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| author | Dimitry Andric <dim@FreeBSD.org> | 2011-07-17 15:36:56 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2011-07-17 15:36:56 +0000 |
| commit | 411bd29eea3c360d5b48a18a17b5e87f5671af0e (patch) | |
| tree | c8086addb211fa670a9d2b1038d8c2e453229755 /unittests/ADT/APIntTest.cpp | |
| parent | 56fe8f14099930935e3870e3e823c322a85c1c89 (diff) | |
Diffstat (limited to 'unittests/ADT/APIntTest.cpp')
| -rw-r--r-- | unittests/ADT/APIntTest.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/unittests/ADT/APIntTest.cpp b/unittests/ADT/APIntTest.cpp index dbd0cb7a2455..1f78cd33bdf1 100644 --- a/unittests/ADT/APIntTest.cpp +++ b/unittests/ADT/APIntTest.cpp @@ -320,6 +320,52 @@ TEST(APIntTest, StringBitsNeeded16) { EXPECT_EQ(9U, APInt::getBitsNeeded("-20", 16)); } +TEST(APIntTest, toString) { + SmallString<16> S; + bool isSigned; + + APInt(8, 0).toString(S, 2, true, true); + EXPECT_EQ(S.str().str(), "0b0"); + S.clear(); + APInt(8, 0).toString(S, 8, true, true); + EXPECT_EQ(S.str().str(), "00"); + S.clear(); + APInt(8, 0).toString(S, 10, true, true); + EXPECT_EQ(S.str().str(), "0"); + S.clear(); + APInt(8, 0).toString(S, 16, true, true); + EXPECT_EQ(S.str().str(), "0x0"); + S.clear(); + + isSigned = false; + APInt(8, 255, isSigned).toString(S, 2, isSigned, true); + EXPECT_EQ(S.str().str(), "0b11111111"); + S.clear(); + APInt(8, 255, isSigned).toString(S, 8, isSigned, true); + EXPECT_EQ(S.str().str(), "0377"); + S.clear(); + APInt(8, 255, isSigned).toString(S, 10, isSigned, true); + EXPECT_EQ(S.str().str(), "255"); + S.clear(); + APInt(8, 255, isSigned).toString(S, 16, isSigned, true); + EXPECT_EQ(S.str().str(), "0xFF"); + S.clear(); + + isSigned = true; + APInt(8, 255, isSigned).toString(S, 2, isSigned, true); + EXPECT_EQ(S.str().str(), "-0b1"); + S.clear(); + APInt(8, 255, isSigned).toString(S, 8, isSigned, true); + EXPECT_EQ(S.str().str(), "-01"); + S.clear(); + APInt(8, 255, isSigned).toString(S, 10, isSigned, true); + EXPECT_EQ(S.str().str(), "-1"); + S.clear(); + APInt(8, 255, isSigned).toString(S, 16, isSigned, true); + EXPECT_EQ(S.str().str(), "-0x1"); + S.clear(); +} + TEST(APIntTest, Log2) { EXPECT_EQ(APInt(15, 7).logBase2(), 2U); EXPECT_EQ(APInt(15, 7).ceilLogBase2(), 3U); |