| // Any copyright is dedicated to the Public Domain. |
| // http://creativecommons.org/licenses/publicdomain/ |
| |
| //----------------------------------------------------------------------------- |
| var BUGNUMBER = 430133; |
| var summary = 'ES5 Object.defineProperty(O, P, Attributes)'; |
| |
| print(BUGNUMBER + ": " + summary); |
| |
| /************** |
| * BEGIN TEST * |
| **************/ |
| |
| var o = []; |
| Object.defineProperty(o, 0, { value: 17 }); |
| var desc = Object.getOwnPropertyDescriptor(o, 0); |
| assertEq(desc !== undefined, true); |
| assertEq(desc.value, 17); |
| assertEq(desc.enumerable, false); |
| assertEq(desc.configurable, false); |
| assertEq(desc.writable, false); |
| |
| desc = Object.getOwnPropertyDescriptor(o, "length"); |
| assertEq(desc !== undefined, true); |
| assertEq(desc.enumerable, false); |
| assertEq(desc.configurable, false); |
| assertEq(desc.writable, true); |
| assertEq(desc.value, 1); |
| assertEq(o.length, 1); |
| |
| Object.defineProperty(o, "foobar", |
| { value: 42, enumerable: false, configurable: true }); |
| assertEq(o.foobar, 42); |
| desc = Object.getOwnPropertyDescriptor(o, "foobar"); |
| assertEq(desc !== undefined, true); |
| assertEq(desc.value, 42); |
| assertEq(desc.configurable, true); |
| assertEq(desc.enumerable, false); |
| assertEq(desc.writable, false); |
| |
| var called = false; |
| o = { set x(a) { called = true; } }; |
| Object.defineProperty(o, "x", { get: function() { return "get"; } }); |
| desc = Object.getOwnPropertyDescriptor(o, "x"); |
| assertEq("set" in desc, true); |
| assertEq("get" in desc, true); |
| assertEq(called, false); |
| o.x = 13; |
| assertEq(called, true); |
| |
| var toSource = Object.prototype.toSource || function() { }; |
| toSource.call(o); // a test for this not crashing |
| |
| var called = false; |
| var o = |
| Object.defineProperty({}, "foo", |
| { get: function() { return 17; }, |
| set: function(v) { called = true; } }); |
| |
| assertEq(o.foo, 17); |
| o.foo = 42; |
| assertEq(called, true); |
| |
| /* |
| * XXX need tests for Object.defineProperty(array, "length", { ... }) when we |
| * support it! |
| */ |
| |
| /******************************************************************************/ |
| |
| if (typeof reportCompare === "function") |
| reportCompare(true, true); |
| |
| print("All tests passed!"); |