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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assert ([].join() === "");
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assert ([1].join() === "1");
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assert ([1, 2].join() === "1,2");
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assert ([].join('--') === "");
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assert ([1].join("--") === "1");
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assert ([1, 2].join('--') === "1--2");
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assert ([1,2,3].join({toString: function() { return "--"; }}) === "1--2--3");
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// Join should use 'length' to as the number of elements int the array.
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var lst = [1,2,3,4];
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lst.length = 3;
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assert (lst.join() === [1,2,3].join());
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// Checking 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.join = Array.prototype.join;
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try {
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obj.join();
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// Should not be reached.
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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 join argument fail.
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try {
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[1,2,3].join({toString: function() { throw new ReferenceError ("foo"); }});
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// Should not be reached.
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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 single join element fail.
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try {
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[1, 2, {toString: function() { throw new ReferenceError ("foo"); }}, 4].join();
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// Should not be reached.
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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 join on different object.
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var obj_2 = {};
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obj_2.length = 3;
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obj_2[0] = 1;
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obj_2[1] = 2;
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obj_2[2] = 3;
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obj_2[3] = 4;
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obj_2.join = Array.prototype.join;
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assert (obj_2.join() === "1,2,3");
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