14         .next = nullptr,  in TEST()
18     ASSERT_NE(jar.next, nullptr);  in TEST()
20     ASSERT_EQ(jar.next, nullptr);  in TEST()
27     ASSERT_EQ(jar.next, nullptr);  in TEST()
29     ASSERT_EQ(jar.next, nullptr);  in TEST()
40         .next = nullptr,  in TEST()
44     ASSERT_NE(jar.next, nullptr);  in TEST()
49     ASSERT_NE(jar.next, nullptr);  in TEST()
51     ASSERT_EQ(jar.next, nullptr);  in TEST()
63             .next = nullptr,  in TEST()
70             .next = nullptr,  in TEST()
76     ASSERT_NE(jar.next, nullptr);  in TEST()
79     ASSERT_EQ(jar.next, nullptr);  in TEST()