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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <sstream> | 5 #include <sstream> |
6 | 6 |
7 #include "media/base/ranges.h" | 7 #include "media/base/ranges.h" |
8 | 8 |
9 #include "base/string_piece.h" | 9 #include "base/string_piece.h" |
10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
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92 ASSERT_EQ(r.Add(4, 5), 3u) << r; | 92 ASSERT_EQ(r.Add(4, 5), 3u) << r; |
93 ASSERT_EQ(r.Add(0.5, 4.5), 1u) << r; | 93 ASSERT_EQ(r.Add(0.5, 4.5), 1u) << r; |
94 ASSERT_RANGES(r, "{ [0,5) }"); | 94 ASSERT_RANGES(r, "{ [0,5) }"); |
95 | 95 |
96 r.clear(); | 96 r.clear(); |
97 ASSERT_EQ(r.Add(0, 1), 1u) << r; | 97 ASSERT_EQ(r.Add(0, 1), 1u) << r; |
98 ASSERT_EQ(r.Add(1, 2), 1u) << r; | 98 ASSERT_EQ(r.Add(1, 2), 1u) << r; |
99 ASSERT_RANGES(r, "{ [0,2) }"); | 99 ASSERT_RANGES(r, "{ [0,2) }"); |
100 } | 100 } |
101 | 101 |
102 TEST(RangesTest, IntersectionWith) { | |
103 Ranges<int> a; | |
104 Ranges<int> b; | |
105 | |
106 ASSERT_EQ(a.Add(0, 1), 1u) << a; | |
107 ASSERT_EQ(a.Add(4, 7), 2u) << a; | |
108 ASSERT_EQ(a.Add(10, 12), 3u) << a; | |
109 | |
110 // Test intersections with an empty range. | |
111 ASSERT_RANGES(a, "{ [0,1) [4,7) [10,12) }"); | |
112 ASSERT_RANGES(b, "{ }"); | |
113 ASSERT_RANGES(a.IntersectionWith(b), "{ }"); | |
114 ASSERT_RANGES(b.IntersectionWith(a), "{ }"); | |
115 | |
116 // Test intersections with a completely overlaping range. | |
117 ASSERT_EQ(b.Add(-1, 13), 1u) << b; | |
118 ASSERT_RANGES(a, "{ [0,1) [4,7) [10,12) }"); | |
119 ASSERT_RANGES(b, "{ [-1,13) }"); | |
120 ASSERT_RANGES(a.IntersectionWith(b), "{ [0,1) [4,7) [10,12) }"); | |
121 ASSERT_RANGES(b.IntersectionWith(a), "{ [0,1) [4,7) [10,12) }"); | |
122 | |
123 // Test intersections with a disjoint ranges. | |
124 b.clear(); | |
125 ASSERT_EQ(b.Add(1, 4), 1u) << b; | |
126 ASSERT_EQ(b.Add(8, 9), 2u) << b; | |
127 ASSERT_RANGES(a, "{ [0,1) [4,7) [10,12) }"); | |
128 ASSERT_RANGES(b, "{ [1,4) [8,9) }"); | |
129 ASSERT_RANGES(a.IntersectionWith(b), "{ }"); | |
130 ASSERT_RANGES(b.IntersectionWith(a), "{ }"); | |
131 | |
132 // Test intersections with partially overlapping ranges. | |
Ami GONE FROM CHROMIUM
2012/06/19 17:40:37
Since the incrementing works based on comparing th
acolwell GONE FROM CHROMIUM
2012/06/19 19:50:15
Done.
| |
133 b.clear(); | |
134 ASSERT_EQ(b.Add(0, 3), 1u) << b; | |
135 ASSERT_EQ(b.Add(5, 11), 2u) << b; | |
136 ASSERT_RANGES(a, "{ [0,1) [4,7) [10,12) }"); | |
137 ASSERT_RANGES(b, "{ [0,3) [5,11) }"); | |
138 ASSERT_RANGES(a.IntersectionWith(b), "{ [0,1) [5,7) [10,11) }"); | |
139 ASSERT_RANGES(b.IntersectionWith(a), "{ [0,1) [5,7) [10,11) }"); | |
140 } | |
141 | |
102 } // namespace media | 142 } // namespace media |
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