v8/test/mjsunit/compiler/array-constructor.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

110 lines
2.9 KiB
JavaScript

// Copyright 2017 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
// Test Array call with known Boolean.
(() => {
function foo(x) { return Array(!!x); }
%PrepareFunctionForOptimization(foo);
assertEquals([true], foo(true));
assertEquals([false], foo(false));
%OptimizeFunctionOnNextCall(foo);
assertEquals([true], foo(true));
assertEquals([false], foo(false));
})();
// Test Array construct with known Boolean.
(() => {
function foo(x) { return new Array(!!x); }
%PrepareFunctionForOptimization(foo);
assertEquals([true], foo(true));
assertEquals([false], foo(false));
%OptimizeFunctionOnNextCall(foo);
assertEquals([true], foo(true));
assertEquals([false], foo(false));
})();
// Test Array call with known String.
(() => {
function foo(x) { return Array("" + x); }
%PrepareFunctionForOptimization(foo);
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
%OptimizeFunctionOnNextCall(foo);
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
})();
// Test Array construct with known String.
(() => {
function foo(x) { return new Array("" + x); }
%PrepareFunctionForOptimization(foo);
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
%OptimizeFunctionOnNextCall(foo);
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
})();
// Test Array call with known fixed small integer.
(() => {
function foo() { return Array(2); }
%PrepareFunctionForOptimization(foo);
assertEquals(2, foo().length);
assertEquals(2, foo().length);
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo().length);
})();
// Test Array construct with known fixed small integer.
(() => {
function foo() { return new Array(2); }
%PrepareFunctionForOptimization(foo);
assertEquals(2, foo().length);
assertEquals(2, foo().length);
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo().length);
})();
// Test Array call with multiple parameters.
(() => {
function foo(x, y, z) { return Array(x, y, z); }
%PrepareFunctionForOptimization(foo);
assertEquals([1, 2, 3], foo(1, 2, 3));
assertEquals([1, 2, 3], foo(1, 2, 3));
%OptimizeFunctionOnNextCall(foo);
assertEquals([1, 2, 3], foo(1, 2, 3));
})();
// Test Array construct with multiple parameters.
(() => {
function foo(x, y, z) { return new Array(x, y, z); }
%PrepareFunctionForOptimization(foo);
assertEquals([1, 2, 3], foo(1, 2, 3));
assertEquals([1, 2, 3], foo(1, 2, 3));
%OptimizeFunctionOnNextCall(foo);
assertEquals([1, 2, 3], foo(1, 2, 3));
})();
// Test Array construct inside try-catch block.
(() => {
function foo(x) { try { return new Array(x) } catch (e) { return e } }
%PrepareFunctionForOptimization(foo);
assertEquals([], foo(0));
assertEquals([], foo(0));
%OptimizeFunctionOnNextCall(foo);
assertEquals([], foo(0));
assertInstanceof(foo(-1), RangeError);
})();