CSE2410 Fall 2014 Bounce

// Copyright 2009 the V8 project authors. All rights reserved.

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

//       notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above

//       copyright notice, this list of conditions and the following

//       disclaimer in the documentation and/or other materials provided

//       with the distribution.

//     * Neither the name of Google Inc. nor the names of its

//       contributors may be used to endorse or promote products derived

//       from this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Test the OS module of d8.  This test only makes sense with d8.  It

// only does non-trivial work on Unix since os.system() is not currently

// implemented on Windows, and even if it were then many of the things

// we are calling would not be available.

function arg_error(str) {

  try {

    eval(str);

  } catch (e) {

    assertTrue(/rgument/.test(e), str);

  }

}

function str_error(str) {

  var e = new Object();

  e.toString = function() { throw new Error("foo bar"); }

  try {

    eval(str);

  } catch (exception) {

    assertTrue(/tring conversion/.test(exception), str);

  }

}

if (this.os && os.system) {

  try {

    // Delete the dir if it is lying around from last time.

    os.system("ls", ["d8-os-test-directory"]);

    os.system("rm", ["-r", "d8-os-test-directory"]);

  } catch (e) {

  }

  os.mkdirp("d8-os-test-directory");

  os.chdir("d8-os-test-directory");

  // Check the chdir worked.

  os.system('ls', ['../d8-os-test-directory']);

  // Simple create dir.

  os.mkdirp("dir");

  // Create dir in dir.

  os.mkdirp("dir/foo");

  // Check that they are there.

  os.system('ls', ['dir/foo']);

  // Check that we can detect when something is not there.

  assertThrows("os.system('ls', ['dir/bar']);", "dir not there");

  // Check that mkdirp makes intermediate directories.

  os.mkdirp("dir2/foo");

  os.system("ls", ["dir2/foo"]);

  // Check that mkdirp doesn't mind if the dir is already there.

  os.mkdirp("dir2/foo");

  os.mkdirp("dir2/foo/");

  // Check that mkdirp can cope with trailing /

  os.mkdirp("dir3/");

  os.system("ls", ["dir3"]);

  // Check that we get an error if the name is taken by a file.

  os.system("sh", ["-c", "echo foo > file1"]);

  os.system("ls", ["file1"]);

  assertThrows("os.mkdirp('file1');", "mkdir over file1");

  assertThrows("os.mkdirp('file1/foo');", "mkdir over file2");

  assertThrows("os.mkdirp('file1/');", "mkdir over file3");

  assertThrows("os.mkdirp('file1/foo/');", "mkdir over file4");

  // Create a dir we cannot read.

  os.mkdirp("dir4", 0);

  // This test fails if you are root since root can read any dir.

  assertThrows("os.chdir('dir4');", "chdir dir4 I");

  os.rmdir("dir4");

  assertThrows("os.chdir('dir4');", "chdir dir4 II");

  // Set umask.

  var old_umask = os.umask(0777);

  // Create a dir we cannot read.

  os.mkdirp("dir5");

  // This test fails if you are root since root can read any dir.

  assertThrows("os.chdir('dir5');", "cd dir5 I");

  os.rmdir("dir5");

  assertThrows("os.chdir('dir5');", "chdir dir5 II");

  os.umask(old_umask);

  os.mkdirp("hest/fisk/../fisk/ged");

  os.system("ls", ["hest/fisk/ged"]);

  os.setenv("FOO", "bar");

  var environment = os.system("printenv");

  assertTrue(/FOO=bar/.test(environment));

  // Check we time out.

  var have_sleep = true;

  var have_echo = true;

  try {

    os.system("ls", ["/bin/sleep"]);

  } catch (e) {

    have_sleep = false;

  }

  try {

    os.system("ls", ["/bin/echo"]);

  } catch (e) {

    have_echo = false;

  }

  if (have_sleep) {

    assertThrows("os.system('sleep', ['2000'], 200);", "sleep 1");

    // Check we time out with total time.

    assertThrows("os.system('sleep', ['2000'], -1, 200);", "sleep 2");

    // Check that -1 means no timeout.

    os.system('sleep', ['1'], -1, -1);

  }

  // Check that we don't fill up the process table with zombies.

  // Disabled because it's too slow.

  if (have_echo) {

    //for (var i = 0; i < 65536; i++) {

      assertEquals("baz\n", os.system("echo", ["baz"]));

    //}

  }

  os.chdir("..");

  os.system("rm", ["-r", "d8-os-test-directory"]);

  // Too few args.

  arg_error("os.umask();");

  arg_error("os.system();");

  arg_error("os.mkdirp();");

  arg_error("os.chdir();");

  arg_error("os.setenv();");

  arg_error("os.rmdir();");

  // Too many args.

  arg_error("os.setenv('FOO=bar');");

  arg_error("os.umask(0, 0);");

  arg_error("os.system('ls', [], -1, -1, -1);");

  arg_error("os.mkdirp('foo', 0, 0)");

  arg_error("os.chdir('foo', 'bar')");

  arg_error("os.rmdir('foo', 'bar');");

  // Wrong kind of args.

  arg_error("os.umask([]);");

  arg_error("os.system('ls', 'foo');");

  arg_error("os.system('ls', 123);");

  arg_error("os.system('ls', [], 'foo');");

  arg_error("os.system('ls', [], -1, 'foo');");

  arg_error("os.mkdirp('foo', 'bar');");

  // Test broken toString().

  str_error("os.system(e);");

  str_error("os.system('ls', [e]);");

  str_error("os.system('ls', ['.', e]);");

  str_error("os.system('ls', [e, '.']);");

  str_error("os.mkdirp(e);");

  str_error("os.setenv(e, 'goo');");

  str_error("os.setenv('goo', e);");

  str_error("os.chdir(e);");

  str_error("os.rmdir(e);");

}