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37 #undef NDEBUG /* Keep test strong even for nbdkit built without assertions */
40 #include "ascii-ctype.h"
45 assert (ascii_isspace (' '));
46 assert (ascii_isspace ('\t'));
47 assert (ascii_isspace ('\n'));
48 assert (! ascii_isspace ('a'));
50 assert (ascii_isalpha ('a'));
51 assert (ascii_isalpha ('Z'));
52 assert (ascii_isalpha ('z'));
53 assert (! ascii_isalpha (' '));
54 assert (! ascii_isalpha ('0'));
55 { const char *s
= "Ä"; assert (! ascii_isalpha (s
[0])); }
56 { const char *s
= "®"; assert (! ascii_isalpha (s
[0])); }
58 assert (ascii_isdigit ('0'));
59 assert (ascii_isdigit ('9'));
60 { const char *s
= "Ø"; assert (! ascii_isdigit (s
[0])); } /* U+00D8 */
61 { const char *s
= "9"; assert (! ascii_isdigit (s
[0])); } /* U+FF19 */
63 assert (ascii_islower ('a'));
64 assert (ascii_islower ('z'));
65 assert (! ascii_islower ('Z'));
66 { const char *s
= "Ä"; assert (! ascii_islower (s
[0])); }
68 assert (ascii_isupper ('A'));
69 assert (ascii_isupper ('Z'));
70 assert (! ascii_isupper ('z'));
71 { const char *s
= "Ä"; assert (! ascii_isupper (s
[0])); }
73 assert (ascii_tolower ('A') == 'a');
74 assert (ascii_tolower ('Z') == 'z');
75 assert (ascii_tolower ('a') == 'a');
76 assert (ascii_tolower ('z') == 'z');
77 assert (ascii_tolower ('0') == '0');
78 { const char *s
= "Ä"; assert (ascii_tolower (s
[0]) == s
[0]); }
80 assert (ascii_toupper ('a') == 'A');
81 assert (ascii_toupper ('z') == 'Z');
82 assert (ascii_toupper ('A') == 'A');
83 assert (ascii_toupper ('Z') == 'Z');
84 assert (ascii_toupper ('0') == '0');
85 { const char *s
= "à"; assert (ascii_toupper (s
[0]) == s
[0]); }