11 	char *s;  in test_zero()  local
15 	s = (char *)mallocx(sz_min, 0);  in test_zero()
16 	assert_ptr_not_null((void *)s, "Unexpected mallocx() failure");  in test_zero()
18 	for (sz = sallocx(s, 0); sz <= sz_max;  in test_zero()
19 	    sz_prev = sz, sz = sallocx(s, 0)) {  in test_zero()
21 			assert_c_eq(s[0], 'a',  in test_zero()
24 			assert_c_eq(s[sz_prev-1], 'a',  in test_zero()
30 			assert_c_eq(s[i], 0x0,  in test_zero()
33 			s[i] = 'a';  in test_zero()
36 		if (xallocx(s, sz+1, 0, 0) == sz) {  in test_zero()
37 			s = (char *)rallocx(s, sz+1, 0);  in test_zero()
38 			assert_ptr_not_null((void *)s,  in test_zero()
43 	dallocx(s, 0);  in test_zero()