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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 "base/metrics/bucket_ranges.h" | 5 #include "base/metrics/bucket_ranges.h" |
6 | 6 |
7 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
8 | 8 |
9 namespace base { | 9 namespace base { |
10 namespace { | 10 namespace { |
11 | 11 |
12 TEST(BucketRangesTest, NormalSetup) { | 12 TEST(BucketRangesTest, NormalSetup) { |
13 BucketRanges ranges(5); | 13 BucketRanges ranges(5); |
14 ASSERT_EQ(5u, ranges.size()); | 14 ASSERT_EQ(5u, ranges.size()); |
| 15 ASSERT_EQ(4u, ranges.bucket_count()); |
15 | 16 |
16 for (int i = 0; i < 5; i++) { | 17 for (int i = 0; i < 5; ++i) { |
17 EXPECT_EQ(0, ranges.range(i)); | 18 EXPECT_EQ(0, ranges.range(i)); |
18 } | 19 } |
19 EXPECT_EQ(0u, ranges.checksum()); | 20 EXPECT_EQ(0u, ranges.checksum()); |
20 | 21 |
21 ranges.set_range(3, 100); | 22 ranges.set_range(3, 100); |
22 EXPECT_EQ(100, ranges.range(3)); | 23 EXPECT_EQ(100, ranges.range(3)); |
23 } | 24 } |
24 | 25 |
25 TEST(BucketRangesTest, Equals) { | 26 TEST(BucketRangesTest, Equals) { |
26 // Compare empty ranges. | 27 // Compare empty ranges. |
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82 checksum = kReversedPolynomial ^ (checksum >> 1); | 83 checksum = kReversedPolynomial ^ (checksum >> 1); |
83 else | 84 else |
84 checksum >>= 1; | 85 checksum >>= 1; |
85 } | 86 } |
86 EXPECT_EQ(kCrcTable[i], checksum); | 87 EXPECT_EQ(kCrcTable[i], checksum); |
87 } | 88 } |
88 } | 89 } |
89 | 90 |
90 } // namespace | 91 } // namespace |
91 } // namespace base | 92 } // namespace base |
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