Dániel Bátyai 16d0e83b64 Fix adding fast arrays as keys to a weak container (#3362)
Fixes #3359.

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
2019-11-26 08:21:33 +01:00

161 lines
3.1 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 WeakMap();
var k1 = {};
assert (m1.set (k1, 3.14) instanceof WeakMap);
assert (m1.has (k1) === true);
assert (m1.get (k1) === 3.14);
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.set (k1, "asd" + "fgh") instanceof WeakMap);
assert (m1.has (k1) === true);
assert (m1.get (k1) === "asdfgh");
assert (m1.delete ("str") === false);
assert (m1.has (42) === false);
assert (m1.get (42) === undefined);
try {
m1.set (42, 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.set (k1, "frozen") instanceof WeakMap);
assert (m1.has (k1) === true);
assert (m1.get (k1) === "frozen");
k1 = {};
gc ();
var m2 = new WeakMap();
m1.set (k1, "str" + "str");
m2.set (k1, 42.42);
k1 = {};
gc ();
var k2 = {};
m1.set (k1, "str" + "str");
m1.set (k2, "str2" + "str2");
m2.set (k1, 42.42);
m2.set (k2, Infinity);
m2.delete (k1);
gc ();
k1 = {};
k2 = {};
gc ();
var k3 = {};
m1 = new WeakMap();
m1.set(k1, "str" + "str");
m1.set(k2, "str2" + "str2");
m1.set(k3, "str3" + "str3");
k1 = undefined;
k2 = undefined;
k3 = undefined;
m1 = undefined;
gc();
try {
WeakMap();
assert (false);
} catch (e) {
assert (e instanceof TypeError);
}
try {
WeakMap.prototype.get.call({});
assert (false);
} catch (e) {
assert (e instanceof TypeError);
}
assert (new WeakMap(null) instanceof WeakMap);
k1 = {};
k2 = {};
m1 = new WeakMap([[k1, 1.2], [k2, 1.3]]);
assert (m1.has (k1));
assert (m1.has (k2));
assert (m1.get (k1) === 1.2);
assert (m1.get (k2) === 1.3);
gc();
m1 = undefined;
gc();
m1 = new WeakMap();
m1.set(k1, "str");
m1.set(k1, "4");
m1.set(k1, null);
m1.set(k1, 42);
print (m1.has (k1));
k1 = {};
gc();
m1 = new WeakMap();
m1.set(k1, "str");
m1.set(k1, "4");
m1.set(k1, 42);
m1.set(k1, null);
assert (m1.has (k1));
m1 = new WeakMap();
gc();
try {
new WeakMap([[1,2],[3,4]]);
assert (false);
} catch (e) {
assert (e instanceof TypeError);
}
m1.set([], []);
assert (WeakMap.prototype.toString() === "[object WeakMap]");
WeakMap.prototype.set = function () { throw "abrupt set" };
try {
new WeakMap([[{}, 1]]);
assert (false);
} catch (e) {
assert (e === "abrupt set");
}
Object.defineProperty(WeakMap.prototype, 'set', {
get: () => { throw "abrupt set getter" }
});
try {
new WeakMap([]);
assert (false);
} catch (e) {
assert (e === "abrupt set getter");
}