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PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
87 lines
2.9 KiB
JavaScript
87 lines
2.9 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --turbofan
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function TestSetWithModifiedIterator(ctor) {
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const k1 = {};
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const k2 = {};
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const entries = [k1, k2];
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const arrayIteratorProto = Object.getPrototypeOf(entries[Symbol.iterator]());
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const originalNext = arrayIteratorProto.next;
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let callCount = 0;
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arrayIteratorProto.next = function() {
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callCount++;
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return originalNext.call(this);
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};
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const set = new ctor(entries);
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assertEquals(3, callCount); // +1 for iterator done
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if('size' in set) assertEquals(2, set.size);
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assertTrue(set.has(k1));
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assertTrue(set.has(k2));
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arrayIteratorProto.next = originalNext;
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}
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%PrepareFunctionForOptimization(TestSetWithModifiedIterator);
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%EnsureFeedbackVectorForFunction(assertTrue);
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%EnsureFeedbackVectorForFunction(assertEquals);
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TestSetWithModifiedIterator(Set);
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TestSetWithModifiedIterator(Set);
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TestSetWithModifiedIterator(Set);
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%OptimizeFunctionOnNextCall(TestSetWithModifiedIterator);
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TestSetWithModifiedIterator(Set);
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assertOptimized(TestSetWithModifiedIterator);
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%DeoptimizeFunction(TestSetWithModifiedIterator);
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%PrepareFunctionForOptimization(TestSetWithModifiedIterator);
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TestSetWithModifiedIterator(WeakSet);
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TestSetWithModifiedIterator(WeakSet);
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TestSetWithModifiedIterator(WeakSet);
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%OptimizeFunctionOnNextCall(TestSetWithModifiedIterator);
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TestSetWithModifiedIterator(WeakSet);
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assertOptimized(TestSetWithModifiedIterator);
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%DeoptimizeFunction(TestSetWithModifiedIterator);
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function TestMapWithModifiedIterator(ctor) {
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const k1 = {};
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const k2 = {};
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const entries = [[k1, 1], [k2, 2]];
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const arrayIteratorProto = Object.getPrototypeOf(entries[Symbol.iterator]());
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const originalNext = arrayIteratorProto.next;
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let callCount = 0;
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arrayIteratorProto.next = function() {
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callCount++;
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return originalNext.call(this);
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};
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const set = new ctor(entries);
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assertEquals(3, callCount); // +1 for iterator done
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if('size' in set) assertEquals(2, set.size);
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assertEquals(1, set.get(k1));
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assertEquals(2, set.get(k2));
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arrayIteratorProto.next = originalNext;
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}
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%PrepareFunctionForOptimization(TestMapWithModifiedIterator);
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TestMapWithModifiedIterator(Map);
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TestMapWithModifiedIterator(Map);
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TestMapWithModifiedIterator(Map);
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%OptimizeFunctionOnNextCall(TestMapWithModifiedIterator);
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TestMapWithModifiedIterator(Map);
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assertOptimized(TestMapWithModifiedIterator);
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%DeoptimizeFunction(TestMapWithModifiedIterator);
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%PrepareFunctionForOptimization(TestMapWithModifiedIterator);
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TestMapWithModifiedIterator(WeakMap);
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TestMapWithModifiedIterator(WeakMap);
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TestMapWithModifiedIterator(WeakMap);
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%OptimizeFunctionOnNextCall(TestMapWithModifiedIterator);
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TestMapWithModifiedIterator(WeakMap);
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assertOptimized(TestMapWithModifiedIterator);
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%DeoptimizeFunction(TestMapWithModifiedIterator);
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