michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 350621;
michael@0: var summary = 'for-in loops over generator objects';
michael@0: var actual = '';
michael@0: var expect = '';
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc ('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus (summary);
michael@0:  
michael@0:   var LOOPS = 500;
michael@0: 
michael@0:   function gen1() {
michael@0:     for (var a = 1; a <= LOOPS; ++a)
michael@0:       yield;
michael@0:   }
michael@0: 
michael@0:   function gen2() {
michael@0:     for (var b in gen1())
michael@0:       yield;
michael@0:   }
michael@0: 
michael@0:   function test_it(RUNS) {
michael@0:     for (var c = 1; c <= RUNS; ++c) {
michael@0:       var count = 0;
michael@0:       for (var d in gen2()) {
michael@0:         // The next line is needed to demonstrate the bug.
michael@0:         // Note that simply omitting the "x" triggers the bug far less often.
michael@0:         Object("x");
michael@0:         ++count;
michael@0:       }
michael@0:       if (count != LOOPS) {
michael@0:         print("Test run " + c + ": test failed, count = " + count +
michael@0: 	      ", should be " + LOOPS);
michael@0:         var failed = true;
michael@0:       }
michael@0:     }
michael@0:     actual = !failed;
michael@0:     if (!failed)
michael@0:     {
michael@0:       print("Test passed.");
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   expect = true;
michael@0:   test_it(20);
michael@0: 
michael@0:   reportCompare(expect, actual, summary);
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }