mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
145 lines
2.7 KiB
JavaScript
145 lines
2.7 KiB
JavaScript
/* Copyright JS Foundation and other contributors, http://js.foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
var m1 = new WeakSet();
|
|
|
|
var k1 = {};
|
|
assert (m1.add (k1) instanceof WeakSet);
|
|
assert (m1.has (k1) === true);
|
|
|
|
k1 = {};
|
|
gc (); /* This will remove the entry, but there is no way to validate it from js. */
|
|
|
|
assert (m1.has (k1) === false);
|
|
assert (m1.delete(k1) === false);
|
|
assert (m1.add (k1) instanceof WeakSet);
|
|
assert (m1.has (k1) === true);
|
|
|
|
assert (m1.delete ("str") === false);
|
|
assert (m1.has (42) === false);
|
|
|
|
try {
|
|
m1.add (42);
|
|
assert (false);
|
|
} catch (e) {
|
|
assert (e instanceof TypeError);
|
|
}
|
|
|
|
gc ();
|
|
assert (m1.delete(k1) === true);
|
|
gc ();
|
|
assert (m1.has (k1) === false);
|
|
k1 = {};
|
|
gc ();
|
|
|
|
Object.freeze(k1);
|
|
assert (m1.add (k1) instanceof WeakSet);
|
|
assert (m1.has (k1) === true);
|
|
k1 = {};
|
|
gc ();
|
|
|
|
var m2 = new WeakSet();
|
|
|
|
k1 = {};
|
|
gc ();
|
|
var k2 = {};
|
|
|
|
m1.add (k1);
|
|
m1.add (k2);
|
|
m2.add (k1);
|
|
m2.add (k2);
|
|
|
|
m2.delete (k1);
|
|
gc ();
|
|
k1 = {};
|
|
k2 = {};
|
|
gc ();
|
|
|
|
new WeakSet().add(new WeakSet().add(new WeakSet().add(new WeakSet().add(new WeakSet().add(new WeakSet().add(new WeakSet()))))));
|
|
gc();
|
|
|
|
try {
|
|
WeakSet();
|
|
assert (false);
|
|
} catch (e) {
|
|
assert (e instanceof TypeError);
|
|
}
|
|
|
|
try {
|
|
WeakSet.prototype.get.call({});
|
|
assert (false);
|
|
} catch (e) {
|
|
assert (e instanceof TypeError);
|
|
}
|
|
|
|
assert (new WeakSet(null) instanceof WeakSet);
|
|
|
|
k1 = {};
|
|
k2 = {};
|
|
m1 = new WeakSet([k1, k2]);
|
|
assert (m1.has (k1));
|
|
assert (m1.has (k2));
|
|
gc();
|
|
m1 = undefined;
|
|
gc();
|
|
|
|
m1 = new WeakSet();
|
|
k1 = {};
|
|
m1.add (k1);
|
|
m1.add (k1);
|
|
m1.add (k1);
|
|
assert (m1.has (k1));
|
|
k1 = {};
|
|
gc();
|
|
|
|
m1 = new WeakSet();
|
|
m1.add (k1);
|
|
m1.add (k1);
|
|
m1.add (k1);
|
|
assert (m1.has (k1));
|
|
m1 = new WeakSet();
|
|
gc();
|
|
|
|
try {
|
|
new WeakSet([1,2,3,4]);
|
|
assert (false);
|
|
} catch (e) {
|
|
assert (e instanceof TypeError);
|
|
}
|
|
|
|
m1.add([]);
|
|
|
|
assert (WeakSet.prototype.toString() === "[object WeakSet]");
|
|
|
|
WeakSet.prototype.add = function () { throw "abrupt add" };
|
|
|
|
try {
|
|
new WeakSet([{}]);
|
|
assert (false);
|
|
} catch (e) {
|
|
assert (e === "abrupt add");
|
|
}
|
|
|
|
Object.defineProperty(WeakSet.prototype, 'add', {
|
|
get: () => { throw "abrupt add getter" }
|
|
});
|
|
|
|
try {
|
|
new WeakSet([]);
|
|
assert (false);
|
|
} catch (e) {
|
|
assert (e === "abrupt add getter");
|
|
}
|