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Added code to the unittest for APFloat::getSmallest to double check that we consider the result to be denormal. 

I additionally changed certain checks to use EXPECT_FALSE instead of a boolean
complement with EXPECT_TRUE.

llvm-svn: 182896
This commit is contained in:
Michael Gottesman 2013-05-30 00:18:44 +00:00
parent 55fb21efbb
commit 5455d5b987
1 changed files with 6 additions and 2 deletions
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8
llvm/unittests/ADT/APFloatTest.cpp
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@ -797,26 +797,30 @@ TEST(APFloatTest, getLargest) {
TEST(APFloatTest, getSmallest) {
APFloat test = APFloat::getSmallest(APFloat::IEEEsingle, false);
APFloat expected = APFloat(APFloat::IEEEsingle, "0x0.000002p-126");
EXPECT_TRUE(!test.isNegative());
EXPECT_FALSE(test.isNegative());
EXPECT_TRUE(test.isNormal());
EXPECT_TRUE(test.isDenormal());
EXPECT_TRUE(test.bitwiseIsEqual(expected));
test = APFloat::getSmallest(APFloat::IEEEsingle, true);
expected = APFloat(APFloat::IEEEsingle, "-0x0.000002p-126");
EXPECT_TRUE(test.isNegative());
EXPECT_TRUE(test.isNormal());
EXPECT_TRUE(test.isDenormal());
EXPECT_TRUE(test.bitwiseIsEqual(expected));
test = APFloat::getSmallest(APFloat::IEEEquad, false);
expected = APFloat(APFloat::IEEEquad, "0x0.0000000000000000000000000001p-16382");
EXPECT_TRUE(!test.isNegative());
EXPECT_FALSE(test.isNegative());
EXPECT_TRUE(test.isNormal());
EXPECT_TRUE(test.isDenormal());
EXPECT_TRUE(test.bitwiseIsEqual(expected));
test = APFloat::getSmallest(APFloat::IEEEquad, true);
expected = APFloat(APFloat::IEEEquad, "-0x0.0000000000000000000000000001p-16382");
EXPECT_TRUE(test.isNegative());
EXPECT_TRUE(test.isNormal());
EXPECT_TRUE(test.isDenormal());
EXPECT_TRUE(test.bitwiseIsEqual(expected));
}