diff options
Diffstat (limited to '')
| -rw-r--r-- | third_party/libwebrtc/api/units/timestamp_unittest.cc | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/units/timestamp_unittest.cc b/third_party/libwebrtc/api/units/timestamp_unittest.cc new file mode 100644 index 0000000000..43b2985d43 --- /dev/null +++ b/third_party/libwebrtc/api/units/timestamp_unittest.cc @@ -0,0 +1,162 @@ +/* + * 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 <limits> + +#include "api/units/timestamp.h" +#include "test/gtest.h" + +namespace webrtc { +namespace test { +TEST(TimestampTest, ConstExpr) { + constexpr int64_t kValue = 12345; + constexpr Timestamp kTimestampInf = Timestamp::PlusInfinity(); + static_assert(kTimestampInf.IsInfinite(), ""); + static_assert(kTimestampInf.ms_or(-1) == -1, ""); + + constexpr Timestamp kTimestampSeconds = Timestamp::Seconds(kValue); + constexpr Timestamp kTimestampMs = Timestamp::Millis(kValue); + constexpr Timestamp kTimestampUs = Timestamp::Micros(kValue); + + static_assert(kTimestampSeconds.seconds_or(0) == kValue, ""); + static_assert(kTimestampMs.ms_or(0) == kValue, ""); + static_assert(kTimestampUs.us_or(0) == kValue, ""); + + static_assert(kTimestampMs > kTimestampUs, ""); + + EXPECT_EQ(kTimestampSeconds.seconds(), kValue); + EXPECT_EQ(kTimestampMs.ms(), kValue); + EXPECT_EQ(kTimestampUs.us(), kValue); +} + +TEST(TimestampTest, GetBackSameValues) { + const int64_t kValue = 499; + EXPECT_EQ(Timestamp::Millis(kValue).ms(), kValue); + EXPECT_EQ(Timestamp::Micros(kValue).us(), kValue); + EXPECT_EQ(Timestamp::Seconds(kValue).seconds(), kValue); +} + +TEST(TimestampTest, GetDifferentPrefix) { + const int64_t kValue = 3000000; + EXPECT_EQ(Timestamp::Micros(kValue).seconds(), kValue / 1000000); + EXPECT_EQ(Timestamp::Millis(kValue).seconds(), kValue / 1000); + EXPECT_EQ(Timestamp::Micros(kValue).ms(), kValue / 1000); + + EXPECT_EQ(Timestamp::Millis(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::PlusInfinity().IsInfinite()); + EXPECT_TRUE(Timestamp::MinusInfinity().IsInfinite()); + EXPECT_FALSE(Timestamp::Millis(kValue).IsInfinite()); + + EXPECT_FALSE(Timestamp::PlusInfinity().IsFinite()); + EXPECT_FALSE(Timestamp::MinusInfinity().IsFinite()); + EXPECT_TRUE(Timestamp::Millis(kValue).IsFinite()); + + EXPECT_TRUE(Timestamp::PlusInfinity().IsPlusInfinity()); + EXPECT_FALSE(Timestamp::MinusInfinity().IsPlusInfinity()); + + EXPECT_TRUE(Timestamp::MinusInfinity().IsMinusInfinity()); + EXPECT_FALSE(Timestamp::PlusInfinity().IsMinusInfinity()); +} + +TEST(TimestampTest, ComparisonOperators) { + const int64_t kSmall = 450; + const int64_t kLarge = 