Index: base/numerics/safe_numerics_unittest.cc |
diff --git a/base/numerics/safe_numerics_unittest.cc b/base/numerics/safe_numerics_unittest.cc |
index b76892704d39258b386165430b3271ebc0106c28..c0cc5143ea446fec09a39ea9ce71d139149b97ee 100644 |
--- a/base/numerics/safe_numerics_unittest.cc |
+++ b/base/numerics/safe_numerics_unittest.cc |
@@ -831,25 +831,7 @@ |
size_t>::value, |
""); |
-template <typename T> |
-struct CastTest1 { |
- static constexpr T HandleNaN() { return -1; } |
- static constexpr T max() { return numeric_limits<T>::max() - 1; } |
- static constexpr T HandleOverflow() { return max(); } |
- static constexpr T lowest() { return numeric_limits<T>::lowest() + 1; } |
- static constexpr T HandleUnderflow() { return lowest(); } |
-}; |
- |
-template <typename T> |
-struct CastTest2 { |
- static constexpr T HandleNaN() { return 11; } |
- static constexpr T max() { return 10; } |
- static constexpr T HandleOverflow() { return max(); } |
- static constexpr T lowest() { return 1; } |
- static constexpr T HandleUnderflow() { return lowest(); } |
-}; |
- |
-TEST(SafeNumerics, ) { |
+TEST(SafeNumerics, CastTests) { |
// MSVC catches and warns that we're forcing saturation in these tests. |
// Since that's intentional, we need to shut this warning off. |
#if defined(COMPILER_MSVC) |
@@ -910,35 +892,6 @@ |
EXPECT_EQ(numeric_limits<int>::lowest(), |
saturated_cast<int>(double_small_int)); |
EXPECT_EQ(numeric_limits<int>::max(), saturated_cast<int>(double_large_int)); |
- |
- // Test the saturated cast overrides. |
- using FloatLimits = numeric_limits<float>; |
- using IntLimits = numeric_limits<int>; |
- EXPECT_EQ(-1, (saturated_cast<int, CastTest1>(FloatLimits::quiet_NaN()))); |
- EXPECT_EQ(CastTest1<int>::max(), |
- (saturated_cast<int, CastTest1>(FloatLimits::infinity()))); |
- EXPECT_EQ(CastTest1<int>::max(), |
- (saturated_cast<int, CastTest1>(FloatLimits::max()))); |
- EXPECT_EQ(CastTest1<int>::max(), |
- (saturated_cast<int, CastTest1>(float(IntLimits::max())))); |
- EXPECT_EQ(CastTest1<int>::lowest(), |
- (saturated_cast<int, CastTest1>(-FloatLimits::infinity()))); |
- EXPECT_EQ(CastTest1<int>::lowest(), |
- (saturated_cast<int, CastTest1>(FloatLimits::lowest()))); |
- EXPECT_EQ(0, (saturated_cast<int, CastTest1>(0.0))); |
- EXPECT_EQ(1, (saturated_cast<int, CastTest1>(1.0))); |
- EXPECT_EQ(-1, (saturated_cast<int, CastTest1>(-1.0))); |
- EXPECT_EQ(0, (saturated_cast<int, CastTest1>(0))); |
- EXPECT_EQ(1, (saturated_cast<int, CastTest1>(1))); |
- EXPECT_EQ(-1, (saturated_cast<int, CastTest1>(-1))); |
- EXPECT_EQ(CastTest1<int>::lowest(), |
- (saturated_cast<int, CastTest1>(float(IntLimits::lowest())))); |
- EXPECT_EQ(11, (saturated_cast<int, CastTest2>(FloatLimits::quiet_NaN()))); |
- EXPECT_EQ(10, (saturated_cast<int, CastTest2>(FloatLimits::infinity()))); |
- EXPECT_EQ(10, (saturated_cast<int, CastTest2>(FloatLimits::max()))); |
- EXPECT_EQ(1, (saturated_cast<int, CastTest2>(-FloatLimits::infinity()))); |
- EXPECT_EQ(1, (saturated_cast<int, CastTest2>(FloatLimits::lowest()))); |
- EXPECT_EQ(1, (saturated_cast<int, CastTest2>(0U))); |
float not_a_number = std::numeric_limits<float>::infinity() - |
std::numeric_limits<float>::infinity(); |
@@ -984,6 +937,15 @@ |
EXPECT_EQ(1, strict_cast<int>(StrictNumeric<int>(1))); |
} |
+TEST(SafeNumerics, SaturatedCastChecks) { |
+ float not_a_number = std::numeric_limits<float>::infinity() - |
+ std::numeric_limits<float>::infinity(); |
+ EXPECT_TRUE(std::isnan(not_a_number)); |
+ EXPECT_DEATH_IF_SUPPORTED( |
+ (saturated_cast<int, base::CheckOnFailure>(not_a_number)), |
+ ""); |
+} |
+ |
TEST(SafeNumerics, IsValueInRangeForNumericType) { |
EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(0)); |
EXPECT_TRUE(IsValueInRangeForNumericType<uint32_t>(1)); |