v8/test/mjsunit/compiler/promise-capability-default-closures.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
BUG=v8:8801

Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256
Reviewed-on: https://chromium-review.googlesource.com/c/1495555
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60001}
2019-03-04 12:25:41 +00:00

52 lines
1.3 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
(function() {
var resolve, value;
(new Promise(r => resolve = r)).then(v => value = v);
function foo() { resolve(1); }
%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
setTimeout(_ => assertEquals(1, value));
})();
(function() {
var reject, value;
(new Promise((_, r) => reject = r)).catch(v => value = v);
function foo() { reject(1); }
%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
setTimeout(_ => assertEquals(1, value));
})();
(function() {
var value;
function foo(x) { return new Promise((resolve, reject) => resolve(x)); }
%PrepareFunctionForOptimization(foo);
foo(1);
foo(1);
%OptimizeFunctionOnNextCall(foo);
foo(1).then(v => value = v);
setTimeout(_ => assertEquals(1, value));
})();
(function() {
var value;
function foo(x) { return new Promise((resolve, reject) => reject(x)); }
%PrepareFunctionForOptimization(foo);
foo(1);
foo(1);
%OptimizeFunctionOnNextCall(foo);
foo(1).catch(v => value = v);
setTimeout(_ => assertEquals(1, value));
})();