📄 test15.c
字号:
/* Strpbrk - somewhat like strchr */
it = "strpbrk";
check(strpbrk("abcd", "z") == NULL, 1); /* Not found. */
(void) strcpy(one, "abcd");
check(strpbrk(one, "c") == one + 2, 2); /* Basic test. */
check(strpbrk(one, "d") == one + 3, 3); /* End of string. */
check(strpbrk(one, "a") == one, 4); /* Beginning. */
check(strpbrk(one, "") == NULL, 5); /* Empty search list. */
check(strpbrk(one, "cb") == one + 1, 6); /* Multiple search. */
(void) strcpy(one, "abcabdea");
check(strpbrk(one, "b") == one + 1, 7); /* Finding first. */
check(strpbrk(one, "cb") == one + 1, 8); /* With multiple search. */
check(strpbrk(one, "db") == one + 1, 9); /* Another variant. */
(void) strcpy(one, "");
check(strpbrk(one, "bc") == NULL, 10); /* Empty string. */
check(strpbrk(one, "") == NULL, 11); /* Both strings empty. */
/* Strstr - somewhat like strchr */
it = "strstr";
check(strstr("abcd", "z") == NULL, 1); /* Not found. */
check(strstr("abcd", "abx") == NULL, 2); /* Dead end. */
(void) strcpy(one, "abcd");
check(strstr(one, "c") == one + 2, 3); /* Basic test. */
check(strstr(one, "bc") == one + 1, 4); /* Multichar. */
check(strstr(one, "d") == one + 3, 5); /* End of string. */
check(strstr(one, "cd") == one + 2, 6); /* Tail of string. */
check(strstr(one, "abc") == one, 7); /* Beginning. */
check(strstr(one, "abcd") == one, 8); /* Exact match. */
check(strstr(one, "abcde") == NULL, 9); /* Too long. */
check(strstr(one, "de") == NULL, 10); /* Past end. */
#ifdef NOT_ANSI
check(strstr(one, "") == one + 4, 11); /* Finding empty. */
#else
check(strstr(one, "") == one, 11); /* Finding empty. */
#endif
(void) strcpy(one, "ababa");
check(strstr(one, "ba") == one + 1, 12); /* Finding first. */
(void) strcpy(one, "");
check(strstr(one, "b") == NULL, 13); /* Empty string. */
check(strstr(one, "") == one, 14); /* Empty in empty string. */
(void) strcpy(one, "bcbca");
check(strstr(one, "bca") == one + 2, 15); /* False start. */
(void) strcpy(one, "bbbcabbca");
check(strstr(one, "bbca") == one + 1, 16); /* With overlap. */
/* Strspn */
it = "strspn";
check(strspn("abcba", "abc") == 5, 1); /* Whole string. */
check(strspn("abcba", "ab") == 2, 2); /* Partial. */
check(strspn("abc", "qx") == 0, 3); /* None. */
check(strspn("", "ab") == 0, 4); /* Null string. */
check(strspn("abc", "") == 0, 5); /* Null search list. */
/* Strcspn */
it = "strcspn";
check(strcspn("abcba", "qx") == 5, 1); /* Whole string. */
check(strcspn("abcba", "cx") == 2, 2); /* Partial. */
check(strcspn("abc", "abc") == 0, 3); /* None. */
check(strcspn("", "ab") == 0, 4); /* Null string. */
check(strcspn("abc", "") == 3, 5); /* Null search list. */
/* Strtok - the hard one */
it = "strtok";
(void) strcpy(one, "first, second, third");
equal(strtok(one, ", "), "first", 1); /* Basic test. */
equal(one, "first", 2);
equal(strtok((char *) NULL, ", "), "second", 3);
equal(strtok((char *) NULL, ", "), "third", 4);
check(strtok((char *) NULL, ", ") == NULL, 5);
(void) strcpy(one, ", first, ");
equal(strtok(one, ", "), "first", 6); /* Extra delims, 1 tok. */
