------------------
- try {
- List<String> childArgs = new ArrayList<String>(javaChildArgs);
- childArgs.add("PATH search algorithm");
- ProcessBuilder pb = new ProcessBuilder(childArgs);
- pb.environment().put("PATH", "dir1:dir2:");
- ProcessResults r = run(pb.start());
- equal(r.out(), "");
- equal(r.err(), "");
- equal(r.exitValue(), True.exitValue());
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Parent's, not child's PATH is used
- //----------------------------------------------------------------
- try {
- new File("suBdiR").mkdirs();
- copy("/bin/true", "suBdiR/unliKely");
- final ProcessBuilder pb =
- new ProcessBuilder(new String[]{"unliKely"});
- pb.environment().put("PATH", "suBdiR");
- THROWS(IOException.class,
- new Fun() {void f() throws Throwable {pb.start();}});
- } catch (Throwable t) { unexpected(t);
- } finally {
- new File("suBdiR/unliKely").delete();
- new File("suBdiR").delete();
- }
- }
- //----------------------------------------------------------------
- // Attempt to start bogus program ""
- //----------------------------------------------------------------
- try {
- new ProcessBuilder("").start();
- fail("Expected IOException not thrown");
- } catch (IOException e) {
- String m = e.getMessage();
- if (EnglishUnix.is() &&
- ! matches(m, "No such file or directory"))
- unexpected(e);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Check that attempt to execute program name with funny
- // characters throws an exception containing those characters.
- //----------------------------------------------------------------
- for (String programName : new String[] {"\u00f0", "\u01f0"})
- try {
- new ProcessBuilder(programName).start();
- fail("Expected IOException not thrown");
- } catch (IOException e) {
- String m = e.getMessage();
- Pattern p = Pattern.compile(programName);
- if (! matches(m, programName)
- || (EnglishUnix.is()
- && ! matches(m, "No such file or directory")))
- unexpected(e);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Attempt to start process in nonexistent directory fails.
- //----------------------------------------------------------------
- try {
- new ProcessBuilder("echo")
- .directory(new File("UnLiKeLY"))
- .start();
- fail("Expected IOException not thrown");
- } catch (IOException e) {
- String m = e.getMessage();
- if (! matches(m, "in directory")
- || (EnglishUnix.is() &&
- ! matches(m, "No such file or directory")))
- unexpected(e);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // This would deadlock, if not for the fact that
- // interprocess pipe buffers are at least 4096 bytes.
- //----------------------------------------------------------------
- try {
- List<String> childArgs = new ArrayList<String>(javaChildArgs);
- childArgs.add("print4095");
- Process p = new ProcessBuilder(childArgs).start();
- print4095(p.getOutputStream()); // Might hang!
- p.waitFor(); // Might hang!
- equal(p.exitValue(), 5);
- } catch (Throwable t) { unexpected(t); }
- //----------------------------------------------------------------
- // Attempt to start process with insufficient permissions fails.
- //----------------------------------------------------------------
- try {
- new File("emptyCommand").delete();
- new FileOutputStream("emptyCommand").close();
- new File("emptyCommand").setExecutable(false);
- new ProcessBuilder("./emptyCommand").start();
- fail("Expected IOException not thrown");
- } catch (IOException e) {
- new File("./emptyCommand").delete();
- String m = e.getMessage();
- //e.printStackTrace();
- if (EnglishUnix.is() &&
- ! matches(m, "Permission denied"))
- unexpected(e);
- } catch (Throwable t) { unexpected(t); }
- new File("emptyCommand").delete();
- //----------------------------------------------------------------
- // Check for correct security permission behavior
- //----------------------------------------------------------------
- final Policy policy = new Policy();
- Policy.setPolicy(policy);
- System.setSecurityManager(new SecurityManager());
- try {
- // No permissions required to CREATE a ProcessBuilder
- policy.setPermissions(/* Nothing */);
- new ProcessBuilder("env").directory(null).directory();
- new ProcessBuilder("env").directory(new File("dir")).directory();
- new ProcessBuilder("env").command("??").command();
- } catch (Throwable t) { unexpected(t); }
- THROWS(SecurityException.class,
- new Fun() { void f() throws IOException {
- policy.setPermissions(/* Nothing */);
- System.getenv("foo");}},
- new Fun() { void f() throws IOException {
- policy.setPermissions(/* Nothing */);
- System.getenv();}},
- new Fun() { void f() throws IOException {
- policy.setPermissions(/* Nothing */);
- new ProcessBuilder("echo").start();}},
- new Fun() { void f() throws IOException {
- policy.setPermissions(/* Nothing */);
- Runtime.getRuntime().exec("echo");}},
- new Fun() { void f() throws IOException {
- policy.setPermissions(new RuntimePermission("getenv.bar"));
- System.getenv("foo");}});
- try {
- policy.setPermissions(new RuntimePermission("getenv.foo"));
- System.getenv("foo");
- policy.setPermissions(new RuntimePermission("getenv.*"));
- System.getenv("foo");
- System.getenv();
- new ProcessBuilder().environment();
- } catch (Throwable t) { unexpected(t); }
- final Permission execPermission
- = new FilePermission("<<ALL FILES>>", "execute");
- THROWS(SecurityException.class,
- new Fun() { void f() throws IOException {
- // environment permission by itself insufficient
- policy.setPermissions(new RuntimePermission("getenv.*"));
- ProcessBuilder pb = new ProcessBuilder("env");
- pb.environment().put("foo","bar");
- pb.start();}},
- new Fun() { void f() throws IOException {
- // exec permission by itself insufficient
- policy.setPermissions(execPermission);
- ProcessBuilder pb = new ProcessBuilder("env");
- pb.environment().put("foo","bar");
- pb.start();}});
- try {
- // Both permissions? OK.
