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[ADT/MathExtras] Add tests for PowerOf2Floor (previously untested).

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llvm-svn: 286551
This commit is contained in:
Davide Italiano 2016-11-11 02:38:24 +00:00
parent d0483ae084
commit 99d50aaa8a
1 changed files with 6 additions and 0 deletions
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6
unittests/Support/MathExtrasTest.cpp
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@ -171,6 +171,12 @@ TEST(MathExtras, PowerOf2Ceil) {
EXPECT_EQ(8, PowerOf2Ceil(7));
}
TEST(MathExtras, PowerOf2Floor) {
EXPECT_EQ(0, PowerOf2Floor(0));
EXPECT_EQ(8, PowerOf2Floor(8));
EXPECT_EQ(4, PowerOf2Floor(7));
}
TEST(MathExtras, ByteSwap_32) {
EXPECT_EQ(0x44332211u, ByteSwap_32(0x11223344));
EXPECT_EQ(0xDDCCBBAAu, ByteSwap_32(0xAABBCCDD));