[es6] Partially implement Reflect.getPrototypeOf.

test/mjsunit/harmony/reflect-get-prototype-of.js

-// Copyright 2010 the V8 project authors. All rights reserved.
+// Copyright 2010-2015 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// Tests the Reflect.getPrototypeOf - ES6 26.1.8.
+// This is adapted from mjsunit/get-prototype-of.js.
+
+// Flags: --harmony-reflect
+
+
+
 function assertPrototypeOf(func, expected) {
-  assertEquals(expected, Object.getPrototypeOf(func));
+  assertEquals(expected, Reflect.getPrototypeOf(func));
 }
 
 
 assertThrows(function() {
-  Object.getPrototypeOf(undefined);
+  Reflect.getPrototypeOf(undefined);
 }, TypeError);
 
 
 assertThrows(function() {
-  Object.getPrototypeOf(null);
+  Reflect.getPrototypeOf(null);
 }, TypeError);
 
 
 function F(){};
 var y = new F();
 
 assertPrototypeOf(y, F.prototype);
 assertPrototypeOf(F, Function.prototype);
 
 assertPrototypeOf({x: 5}, Object.prototype);
 assertPrototypeOf({x: 5, __proto__: null}, null);
 
 assertPrototypeOf([1, 2], Array.prototype);
 
 
-assertPrototypeOf(1, Number.prototype);
-assertPrototypeOf(true, Boolean.prototype);
-assertPrototypeOf(false, Boolean.prototype);
-assertPrototypeOf('str', String.prototype);
-assertPrototypeOf(Symbol(), Symbol.prototype);
+assertThrows(function () {
+  Reflect.getPrototypeOf(1);
+}, TypeError);
+assertThrows(function () {
+  Reflect.getPrototypeOf(true);
+}, TypeError);
+assertThrows(function () {
+  Reflect.getPrototypeOf(false);
+}, TypeError);
+assertThrows(function () {
+  Reflect.getPrototypeOf('str');
+}, TypeError);
+assertThrows(function () {
+  Reflect.getPrototypeOf(Symbol());
+}, TypeError);
+
+assertPrototypeOf(Object(1), Number.prototype);
+assertPrototypeOf(Object(true), Boolean.prototype);
+assertPrototypeOf(Object(false), Boolean.prototype);
+assertPrototypeOf(Object('str'), String.prototype);
+assertPrototypeOf(Object(Symbol()), Symbol.prototype);
 
 
 var errorFunctions = [
   EvalError,
   RangeError,
   ReferenceError,
   SyntaxError,
   TypeError,
   URIError,
 ];
@@ skipping 37 matching lines @@
 for (var f of functions) {
   assertPrototypeOf(f, Function.prototype);
   assertPrototypeOf(new f(), f.prototype);
 }
 
 var p = new Promise(function() {});
 assertPrototypeOf(p, Promise.prototype);
 
 var dv = new DataView(new ArrayBuffer());
 assertPrototypeOf(dv, DataView.prototype);