third_party/v8/test/webkit/array-iterate-backwards.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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// modification, are permitted provided that the following conditions
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//     notice, this list of conditions and the following disclaimer.
// 2.  Redistributions in binary form must reproduce the above copyright
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description(
"This test checks that iterating a large array backwards works correctly."
);

var bytes = new Array();

function prepare(nbytes) {
    var i = nbytes - 1;
    while (i >= 0) {
        bytes[i] = new Number(i);
        i -= 1;
    }
}

function verify(nbytes) {
    var i = nbytes - 1;
    while (i >= 0) {
        if (bytes[i] != i)
            return false;
        i -= 1;
    }
    return true;
}

prepare(32768);
shouldBeTrue('verify(32768)');

prepare(65536);
shouldBeTrue('verify(65536)');

prepare(120000);
shouldBeTrue('verify(120000)');