michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 987243;
michael@0: var summary = "Don't use .call(...) in the self-hosted Map.prototype.forEach";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: var functionCall = Function.prototype.call;
michael@0: 
michael@0: function throwSyntaxError()
michael@0: {
michael@0:   throw new SyntaxError("Function.prototype.call incorrectly called");
michael@0: }
michael@0: 
michael@0: function lalala() {}
michael@0: 
michael@0: Function.prototype.call = throwSyntaxError;
michael@0: 
michael@0: new Map().forEach(throwSyntaxError);
michael@0: new Map([[1, 2]]).forEach(lalala);
michael@0: new Map([[1, 2], [3, 4]]).forEach(lalala);
michael@0: 
michael@0: Function.prototype.call = function() { this.set(42, "fnord"); };
michael@0: 
michael@0: new Map().forEach(throwSyntaxError);
michael@0: new Map([[1, 2]]).forEach(lalala);
michael@0: new Map([[1, 2], [3, 4]]).forEach(lalala);
michael@0: 
michael@0: var callCount = 0;
michael@0: Function.prototype.call = function() { callCount++; };
michael@0: 
michael@0: new Map().forEach(throwSyntaxError);
michael@0: new Map([[1, 2]]).forEach(lalala);
michael@0: new Map([[1, 2], [3, 4]]).forEach(lalala);
michael@0: 
michael@0: assertEq(callCount, 0);
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete");