1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 'use strict'; 6 7 base.require('base.iteration_helpers'); 8 9 base.unittest.testSuite('base.iteration_helpers', function() { 10 var comparePossiblyUndefinedValues = base.comparePossiblyUndefinedValues; 11 var compareArrays = base.compareArrays; 12 13 test('comparePossiblyUndefinedValues', function() { 14 function cmp(x, y) { 15 assertNotUndefined(x); 16 assertNotUndefined(y); 17 return x - y; 18 } 19 20 assertTrue(comparePossiblyUndefinedValues(0, 1, cmp) < 0); 21 assertTrue(comparePossiblyUndefinedValues(1, 0, cmp) > 0); 22 assertTrue(comparePossiblyUndefinedValues(1, 1, cmp) == 0); 23 24 assertTrue(comparePossiblyUndefinedValues(0, undefined, cmp) < 0); 25 assertTrue(comparePossiblyUndefinedValues(undefined, 0, cmp) > 0); 26 assertTrue(comparePossiblyUndefinedValues(undefined, undefined, cmp) == 0); 27 }); 28 29 test('compareArrays', function() { 30 function cmp(x, y) { 31 assertNotUndefined(x); 32 assertNotUndefined(y); 33 return x - y; 34 } 35 36 assertTrue(compareArrays([1], [2], cmp) < 0); 37 assertTrue(compareArrays([2], [1], cmp) > 0); 38 39 assertTrue(compareArrays([1], [1, 2], cmp) < 0); 40 assertTrue(compareArrays([1, 2], [1], cmp) > 0); 41 42 assertTrue(compareArrays([], [1], cmp) < 0); 43 assertTrue(compareArrays([1], [], cmp) > 0); 44 45 assertTrue(compareArrays([2], [1], cmp) > 0); 46 47 assertTrue(compareArrays([], [], cmp) == 0); 48 assertTrue(compareArrays([1], [1], cmp) == 0); 49 }); 50 }); 51
