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authorDuncan P. N. Exon Smith <dexonsmith@apple.com>2014-06-20 02:31:03 +0000
committerDuncan P. N. Exon Smith <dexonsmith@apple.com>2014-06-20 02:31:03 +0000
commit5cf39383da201784a40eb47cfd289cbe98972145 (patch)
treefefb7039496734a77f67b5cc0f11e828a98a964a /unittests
parent8483dacfd804c71adc73764cee7f1304d1c8977c (diff)
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Support: Write ScaledNumbers::getAdjusted()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211336 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
-rw-r--r--unittests/Support/ScaledNumberTest.cpp23
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));
+}
}