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