59     test(L"", L"", 0);  in main()
60     test(L"", L"abcde", -5);  in main()
61     test(L"", L"abcdefghij", -10);  in main()
62     test(L"", L"abcdefghijklmnopqrst", -20);  in main()
63     test(L"abcde", L"", 5);  in main()
64     test(L"abcde", L"abcde", 0);  in main()
65     test(L"abcde", L"abcdefghij", -5);  in main()
66     test(L"abcde", L"abcdefghijklmnopqrst", -15);  in main()
67     test(L"abcdefghij", L"", 10);  in main()
68     test(L"abcdefghij", L"abcde", 5);  in main()
69     test(L"abcdefghij", L"abcdefghij", 0);  in main()
70     test(L"abcdefghij", L"abcdefghijklmnopqrst", -10);  in main()
71     test(L"abcdefghijklmnopqrst", L"", 20);  in main()
72     test(L"abcdefghijklmnopqrst", L"abcde", 15);  in main()
73     test(L"abcdefghijklmnopqrst", L"abcdefghij", 10);  in main()
74     test(L"abcdefghijklmnopqrst", L"abcdefghijklmnopqrst", 0);  in main()