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Kmake/deps/v8/test/mjsunit/shared-memory/optimize-non-instance.js
2026-05-26 23:36:42 -07:00

43 lines
1.4 KiB
JavaScript

// Copyright 2023 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: --harmony-struct --allow-natives-syntax
function Foo() {}
function TestInstanceOfMutex() {
return Foo instanceof Atomics.Mutex;
}
function TestInstanceOfCondition() {
return Foo instanceof Atomics.Condition;
}
function TestInstanceOfSharedArray() {
return Foo instanceof SharedArray;
}
function TestInstanceOfSharedStruct() {
return Foo instanceof (new SharedStructType(["foo"]));
}
%PrepareFunctionForOptimization(TestInstanceOfMutex);
%PrepareFunctionForOptimization(TestInstanceOfCondition);
%PrepareFunctionForOptimization(TestInstanceOfSharedArray);
%PrepareFunctionForOptimization(TestInstanceOfSharedStruct);
for (let i = 0; i < 10; i++) {
assertFalse(TestInstanceOfMutex());
assertFalse(TestInstanceOfCondition());
assertFalse(TestInstanceOfSharedArray());
assertFalse(TestInstanceOfSharedStruct());
}
%OptimizeFunctionOnNextCall(TestInstanceOfMutex);
%OptimizeFunctionOnNextCall(TestInstanceOfCondition);
%OptimizeFunctionOnNextCall(TestInstanceOfSharedArray);
%OptimizeFunctionOnNextCall(TestInstanceOfSharedStruct);
assertFalse(TestInstanceOfMutex());
assertFalse(TestInstanceOfCondition());
assertFalse(TestInstanceOfSharedArray());
assertFalse(TestInstanceOfSharedStruct());