diff options
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 |
