v8/test/mjsunit/es6/collections-constructor-iterator-side-effect.js
Camillo Bruni e3e8ea5d65 [flags] Rename --opt to --turbofan
To be consistent with the all the other tiers and avoid confusion, we
rename --opt to ---turbofan, and --always-opt to --always-turbofan.

Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80336}
2022-05-03 12:10:30 +00:00

87 lines
2.9 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 --turbofan
function TestSetWithModifiedIterator(ctor) {
const k1 = {};
const k2 = {};
const entries = [k1, k2];
const arrayIteratorProto = Object.getPrototypeOf(entries[Symbol.iterator]());
const originalNext = arrayIteratorProto.next;
let callCount = 0;
arrayIteratorProto.next = function() {
callCount++;
return originalNext.call(this);
};
const set = new ctor(entries);
assertEquals(3, callCount); // +1 for iterator done
if('size' in set) assertEquals(2, set.size);
assertTrue(set.has(k1));
assertTrue(set.has(k2));
arrayIteratorProto.next = originalNext;
}
%PrepareFunctionForOptimization(TestSetWithModifiedIterator);
%EnsureFeedbackVectorForFunction(assertTrue);
%EnsureFeedbackVectorForFunction(assertEquals);
TestSetWithModifiedIterator(Set);
TestSetWithModifiedIterator(Set);
TestSetWithModifiedIterator(Set);
%OptimizeFunctionOnNextCall(TestSetWithModifiedIterator);
TestSetWithModifiedIterator(Set);
assertOptimized(TestSetWithModifiedIterator);
%DeoptimizeFunction(TestSetWithModifiedIterator);
%PrepareFunctionForOptimization(TestSetWithModifiedIterator);
TestSetWithModifiedIterator(WeakSet);
TestSetWithModifiedIterator(WeakSet);
TestSetWithModifiedIterator(WeakSet);
%OptimizeFunctionOnNextCall(TestSetWithModifiedIterator);
TestSetWithModifiedIterator(WeakSet);
assertOptimized(TestSetWithModifiedIterator);
%DeoptimizeFunction(TestSetWithModifiedIterator);
function TestMapWithModifiedIterator(ctor) {
const k1 = {};
const k2 = {};
const entries = [[k1, 1], [k2, 2]];
const arrayIteratorProto = Object.getPrototypeOf(entries[Symbol.iterator]());
const originalNext = arrayIteratorProto.next;
let callCount = 0;
arrayIteratorProto.next = function() {
callCount++;
return originalNext.call(this);
};
const set = new ctor(entries);
assertEquals(3, callCount); // +1 for iterator done
if('size' in set) assertEquals(2, set.size);
assertEquals(1, set.get(k1));
assertEquals(2, set.get(k2));
arrayIteratorProto.next = originalNext;
}
%PrepareFunctionForOptimization(TestMapWithModifiedIterator);
TestMapWithModifiedIterator(Map);
TestMapWithModifiedIterator(Map);
TestMapWithModifiedIterator(Map);
%OptimizeFunctionOnNextCall(TestMapWithModifiedIterator);
TestMapWithModifiedIterator(Map);
assertOptimized(TestMapWithModifiedIterator);
%DeoptimizeFunction(TestMapWithModifiedIterator);
%PrepareFunctionForOptimization(TestMapWithModifiedIterator);
TestMapWithModifiedIterator(WeakMap);
TestMapWithModifiedIterator(WeakMap);
TestMapWithModifiedIterator(WeakMap);
%OptimizeFunctionOnNextCall(TestMapWithModifiedIterator);
TestMapWithModifiedIterator(WeakMap);
assertOptimized(TestMapWithModifiedIterator);
%DeoptimizeFunction(TestMapWithModifiedIterator);