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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-06-23 17:47:40 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-06-23 17:47:40 +0000 |
| commit | 18a301e5788cbc7f0e1bcc2567d3a1d76fb4bf2a (patch) | |
| tree | 630d1bfd42752004df3a1e0f4db0c9aabab86739 /unittests | |
| parent | 88a564f55ee92e2ffe916d8d69271308d05479d1 (diff) | |
| download | llvm-18a301e5788cbc7f0e1bcc2567d3a1d76fb4bf2a.tar.gz llvm-18a301e5788cbc7f0e1bcc2567d3a1d76fb4bf2a.tar.bz2 llvm-18a301e5788cbc7f0e1bcc2567d3a1d76fb4bf2a.tar.xz | |
Support: Extract ScaledNumbers::compare()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211507 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/Support/ScaledNumberTest.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/unittests/Support/ScaledNumberTest.cpp b/unittests/Support/ScaledNumberTest.cpp index cd3d6fa9c8..f6d7a44754 100644 --- a/unittests/Support/ScaledNumberTest.cpp +++ b/unittests/Support/ScaledNumberTest.cpp @@ -285,4 +285,41 @@ TEST(ScaledNumberHelpersTest, getLgCeiling) { EXPECT_EQ(INT32_MIN, getLgCeiling(UINT64_C(0), 1)); } +TEST(ScaledNumberHelpersTest, Compare) { + EXPECT_EQ(0, compare(UINT32_C(0), 0, UINT32_C(0), 1)); + EXPECT_EQ(0, compare(UINT32_C(0), 0, UINT32_C(0), -10)); + EXPECT_EQ(0, compare(UINT32_C(0), 0, UINT32_C(0), 20)); + EXPECT_EQ(0, compare(UINT32_C(8), 0, UINT32_C(64), -3)); + EXPECT_EQ(0, compare(UINT32_C(8), 0, UINT32_C(32), -2)); + EXPECT_EQ(0, compare(UINT32_C(8), 0, UINT32_C(16), -1)); + EXPECT_EQ(0, compare(UINT32_C(8), 0, UINT32_C(8), 0)); + EXPECT_EQ(0, compare(UINT32_C(8), 0, UINT32_C(4), 1)); + EXPECT_EQ(0, compare(UINT32_C(8), 0, UINT32_C(2), 2)); + EXPECT_EQ(0, compare(UINT32_C(8), 0, UINT32_C(1), 3)); + EXPECT_EQ(-1, compare(UINT32_C(0), 0, UINT32_C(1), 3)); + EXPECT_EQ(-1, compare(UINT32_C(7), 0, UINT32_C(1), 3)); + EXPECT_EQ(-1, compare(UINT32_C(7), 0, UINT32_C(64), -3)); + EXPECT_EQ(1, compare(UINT32_C(9), 0, UINT32_C(1), 3)); + EXPECT_EQ(1, compare(UINT32_C(9), 0, UINT32_C(64), -3)); + EXPECT_EQ(1, compare(UINT32_C(9), 0, UINT32_C(0), 0)); + + EXPECT_EQ(0, compare(UINT64_C(0), 0, UINT64_C(0), 1)); + EXPECT_EQ(0, compare(UINT64_C(0), 0, UINT64_C(0), -10)); + EXPECT_EQ(0, compare(UINT64_C(0), 0, UINT64_C(0), 20)); + EXPECT_EQ(0, compare(UINT64_C(8), 0, UINT64_C(64), -3)); + EXPECT_EQ(0, compare(UINT64_C(8), 0, UINT64_C(32), -2)); + EXPECT_EQ(0, compare(UINT64_C(8), 0, UINT64_C(16), -1)); + EXPECT_EQ(0, compare(UINT64_C(8), 0, UINT64_C(8), 0)); + EXPECT_EQ(0, compare(UINT64_C(8), 0, UINT64_C(4), 1)); + EXPECT_EQ(0, compare(UINT64_C(8), 0, UINT64_C(2), 2)); + EXPECT_EQ(0, compare(UINT64_C(8), 0, UINT64_C(1), 3)); + EXPECT_EQ(-1, compare(UINT64_C(0), 0, UINT64_C(1), 3)); + EXPECT_EQ(-1, compare(UINT64_C(7), 0, UINT64_C(1), 3)); + EXPECT_EQ(-1, compare(UINT64_C(7), 0, UINT64_C(64), -3)); + EXPECT_EQ(1, compare(UINT64_C(9), 0, UINT64_C(1), 3)); + EXPECT_EQ(1, compare(UINT64_C(9), 0, UINT64_C(64), -3)); + EXPECT_EQ(1, compare(UINT64_C(9), 0, UINT64_C(0), 0)); + EXPECT_EQ(-1, compare(UINT64_MAX, 0, UINT64_C(1), 64)); +} + } // end namespace |