mirror of
https://github.com/jerryscript-project/jerryscript.git
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106 lines
2.8 KiB
JavaScript
106 lines
2.8 KiB
JavaScript
// Copyright 2015 Samsung Electronics Co., Ltd.
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// Copyright 2015 University of Szeged.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// helper function - simple implementation
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Array.prototype.equals = function (array) {
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if (this.length != array.length)
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return false;
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for (var i = 0; i < this.length; i++) {
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if (this[i] instanceof Array && array[i] instanceof Array) {
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if (!this[i].equals(array[i]))
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return false;
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}
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else if (this[i] != array[i]) {
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return false;
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}
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}
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return true;
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}
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// check function type
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try {
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[0].map(new Object());
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assert(false);
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} catch(e) {
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assert(e instanceof TypeError);
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}
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// various checks
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assert ([1, 4, 9].map(Math.sqrt).equals([1, 2, 3]));
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assert (isNaN([1, 4, "X"].map(Number)[2]));
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var func = function(val, idx) {
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return val + idx;
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};
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assert ([1, 4, 9].map(func).equals([1,5,11]));
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assert ([1, "X", 10].map(func).equals([1, "X1", 12]));
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var arr = [1,2,3];
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arr.length = 5;
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assert(arr.map(func).length === arr.length);
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var long_array = [0, 1];
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assert (long_array.map(func).equals([0,2]));
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long_array[100] = 1;
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assert (long_array.map(func).equals([0,2,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,101]));
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// check behavior when unable to get length
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var obj = {};
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Object.defineProperty(obj, 'length', { 'get' : function () {throw new ReferenceError ("foo"); } });
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obj.map = Array.prototype.map;
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try {
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obj.map(func);
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assert(false);
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} catch (e) {
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assert(e.message === "foo");
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assert(e instanceof ReferenceError);
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}
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// check behavior when unable to get element
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var obj = {}
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obj.length = 1;
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Object.defineProperty(obj, '0', { 'get' : function () {throw new ReferenceError ("foo"); } });
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obj.map = Array.prototype.map
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try {
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obj.map(func);
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assert(false);
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} catch (e) {
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assert(e.message === "foo");
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assert(e instanceof ReferenceError);
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}
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// check thisArg
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var thisArg = {add: 10};
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var func2 = function(value) {
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return this.add + value;
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}
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assert([1,2].map(func2, thisArg).equals([11, 12]));
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// check passed Object
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var array_example = [1,2];
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Object.defineProperty(array_example, 'const', { 'get' : function () {return "CT";} });
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var func3 = function(value, idx, thisobj) {
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return value * idx + thisobj.const;
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}
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assert(array_example.map(func3).equals(["0CT", "2CT"]));
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