js/src/tests/js1_7/geniter/regress-350621.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_7/geniter/regress-350621.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,63 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +//-----------------------------------------------------------------------------
    1.10 +var BUGNUMBER = 350621;
    1.11 +var summary = 'for-in loops over generator objects';
    1.12 +var actual = '';
    1.13 +var expect = '';
    1.14 +
    1.15 +
    1.16 +//-----------------------------------------------------------------------------
    1.17 +test();
    1.18 +//-----------------------------------------------------------------------------
    1.19 +
    1.20 +function test()
    1.21 +{
    1.22 +  enterFunc ('test');
    1.23 +  printBugNumber(BUGNUMBER);
    1.24 +  printStatus (summary);
    1.25 + 
    1.26 +  var LOOPS = 500;
    1.27 +
    1.28 +  function gen1() {
    1.29 +    for (var a = 1; a <= LOOPS; ++a)
    1.30 +      yield;
    1.31 +  }
    1.32 +
    1.33 +  function gen2() {
    1.34 +    for (var b in gen1())
    1.35 +      yield;
    1.36 +  }
    1.37 +
    1.38 +  function test_it(RUNS) {
    1.39 +    for (var c = 1; c <= RUNS; ++c) {
    1.40 +      var count = 0;
    1.41 +      for (var d in gen2()) {
    1.42 +        // The next line is needed to demonstrate the bug.
    1.43 +        // Note that simply omitting the "x" triggers the bug far less often.
    1.44 +        Object("x");
    1.45 +        ++count;
    1.46 +      }
    1.47 +      if (count != LOOPS) {
    1.48 +        print("Test run " + c + ": test failed, count = " + count +
    1.49 +	      ", should be " + LOOPS);
    1.50 +        var failed = true;
    1.51 +      }
    1.52 +    }
    1.53 +    actual = !failed;
    1.54 +    if (!failed)
    1.55 +    {
    1.56 +      print("Test passed.");
    1.57 +    }
    1.58 +  }
    1.59 +
    1.60 +  expect = true;
    1.61 +  test_it(20);
    1.62 +
    1.63 +  reportCompare(expect, actual, summary);
    1.64 +
    1.65 +  exitFunc ('test');
    1.66 +}

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