using namespace llvm;
+TEST(MapVectorTest, swap) {
+ MapVector<int, int> MV1, MV2;
+ std::pair<MapVector<int, int>::iterator, bool> R;
+
+ R = MV1.insert(std::make_pair(1, 2));
+ ASSERT_EQ(R.first, MV1.begin());
+ EXPECT_EQ(R.first->first, 1);
+ EXPECT_EQ(R.first->second, 2);
+ EXPECT_TRUE(R.second);
+
+ EXPECT_FALSE(MV1.empty());
+ EXPECT_TRUE(MV2.empty());
+ MV2.swap(MV1);
+ EXPECT_TRUE(MV1.empty());
+ EXPECT_FALSE(MV2.empty());
+
+ auto I = MV1.find(1);
+ ASSERT_EQ(MV1.end(), I);
+
+ I = MV2.find(1);
+ ASSERT_EQ(I, MV2.begin());
+ EXPECT_EQ(I->first, 1);
+ EXPECT_EQ(I->second, 2);
+}
+
TEST(MapVectorTest, insert_pop) {
MapVector<int, int> MV;
std::pair<MapVector<int, int>::iterator, bool> R;