1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/unittests/ADT/SparseBitVectorTest.cpp b/llvm/unittests/ADT/SparseBitVectorTest.cpp
index 097f4a0b737..7675ddac14b 100644
--- a/llvm/unittests/ADT/SparseBitVectorTest.cpp
+++ b/llvm/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) {