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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 "chrome/browser/history/visit_filter.h" | 5 #include "chrome/browser/history/visit_filter.h" |
6 | 6 |
7 #include <math.h> | 7 #include <math.h> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/time.h" | 10 #include "base/time.h" |
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21 | 21 |
22 } // namespace | 22 } // namespace |
23 | 23 |
24 namespace history { | 24 namespace history { |
25 | 25 |
26 class VisitFilterTest : public testing::Test { | 26 class VisitFilterTest : public testing::Test { |
27 public: | 27 public: |
28 VisitFilterTest(); | 28 VisitFilterTest(); |
29 | 29 |
30 protected: | 30 protected: |
31 void SetUp(); | 31 virtual void SetUp(); |
32 void TearDown(); | 32 virtual void TearDown(); |
33 }; | 33 }; |
34 | 34 |
35 VisitFilterTest::VisitFilterTest() { | 35 VisitFilterTest::VisitFilterTest() { |
36 } | 36 } |
37 | 37 |
38 void VisitFilterTest::SetUp() { | 38 void VisitFilterTest::SetUp() { |
39 } | 39 } |
40 | 40 |
41 void VisitFilterTest::TearDown() { | 41 void VisitFilterTest::TearDown() { |
42 } | 42 } |
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305 visit.visit_time = filter_time - base::TimeDelta::FromDays(7); | 305 visit.visit_time = filter_time - base::TimeDelta::FromDays(7); |
306 EXPECT_DOUBLE_EQ(0.5, filter.GetVisitScore(visit)); | 306 EXPECT_DOUBLE_EQ(0.5, filter.GetVisitScore(visit)); |
307 // One standard deviation of decay, plus the staleness factor. | 307 // One standard deviation of decay, plus the staleness factor. |
308 visit.visit_time = filter_time - base::TimeDelta::FromDays(7) - | 308 visit.visit_time = filter_time - base::TimeDelta::FromDays(7) - |
309 base::TimeDelta::FromHours(1); | 309 base::TimeDelta::FromHours(1); |
310 EXPECT_DOUBLE_EQ(exp(-0.5) * one_week_one_hour_staleness, | 310 EXPECT_DOUBLE_EQ(exp(-0.5) * one_week_one_hour_staleness, |
311 filter.GetVisitScore(visit)); | 311 filter.GetVisitScore(visit)); |
312 } | 312 } |
313 | 313 |
314 } // namespace history | 314 } // namespace history |
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