1 files changed, 21 insertions, 0 deletions
diff --git a/unittests/ADT/SparseBitVectorTest.cpp b/unittests/ADT/SparseBitVectorTest.cpp
index 9d6f4f1665d54..7675ddac14b67 100644
--- a/unittests/ADT/SparseBitVectorTest.cpp
+++ b/unittests/ADT/SparseBitVectorTest.cpp
@@ -31,6 +31,27 @@ TEST(SparseBitVectorTest, TrivialOperation) {
   EXPECT_TRUE(Vec.test(17));
   Vec.clear();
   EXPECT_FALSE(Vec.test(17));
+
+  Vec.set(5);
+  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) {