Criterion/test/asprintf.c

#include "criterion/criterion.h"
#include "criterion/theories.h"
#include "criterion/internal/asprintf-compat.h"

#include <stdio.h>

union anyval {
    int c;
    int hd;
    int d;
    long ld;
    long long lld;
    unsigned int hu;
    unsigned int u;
    unsigned long lu;
    unsigned long long llu;
    double f;
    const char *s;
    void *p;
};

struct format_test {
    const char *format;
    union anyval *val;
};

# define VALUE(Fmt, Val) &(struct format_test) { .format = "%" #Fmt, .val = &(union anyval) { . Fmt = Val } }

TheoryDataPoints(asprintf, valid) = {
    DataPoints(struct format_test *,
            VALUE(c, 'a'),
            VALUE(hd, 42),
            VALUE(d, 42),
            VALUE(ld, 42),
            VALUE(lld, 42),
            VALUE(hu, 42),
            VALUE(u, 42),
            VALUE(lu, 42),
            VALUE(llu, 42),
            VALUE(f, 3.14),
            VALUE(s, "foo"),
            VALUE(p, NULL),
        ),
};

Theory((struct format_test *fmt), asprintf, valid) {
    char expected[32];
    snprintf(expected, sizeof (expected), fmt->format, *fmt->val);

    char *actual;
    cr_asprintf(&actual, fmt->format, *fmt->val);

    cr_expect_str_eq(actual, expected);

    free(actual);
}