void test_str_nlen()
{
const char *input = "foo";
const char *input2 = "fo\0bar";
const char *input3 = "";
unsigned int result, expected_result;
result = str_nlen(input, sizeof(input));
expected_result = strlen(input);
check_unsigned_ints(result, expected_result, "compare with libc");
check_unsigned_int(result, 3);
result = str_nlen(input2, sizeof(input2));
expected_result = strlen(input2);
check_unsigned_int(result, expected_result);
result = str_nlen(input3, sizeof(input3));
expected_result = strlen(input3);
check_unsigned_int(result, expected_result);
result = str_nlen(input, 2);
check_unsigned_ints(result, 2, "limit to 2 not 3");
}
void test_two_level_stack(void)
{
names_stack *stack;
unsigned int check_num;
check_num = 0;
stack = stack_new();
stack_enter(stack);
check_depth(check_num++, stack, "foo", 0);
check_depth(check_num++, stack, "bar", 0);
check_depth(check_num++, stack, "baz", 0);
check_unsigned_int(stack_frame_size(stack), 0);
stack_name_add(stack, "foo");
stack_name_add(stack, "bar");
check_depth(check_num++, stack, "foo", 1);
check_depth(check_num++, stack, "bar", 2);
check_depth(check_num++, stack, "baz", 0);
check_unsigned_ints(stack_frame_size(stack), 2, "1");
stack_enter(stack);
check_unsigned_ints(stack_frame_size(stack), 0, "2");
stack_name_add(stack, "baz");
check_unsigned_ints(stack_frame_size(stack), 1, "3");
stack_name_add(stack, "foo");
check_unsigned_ints(stack_frame_size(stack), 2, "4");
check_depth(check_num++, stack, "foo", 2);
check_depth(check_num++, stack, "bar", 0);
check_depth(check_num++, stack, "baz", 1);
stack_leave(stack);
check_unsigned_ints(stack_frame_size(stack), 2, "5");
check_depth(check_num++, stack, "foo", 1);
check_depth(check_num++, stack, "bar", 2);
check_depth(check_num++, stack, "baz", 0);
stack_leave(stack);
check_unsigned_ints(stack_frame_size(stack), 0, "6");
check_depth(check_num++, stack, "foo", 0);
check_depth(check_num++, stack, "bar", 0);
check_depth(check_num++, stack, "baz", 0);
stack_destroy(stack);
}
void test_str_ncpy()
{
const char *src = "foo";
char dest[80];
char *result, *expected_result;
dest[60] = 'X';
check_unsigned_int(sizeof(dest), 80);
check_char(dest[60], 'X');
result = str_ncpy(dest, src, sizeof(dest));
check_strs(dest, src, "1");
check_ptrs(result, dest, "2");
check_chars(dest[60], '\0', "should null-out rest of buffer");
expected_result = strncpy(dest, src, sizeof(dest));
check_strs(dest, src, "3");
check_ptrs(result, expected_result, "4");
}
