087ae1b08a
The maximum valid index is strictly smaller than the maximum valid length. BUG=chromium:516592 LOG=y R=yangguo@chromium.org Review URL: https://codereview.chromium.org/1278703003 Cr-Commit-Position: refs/heads/master@{#30040}
48 lines
2.0 KiB
JavaScript
48 lines
2.0 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
var pow30 = Math.pow(2, 30);
|
|
var pow31 = Math.pow(2, 31);
|
|
|
|
var a = [];
|
|
a[pow31] = 31;
|
|
|
|
assertEquals(pow31 + 1, a.length);
|
|
assertThrows(function() { a.concat(a); }, RangeError);
|
|
|
|
var b = [];
|
|
b[pow31 - 3] = 32;
|
|
var ab = a.concat(b);
|
|
assertEquals(2 * pow31 - 1, ab.length);
|
|
assertEquals(31, ab[pow31]);
|
|
assertEquals(32, ab[2 * pow31 - 2]);
|
|
assertEquals(undefined, ab[2 * pow31 - 1]);
|
|
|
|
var c = [];
|
|
c[pow30] = 30;
|
|
assertThrows(function() { c.concat(c, a); }, RangeError);
|