// Copyright 2008 the V8 project authors. All rights reserved.
// Copyright (C) 2013 Apple Inc. 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.
// Test the performance of Int16Array by implementing a bubble sort.
function bubbleSort(array)
{
for (var i = 1; i < array.length; ++i) {
for (var j = 0; j < array.length - i; ++j) {
if (array[j + 1] < array[j]) {
var tmp = array[j];
array[j] = array[j + 1];
array[j + 1] = tmp;
}
}
}
}
// V8's random function.
myRandom = (function() {
var seed = 49734321;
return function() {
// Robert Jenkins' 32 bit integer hash function.
seed = ((seed + 0x7ed55d16) + (seed << 12)) & 0xffffffff;
seed = ((seed ^ 0xc761c23c) ^ (seed >>> 19)) & 0xffffffff;
seed = ((seed + 0x165667b1) + (seed << 5)) & 0xffffffff;
seed = ((seed + 0xd3a2646c) ^ (seed << 9)) & 0xffffffff;
seed = ((seed + 0xfd7046c5) + (seed << 3)) & 0xffffffff;
seed = ((seed ^ 0xb55a4f09) ^ (seed >>> 16)) & 0xffffffff;
return (seed & 0xfffffff) / 0x10000000;
};
})();
function arrayToString(array) {
var result = "[";
for (var i = 0; i < array.length; ++i) {
if (i)
result += ", ";
result += array[i];
}
return result + "]";
}
function validateSort(array) {
for (var i = 0; i < array.length - 1; ++i) {
if (array[i + 1] < array[i])
return false;
}
return true;
}
var array = new Int16Array(1000);
for (var count = 0; count < 10; ++count) {
for (var i = 0; i < array.length; ++i) {
array[i] = myRandom() * 65535;
}
bubbleSort(array);
if (!validateSort(array))
throw "Bad result: " + arrayToString(array);
}