// Basic tests for obj.{seal,freeze,preventExtensions,isSealed,isFrozen,isExtensible}. var g = newGlobal({newCompartment: true}); var dbg = new Debugger; var gw = dbg.addDebuggee(g); g.eval("function compareObjects() {\n" + " assertEq(Object.isExtensible(x), Object.isExtensible(y));\n" + " var xnames = Object.getOwnPropertyNames(x).sort();\n" + " var ynames = Object.getOwnPropertyNames(y).sort();\n" + " assertEq(xnames.length, ynames.length);\n" + " for (var i = 0; i < xnames.length; i++) {\n" + " assertEq(xnames[i], ynames[i]);\n" + " var name = xnames[i];\n" + " var xd = Object.getOwnPropertyDescriptor(x, name);\n" + " var yd = Object.getOwnPropertyDescriptor(y, name);\n" + " assertEq(xd.configurable, yd.configurable, code + '.' + name + ' .configurable');\n" + " assertEq(xd.enumerable, yd.enumerable, code + '.' + name + ' .enumerable');\n" + " assertEq(xd.writable, yd.writable, code + '.' + name + ' .writable');\n" + " }\n" + "}\n"); function test(code) { g.code = code; g.eval("x = (" + code + ");"); g.eval("y = (" + code + ");"); var xw = gw.getOwnPropertyDescriptor("x").value; function check() { // The Debugger.Object seal/freeze/preventExtensions methods // had the same effect as the corresponding ES5 Object methods. g.compareObjects(); // The Debugger.Object introspection methods agree with the ES5 Object methods. assertEq(xw.isExtensible(), g.Object.isExtensible(g.x), code + ' isExtensible'); assertEq(xw.isSealed(), g.Object.isSealed(g.x), code + ' isSealed'); assertEq(xw.isFrozen(), g.Object.isFrozen(g.x), code + ' isFrozen'); } check(); xw.preventExtensions(); assertEq(g.Object.isExtensible(g.x), false, code + ' preventExtensions'); g.Object.preventExtensions(g.y); check(); xw.seal(); assertEq(g.Object.isSealed(g.x), true, code + ' seal'); g.Object.seal(g.y); check(); xw.freeze(); assertEq(g.Object.isFrozen(g.x), true, code + ' freeze'); g.Object.freeze(g.y); check(); } test("{}"); test("{a: [1], get b() { return -1; }}"); test("Object.create(null, {x: {value: 3}, y: {get: Math.min}})"); test("[]"); test("[,,,,,]"); test("[0, 1, 2]");