mirror of
https://github.com/jerryscript-project/jerryscript.git
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71 lines
2.0 KiB
JavaScript
71 lines
2.0 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 = [54, undefined, "Lemon", -127];
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var array1 = array.slice();
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var array2 = array.slice("a", "3");
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var array3 = array.slice(-2);
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var array4 = array.slice(-12, undefined);
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var array5 = array.slice(undefined, -3);
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assert (array1.length == 4);
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assert (array1[0] == 54);
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assert (array1[1] == undefined);
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assert (array1[2] == "Lemon");
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assert (array1[3] == -127);
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assert (array2.length == 3);
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assert (array2[0] == 54);
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assert (array2[1] == undefined);
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assert (array2[2] == "Lemon");
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assert (array3.length == 2);
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assert (array3[0] == "Lemon");
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assert (array3[1] == -127);
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assert (array4.length == 4);
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assert (array4[0] == 54);
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assert (array4[1] == undefined);
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assert (array4[2] == "Lemon");
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assert (array4[3] == -127);
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assert (array5.length == 1);
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assert (array5[0] == 54);
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// Checking behavior when unable to get length
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var obj = { slice : Array.prototype.slice };
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Object.defineProperty(obj, 'length', { 'get' : function () { throw new ReferenceError ("foo"); } });
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try {
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obj.slice(1, 2);
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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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// Checking behavior when unable to get element
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var obj = { length : 1, slice : Array.prototype.slice };
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Object.defineProperty(obj, '0', { 'get' : function () { throw new ReferenceError ("foo"); } });
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try {
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obj.slice(0, 1);
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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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