check(strtok((char *) NULL, ", ") == NULL, 7);
(void) strcpy(one, "1a, 1b; 2a, 2b");
equal(strtok(one, ", "), "1a", 8); /* Changing delim lists. */
equal(strtok((char *) NULL, "; "), "1b", 9);
equal(strtok((char *) NULL, ", "), "2a", 10);
(void) strcpy(two, "x-y");
equal(strtok(two, "-"), "x", 11); /* New string before done. */
equal(strtok((char *) NULL, "-"), "y", 12);
check(strtok((char *) NULL, "-") == NULL, 13);
(void) strcpy(one, "a,b, c,, ,d");
equal(strtok(one, ", "), "a", 14); /* Different separators. */
equal(strtok((char *) NULL, ", "), "b", 15);
equal(strtok((char *) NULL, " ,"), "c", 16); /* Permute list too. */
equal(strtok((char *) NULL, " ,"), "d", 17);
check(strtok((char *) NULL, ", ") == NULL, 18);
check(strtok((char *) NULL, ", ") == NULL, 19); /* Persistence. */
(void) strcpy(one, ", ");
check(strtok(one, ", ") == NULL, 20); /* No tokens. */
(void) strcpy(one, "");
check(strtok(one, ", ") == NULL, 21); /* Empty string. */
(void) strcpy(one, "abc");
equal(strtok(one, ", "), "abc", 22); /* No delimiters. */
check(strtok((char *) NULL, ", ") == NULL, 23);
(void) strcpy(one, "abc");
equal(strtok(one, ""), "abc", 24); /* Empty delimiter list. */
check(strtok((char *) NULL, "") == NULL, 25);
(void) strcpy(one, "abcdefgh");
(void) strcpy(one, "a,b,c");
equal(strtok(one, ","), "a", 26); /* Basics again... */
equal(strtok((char *) NULL, ","), "b", 27);
equal(strtok((char *) NULL, ","), "c", 28);
check(strtok((char *) NULL, ",") == NULL, 29);
equal(one + 6, "gh", 30); /* Stomped past end? */
equal(one, "a", 31); /* Stomped old tokens? */
equal(one + 2, "b", 32);
equal(one + 4, "c", 33);
/* Memcmp */
it = "memcmp";
check(memcmp("a", "a", 1) == 0, 1); /* Identity. */
check(memcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */
check(memcmp("abcd", "abce", 4) < 0, 3); /* Honestly unequal. */
check(memcmp("abce", "abcd", 4) > 0, 4);
check(memcmp("alph", "beta", 4) < 0, 5);
#ifdef NOT_ANSI
if (charsigned)
check(memcmp("a\203", "a\003", 2) < 0, 6);
else
check(memcmp("a\203", "a\003", 2) > 0, 6);
#else
check(memcmp("a\203", "a\003", 2) > 0, 6);
#endif
check(memcmp("abce", "abcd", 3) == 0, 7); /* Count limited. */
check(memcmp("abc", "def", 0) == 0, 8); /* Zero count. */
check(memcmp("a" + 1, "a" + 1, 1) == 0, 9); /* Unaligned tests. */
check(memcmp("abc" + 1, "bc", 2) == 0, 10);
check(memcmp("bc", "abc" + 1, 2) == 0, 11);
check(memcmp("abcd" + 1, "abce" + 1, 3) < 0, 12);
check(memcmp("abce" + 1, "abcd" + 1, 3) > 0, 13);
/*
check(memcmp("a\203" + 1, "a\003" + 1, 1) > 0, 14);
*/
check(memcmp("abcde" + 1, "abcdf" + 1, 3) == 0, 15);
/* Memchr */
it = "memchr";
check(memchr("abcd", 'z', 4) == NULL, 1); /* Not found. */
(void) strcpy(one, "abcd");
check( (char *)memchr(one, 'c', 4) == one + 2, 2); /* Basic test. */
check( (char *)memchr(one, 'd', 4) == one + 3, 3); /* End of string. */
check( (char *)memchr(one, 'a', 4) == one, 4); /* Beginning. */
check( (char *)memchr(one, '\0', 5) == one + 4, 5); /* Finding NUL. */
(void) strcpy(one, "ababa");
check( (char *)memchr(one, 'b', 5) == one + 1, 6); /* Finding first. */
