Péter Gál
eb97860509
The change adds support for the 'in' operation to handle Symbols. JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com
60 lines
1.3 KiB
JavaScript
60 lines
1.3 KiB
JavaScript
/* Copyright JS Foundation and other contributors, http://js.foundation
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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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*/
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var test_symbol = Symbol ('Test');
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var obj = {};
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assert ((test_symbol in obj) === false);
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obj[test_symbol] = 'value';
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assert ((test_symbol in obj) === true);
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assert (obj[test_symbol] === 'value');
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var array = [];
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assert ((test_symbol in array) === false);
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array[test_symbol] = 'value';
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assert ((test_symbol in array) === true);
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assert (array[test_symbol] === 'value');
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assert ((test_symbol in Symbol) === false);
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try {
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test_symbol in test_symbol;
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assert (false);
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} catch (ex) {
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assert (ex instanceof TypeError);
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}
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try {
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test_symbol in 3;
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assert (false);
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} catch (ex) {
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assert (ex instanceof TypeError);
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}
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try {
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test_symbol in 'Test';
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assert (false);
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} catch (ex) {
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assert (ex instanceof TypeError);
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}
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