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Diffstat (limited to 'strrncaseeqlen.c')
| -rw-r--r-- | strrncaseeqlen.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/strrncaseeqlen.c b/strrncaseeqlen.c new file mode 100644 index 0000000..d904577 --- /dev/null +++ b/strrncaseeqlen.c @@ -0,0 +1,44 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" +#ifndef TEST + + +extern inline size_t libsimple_strrncaseeqlen(const char *, const char *, size_t); + + +#else +#include "test.h" + +int +main(void) +{ + size_t i, j, n; + + for (n = 0; n < 10; n++) { + char a[] = "abcdefgh", b[] = "ABCDEFGH"; + size_t I, J; + assert(libsimple_strrncaseeqlen("", "", n) == 0); + assert(libsimple_strrncaseeqlen("x", "", n) == 0); + assert(libsimple_strrncaseeqlen("x", "y", n) == 0); + assert(libsimple_strrncaseeqlen("", "y", n) == 0); + for (i = 0; i <= 8; i++) { + for (j = 0; j <= 8; j++) { + I = 8 - i; + J = 8 - j; + assert(libsimple_strrncaseeqlen(&a[i], &b[j], n) == (I == J ? MIN(I,n) : MIN(I,J) * (n >= MAX(I,J)))); + assert(libsimple_strrncaseeqlen(&b[i], &a[j], n) == (I == J ? MIN(I,n) : MIN(I,J) * (n >= MAX(I,J)))); + a[i] = b[j] = '\0'; + assert(libsimple_strrncaseeqlen(a, b, n) == (MIN(i, n) == MIN(j, n) ? MIN(i, n) : 0)); + assert(libsimple_strrncaseeqlen(b, a, n) == (MIN(i, n) == MIN(j, n) ? MIN(i, n) : 0)); + a[i] = "abcdefgh"[i]; + b[j] = "ABCDEFGH"[j]; + } + } + assert(libsimple_strrncaseeqlen("abc", "abc", n) == MIN(3, n)); + assert(libsimple_strrncaseeqlen("123", "123", n) == MIN(3, n)); + } + + return 0; +} + +#endif |