ref: 09065798bf0445de3ec4a34ef714bdae3502f198
dir: /tests/libc/execute/0037-malloc.c/
#include <assert.h> #include <stdlib.h> /* output: end: */ int check_test1(void **vec) { int i, cnt; for (i = cnt = 0; i < 100; i++) { if (vec[i]) cnt++; } return cnt; } void test() { int i,n, which, nalloc; static void *p[100]; nalloc = 0; for (i = 0; i < 5000; i++) { which = rand() % 2; if (which == 0 && nalloc < 100) { for (n = rand()%100; p[n]; n = rand()%100) ; p[n] = malloc(rand() + 1); nalloc++; } else if (nalloc > 0) { n = rand() % 100; if (p[n]) nalloc--; free(p[n]); p[n] = NULL; } assert(check_test1(p) == nalloc); } for (i = 0; i < nalloc; i++) { for (n = 0; n < 100 && !p[n]; n++) ; assert(n < 100); free(p[n]); p[n] = NULL; } assert(check_test1(p) == 0); for (i = 0; i < 100; i++) assert(p[i] == NULL); /* TODO: Add a verifier here */ } int main() { puts("testing"); test(); puts("done"); return 0; }