-template<typename T>
-void SaturatingAddTestHelper()
-{
- EXPECT_EQ(static_cast<T>(3),
- SaturatingAdd(static_cast<T>(1), static_cast<T>(2)));
- EXPECT_EQ(std::numeric_limits<T>::max(),
- SaturatingAdd(std::numeric_limits<T>::max(), static_cast<T>(1)));
- EXPECT_EQ(std::numeric_limits<T>::max(),
- SaturatingAdd(static_cast<T>(1), std::numeric_limits<T>::max()));
- EXPECT_EQ(std::numeric_limits<T>::max(),
- SaturatingAdd(std::numeric_limits<T>::max(),
- std::numeric_limits<T>::max()));
-}
-
-TEST(MathExtras, SaturatingAdd) {
- SaturatingAddTestHelper<uint8_t>();
- SaturatingAddTestHelper<uint16_t>();
- SaturatingAddTestHelper<uint32_t>();
- SaturatingAddTestHelper<uint64_t>();
-}
-
-template<typename T>
-void SaturatingMultiplyTestHelper()
-{
- EXPECT_EQ(static_cast<T>(0),
- SaturatingMultiply(static_cast<T>(1), static_cast<T>(0)));
- EXPECT_EQ(static_cast<T>(0),
- SaturatingMultiply(static_cast<T>(0), static_cast<T>(1)));
- EXPECT_EQ(static_cast<T>(6),
- SaturatingMultiply(static_cast<T>(2), static_cast<T>(3)));
- EXPECT_EQ(std::numeric_limits<T>::max(),
- SaturatingMultiply(std::numeric_limits<T>::max(),
- static_cast<T>(2)));
- EXPECT_EQ(std::numeric_limits<T>::max(),
- SaturatingMultiply(static_cast<T>(2),
- std::numeric_limits<T>::max()));
- EXPECT_EQ(std::numeric_limits<T>::max(),
- SaturatingMultiply(std::numeric_limits<T>::max(),
- std::numeric_limits<T>::max()));
-}
-
-TEST(MathExtras, SaturatingMultiply) {
- SaturatingMultiplyTestHelper<uint8_t>();
- SaturatingMultiplyTestHelper<uint16_t>();
- SaturatingMultiplyTestHelper<uint32_t>();
- SaturatingMultiplyTestHelper<uint64_t>();
-}
-