mirror of
https://github.com/jerryscript-project/jerryscript.git
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65 lines
1.6 KiB
JavaScript
65 lines
1.6 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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// Our own join method if the internal join is not implemented.
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function join(sep)
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{
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sep = sep ? sep : ",";
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var result = "";
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for (var i = 0; i < this.length; ++i) {
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result += this[i];
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if (i + 1 < this.length) {
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result += sep;
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}
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}
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return result;
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}
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// Force fallback to object.prototype.toString()
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Array.prototype.join = 1;
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assert ([1].toString() === "[object Array]");
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Array.prototype.join = join;
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assert ([1, 2].toString() === "1,2");
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var test = [1,2,3];
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test.join = function() { throw ReferenceError ("foo"); };
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try {
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test.toString();
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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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// Test if the join returns a ReferenceError
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var arr = [1,2]
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Object.defineProperty(arr, 'join', { 'get' : function () {throw new ReferenceError ("foo"); } });
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try {
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arr.toString();
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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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