Using 64-bit timestamp in webrtc/p2p

webrtc/base/timeutils_unittest.cc

 /*
  *  Copyright 2004 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.
  */
 
@@ skipping 126 matching lines @@
 
   // Assert that 'tm' represents a time between 'before' and 'after'.
   // mktime() uses local time, so we have to compensate for that.
   time_t local_delta = before - ::mktime(::gmtime(&before));  // NOLINT
   time_t t = ::mktime(&tm) + local_delta;
 
   EXPECT_TRUE(before <= t && t <= after);
   EXPECT_TRUE(0 <= microseconds && microseconds < 1000000);
 }
 
+TEST(TimeTest, TestTimeDiff64) {
+  int64_t ts_diff = 100;
+  int64_t ts_earlier = rtc::Time64();
+  int64_t ts_later = ts_earlier + ts_diff;
+  EXPECT_EQ(ts_diff, rtc::TimeDiff(ts_later, ts_earlier));
+  EXPECT_EQ(-ts_diff, rtc::TimeDiff(ts_earlier, ts_later));
+}
+
 class TimestampWrapAroundHandlerTest : public testing::Test {
  public:
   TimestampWrapAroundHandlerTest() {}
 
  protected:
   TimestampWrapAroundHandler wraparound_handler_;
 };
 
 TEST_F(TimestampWrapAroundHandlerTest, Unwrap) {
   // Start value.
@@ skipping 129 matching lines @@
 #endif
     }
   }
 };
 
 TEST_F(TmToSeconds, TestTmToSeconds) {
   TestTmToSeconds(100000);
 }
 
 }  // namespace rtc