mirror of
https://github.com/jerryscript-project/jerryscript.git
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78 lines
2.1 KiB
JavaScript
78 lines
2.1 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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var array = ["foo", [], Infinity, 4]
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var new_arr = array.concat();
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assert(new_arr.length === array.length)
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for (i = 0; i < array.length; i++) {
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assert(array[i] === new_arr[i]);
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}
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var obj = { concat : Array.prototype.concat };
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var arr1 = ["Apple", 6, "Peach"];
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var arr2 = [obj, "Cherry", "Grape"];
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var new_array = obj.concat(arr1);
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assert(new_array.length === 4);
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assert(new_array[0] === obj);
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assert(new_array[1] === "Apple");
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assert(new_array[2] === 6);
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assert(new_array[3] === "Peach");
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var new_array = arr1.concat(arr2, obj, 1);
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assert(new_array.length === 8);
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assert(new_array[0] === "Apple");
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assert(new_array[1] === 6);
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assert(new_array[2] === "Peach");
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assert(new_array[3] === obj);
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assert(new_array[4] === "Cherry");
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assert(new_array[5] === "Grape");
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assert(new_array[6] === obj);
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assert(new_array[7] === 1);
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var arr1 = [1,2];
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var arr2 = [4,5,6,7,8];
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var arr3 = [,,9,10];
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var arr4 = [];
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var expected = [1,2,4,5,6,7,8,,,9,10];
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var result = arr1.concat(arr2, arr3, arr4);
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assert(result.length === expected.length)
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for (i = 0; i < result.length; i++) {
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assert(result[i] === expected[i]);
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}
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var arr1 = [];
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arr1.length = 2;
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var arr2 = [];
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arr2.length = 3;
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assert(arr1.concat(arr2).length === arr1.length + arr2.length);
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// Checking behavior when unable to get element
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var arr = []
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Object.defineProperty(arr, '0', { 'get' : function () {throw new ReferenceError ("foo"); } });
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arr.length = 1;
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try {
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arr.concat();
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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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