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/*
* Copyright (c) 2021 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/rtp_rtcp/source/capture_clock_offset_updater.h"
#include "system_wrappers/include/ntp_time.h"
#include "test/gmock.h"
#include "test/gtest.h"
namespace webrtc {
TEST(AbsoluteCaptureTimeReceiverTest,
SkipEstimatedCaptureClockOffsetIfRemoteToLocalClockOffsetIsUnknown) {
static const absl::optional<int64_t> kRemoteCaptureClockOffset =
Int64MsToQ32x32(-350);
CaptureClockOffsetUpdater updater;
updater.SetRemoteToLocalClockOffset(absl::nullopt);
EXPECT_EQ(
updater.AdjustEstimatedCaptureClockOffset(kRemoteCaptureClockOffset),
absl::nullopt);
}
TEST(AbsoluteCaptureTimeReceiverTest,
SkipEstimatedCaptureClockOffsetIfRemoteCaptureClockOffsetIsUnknown) {
static const absl::optional<int64_t> kCaptureClockOffsetNull = absl::nullopt;
CaptureClockOffsetUpdater updater;
updater.SetRemoteToLocalClockOffset(0);
EXPECT_EQ(updater.AdjustEstimatedCaptureClockOffset(kCaptureClockOffsetNull),
kCaptureClockOffsetNull);
static const absl::optional<int64_t> kRemoteCaptureClockOffset =
Int64MsToQ32x32(-350);
EXPECT_EQ(
updater.AdjustEstimatedCaptureClockOffset(kRemoteCaptureClockOffset),
kRemoteCaptureClockOffset);
}
TEST(AbsoluteCaptureTimeReceiverTest, EstimatedCaptureClockOffsetArithmetic) {
static const absl::optional<int64_t> kRemoteCaptureClockOffset =
Int64MsToQ32x32(-350);
static const absl::optional<int64_t> kRemoteToLocalClockOffset =
Int64MsToQ32x32(-7000007);
CaptureClockOffsetUpdater updater;
updater.SetRemoteToLocalClockOffset(kRemoteToLocalClockOffset);
EXPECT_THAT(
updater.AdjustEstimatedCaptureClockOffset(kRemoteCaptureClockOffset),
::testing::Optional(::testing::Eq(*kRemoteCaptureClockOffset +
*kRemoteToLocalClockOffset)));
}
} // namespace webrtc
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