Remove rtcp_utility as mostly unused.

webrtc/modules/rtp_rtcp/source/rtcp_utility_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_utility_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_utility_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_utility_unittest.cc
deleted file mode 100644
index b4331070986f99e70330e17638097f1858e0d8d5..0000000000000000000000000000000000000000
--- a/webrtc/modules/rtp_rtcp/source/rtcp_utility_unittest.cc
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- *  Copyright (c) 2014 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 "webrtc/base/checks.h"
-#include "webrtc/modules/rtp_rtcp/source/byte_io.h"
-#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
-#include "webrtc/test/gtest.h"
-
-namespace webrtc {
-
-using RTCPUtility::RtcpCommonHeader;
-
-namespace rtcp {
-
-TEST(RtcpUtilityTest, MidNtp) {
-  const uint32_t kNtpSec = 0x12345678;
-  const uint32_t kNtpFrac = 0x23456789;
-  const uint32_t kNtpMid = 0x56782345;
-  EXPECT_EQ(kNtpMid, RTCPUtility::MidNtp(kNtpSec, kNtpFrac));
-}
-
-TEST(RtcpUtilityTest, NackRequests) {
-  RTCPUtility::NackStats stats;
-  EXPECT_EQ(0U, stats.unique_requests());
-  EXPECT_EQ(0U, stats.requests());
-  stats.ReportRequest(10);
-  EXPECT_EQ(1U, stats.unique_requests());
-  EXPECT_EQ(1U, stats.requests());
-
-  stats.ReportRequest(10);
-  EXPECT_EQ(1U, stats.unique_requests());
-  stats.ReportRequest(11);
-  EXPECT_EQ(2U, stats.unique_requests());
-
-  stats.ReportRequest(11);
-  EXPECT_EQ(2U, stats.unique_requests());
-  stats.ReportRequest(13);
-  EXPECT_EQ(3U, stats.unique_requests());
-
-  stats.ReportRequest(11);
-  EXPECT_EQ(3U, stats.unique_requests());
-  EXPECT_EQ(6U, stats.requests());
-}
-
-TEST(RtcpUtilityTest, NackRequestsWithWrap) {
-  RTCPUtility::NackStats stats;
-  stats.ReportRequest(65534);
-  EXPECT_EQ(1U, stats.unique_requests());
-
-  stats.ReportRequest(65534);
-  EXPECT_EQ(1U, stats.unique_requests());
-  stats.ReportRequest(65535);
-  EXPECT_EQ(2U, stats.unique_requests());
-
-  stats.ReportRequest(65535);
-  EXPECT_EQ(2U, stats.unique_requests());
-  stats.ReportRequest(0);
-  EXPECT_EQ(3U, stats.unique_requests());
-
-  stats.ReportRequest(65535);
-  EXPECT_EQ(3U, stats.unique_requests());
-  stats.ReportRequest(0);
-  EXPECT_EQ(3U, stats.unique_requests());
-  stats.ReportRequest(1);
-  EXPECT_EQ(4U, stats.unique_requests());
-  EXPECT_EQ(8U, stats.requests());
-}
-
-class RtcpParseCommonHeaderTest : public ::testing::Test {
- public:
-  RtcpParseCommonHeaderTest() { memset(buffer, 0, kBufferCapacityBytes); }
-  virtual ~RtcpParseCommonHeaderTest() {}
-
- protected:
-  static const size_t kBufferCapacityBytes = 40;
-  uint8_t buffer[kBufferCapacityBytes];
-  RtcpCommonHeader header;
-};
-
-TEST_F(RtcpParseCommonHeaderTest, TooSmallBuffer) {
-  // Buffer needs to be able to hold the header.
-  for (size_t i = 0; i < RtcpCommonHeader::kHeaderSizeBytes; ++i)
-    EXPECT_FALSE(RtcpParseCommonHeader(buffer, i, &header));
-}
-
-TEST_F(RtcpParseCommonHeaderTest, Version) {
-  // Version 2 is the only allowed for now.
-  for (int v = 0; v < 4; ++v) {
-    buffer[0] = v << 6;
-    EXPECT_EQ(v == 2, RtcpParseCommonHeader(
-                          buffer, RtcpCommonHeader::kHeaderSizeBytes, &header));
-  }
-}
-
-TEST_F(RtcpParseCommonHeaderTest, PacketSize) {
-  // Set v = 2, leave p, fmt, pt as 0.
-  buffer[0] = 2 << 6;
-
-  const size_t kBlockSize = 3;
-  ByteWriter<uint16_t>::WriteBigEndian(&buffer[2], kBlockSize);
-  const size_t kSizeInBytes = (kBlockSize + 1) * 4;
-
-  EXPECT_FALSE(RtcpParseCommonHeader(buffer, kSizeInBytes - 1, &header));
-  EXPECT_TRUE(RtcpParseCommonHeader(buffer, kSizeInBytes, &header));
-}
-
-TEST_F(RtcpParseCommonHeaderTest, PayloadSize) {
-  // Set v = 2, p = 1, but leave fmt, pt as 0.
-  buffer[0] = (2 << 6) | (1 << 5);
-
-  // Padding bit set, but no byte for padding (can't specify padding length).
-  EXPECT_FALSE(RtcpParseCommonHeader(buffer, 4, &header));
-
-  const size_t kBlockSize = 3;
-  ByteWriter<uint16_t>::WriteBigEndian(&buffer[2], kBlockSize);
-  const size_t kSizeInBytes = (kBlockSize + 1) * 4;
-  const size_t kPayloadSizeBytes =
-      kSizeInBytes - RtcpCommonHeader::kHeaderSizeBytes;
-
-  // Padding one byte larger than possible.
-  buffer[kSizeInBytes - 1] = kPayloadSizeBytes + 1;
-  EXPECT_FALSE(RtcpParseCommonHeader(buffer, kSizeInBytes, &header));
-
-  // Pure padding packet?
-  buffer[kSizeInBytes - 1] = kPayloadSizeBytes;
-  EXPECT_TRUE(RtcpParseCommonHeader(buffer, kSizeInBytes, &header));
-  EXPECT_EQ(kPayloadSizeBytes, header.padding_bytes);
-  EXPECT_EQ(0u, header.payload_size_bytes);
-
-  // Single byte of actual data.
-  buffer[kSizeInBytes - 1] = kPayloadSizeBytes - 1;
-  EXPECT_TRUE(RtcpParseCommonHeader(buffer, kSizeInBytes, &header));
-  EXPECT_EQ(kPayloadSizeBytes - 1, header.padding_bytes);
-  EXPECT_EQ(1u, header.payload_size_bytes);
-}
-
-TEST_F(RtcpParseCommonHeaderTest, FormatAndPayloadType) {
-  // Format/count and packet type both set to max values.
-  const uint8_t kCountOrFormat = 0x1F;
-  const uint8_t kPacketType = 0xFF;
-  buffer[0] = 2 << 6;  // V = 2.
-  buffer[0] |= kCountOrFormat;
-  buffer[1] = kPacketType;
-
-  EXPECT_TRUE(RtcpParseCommonHeader(buffer, RtcpCommonHeader::kHeaderSizeBytes,
-                                    &header));
-  EXPECT_EQ(kCountOrFormat, header.count_or_format);
-  EXPECT_EQ(kPacketType, header.packet_type);
-}
-
-}  // namespace rtcp
-}  // namespace webrtc
-