mirror of
https://github.com/jerryscript-project/jerryscript.git
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80 lines
2.1 KiB
JavaScript
80 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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assert(array.length === 4);
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assert(array.shift() === "foo");
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assert(array.length === 3);
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var a = array.shift();
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assert(a instanceof Array);
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assert(array.length === 2);
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assert(array.shift() === Infinity);
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assert(array.length === 1);
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assert(array.shift() === 4);
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assert(array.length === 0);
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assert(array.shift() === undefined);
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assert(array.length === 0);
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var referenceErrorThrower = function () {
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throw new ReferenceError ("foo");
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}
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// Checking behavior when unable to get length
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var obj = { shift : Array.prototype.shift };
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Object.defineProperty(obj, 'length', { 'get' : referenceErrorThrower });
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try {
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obj.shift();
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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 set length
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var obj = { shift : Array.prototype.shift };
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Object.defineProperty(obj, 'length', { 'set' : referenceErrorThrower });
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try {
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obj.shift();
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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 no length property defined
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var obj = { shift : Array.prototype.shift };
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assert (obj.length === undefined)
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assert (obj.shift() === undefined)
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assert (obj.length === 0)
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// Checking behavior when unable to get element
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var obj = { shift : Array.prototype.shift, length : 1 };
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Object.defineProperty(obj, '0', { 'get' : referenceErrorThrower });
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try {
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obj.shift();
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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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} |