v8/test/mjsunit/large-object-literal-slow-elements.js
Ross McIlroy 5b794a389b [Test] Add PrepareForOptimization to some mjsunit tests.
Bug: v8:8801, v8:8394
Change-Id: I6bb46ecafe1bd94adbf0409f13c9b2e558da0823
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1594558
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Auto-Submit: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61200}
2019-05-03 13:32:32 +00:00

35 lines
1016 B
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 Object literal with large-object elements.
let indices = [];
const max = 0x1ef3e + 100;
for (let i = 0; i < max; i++) {
indices.push(""+i);
}
let source = "return {" + indices.join(":0,") + ":0};"
let largeElementsLiteral = new Function(source);
function TestLargeObjectElements() {
// Corresponds to FixedArray::kMaxRegularLength.
let object = largeElementsLiteral();
%HeapObjectVerify(object);
for (let i = 0; i < max; i++) {
assertEquals(0, object[i]);
}
object[0] = 0xFF;
assertEquals(0xFF, object[0]);
object[1] = 1.23;
assertEquals(1.23, object[1]);
%HeapObjectVerify(object);
}
%PrepareFunctionForOptimization(TestLargeObjectElements);
TestLargeObjectElements();
TestLargeObjectElements();
%OptimizeFunctionOnNextCall(TestLargeObjectElements);
TestLargeObjectElements();