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138 lines
3.7 KiB
138 lines
3.7 KiB
9 years ago
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// Copyright 2010-2015 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Tests the Reflect.getPrototypeOf - ES6 26.1.8.
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// This is adapted from mjsunit/get-prototype-of.js.
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function assertPrototypeOf(func, expected) {
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assertEquals(expected, Reflect.getPrototypeOf(func));
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}
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assertThrows(function() {
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Reflect.getPrototypeOf(undefined);
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}, TypeError);
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assertThrows(function() {
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Reflect.getPrototypeOf(null);
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}, TypeError);
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function F(){};
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var y = new F();
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assertPrototypeOf(y, F.prototype);
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assertPrototypeOf(F, Function.prototype);
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assertPrototypeOf({x: 5}, Object.prototype);
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assertPrototypeOf({x: 5, __proto__: null}, null);
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assertPrototypeOf([1, 2], Array.prototype);
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assertThrows(function () {
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Reflect.getPrototypeOf(1);
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}, TypeError);
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assertThrows(function () {
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Reflect.getPrototypeOf(true);
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}, TypeError);
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assertThrows(function () {
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Reflect.getPrototypeOf(false);
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}, TypeError);
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assertThrows(function () {
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Reflect.getPrototypeOf('str');
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}, TypeError);
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assertThrows(function () {
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Reflect.getPrototypeOf(Symbol());
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}, TypeError);
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assertPrototypeOf(Object(1), Number.prototype);
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assertPrototypeOf(Object(true), Boolean.prototype);
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assertPrototypeOf(Object(false), Boolean.prototype);
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assertPrototypeOf(Object('str'), String.prototype);
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assertPrototypeOf(Object(Symbol()), Symbol.prototype);
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var errorFunctions = [
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EvalError,
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RangeError,
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ReferenceError,
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SyntaxError,
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TypeError,
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URIError,
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];
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for (var f of errorFunctions) {
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assertPrototypeOf(f, Error);
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assertPrototypeOf(new f(), f.prototype);
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}
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// Builtin constructors.
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var functions = [
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Array,
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ArrayBuffer,
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Boolean,
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// DataView,
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Date,
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Error,
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// Float32Array, prototype is %TypedArray%
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// Float64Array,
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Function,
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// Int16Array,
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// Int32Array,
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// Int8Array,
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Map,
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Number,
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Object,
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// Promise,
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RegExp,
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Set,
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String,
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// Symbol, not constructible
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9 years ago
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// Uint16Array,
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// Uint32Array,
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// Uint8Array,
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// Uint8ClampedArray,
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9 years ago
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WeakMap,
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WeakSet,
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];
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for (var f of functions) {
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assertPrototypeOf(f, Function.prototype);
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assertPrototypeOf(new f(), f.prototype);
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}
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var p = new Promise(function() {});
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assertPrototypeOf(p, Promise.prototype);
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var dv = new DataView(new ArrayBuffer());
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assertPrototypeOf(dv, DataView.prototype);
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