Switch to double for time calculations using playback rate.

media/base/time_delta_interpolator_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/logging.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "media/base/time_delta_interpolator.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
@@ skipping 22 matching lines @@
 
   EXPECT_EQ(kZero, interpolator_.StartInterpolating());
   AdvanceSystemTime(kTimeToAdvance);
   EXPECT_EQ(kTimeToAdvance, interpolator_.GetInterpolatedTime());
 }
 
 TEST_F(TimeDeltaInterpolatorTest, StartInterpolating_DoubleSpeed) {
   const base::TimeDelta kZero;
   const base::TimeDelta kTimeToAdvance = base::TimeDelta::FromSeconds(5);
 
-  interpolator_.SetPlaybackRate(2.0f);
+  interpolator_.SetPlaybackRate(2.0);
   EXPECT_EQ(kZero, interpolator_.StartInterpolating());
   AdvanceSystemTime(kTimeToAdvance);
   EXPECT_EQ(2 * kTimeToAdvance, interpolator_.GetInterpolatedTime());
 }
 
 TEST_F(TimeDeltaInterpolatorTest, StartInterpolating_HalfSpeed) {
   const base::TimeDelta kZero;
   const base::TimeDelta kTimeToAdvance = base::TimeDelta::FromSeconds(4);
 
-  interpolator_.SetPlaybackRate(0.5f);
+  interpolator_.SetPlaybackRate(0.5);
   EXPECT_EQ(kZero, interpolator_.StartInterpolating());
   AdvanceSystemTime(kTimeToAdvance);
   EXPECT_EQ(kTimeToAdvance / 2, interpolator_.GetInterpolatedTime());
 }
 
 TEST_F(TimeDeltaInterpolatorTest, StartInterpolating_ZeroSpeed) {
   // We'll play for 2 seconds at normal speed, 4 seconds at zero speed, and 8
   // seconds at normal speed.
   const base::TimeDelta kZero;
   const base::TimeDelta kPlayDuration1 = base::TimeDelta::FromSeconds(2);
   const base::TimeDelta kPlayDuration2 = base::TimeDelta::FromSeconds(4);
   const base::TimeDelta kPlayDuration3 = base::TimeDelta::FromSeconds(8);
   const base::TimeDelta kExpected = kPlayDuration1 + kPlayDuration3;
 
   EXPECT_EQ(kZero, interpolator_.StartInterpolating());
 
   AdvanceSystemTime(kPlayDuration1);
-  interpolator_.SetPlaybackRate(0.0f);
+  interpolator_.SetPlaybackRate(0.0);
   AdvanceSystemTime(kPlayDuration2);
-  interpolator_.SetPlaybackRate(1.0f);
+  interpolator_.SetPlaybackRate(1.0);
   AdvanceSystemTime(kPlayDuration3);
 
   EXPECT_EQ(kExpected, interpolator_.GetInterpolatedTime());
 }
 
 TEST_F(TimeDeltaInterpolatorTest, StartInterpolating_MultiSpeed) {
   // We'll play for 2 seconds at half speed, 4 seconds at normal speed, and 8
   // seconds at double speed.
   const base::TimeDelta kZero;
   const base::TimeDelta kPlayDuration1 = base::TimeDelta::FromSeconds(2);
   const base::TimeDelta kPlayDuration2 = base::TimeDelta::FromSeconds(4);
   const base::TimeDelta kPlayDuration3 = base::TimeDelta::FromSeconds(8);
   const base::TimeDelta kExpected =
       kPlayDuration1 / 2 + kPlayDuration2 + 2 * kPlayDuration3;
 
-  interpolator_.SetPlaybackRate(0.5f);
+  interpolator_.SetPlaybackRate(0.5);
   EXPECT_EQ(kZero, interpolator_.StartInterpolating());
   AdvanceSystemTime(kPlayDuration1);
 
-  interpolator_.SetPlaybackRate(1.0f);
+  interpolator_.SetPlaybackRate(1.0);
   AdvanceSystemTime(kPlayDuration2);
 
-  interpolator_.SetPlaybackRate(2.0f);
+  interpolator_.SetPlaybackRate(2.0);
   AdvanceSystemTime(kPlayDuration3);
   EXPECT_EQ(kExpected, interpolator_.GetInterpolatedTime());
 }
 
 TEST_F(TimeDeltaInterpolatorTest, StopInterpolating) {
   const base::TimeDelta kZero;
   const base::TimeDelta kPlayDuration = base::TimeDelta::FromSeconds(4);
   const base::TimeDelta kPauseDuration = base::TimeDelta::FromSeconds(20);
   const base::TimeDelta kExpectedFirstPause = kPlayDuration;
   const base::TimeDelta kExpectedSecondPause = 2 * kPlayDuration;
@@ skipping 83 matching lines @@
   EXPECT_EQ(kMaxTime1, interpolator_.GetInterpolatedTime());
 
   AdvanceSystemTime(kTimeInterval);
   EXPECT_EQ(kMaxTime1 + kTimeInterval, interpolator_.GetInterpolatedTime());
 
   AdvanceSystemTime(kTimeInterval);
   EXPECT_EQ(kMaxTime2, interpolator_.GetInterpolatedTime());
 }
 
 }  // namespace media