diff options
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/ADT/APFloatTest.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp index d322bcdeac..46dfbd1d13 100644 --- a/unittests/ADT/APFloatTest.cpp +++ b/unittests/ADT/APFloatTest.cpp @@ -538,6 +538,31 @@ TEST(APFloatTest, Zero) { EXPECT_TRUE(APFloat(-0.0).isNegative()); } +TEST(APFloatTest, DecimalStringsWithoutNullTerminators) { + // Make sure that we can parse strings without null terminators. + // rdar://14323230. + APFloat Val(APFloat::IEEEdouble); + Val.convertFromString(StringRef("0.00", 3), + llvm::APFloat::rmNearestTiesToEven); + EXPECT_EQ(Val.convertToDouble(), 0.0); + Val.convertFromString(StringRef("0.01", 3), + llvm::APFloat::rmNearestTiesToEven); + EXPECT_EQ(Val.convertToDouble(), 0.0); + Val.convertFromString(StringRef("0.09", 3), + llvm::APFloat::rmNearestTiesToEven); + EXPECT_EQ(Val.convertToDouble(), 0.0); + Val.convertFromString(StringRef("0.095", 4), + llvm::APFloat::rmNearestTiesToEven); + EXPECT_EQ(Val.convertToDouble(), 0.09); + Val.convertFromString(StringRef("0.00e+3", 7), + llvm::APFloat::rmNearestTiesToEven); + EXPECT_EQ(Val.convertToDouble(), 0.00); + Val.convertFromString(StringRef("0e+3", 4), + llvm::APFloat::rmNearestTiesToEven); + EXPECT_EQ(Val.convertToDouble(), 0.00); + +} + TEST(APFloatTest, fromZeroDecimalString) { EXPECT_EQ( 0.0, APFloat(APFloat::IEEEdouble, "0").convertToDouble()); EXPECT_EQ(+0.0, APFloat(APFloat::IEEEdouble, "+0").convertToDouble()); |