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author | Michael Gottesman <mgottesman@apple.com> | 2013-07-01 23:54:08 +0000 |
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committer | Michael Gottesman <mgottesman@apple.com> | 2013-07-01 23:54:08 +0000 |
commit | b57770387ab262a0a23e77f094f599b6c955ba14 (patch) | |
tree | 804b42c3a0d7faeb1d682c60472d11967941bddb /unittests | |
parent | f801b8fe7ace6306b653f5ea68c378f35e9f2d6d (diff) | |
download | llvm-b57770387ab262a0a23e77f094f599b6c955ba14.tar.gz llvm-b57770387ab262a0a23e77f094f599b6c955ba14.tar.bz2 llvm-b57770387ab262a0a23e77f094f599b6c955ba14.tar.xz |
[APFloat] Ensure that we can properly parse strings that do not have null terminators.
rdar://14323230
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185397 91177308-0d34-0410-b5e6-96231b3b80d8
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()); |