451; + + EXPECT_EQ(Timestamp::PlusInfinity(), Timestamp::PlusInfinity()); + EXPECT_GE(Timestamp::PlusInfinity(), Timestamp::PlusInfinity()); + EXPECT_GT(Timestamp::PlusInfinity(), Timestamp::Millis(kLarge)); + EXPECT_EQ(Timestamp::Millis(kSmall), Timestamp::Millis(kSmall)); + EXPECT_LE(Timestamp::Millis(kSmall), Timestamp::Millis(kSmall)); + EXPECT_GE(Timestamp::Millis(kSmall), Timestamp::Millis(kSmall)); + EXPECT_NE(Timestamp::Millis(kSmall), Timestamp::Millis(kLarge)); + EXPECT_LE(Timestamp::Millis(kSmall), Timestamp::Millis(kLarge)); + EXPECT_LT(Timestamp::Millis(kSmall), Timestamp::Millis(kLarge)); + EXPECT_GE(Timestamp::Millis(kLarge), Timestamp::Millis(kSmall)); + EXPECT_GT(Timestamp::Millis(kLarge), Timestamp::Millis(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::Millis(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::Micros(kMicros).seconds<double>(), kSecondsDouble); + EXPECT_EQ(Timestamp::Seconds(kSecondsDouble).us(), kMicros); + + EXPECT_EQ(Timestamp::Micros(kMicros).ms<double>(), kMillisDouble); + EXPECT_EQ(Timestamp::Millis(kMillisDouble).us(), kMicros); + + EXPECT_EQ(Timestamp::Micros(kMicros).us<double>(), kMicrosDouble); + EXPECT_EQ(Timestamp::Micros(kMicrosDouble).us(), kMicros); + + const double kPlusInfinity = std::numeric_limits<double>::infinity(); + const double kMinusInfinity = -kPlusInfinity; + + EXPECT_EQ(Timestamp::PlusInfinity().seconds<double>(), kPlusInfinity); + EXPECT_EQ(Timestamp::MinusInfinity().seconds<double>(), kMinusInfinity); + EXPECT_EQ(Timestamp::PlusInfinity().ms<double>(), kPlusInfinity); + EXPECT_EQ(Timestamp::MinusInfinity().ms<double>(), kMinusInfinity); + EXPECT_EQ(Timestamp::PlusInfinity().us<double>(), kPlusInfinity); + EXPECT_EQ(Timestamp::MinusInfinity().us<double>(), kMinusInfinity); + + EXPECT_TRUE(Timestamp::Seconds(kPlusInfinity).IsPlusInfinity()); + EXPECT_TRUE(Timestamp::Seconds(kMinusInfinity).IsMinusInfinity()); + EXPECT_TRUE(Timestamp::Millis(kPlusInfinity).IsPlusInfinity()); + EXPECT_TRUE(Timestamp::Millis(kMinusInfinity).IsMinusInfinity()); + EXPECT_TRUE(Timestamp::Micros(kPlusInfinity).IsPlusInfinity()); + EXPECT_TRUE(Timestamp::Micros(kMinusInfinity).IsMinusInfinity()); +} + +TEST(UnitConversionTest, TimestampAndTimeDeltaMath) { + const int64_t kValueA = 267; + const int64_t kValueB = 450; + const Timestamp time_a = Timestamp::Millis(kValueA); + const Timestamp time_b = Timestamp::Millis(kValueB); + const TimeDelta delta_a = TimeDelta::Millis(kValueA); + const TimeDelta delta_b = TimeDelta::Millis(kValueB); + + EXPECT_EQ((time_a - time_b), TimeDelta::Millis(kValueA - kValueB)); + EXPECT_EQ((time_b - delta_a), Timestamp::Millis(kValueB - kValueA)); + EXPECT_EQ((time_b + delta_a), Timestamp::Millis(kValueB + kValueA)); + + Timestamp mutable_time = time_a; + mutable_time += delta_b; + EXPECT_EQ(mutable_time, time_a + delta_b); + mutable_time -= delta_b; + EXPECT_EQ(mutable_time, time_a); +} + +TEST(UnitConversionTest, InfinityOperations) { + const int64_t kValue = 267; + const Timestamp finite_time = Timestamp::Millis(kValue); + const TimeDelta finite_delta = TimeDelta::Millis(kValue); + EXPECT_TRUE((Timestamp::PlusInfinity() + finite_delta).IsInfinite()); + EXPECT_TRUE((Timestamp::PlusInfinity() - finite_delta).IsInfinite()); + EXPECT_TRUE((finite_time + TimeDelta::PlusInfinity()).IsInfinite()); + EXPECT_TRUE((finite_time - TimeDelta::MinusInfinity()).IsInfinite()); +} +} // namespace test +} // namespace webrtc |