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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
function assertFulfilledWith(expected, thenable) {
assertPromiseResult(thenable, v => assertEquals(expected, v));
}
(function() {
function foo() { return Promise.resolve(); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(undefined, foo());
assertFulfilledWith(undefined, foo());
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(undefined, foo());
})();
(function() {
function foo(x) { return Promise.resolve(x); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(3, foo(3));
assertFulfilledWith(3, foo(3));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(3, foo(3));
})();
(function() {
function foo(x, y) { return Promise.resolve(x, y); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(1, foo(1, 0));
assertFulfilledWith(2, foo(2, 1));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(3, foo(3, 2));
})();
(function() {
function foo(x) { return Promise.resolve({x}); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith({x:1}, foo(1));
assertFulfilledWith({x:2}, foo(2));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith({x:3}, foo(3));
})();
(function() {
function foo(x) { return Promise.resolve(Promise.resolve(x)); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(null, foo(null));
assertFulfilledWith('a', foo('a'));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(42, foo(42));
})();
(function() {
const thenable = new class Thenable {
then(fulfill, reject) {
fulfill(1);
}
};
function foo() { return Promise.resolve(thenable); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(1, foo());
assertFulfilledWith(1, foo());
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(1, foo());
})();
(function() {
const MyPromise = class MyPromise extends Promise {};
(function() {
function foo() { return MyPromise.resolve(); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(undefined, foo());
assertFulfilledWith(undefined, foo());
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(undefined, foo());
})();
(function() {
function foo(x) { return MyPromise.resolve(x); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(3, foo(3));
assertFulfilledWith(3, foo(3));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(3, foo(3));
})();
(function() {
function foo(x, y) { return MyPromise.resolve(x, y); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(1, foo(1, 0));
assertFulfilledWith(2, foo(2, 1));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(3, foo(3, 2));
})();
(function() {
function foo(x) { return MyPromise.resolve({x}); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith({x:1}, foo(1));
assertFulfilledWith({x:2}, foo(2));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith({x:3}, foo(3));
})();
(function() {
function foo(x) { return MyPromise.resolve(Promise.resolve(x)); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(null, foo(null));
assertFulfilledWith('a', foo('a'));
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(42, foo(42));
})();
(function() {
const thenable = new class Thenable {
then(fulfill, reject) {
fulfill(1);
}
};
function foo() { return MyPromise.resolve(thenable); }
%PrepareFunctionForOptimization(foo);
assertFulfilledWith(1, foo());
assertFulfilledWith(1, foo());
%OptimizeFunctionOnNextCall(foo);
assertFulfilledWith(1, foo());
})();
})();
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