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1 /* | 1 /* |
2 * Copyright 2014 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2014 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include <math.h> | 11 #include <math.h> |
12 | 12 |
13 #include "webrtc/base/numerics/exp_filter.h" | 13 #include "webrtc/rtc_base/numerics/exp_filter.h" |
14 #include "webrtc/test/gtest.h" | 14 #include "webrtc/test/gtest.h" |
15 | 15 |
16 namespace rtc { | 16 namespace rtc { |
17 | 17 |
18 TEST(ExpFilterTest, FirstTimeOutputEqualInput) { | 18 TEST(ExpFilterTest, FirstTimeOutputEqualInput) { |
19 // No max value defined. | 19 // No max value defined. |
20 ExpFilter filter = ExpFilter(0.9f); | 20 ExpFilter filter = ExpFilter(0.9f); |
21 filter.Apply(100.0f, 10.0f); | 21 filter.Apply(100.0f, 10.0f); |
22 | 22 |
23 // First time, first argument no effect. | 23 // First time, first argument no effect. |
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62 // Limited to max value. | 62 // Limited to max value. |
63 value = 1.0f; | 63 value = 1.0f; |
64 EXPECT_EQ(value, filter.filtered()); | 64 EXPECT_EQ(value, filter.filtered()); |
65 | 65 |
66 filter.Apply(1.0f, 0.0f); | 66 filter.Apply(1.0f, 0.0f); |
67 value = 0.9f * value; | 67 value = 0.9f * value; |
68 EXPECT_FLOAT_EQ(value, filter.filtered()); | 68 EXPECT_FLOAT_EQ(value, filter.filtered()); |
69 } | 69 } |
70 | 70 |
71 } // namespace rtc | 71 } // namespace rtc |
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