| /* |
| * Copyright (c) 2018 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 "api/units/timestamp.h" |
| #include "test/gtest.h" |
| |
| namespace webrtc { |
| namespace test { |
| TEST(TimestampTest, GetBackSameValues) { |
| const int64_t kValue = 499; |
| EXPECT_EQ(Timestamp::ms(kValue).ms(), kValue); |
| EXPECT_EQ(Timestamp::us(kValue).us(), kValue); |
| EXPECT_EQ(Timestamp::seconds(kValue).seconds(), kValue); |
| } |
| |
| TEST(TimestampTest, GetDifferentPrefix) { |
| const int64_t kValue = 3000000; |
| EXPECT_EQ(Timestamp::us(kValue).seconds(), kValue / 1000000); |
| EXPECT_EQ(Timestamp::ms(kValue).seconds(), kValue / 1000); |
| EXPECT_EQ(Timestamp::us(kValue).ms(), kValue / 1000); |
| |
| EXPECT_EQ(Timestamp::ms(kValue).us(), kValue * 1000); |
| EXPECT_EQ(Timestamp::seconds(kValue).ms(), kValue * 1000); |
| EXPECT_EQ(Timestamp::seconds(kValue).us(), kValue * 1000000); |
| } |
| |
| TEST(TimestampTest, IdentityChecks) { |
| const int64_t kValue = 3000; |
| |
| EXPECT_TRUE(Timestamp::Infinity().IsInfinite()); |
| EXPECT_FALSE(Timestamp::ms(kValue).IsInfinite()); |
| |
| EXPECT_FALSE(Timestamp::Infinity().IsFinite()); |
| EXPECT_TRUE(Timestamp::ms(kValue).IsFinite()); |
| } |
| |
| TEST(TimestampTest, ComparisonOperators) { |
| const int64_t kSmall = 450; |
| const int64_t kLarge = 451; |
| |
| EXPECT_EQ(Timestamp::Infinity(), Timestamp::Infinity()); |
| EXPECT_GE(Timestamp::Infinity(), Timestamp::Infinity()); |
| EXPECT_GT(Timestamp::Infinity(), Timestamp::ms(kLarge)); |
| EXPECT_EQ(Timestamp::ms(kSmall), Timestamp::ms(kSmall)); |
| EXPECT_LE(Timestamp::ms(kSmall), Timestamp::ms(kSmall)); |
| EXPECT_GE(Timestamp::ms(kSmall), Timestamp::ms(kSmall)); |
| EXPECT_NE(Timestamp::ms(kSmall), Timestamp::ms(kLarge)); |
| EXPECT_LE(Timestamp::ms(kSmall), Timestamp::ms(kLarge)); |
| EXPECT_LT(Timestamp::ms(kSmall), Timestamp::ms(kLarge)); |
| EXPECT_GE(Timestamp::ms(kLarge), Timestamp::ms(kSmall)); |
| EXPECT_GT(Timestamp::ms(kLarge), Timestamp::ms(kSmall)); |
| } |
| |
| TEST(TimestampTest, CanBeInititializedFromLargeInt) { |
| const int kMaxInt = std::numeric_limits<int>::max(); |
| EXPECT_EQ(Timestamp::seconds(kMaxInt).us(), |
| static_cast<int64_t>(kMaxInt) * 1000000); |
| EXPECT_EQ(Timestamp::ms(kMaxInt).us(), static_cast<int64_t>(kMaxInt) * 1000); |
| } |
| |
| TEST(TimestampTest, ConvertsToAndFromDouble) { |
| const int64_t kMicros = 17017; |
| const double kMicrosDouble = kMicros; |
| const double kMillisDouble = kMicros * 1e-3; |
| const double kSecondsDouble = kMillisDouble * 1e-3; |
| |
| EXPECT_EQ(Timestamp::us(kMicros).seconds<double>(), kSecondsDouble); |
| EXPECT_EQ(Timestamp::seconds(kSecondsDouble).us(), kMicros); |
| |
| EXPECT_EQ(Timestamp::us(kMicros).ms<double>(), kMillisDouble); |
| EXPECT_EQ(Timestamp::ms(kMillisDouble).us(), kMicros); |
| |
| EXPECT_EQ(Timestamp::us(kMicros).us<double>(), kMicrosDouble); |
| EXPECT_EQ(Timestamp::us(kMicrosDouble).us(), kMicros); |
| |
| const double kPlusInfinity = std::numeric_limits<double>::infinity(); |
| |
| EXPECT_EQ(Timestamp::Infinity().seconds<double>(), kPlusInfinity); |
| EXPECT_EQ(Timestamp::Infinity().ms<double>(), kPlusInfinity); |
| EXPECT_EQ(Timestamp::Infinity().us<double>(), kPlusInfinity); |
| |
| EXPECT_TRUE(Timestamp::seconds(kPlusInfinity).IsInfinite()); |
| EXPECT_TRUE(Timestamp::ms(kPlusInfinity).IsInfinite()); |
| EXPECT_TRUE(Timestamp::us(kPlusInfinity).IsInfinite()); |
| } |
| |
| TEST(UnitConversionTest, TimestampAndTimeDeltaMath) { |
| const int64_t kValueA = 267; |
| const int64_t kValueB = 450; |
| const Timestamp time_a = Timestamp::ms(kValueA); |
| const Timestamp time_b = Timestamp::ms(kValueB); |
| const TimeDelta delta_a = TimeDelta::ms(kValueA); |
| |
| EXPECT_EQ((time_a - time_b), TimeDelta::ms(kValueA - kValueB)); |
| EXPECT_EQ((time_b - delta_a), Timestamp::ms(kValueB - kValueA)); |
| EXPECT_EQ((time_b + delta_a), Timestamp::ms(kValueB + kValueA)); |
| } |
| } // namespace test |
| } // namespace webrtc |