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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 | 0067ff4678ca8934c06eeb7f6c4dc0f2c8bf62f6 (patch) | |
| tree | c62b2181a9edb94a8c9a67ac0e9816d4df30ad19 /llvm/unittests/Support/ScaledNumberTest.cpp | |
| parent | f7062b23137f3fda28c6edbfbe1b3668af00b0c2 (diff) | |
| download | bcm5719-llvm-0067ff4678ca8934c06eeb7f6c4dc0f2c8bf62f6.tar.gz bcm5719-llvm-0067ff4678ca8934c06eeb7f6c4dc0f2c8bf62f6.zip | |
Support: Extract ScaledNumbers::compare()
llvm-svn: 211507
Diffstat (limited to 'llvm/unittests/Support/ScaledNumberTest.cpp')
| -rw-r--r-- | llvm/unittests/Support/ScaledNumberTest.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/unittests/Support/ScaledNumberTest.cpp b/llvm/unittests/Support/ScaledNumberTest.cpp index cd3d6fa9c8c..f6d7a44754f 100644 --- a/llvm/unittests/Support/ScaledNumberTest.cpp +++ b/llvm/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 |
