98     test(u"", u"", 0);  in main()
99     test(u"", u"abcde", -5);  in main()
100     test(u"", u"abcdefghij", -10);  in main()
101     test(u"", u"abcdefghijklmnopqrst", -20);  in main()
102     test(u"abcde", u"", 5);  in main()
103     test(u"abcde", u"abcde", 0);  in main()
104     test(u"abcde", u"abcdefghij", -5);  in main()
105     test(u"abcde", u"abcdefghijklmnopqrst", -15);  in main()
106     test(u"abcdefghij", u"", 10);  in main()
107     test(u"abcdefghij", u"abcde", 5);  in main()
108     test(u"abcdefghij", u"abcdefghij", 0);  in main()
109     test(u"abcdefghij", u"abcdefghijklmnopqrst", -10);  in main()
110     test(u"abcdefghijklmnopqrst", u"", 20);  in main()
111     test(u"abcdefghijklmnopqrst", u"abcde", 15);  in main()
112     test(u"abcdefghijklmnopqrst", u"abcdefghij", 10);  in main()
113     test(u"abcdefghijklmnopqrst", u"abcdefghijklmnopqrst", 0);  in main()