check( (char *)memchr(one, 'b', 0) == NULL, 7); /* Zero count. */
check( (char *)memchr(one, 'a', 1) == one, 8); /* Singleton case. */
(void) strcpy(one, "a\203b");
check( (char *)memchr(one, 0203, 3) == one + 1, 9); /* Unsignedness. */
/* Memcpy
* Note that X3J11 says memcpy may fail on overlap. */
it = "memcpy";
check( (char *)memcpy(one, "abc", 4) == one, 1); /* Returned value. */
equal(one, "abc", 2); /* Did the copy go right? */
(void) strcpy(one, "abcdefgh");
(void) memcpy(one + 1, "xyz", 2);
equal(one, "axydefgh", 3); /* Basic test. */
(void) strcpy(one, "abc");
(void) memcpy(one, "xyz", 0);
equal(one, "abc", 4); /* Zero-length copy. */
(void) strcpy(one, "hi there");
(void) strcpy(two, "foo");
(void) memcpy(two, one, 9);
equal(two, "hi there", 5); /* Just paranoia. */
equal(one, "hi there", 6); /* Stomped on source? */
(void) strcpy(one, "abcde"); /* Unaligned tests. */
(void) memcpy(one + 1, "\0\0\0\0\0", 1);
equal(one, "a", 7);
equal(one + 2, "cde", 8);
(void) memcpy(one + 1, "xyz" + 1, 2);
equal(one, "ayzde", 9);
(void) memcpy(one + 1, "xyz" + 1, 3);
equal(one, "ayz", 10);
/* Memmove
* Note that X3J11 says memmove must work regardless of overlap. */
it = "memmove";
check( (char *)memmove(one, "abc", 4) == one, 1); /* Returned value. */
equal(one, "abc", 2); /* Did the copy go right? */
(void) strcpy(one, "abcdefgh");
(void) memmove(one + 1, "xyz", 2);
equal(one, "axydefgh", 3); /* Basic test. */
(void) strcpy(one, "abc");
(void) memmove(one, "xyz", 0);
equal(one, "abc", 4); /* Zero-length copy. */
(void) strcpy(one, "hi there");
(void) strcpy(two, "foo");
(void) memmove(two, one, 9);
equal(two, "hi there", 5); /* Just paranoia. */
equal(one, "hi there", 6); /* Stomped on source? */
(void) strcpy(one, "abcdefgh");
(void) memmove(one + 1, one, 9);
equal(one, "aabcdefgh", 7); /* Overlap, right-to-left. */
(void) strcpy(one, "abcdefgh");
(void) memmove(one + 1, one + 2, 7);
equal(one, "acdefgh", 8); /* Overlap, left-to-right. */
(void) strcpy(one, "abcdefgh");
(void) memmove(one, one, 9);
equal(one, "abcdefgh", 9); /* 100% overlap. */
(void) strcpy(one, "abcde"); /* Unaligned tests. */
(void) memmove(one + 1, "\0\0\0\0\0", 1);
equal(one, "a", 10);
equal(one + 2, "cde", 11);
(void) memmove(one + 1, "xyz" + 1, 2);
equal(one, "ayzde", 12);
(void) memmove(one + 1, "xyz" + 1, 3);
equal(one, "ayz", 13);
(void) strcpy(one, "abcdefgh");
(void) memmove(one + 2, one + 1, 8);
equal(one, "abbcdefgh", 14);
/* Memccpy - first test like memcpy, then the search part
* The SVID, the only place where memccpy is mentioned, says overlap
* might fail, so we don't try it. Besides, it's hard to see the
* rationale for a non-left-to-right memccpy. */
it = "memccpy";
check(memccpy(one, "abc", 'q', 4) == NULL, 1); /* Returned value. */
equal(one, "abc", 2); /* Did the copy go right? */
(void) strcpy(one, "abcdefgh");
(void) memccpy(one + 1, "xyz", 'q', 2);
equal(one, "axydefgh", 3); /* Basic test. */
(void) strcpy(one, "abc");
(void) memccpy(one, "xyz", 'q', 0);
equal(one, "abc", 4); /* Zero-length copy. */
(void) strcpy(one, "hi there");
(void) strcpy(two, "foo");
