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// 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
// Known symbols strict equality.
(function() {
const a = Symbol("a");
const b = Symbol("b");
function foo() { return a === b; }
%PrepareFunctionForOptimization(foo);
assertFalse(foo());
assertFalse(foo());
%OptimizeFunctionOnNextCall(foo);
assertFalse(foo());
})();
// Known symbol on one side strict equality.
(function() {
const a = Symbol("a");
const b = Symbol("b");
function foo(a) { return a === b; }
%PrepareFunctionForOptimization(foo);
assertTrue(foo(b));
assertFalse(foo(a));
assertTrue(foo(b));
assertFalse(foo(a));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(b));
assertFalse(foo(a));
})();
// Feedback based symbol strict equality.
(function() {
const a = Symbol("a");
const b = Symbol("b");
function foo(a, b) { return a === b; }
%PrepareFunctionForOptimization(foo);
assertTrue(foo(b, b));
assertFalse(foo(a, b));
assertTrue(foo(a, a));
assertFalse(foo(b, a));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(a, a));
assertFalse(foo(b, a));
})();
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