Remove runtime flags for Proxy and Reflect

test/mjsunit/harmony/proxies-get-own-property-descriptor.js

-// Copyright 2015 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --harmony-proxies
-
-var target = {};
-var configurable_desc = {
-  value: 123,
-  configurable: true,
-  writable: true,
-  enumerable: false,
-};
-Object.defineProperty(target, "configurable", configurable_desc);
-var nonconfigurable_desc = {
-  value: 234,
-  configurable: false,
-  writable: false,
-  enumerable: true
-}
-Object.defineProperty(target, "nonconfigurable", nonconfigurable_desc);
-
-var proxied_desc = {
-  value: 345,
-  configurable: true
-};
-
-var handler = {
-  "getOwnPropertyDescriptor": function(target, name) {
-    if (name === "proxied") {
-      return proxied_desc;
-    }
-    if (name === "return_null") {
-      return null;
-    }
-    return Object.getOwnPropertyDescriptor(target, name);
-  }
-};
-
-var proxy = new Proxy(target, handler);
-var proxy_without_handler = new Proxy(target, {});
-
-// Checking basic functionality:
-
-assertEquals(configurable_desc,
-             Object.getOwnPropertyDescriptor(proxy, "configurable"));
-assertEquals(nonconfigurable_desc,
-             Object.getOwnPropertyDescriptor(proxy, "nonconfigurable"));
-assertEquals({ value: proxied_desc.value,
-               configurable: proxied_desc.configurable,
-               enumerable: false,
-               writable: false },
-             Object.getOwnPropertyDescriptor(proxy, "proxied"));
-assertEquals(configurable_desc,
-             Object.getOwnPropertyDescriptor(proxy_without_handler,
-                                             "configurable"));
-assertEquals(nonconfigurable_desc,
-             Object.getOwnPropertyDescriptor(proxy_without_handler,
-                                             "nonconfigurable"));
-
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "return_null")');
-
-handler.getOwnPropertyDescriptor = undefined;
-assertEquals(configurable_desc,
-             Object.getOwnPropertyDescriptor(proxy, "configurable"));
-
-// Checking invariants mentioned explicitly by the ES spec:
-
-// (Inv-1) "A property cannot be reported as non-existent, if it exists as a
-// non-configurable own property of the target object."
-handler.getOwnPropertyDescriptor = function(target, name) { return undefined; };
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "nonconfigurable")');
-assertEquals(undefined, Object.getOwnPropertyDescriptor(proxy, "configurable"));
-
-// (Inv-2) "A property cannot be reported as non-configurable, if it does not
-// exist as an own property of the target object or if it exists as a
-// configurable own property of the target object."
-handler.getOwnPropertyDescriptor = function(target, name) {
-  return {value: 234, configurable: false, enumerable: true};
-};
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "nonexistent")');
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "configurable")');
-assertEquals(
-    false,
-    Object.getOwnPropertyDescriptor(proxy, "nonconfigurable").configurable);
-
-// (Inv-3) "A property cannot be reported as non-existent, if it exists as an
-// own property of the target object and the target object is not extensible."
-Object.seal(target);
-handler.getOwnPropertyDescriptor = function(target, name) { return undefined; };
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "configurable")');
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "nonconfigurable")');
-assertEquals(undefined, Object.getOwnPropertyDescriptor(proxy, "nonexistent"));
-
-// (Inv-4) "A property cannot be reported as existent, if it does not exist as
-// an own property of the target object and the target object is not
-// extensible."
-var existent_desc = {value: "yes"};
-handler.getOwnPropertyDescriptor = function() { return existent_desc; };
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "nonexistent")');
-assertEquals(
-    {value: "yes", writable: false, enumerable: false, configurable: false},
-    Object.getOwnPropertyDescriptor(proxy, "configurable"));
-
-// Checking individual bailout points in the implementation:
-
-// Step 6: Trap is not callable.
-handler.getOwnPropertyDescriptor = {};
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "configurable")');
-
-// Step 8: Trap throws.
-handler.getOwnPropertyDescriptor = function() { throw "ball"; };
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "configurable")');
-
-// Step 9: Trap result is neither undefined nor an object.
-handler.getOwnPropertyDescriptor = function() { return 1; }
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "configurable")');
-
-// Step 11b: See (Inv-1) above.
-// Step 11e: See (Inv-3) above.
-
-// Step 16: Incompatible PropertyDescriptor; a non-configurable property
-// cannot be reported as configurable. (Inv-4) above checks more cases.
-handler.getOwnPropertyDescriptor = function(target, name) {
-  return {value: 456, configurable: true, writable: true}
-};
-assertThrows('Object.getOwnPropertyDescriptor(proxy, "nonconfigurable")');
-
-// Step 17: See (Inv-2) above.