mirror of
https://github.com/nodejs/node.git
synced 2025-05-16 00:11:20 +00:00
12a1b9b804
PR-URL: https://github.com/nodejs/node/pull/19201 Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax --opt
|
|
|
|
function TestSetWithCustomIterator(ctor) {
|
|
const k1 = {};
|
|
const k2 = {};
|
|
const entries = [k1];
|
|
let callCount = 0;
|
|
entries[Symbol.iterator] = () => ({
|
|
next: () =>
|
|
callCount++ === 0
|
|
? { value: k2, done: false }
|
|
: { done: true }
|
|
});
|
|
const set = new ctor(entries);
|
|
assertFalse(set.has(k1));
|
|
assertTrue(set.has(k2));
|
|
assertEquals(2, callCount);
|
|
}
|
|
TestSetWithCustomIterator(Set);
|
|
TestSetWithCustomIterator(Set);
|
|
TestSetWithCustomIterator(Set);
|
|
%OptimizeFunctionOnNextCall(TestSetWithCustomIterator);
|
|
TestSetWithCustomIterator(Set);
|
|
assertOptimized(TestSetWithCustomIterator);
|
|
|
|
TestSetWithCustomIterator(WeakSet);
|
|
TestSetWithCustomIterator(WeakSet);
|
|
TestSetWithCustomIterator(WeakSet);
|
|
%OptimizeFunctionOnNextCall(TestSetWithCustomIterator);
|
|
TestSetWithCustomIterator(WeakSet);
|
|
assertOptimized(TestSetWithCustomIterator);
|
|
|
|
function TestMapWithCustomIterator(ctor) {
|
|
const k1 = {};
|
|
const k2 = {};
|
|
const entries = [[k1, 1]];
|
|
let callCount = 0;
|
|
entries[Symbol.iterator] = () => ({
|
|
next: () =>
|
|
callCount++ === 0
|
|
? { value: [k2, 2], done: false }
|
|
: { done: true }
|
|
});
|
|
const map = new ctor(entries);
|
|
assertFalse(map.has(k1));
|
|
assertEquals(2, map.get(k2));
|
|
assertEquals(2, callCount);
|
|
}
|
|
TestMapWithCustomIterator(Map);
|
|
TestMapWithCustomIterator(Map);
|
|
TestMapWithCustomIterator(Map);
|
|
%OptimizeFunctionOnNextCall(TestMapWithCustomIterator);
|
|
TestMapWithCustomIterator(Map);
|
|
assertOptimized(TestMapWithCustomIterator);
|
|
|
|
TestMapWithCustomIterator(WeakMap);
|
|
TestMapWithCustomIterator(WeakMap);
|
|
TestMapWithCustomIterator(WeakMap);
|
|
%OptimizeFunctionOnNextCall(TestMapWithCustomIterator);
|
|
TestMapWithCustomIterator(WeakMap);
|
|
assertOptimized(TestMapWithCustomIterator);
|