[ADT] Clean up SparseBitVector copying and make it moveable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@345829 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 0 deletions

diff --git a/unittests/ADT/SparseBitVectorTest.cpp b/unittests/ADT/SparseBitVectorTest.cpp
index 097f4a0b737..7675ddac14b 100644
--- a/unittests/ADT/SparseBitVectorTest.cpp
+++ b/unittests/ADT/SparseBitVectorTest.cpp
@@ -36,6 +36,22 @@ TEST(SparseBitVectorTest, TrivialOperation) {
   const SparseBitVector<> ConstVec = Vec;
   EXPECT_TRUE(ConstVec.test(5));
   EXPECT_FALSE(ConstVec.test(17));
+
+  Vec.set(1337);
+  EXPECT_TRUE(Vec.test(1337));
+  Vec = ConstVec;
+  EXPECT_FALSE(Vec.test(1337));
+
+  Vec.set(1337);
+  EXPECT_FALSE(Vec.empty());
+  SparseBitVector<> MovedVec(std::move(Vec));
+  EXPECT_TRUE(Vec.empty());
+  EXPECT_TRUE(MovedVec.test(5));
+  EXPECT_TRUE(MovedVec.test(1337));
+
+  Vec = std::move(MovedVec);
+  EXPECT_TRUE(MovedVec.empty());
+  EXPECT_FALSE(Vec.empty());
 }
 
 TEST(SparseBitVectorTest, IntersectWith) {