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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <!-- | |
| 4 Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 5 Use of this source code is governed by a BSD-style license that can be | |
| 6 found in the LICENSE file. | |
| 7 --> | |
| 8 <head> | |
| 9 <title></title> | |
| 10 <script src="http://closure-library.googlecode.com/svn/trunk/closure/goog/ba
se.js"></script> | |
| 11 <script src="../../../../ui/webui/resources/js/cr.js"></script> | |
| 12 <script src="disjoint_range_set.js"></script> | |
| 13 <script> | |
| 14 goog.require('goog.testing.jsunit'); | |
| 15 </script> | |
| 16 </head> | |
| 17 <body> | |
| 18 <script> | |
| 19 | |
| 20 var range; | |
| 21 | |
| 22 function assertRangeEquals(ranges) { | |
| 23 assertArrayEquals( | |
| 24 ranges, range.map(function(start, end) { return [start, end]; })); | |
| 25 }; | |
| 26 | |
| 27 function setUp() { | |
| 28 range = new media.DisjointRangeSet; | |
| 29 }; | |
| 30 | |
| 31 function testAdd() { | |
| 32 range.add(1, 6); | |
| 33 assertRangeEquals([[1, 6]]); | |
| 34 range.add(-5, -3); | |
| 35 assertRangeEquals([[-5, -3], [1, 6]]); | |
| 36 }; | |
| 37 | |
| 38 function testAddAdjacent() { | |
| 39 range.add(3, 6); | |
| 40 assertRangeEquals([[3, 6]]); | |
| 41 range.add(1, 2); | |
| 42 assertRangeEquals([[1, 6]]); | |
| 43 range.add(7, 9); | |
| 44 assertRangeEquals([[1, 9]]); | |
| 45 }; | |
| 46 | |
| 47 function testAddNotQuiteAdjacent() { | |
| 48 range.add(3, 6); | |
| 49 assertRangeEquals([[3, 6]]); | |
| 50 range.add(0, 1); | |
| 51 assertRangeEquals([[0, 1], [3, 6]]); | |
| 52 range.add(8, 9); | |
| 53 assertRangeEquals([[0, 1], [3, 6], [8, 9]]); | |
| 54 }; | |
| 55 | |
| 56 function testAddOverlapping() { | |
| 57 range.add(1, 6); | |
| 58 assertRangeEquals([[1, 6]]); | |
| 59 range.add(5, 8); | |
| 60 assertRangeEquals([[1, 8]]); | |
| 61 range.add(0, 1); | |
| 62 assertRangeEquals([[0, 8]]); | |
| 63 }; | |
| 64 | |
| 65 function testMax() { | |
| 66 assertNull(range.max()); | |
| 67 range.add(1, 6); | |
| 68 assertEquals(range.max(), 6); | |
| 69 range.add(3, 8); | |
| 70 assertEquals(range.max(), 8); | |
| 71 range.remove(2, 3); | |
| 72 assertEquals(range.max(), 8); | |
| 73 range.remove(4, 10); | |
| 74 assertEquals(range.max(), 1); | |
| 75 range.remove(1, 1); | |
| 76 assertNull(range.max()); | |
| 77 }; | |
| 78 | |
| 79 function testRemove() { | |
| 80 range.add(1, 20); | |
| 81 assertRangeEquals([[1, 20]]); | |
| 82 range.remove(0, 3); | |
| 83 assertRangeEquals([[4, 20]]); | |
| 84 range.remove(18, 20); | |
| 85 assertRangeEquals([[4, 17]]); | |
| 86 range.remove(5, 16); | |
| 87 assertRangeEquals([[4, 4], [17, 17]]); | |
| 88 }; | |
| 89 | |
| 90 function testStartsEmpty() { | |
| 91 assertRangeEquals([]); | |
| 92 }; | |
| 93 | |
| 94 </script> | |
| 95 </body> | |
| 96 </html> | |
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