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 = 383674;
michael@0: var summary = 'Statement that implicitly calls toString should not be optimized away as a "useless expression"';
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:   options("strict");
michael@0:   options("werror");
michael@0: 
michael@0:   expect = 'toString called';
michael@0:   actual = 'toString not called';
michael@0:   try
michael@0:   {
michael@0:     var x = {toString: function() { 
michael@0:         actual = 'toString called'; 
michael@0:         print(actual); 
michael@0:       } 
michael@0:     }; 
michael@0:     var f = function() { var j = x; j + ""; }
michael@0:     f();
michael@0:     reportCompare(expect, actual, summary + ': 1');
michael@0:   }
michael@0:   catch(ex)
michael@0:   {
michael@0:     reportCompare("No Error", ex + "", summary + ': 1');
michael@0:   }
michael@0: 
michael@0:   actual = 'toString not called';
michael@0:   try
michael@0:   {
michael@0:     (function() { const a = 
michael@0:          ({toString: function(){
michael@0:              actual = 'toString called'; print(actual)} }); a += ""; })();
michael@0:     reportCompare(expect, actual, summary + ': 2');
michael@0:   }
michael@0:   catch(ex)
michael@0:   {
michael@0:     reportCompare("No Error", ex + "", summary + ': 2');
michael@0:   }
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }