diff options
Diffstat (limited to 'unittests/ADT/APFloatTest.cpp')
| -rw-r--r-- | unittests/ADT/APFloatTest.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp index b02cc3e317..3277c836da 100644 --- a/unittests/ADT/APFloatTest.cpp +++ b/unittests/ADT/APFloatTest.cpp @@ -236,6 +236,13 @@ TEST(APFloatTest, fromDecimalString) { EXPECT_EQ(2.05e12, APFloat(APFloat::IEEEdouble, "002.05000e12").convertToDouble()); EXPECT_EQ(2.05e+12, APFloat(APFloat::IEEEdouble, "002.05000e+12").convertToDouble()); EXPECT_EQ(2.05e-12, APFloat(APFloat::IEEEdouble, "002.05000e-12").convertToDouble()); + + // These are "carefully selected" to overflow the fast log-base + // calculations in APFloat.cpp + EXPECT_TRUE(APFloat(APFloat::IEEEdouble, "99e99999").isInfinity()); + EXPECT_TRUE(APFloat(APFloat::IEEEdouble, "-99e99999").isInfinity()); + EXPECT_TRUE(APFloat(APFloat::IEEEdouble, "1e-99999").isPosZero()); + EXPECT_TRUE(APFloat(APFloat::IEEEdouble, "-1e-99999").isNegZero()); } TEST(APFloatTest, fromHexadecimalString) { |