| // Copyright 2008 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. |
| |
| // Test array sort. |
| |
| // Test counter-intuitive default number sorting. |
| function TestNumberSort() { |
| var a = [ 200, 45, 7 ]; |
| |
| // Default sort converts each element to string 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); |
| |
| // Default sort on negative numbers. |
| a = [-12345,-123,-1234,-123456]; |
| a.sort(); |
| assertArrayEquals([-123,-1234,-12345,-123456], a); |
| |
| // Default sort on negative and non-negative numbers. |
| a = [123456,0,-12345,-123,123,1234,-1234,0,12345,-123456]; |
| a.sort(); |
| assertArrayEquals([-123,-1234,-12345,-123456,0,0,123,1234,12345,123456], a); |
| |
| // Default sort on Smis and non-Smis. |
| a = [1000000000, 10000000000, 1000000001, -1000000000, -10000000000, -1000000001]; |
| a.sort(); |
| assertArrayEquals([-1000000000, -10000000000, -1000000001, 1000000000, 10000000000, 1000000001], 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(); |