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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-06-20 02:31:03 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-06-20 02:31:03 +0000 |
| commit | e9e44cd1892645331eba16343829448f154880e6 (patch) | |
| tree | 400172602af6b8d0a981a215760622527c66ac92 /llvm/unittests/Support/ScaledNumberTest.cpp | |
| parent | bfb8b9152bf51ec06efd44ab91673434dd5d3d1b (diff) | |
| download | llvm-e9e44cd1892645331eba16343829448f154880e6.zip llvm-e9e44cd1892645331eba16343829448f154880e6.tar.gz llvm-e9e44cd1892645331eba16343829448f154880e6.tar.bz2 | |
Support: Write ScaledNumbers::getAdjusted()
llvm-svn: 211336
Diffstat (limited to 'llvm/unittests/Support/ScaledNumberTest.cpp')
| -rw-r--r-- | llvm/unittests/Support/ScaledNumberTest.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/unittests/Support/ScaledNumberTest.cpp b/llvm/unittests/Support/ScaledNumberTest.cpp index 1fa54ff..dac2405 100644 --- a/llvm/unittests/Support/ScaledNumberTest.cpp +++ b/llvm/unittests/Support/ScaledNumberTest.cpp @@ -57,4 +57,27 @@ TEST(ScaledNumberHelpersTest, getRounded) { EXPECT_EQ(getRounded<uint64_t>(UINT64_MAX, 0, true), SP64(UINT64_C(1) << 63, 1)); } + +TEST(FloatsTest, getAdjusted) { + const uint64_t Max32In64 = UINT32_MAX; + EXPECT_EQ(getAdjusted32(0), SP32(0, 0)); + EXPECT_EQ(getAdjusted32(0, 5), SP32(0, 5)); + EXPECT_EQ(getAdjusted32(UINT32_MAX), SP32(UINT32_MAX, 0)); + EXPECT_EQ(getAdjusted32(Max32In64 << 1), SP32(UINT32_MAX, 1)); + EXPECT_EQ(getAdjusted32(Max32In64 << 1, 1), SP32(UINT32_MAX, 2)); + EXPECT_EQ(getAdjusted32(Max32In64 << 31), SP32(UINT32_MAX, 31)); + EXPECT_EQ(getAdjusted32(Max32In64 << 32), SP32(UINT32_MAX, 32)); + EXPECT_EQ(getAdjusted32(Max32In64 + 1), SP32(1u << 31, 1)); + EXPECT_EQ(getAdjusted32(UINT64_MAX), SP32(1u << 31, 33)); + + EXPECT_EQ(getAdjusted64(0), SP64(0, 0)); + EXPECT_EQ(getAdjusted64(0, 5), SP64(0, 5)); + EXPECT_EQ(getAdjusted64(UINT32_MAX), SP64(UINT32_MAX, 0)); + EXPECT_EQ(getAdjusted64(Max32In64 << 1), SP64(Max32In64 << 1, 0)); + EXPECT_EQ(getAdjusted64(Max32In64 << 1, 1), SP64(Max32In64 << 1, 1)); + EXPECT_EQ(getAdjusted64(Max32In64 << 31), SP64(Max32In64 << 31, 0)); + EXPECT_EQ(getAdjusted64(Max32In64 << 32), SP64(Max32In64 << 32, 0)); + EXPECT_EQ(getAdjusted64(Max32In64 + 1), SP64(Max32In64 + 1, 0)); + EXPECT_EQ(getAdjusted64(UINT64_MAX), SP64(UINT64_MAX, 0)); +} } |