diff options
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/Support/ConstantRangeTest.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index a562080981..72540c6999 100644 --- a/unittests/Support/ConstantRangeTest.cpp +++ b/unittests/Support/ConstantRangeTest.cpp @@ -289,6 +289,23 @@ TEST_F(ConstantRangeTest, UnionWith) { ConstantRange(16)); } +TEST_F(ConstantRangeTest, SetDifference) { + EXPECT_EQ(Full.difference(Empty), Full); + EXPECT_EQ(Full.difference(Full), Empty); + EXPECT_EQ(Empty.difference(Empty), Empty); + EXPECT_EQ(Empty.difference(Full), Empty); + + ConstantRange A(APInt(16, 3), APInt(16, 7)); + ConstantRange B(APInt(16, 5), APInt(16, 9)); + ConstantRange C(APInt(16, 3), APInt(16, 5)); + ConstantRange D(APInt(16, 7), APInt(16, 9)); + ConstantRange E(APInt(16, 5), APInt(16, 4)); + ConstantRange F(APInt(16, 7), APInt(16, 3)); + EXPECT_EQ(A.difference(B), C); + EXPECT_EQ(B.difference(A), D); + EXPECT_EQ(E.difference(A), F); +} + TEST_F(ConstantRangeTest, SubtractAPInt) { EXPECT_EQ(Full.subtract(APInt(16, 4)), Full); EXPECT_EQ(Empty.subtract(APInt(16, 4)), Empty); |