(void) memccpy(two, one, 'q', 9);
equal(two, "hi there", 5); /* Just paranoia. */
equal(one, "hi there", 6); /* Stomped on source? */
(void) strcpy(one, "abcdefgh");
(void) strcpy(two, "horsefeathers");
check( (char *)memccpy(two, one, 'f', 9) == two + 6, 7);/* Returned value. */
equal(one, "abcdefgh", 8); /* Source intact? */
equal(two, "abcdefeathers", 9); /* Copy correct? */
(void) strcpy(one, "abcd");
(void) strcpy(two, "bumblebee");
check((char *)memccpy(two, one, 'a', 4) == two + 1, 10); /* First char. */
equal(two, "aumblebee", 11);
check((char *)memccpy(two, one, 'd', 4) == two + 4, 12); /* Last char. */
equal(two, "abcdlebee", 13);
(void) strcpy(one, "xyz");
check((char *)memccpy(two, one, 'x', 1) == two + 1, 14); /* Singleton. */
equal(two, "xbcdlebee", 15);
/* Memset */
it = "memset";
(void) strcpy(one, "abcdefgh");
check( (char *) memset(one + 1, 'x', 3) == one + 1, 1); /* Return value. */
equal(one, "axxxefgh", 2); /* Basic test. */
(void) memset(one + 2, 'y', 0);
equal(one, "axxxefgh", 3); /* Zero-length set. */
(void) memset(one + 5, 0, 1);
equal(one, "axxxe", 4); /* Zero fill. */
equal(one + 6, "gh", 5); /* And the leftover. */
(void) memset(one + 2, 010045, 1);
equal(one, "ax\045xe", 6); /* Unsigned char convert. */
/* Bcopy - much like memcpy
* Berklix manual is silent about overlap, so don't test it. */
it = "bcopy";
(void) bcopy("abc", one, 4);
equal(one, "abc", 1); /* Simple copy. */
(void) strcpy(one, "abcdefgh");
(void) bcopy("xyz", one + 1, 2);
equal(one, "axydefgh", 2); /* Basic test. */
(void) strcpy(one, "abc");
(void) bcopy("xyz", one, 0);
equal(one, "abc", 3); /* Zero-length copy. */
(void) strcpy(one, "hi there");
(void) strcpy(two, "foo");
(void) bcopy(one, two, 9);
equal(two, "hi there", 4); /* Just paranoia. */
equal(one, "hi there", 5); /* Stomped on source? */
/* Bzero */
it = "bzero";
(void) strcpy(one, "abcdef");
bzero(one + 2, 2);
equal(one, "ab", 1); /* Basic test. */
equal(one + 3, "", 2);
equal(one + 4, "ef", 3);
(void) strcpy(one, "abcdef");
bzero(one + 2, 0);
equal(one, "abcdef", 4); /* Zero-length copy. */
/* Bcmp - somewhat like memcmp */
it = "bcmp";
check(bcmp("a", "a", 1) == 0, 1); /* Identity. */
check(bcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */
check(bcmp("abcd", "abce", 4) != 0, 3); /* Honestly unequal. */
check(bcmp("abce", "abcd", 4) != 0, 4);
check(bcmp("alph", "beta", 4) != 0, 5);
check(bcmp("abce", "abcd", 3) == 0, 6); /* Count limited. */
check(bcmp("abc", "def", 0) == 0, 8); /* Zero count. */
#ifdef ERR
/* Strerror - VERY system-dependent */
it = "strerror";
f = open("/", O_WRONLY); /* Should always fail. */
check(f < 0 && errno > 0 && errno < sys_nerr, 1);
equal(strerror(errno), sys_errlist[errno], 2);
#ifdef UNIXERR
equal(strerror(errno), "Is a directory", 3);
#endif
#ifdef BERKERR
equal(strerror(errno), "Permission denied", 3);
#endif
#endif
}
void quit()
{
chdir("..");
system("rm -rf DIR*");
if (errct == 0) {
printf("ok\n");
exit(0);
} else {
printf("%d errors\n", errct);
exit(1);
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -