michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: 
michael@0: var gTestfile = 'stringify-boxed-primitives.js';
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 584909;
michael@0: var summary = "Stringification of Boolean/String/Number objects";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: function redefine(obj, prop, fun)
michael@0: {
michael@0:   var desc =
michael@0:     { value: fun, writable: true, configurable: true, enumerable: false };
michael@0:   Object.defineProperty(obj, prop, desc);
michael@0: }
michael@0: 
michael@0: assertEq(JSON.stringify(new Boolean(false)), "false");
michael@0: 
michael@0: assertEq(JSON.stringify(new Number(5)), "5");
michael@0: 
michael@0: assertEq(JSON.stringify(new String("foopy")), '"foopy"');
michael@0: 
michael@0: 
michael@0: var numToString = Number.prototype.toString;
michael@0: var numValueOf = Number.prototype.valueOf;
michael@0: var objToString = Object.prototype.toString;
michael@0: var objValueOf = Object.prototype.valueOf;
michael@0: var boolToString = Boolean.prototype.toString;
michael@0: var boolValueOf = Boolean.prototype.valueOf;
michael@0: 
michael@0: redefine(Boolean.prototype, "toString", function() { return 17; });
michael@0: assertEq(JSON.stringify(new Boolean(false)), "false")
michael@0: delete Boolean.prototype.toString;
michael@0: assertEq(JSON.stringify(new Boolean(false)), "false");
michael@0: delete Object.prototype.toString;
michael@0: assertEq(JSON.stringify(new Boolean(false)), "false");
michael@0: delete Boolean.prototype.valueOf;
michael@0: assertEq(JSON.stringify(new Boolean(false)), "false");
michael@0: delete Object.prototype.valueOf;
michael@0: assertEq(JSON.stringify(new Boolean(false)), "false");
michael@0: 
michael@0: 
michael@0: redefine(Boolean.prototype, "toString", boolToString);
michael@0: redefine(Boolean.prototype, "valueOf", boolValueOf);
michael@0: redefine(Object.prototype, "toString", objToString);
michael@0: redefine(Object.prototype, "valueOf", objValueOf);
michael@0: 
michael@0: redefine(Number.prototype, "toString", function() { return 42; });
michael@0: assertEq(JSON.stringify(new Number(5)), "5");
michael@0: redefine(Number.prototype, "valueOf", function() { return 17; });
michael@0: assertEq(JSON.stringify(new Number(5)), "17");
michael@0: delete Number.prototype.toString;
michael@0: assertEq(JSON.stringify(new Number(5)), "17");
michael@0: delete Number.prototype.valueOf;
michael@0: assertEq(JSON.stringify(new Number(5)), "null"); // isNaN(Number("[object Number]"))
michael@0: delete Object.prototype.toString;
michael@0: try
michael@0: {
michael@0:   JSON.stringify(new Number(5));
michael@0:   throw new Error("didn't throw");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true,
michael@0:            "ToNumber failure, should throw TypeError");
michael@0: }
michael@0: delete Object.prototype.valueOf;
michael@0: try
michael@0: {
michael@0:   JSON.stringify(new Number(5));
michael@0:   throw new Error("didn't throw");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true,
michael@0:            "ToNumber failure, should throw TypeError");
michael@0: }
michael@0: 
michael@0: 
michael@0: redefine(Number.prototype, "toString", numToString);
michael@0: redefine(Number.prototype, "valueOf", numValueOf);
michael@0: redefine(Object.prototype, "toString", objToString);
michael@0: redefine(Object.prototype, "valueOf", objValueOf);
michael@0: 
michael@0: 
michael@0: redefine(String.prototype, "valueOf", function() { return 17; });
michael@0: assertEq(JSON.stringify(new String(5)), '"5"');
michael@0: redefine(String.prototype, "toString", function() { return 42; });
michael@0: assertEq(JSON.stringify(new String(5)), '"42"');
michael@0: delete String.prototype.toString;
michael@0: assertEq(JSON.stringify(new String(5)), '"[object String]"');
michael@0: delete Object.prototype.toString;
michael@0: assertEq(JSON.stringify(new String(5)), '"17"');
michael@0: delete String.prototype.valueOf;
michael@0: try
michael@0: {
michael@0:   JSON.stringify(new String(5));
michael@0:   throw new Error("didn't throw");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true,
michael@0:            "ToString failure, should throw TypeError");
michael@0: }
michael@0: delete Object.prototype.valueOf;
michael@0: try
michael@0: {
michael@0:   JSON.stringify(new String(5));
michael@0:   throw new Error("didn't throw");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true,
michael@0:            "ToString failure, should throw TypeError");
michael@0: }
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("All tests passed!");