webrtc/modules/video_coding/histogram_unittest.cc
Jonas Olsson a4d873786f Format almost everything.
This CL was generated by running

git ls-files | grep -P "(\.h|\.cc)$" | grep -v 'sdk/' | grep -v 'rtc_base/ssl_' | \
grep -v 'fake_rtc_certificate_generator.h' | grep -v 'modules/audio_device/win/' | \
grep -v 'system_wrappers/source/clock.cc' | grep -v 'rtc_base/trace_event.h' | \
grep -v 'modules/audio_coding/codecs/ilbc/' | grep -v 'screen_capturer_mac.h' | \
grep -v 'spl_inl_mips.h' | grep -v 'data_size_unittest.cc' | grep -v 'timestamp_unittest.cc' \
| xargs clang-format -i ; git cl format

Most of these changes are clang-format grouping and reordering includes
differently.

Bug: webrtc:9340
Change-Id: Ic83ddbc169bfacd21883e381b5181c3dd4fe8a63
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144051
Commit-Queue: Jonas Olsson <jonasolsson@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28505}
2019-07-08 13:45:15 +00:00

77 lines
2.1 KiB
C++

/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/video_coding/histogram.h"
#include "test/gtest.h"
namespace webrtc {
namespace video_coding {
class TestHistogram : public ::testing::Test {
protected:
TestHistogram() : histogram_(5, 10) {}
Histogram histogram_;
};
TEST_F(TestHistogram, NumValues) {
EXPECT_EQ(0ul, histogram_.NumValues());
histogram_.Add(0);
EXPECT_EQ(1ul, histogram_.NumValues());
}
TEST_F(TestHistogram, InverseCdf) {
histogram_.Add(0);
histogram_.Add(1);
histogram_.Add(2);
histogram_.Add(3);
histogram_.Add(4);
EXPECT_EQ(5ul, histogram_.NumValues());
EXPECT_EQ(1ul, histogram_.InverseCdf(0.2f));
EXPECT_EQ(2ul, histogram_.InverseCdf(0.2000001f));
EXPECT_EQ(4ul, histogram_.InverseCdf(0.8f));
histogram_.Add(0);
EXPECT_EQ(6ul, histogram_.NumValues());
EXPECT_EQ(1ul, histogram_.InverseCdf(0.2f));
EXPECT_EQ(1ul, histogram_.InverseCdf(0.2000001f));
}
TEST_F(TestHistogram, ReplaceOldValues) {
histogram_.Add(0);
histogram_.Add(0);
histogram_.Add(0);
histogram_.Add(0);
histogram_.Add(0);
histogram_.Add(1);
histogram_.Add(1);
histogram_.Add(1);
histogram_.Add(1);
histogram_.Add(1);
EXPECT_EQ(10ul, histogram_.NumValues());
EXPECT_EQ(1ul, histogram_.InverseCdf(0.5f));
EXPECT_EQ(2ul, histogram_.InverseCdf(0.5000001f));
histogram_.Add(4);
histogram_.Add(4);
histogram_.Add(4);
histogram_.Add(4);
EXPECT_EQ(10ul, histogram_.NumValues());
EXPECT_EQ(1ul, histogram_.InverseCdf(0.1f));
EXPECT_EQ(2ul, histogram_.InverseCdf(0.5f));
histogram_.Add(20);
EXPECT_EQ(10ul, histogram_.NumValues());
EXPECT_EQ(2ul, histogram_.InverseCdf(0.5f));
EXPECT_EQ(5ul, histogram_.InverseCdf(0.5000001f));
}
} // namespace video_coding
} // namespace webrtc