diff options
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/Support/ScaledNumberTest.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/unittests/Support/ScaledNumberTest.cpp b/unittests/Support/ScaledNumberTest.cpp index 1fa54ff81d..dac24051a6 100644 --- a/unittests/Support/ScaledNumberTest.cpp +++ b/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)); +} } |