v8/test/mjsunit/compiler/osr-forin.js
Z Duong Nguyen-Huu 9d2f267f42 Improve test coverage for non-extensible array when possible
Bug: v8:6831
Change-Id: I7d51a49dfbf2e5a1fa2675fe0d70bb4091a4db78
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1544274
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#60611}
2019-04-03 16:32:01 +00:00

43 lines
724 B
JavaScript

// Copyright 2015 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: --use-osr
function f(a) {
var sum = 0;
for (var j in a) {
var i = a[j];
var x = i + 2;
var y = x + 5;
var z = y + 3;
sum += z;
}
return sum;
}
function test(a) {
for (var i = 0; i < 10000; i++) {
a[i] = (i * 999) % 77;
}
for (var i = 0; i < 3; i++) {
console.log(f(a));
assertEquals(480270, f(a));
}
}
var a = new Array(10000);
test(a);
// Non-extensible
var b = Object.preventExtensions(a);
test(b);
// Sealed
var c = Object.seal(a);
test(c);
// Frozen
var d = Object.freeze(a);
test(d);