mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
161 lines
3.1 KiB
JavaScript
161 lines
3.1 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 m1 = new WeakMap();
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var k1 = {};
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assert (m1.set (k1, 3.14) instanceof WeakMap);
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assert (m1.has (k1) === true);
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assert (m1.get (k1) === 3.14);
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k1 = {};
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gc (); /* This will remove the entry, but there is no way to validate it from js. */
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assert (m1.has (k1) === false);
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assert (m1.delete(k1) === false);
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assert (m1.set (k1, "asd" + "fgh") instanceof WeakMap);
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assert (m1.has (k1) === true);
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assert (m1.get (k1) === "asdfgh");
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assert (m1.delete ("str") === false);
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assert (m1.has (42) === false);
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assert (m1.get (42) === undefined);
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try {
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m1.set (42, 42);
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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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gc ();
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assert (m1.delete(k1) === true);
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gc ();
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assert (m1.has (k1) === false);
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k1 = {};
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gc ();
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Object.freeze(k1);
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assert (m1.set (k1, "frozen") instanceof WeakMap);
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assert (m1.has (k1) === true);
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assert (m1.get (k1) === "frozen");
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k1 = {};
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gc ();
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var m2 = new WeakMap();
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m1.set (k1, "str" + "str");
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m2.set (k1, 42.42);
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k1 = {};
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gc ();
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var k2 = {};
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m1.set (k1, "str" + "str");
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m1.set (k2, "str2" + "str2");
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m2.set (k1, 42.42);
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m2.set (k2, Infinity);
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m2.delete (k1);
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gc ();
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k1 = {};
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k2 = {};
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gc ();
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var k3 = {};
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m1 = new WeakMap();
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m1.set(k1, "str" + "str");
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m1.set(k2, "str2" + "str2");
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m1.set(k3, "str3" + "str3");
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k1 = undefined;
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k2 = undefined;
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k3 = undefined;
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m1 = undefined;
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gc();
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try {
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WeakMap();
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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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try {
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WeakMap.prototype.get.call({});
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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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assert (new WeakMap(null) instanceof WeakMap);
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k1 = {};
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k2 = {};
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m1 = new WeakMap([[k1, 1.2], [k2, 1.3]]);
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assert (m1.has (k1));
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assert (m1.has (k2));
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assert (m1.get (k1) === 1.2);
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assert (m1.get (k2) === 1.3);
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gc();
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m1 = undefined;
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gc();
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m1 = new WeakMap();
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m1.set(k1, "str");
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m1.set(k1, "4");
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m1.set(k1, null);
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m1.set(k1, 42);
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print (m1.has (k1));
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k1 = {};
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gc();
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m1 = new WeakMap();
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m1.set(k1, "str");
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m1.set(k1, "4");
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m1.set(k1, 42);
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m1.set(k1, null);
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assert (m1.has (k1));
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m1 = new WeakMap();
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gc();
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try {
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new WeakMap([[1,2],[3,4]]);
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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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m1.set([], []);
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assert (WeakMap.prototype.toString() === "[object WeakMap]");
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WeakMap.prototype.set = function () { throw "abrupt set" };
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try {
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new WeakMap([[{}, 1]]);
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assert (false);
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} catch (e) {
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assert (e === "abrupt set");
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}
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Object.defineProperty(WeakMap.prototype, 'set', {
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get: () => { throw "abrupt set getter" }
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});
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try {
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new WeakMap([]);
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assert (false);
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} catch (e) {
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assert (e === "abrupt set getter");
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}
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