- policy.setPermissions(new RuntimePermission("getenv.*"),
- execPermission);
- ProcessBuilder pb = new ProcessBuilder("env");
- pb.environment().put("foo","bar");
- pb.start();
- } catch (IOException e) { // OK
- } catch (Throwable t) { unexpected(t); }
- try {
- // Don't need environment permission unless READING environment
- policy.setPermissions(execPermission);
- Runtime.getRuntime().exec("env", new String[]{});
- } catch (IOException e) { // OK
- } catch (Throwable t) { unexpected(t); }
- try {
- // Don't need environment permission unless READING environment
- policy.setPermissions(execPermission);
- new ProcessBuilder("env").start();
- } catch (IOException e) { // OK
- } catch (Throwable t) { unexpected(t); }
- // Restore "normal" state without a security manager
- policy.setPermissions(new RuntimePermission("setSecurityManager"));
- System.setSecurityManager(null);
- }
- //----------------------------------------------------------------
- // A Policy class designed to make permissions fiddling very easy.
- //----------------------------------------------------------------
- private static class Policy extends java.security.Policy {
- private Permissions perms;
- public void setPermissions(Permission...permissions) {
- perms = new Permissions();
- for (Permission permission : permissions)
- perms.add(permission);
- }
- public Policy() { setPermissions(/* Nothing */); }
- public PermissionCollection getPermissions(CodeSource cs) {
- return perms;
- }
- public PermissionCollection getPermissions(ProtectionDomain pd) {
- return perms;
- }
- public boolean implies(ProtectionDomain pd, Permission p) {
- return perms.implies(p);
- }
- public void refresh() {}
- }
- private static class StreamAccumulator extends Thread {
- private final InputStream is;
- private final StringBuilder sb = new StringBuilder();
- private Throwable throwable = null;
- public String result () throws Throwable {
- if (throwable != null)
- throw throwable;
- return sb.toString();
- }
- StreamAccumulator (InputStream is) {
- this.is = is;
- }
- public void run() {
- try {
- Reader r = new InputStreamReader(is);
- char[] buf = new char[4096];
- int n;
- while ((n = r.read(buf)) > 0) {
- sb.append(buf,0,n);
- }
- } catch (Throwable t) {
- throwable = t;
- }
- }
- }
- private static ProcessResults run(Process p) {
- Throwable throwable = null;
- int exitValue = -1;
- String out = "";
- String err = "";
- StreamAccumulator outAccumulator =
- new StreamAccumulator(p.getInputStream());
- StreamAccumulator errAccumulator =
- new StreamAccumulator(p.getErrorStream());
- try {
- outAccumulator.start();
- errAccumulator.start();
- exitValue = p.waitFor();
- outAccumulator.join();
- errAccumulator.join();
- out = outAccumulator.result();
- err = errAccumulator.result();
- } catch (Throwable t) {
- throwable = t;
- }
- return new ProcessResults(out, err, exitValue, throwable);
- }
- //----------------------------------------------------------------
- // Results of a command
- //----------------------------------------------------------------
- private static class ProcessResults {
- private final String out;
- private final String err;
- private final int exitValue;
- private final Throwable throwable;
- public ProcessResults(String out,
- String err,
- int exitValue,
- Throwable throwable) {
- this.out = out;
- this.err = err;
- this.exitValue = exitValue;
- this.throwable = throwable;
- }
- public String out() { return out; }
- public String err() { return err; }
- public int exitValue() { return exitValue; }
- public Throwable throwable() { return throwable; }
- public String toString() {
- StringBuilder sb = new StringBuilder();
- sb.append("<STDOUT>\n" + out() + "</STDOUT>\n")
- .append("<STDERR>\n" + err() + "</STDERR>\n")
- .append("exitValue = " + exitValue + "\n");
- if (throwable != null)
- sb.append(throwable.getStackTrace());
- return sb.toString();
- }
- }
- //--------------------- Infrastructure ---------------------------
- static volatile int passed = 0, failed = 0;
- static void pass() {passed++;}
- static void fail() {failed++; Thread.dumpStack();}
- static void fail(String msg) {System.out.println(msg); fail();}
- static void unexpected(Throwable t) {failed++; t.printStackTrace();}
- static void check(boolean cond) {if (cond) pass(); else fail();}
- static void check(boolean cond, String m) {if (cond) pass(); else fail(m);}
- static void equal(Object x, Object y) {
- if (x == null ? y == null : x.equals(y)) pass();
- else fail(x + " not equal to " + y);}
- public static void main(String[] args) throws Throwable {
- try {realMain(args);} catch (Throwable t) {unexpected(t);}
- System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
- if (failed > 0) throw new AssertionError("Some tests failed");}
- private static abstract class Fun {abstract void f() throws Throwable;}
- static void THROWS(Class<? extends Throwable> k, Fun... fs) {
- for (Fun f : fs)
- try { f.f(); fail("Expected " + k.getName() + " not thrown"); }
- catch (Throwable t) {
- if (k.isAssignableFrom(t.getClass())) pass();
- else unexpected(t);}}
- }