mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
7e3d688e5b
This patch contains the base functionalities that the new builtin object requires.
Currently unavailable:
- print (Symbol('foo')) - this features requires the refactor of the print handler function
- Several global symbol based builtin routines (follow up patch)
JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
61 lines
1.5 KiB
JavaScript
61 lines
1.5 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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try {
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Symbol.for (Symbol('foo'));
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assert (false);
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} catch (e) {
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assert (e instanceof TypeError)
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}
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var a = Symbol.for ('foo');
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var b = Symbol.for ('foo');
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assert (a === b);
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assert (a == b);
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assert (Symbol.keyFor (a) === 'foo');
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assert (Symbol.keyFor (b) === 'foo');
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// Test non-string arguments
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var c = Symbol.for (5);
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var d = Symbol.for (5.58);
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var e = Symbol.for ({});
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assert (Symbol.keyFor (c) === '5');
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assert (Symbol.keyFor (d) === '5.58');
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assert (Symbol.keyFor (e) === '[object Object]');
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// Test global symbol table
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var array = [];
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for (var i = 0; i < 15; i++) {
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array[i] = Symbol.for ('foo' + i);
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for (var j = 0; j < i; j++) {
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assert (array[j] !== array[i]);
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}
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}
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try {
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Symbol.keyFor ('NonSymbolValue');
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assert (false);
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} catch (e) {
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assert (e instanceof TypeError);
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}
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for (var i = 0; i < 15; i++) {
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assert (Symbol.keyFor (array[i]) === ('foo' + i));
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}
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