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// Copyright 2008 Google 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 array sort.
// Test counter-intuitive default number sorting.
function TestNumberSort() {
var a = [ 200, 45, 7 ];
// Default sort calls toString on each element and orders
// lexicographically.
a.sort();
assertArrayEquals([ 200, 45, 7 ], a);
// Sort numbers by value using a compare functions.
a.sort(function(x, y) { return x - y; });
assertArrayEquals([ 7, 45, 200 ], a);
}
TestNumberSort();
// Test lexicographical string sorting.
function TestStringSort() {
var a = [ "cc", "c", "aa", "a", "bb", "b", "ab", "ac" ];
a.sort();
assertArrayEquals([ "a", "aa", "ab", "ac", "b", "bb", "c", "cc" ], a);
}
TestStringSort();
// Test object sorting. Calls toString on each element and sorts
// lexicographically.
function TestObjectSort() {
var obj0 = { toString: function() { return "a"; } };
var obj1 = { toString: function() { return "b"; } };
var obj2 = { toString: function() { return "c"; } };
var a = [ obj2, obj0, obj1 ];
a.sort();
assertArrayEquals([ obj0, obj1, obj2 ], a);
}
TestObjectSort();
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