TEST(TStr, GetStr) { TStr Str = "abcdef"; TStr Empty = ""; const TStr& Ref = Str.GetStr(); Str[0] = 'x'; EXPECT_EQ(Ref[0], 'x'); EXPECT_EQ(Ref[1], 'b'); const TStr& RefEmpty = Empty.GetStr(); EXPECT_EQ(RefEmpty, ""); }