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| -rw-r--r-- | ctype.c | 84 |
1 files changed, 84 insertions, 0 deletions
@@ -0,0 +1,84 @@ +#include "test.h" +#include <stdio.h> +#include <ctype.h> +#include <limits.h> + +#define UPPER "ABCDEFGHIJKLMNOPQRSTUVWXYZ" +#define LOWER "abcdefghijklmnopqrstuvwxyz" +#define DIGIT "0123456789" +#define HEX DIGIT "ABCDEFabcdef" +#define CNTRL "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" \ + "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f" +#define PUNCT "`~!@#$%^&*()_+-=[]\\{}|;':\",./<>?" +#define GRAPH UPPER LOWER DIGIT PUNCT +#define PRINT GRAPH " " +#define SPACE " \f\n\r\t\v" + +#define test_ctype_function(fn, ex) test_ctype_function_imp(#fn, fn, ex, sizeof(ex)) +#define test_ctype_conversion(fn, from, to) test_ctype_conversion_imp(#fn, fn, from, to) + +static int is_expected(int n, const char *expected, size_t len) +{ + size_t i; + for (i = 0; i < len - 1; i++) { + if (expected[i] == n) { + return 1; + } + } + return 0; +} + +static void test_ctype_function_imp(const char *fnname, int (*fn)(int), const char *expected, size_t len) +{ + char expression[64]; + int i; + for (i = 0; i < UCHAR_MAX; i++) { + sprintf(expression, "%s(%d)", fnname, i); + test_bool_imp(expression, fn(i), is_expected(i, expected, len)); + } + sprintf(expression, "%s(EOF)", fnname); + test_bool_imp(expression, fn(EOF), 0); +} + +static int convert(const char *from, const char *to, int n) +{ + size_t i; + for (i = 0; from[i] != '\0'; i++) { + if (from[i] == n) { + return to[i]; + } + } + return n; +} + +static void test_ctype_conversion_imp(const char *fnname, int (*fn)(int), const char *from, const char *to) +{ + char expression[64]; + int i; + for (i = 0; i < UCHAR_MAX; i++) { + int j = convert(from, to, i); + sprintf(expression, "%s(%d)", fnname, i); + test_int_equals_imp(expression, fn(i), j); + } + sprintf(expression, "%s(EOF)", fnname); + test_int_equals_imp(expression, fn(EOF), EOF); +} + +void test_ctype(void) +{ + testing_header("ctype.h"); + test_ctype_function(isalnum, UPPER LOWER DIGIT); + test_ctype_function(isalpha, UPPER LOWER); + test_ctype_function(iscntrl, CNTRL); + test_ctype_function(isdigit, DIGIT); + test_ctype_function(isgraph, GRAPH); + test_ctype_function(islower, LOWER); + test_ctype_function(isprint, PRINT); + test_ctype_function(ispunct, PUNCT); + test_ctype_function(isspace, SPACE); + test_ctype_function(isupper, UPPER); + test_ctype_function(isxdigit, HEX); + + test_ctype_conversion(tolower, UPPER, LOWER); + test_ctype_conversion(toupper, LOWER, UPPER); +} |