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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lily-test.h"
struct lily_globals_t _lily_globals;
void lily_init()
{
_lily_globals.error_msg_len = 0;
_lily_globals.error_msg = NULL;
_lily_globals.error_location = "";
}
static void _lily_assert_msg(bool statement, const char *location,
const char *format_string, va_list args)
{
if (statement) {
va_end(args);
return; // no error, return
}
_lily_globals.error_location = location;
va_list args_len;
va_copy(args_len, args);
size_t length = vsnprintf(NULL, 0, format_string, args_len);
va_end(args_len);
if (_lily_globals.error_msg_len < length+1 ||
_lily_globals.error_msg == NULL) {
if (_lily_globals.error_msg != NULL)
free(_lily_globals.error_msg);
char *msg = malloc((length+2) * sizeof(char));
if (msg == NULL) {
fprintf(stderr, "WARNING: failed to allocate memory for failed test message!\n");
_lily_globals.error_msg = NULL;
va_end(args);
longjmp(_lily_globals.env, 1);
return;
}
else {
_lily_globals.error_msg = msg;
_lily_globals.error_msg_len = length+1;
}
}
vsnprintf(_lily_globals.error_msg, length+1, format_string, args);
va_end(args);
longjmp(_lily_globals.env, 1);
}
void lily_assert_msg(bool statement, const char *location,
const char *format_string, ...)
{
va_list args;
va_start(args, format_string);
// _lily_assert_msg may long jump, so it takes calls va_end(args) for you
_lily_assert_msg(statement, location, format_string, args);
}
void _lily_assert_true(const char *statement, bool value, const char *location)
{
lily_assert_msg(value, location,
"%s is not true",
statement);
}
void _lily_assert_false(const char *statement, bool value, const char *location)
{
lily_assert_msg(!value, location,
"%s is not false",
statement);
}
void _lily_assert_not_null(const char *name, void *ptr, const char *location)
{
lily_assert_msg(ptr != NULL, location,
"%s is NULL",
name);
}
void _lily_assert_null(const char *name, void *ptr, const char *location)
{
lily_assert_msg(ptr == NULL, location,
"%s (%p) is not NULL",
name, ptr);
}
void _lily_assert_ptr_equal(const char *name_a, const char *name_b,
void *a, void *b, const char *location)
{
lily_assert_msg(a == b, location,
"%s (%p) is not equal to %s (%p)",
name_a, a, name_b, b);
}
void _lily_assert_ptr_not_equal(const char *name_a, const char *name_b,
void *a, void *b, const char *location)
{
lily_assert_msg(a != b, location,
"%s (%p) is equal to %s",
name_a, a, name_b);
}
void _lily_assert_int_equal(const char *name_a, const char *name_b,
intmax_t a, intmax_t b, const char *location)
{
lily_assert_msg(a == b, location,
"%s (%d) is not equal to %s (%d)",
name_a, a, name_b, b);
}
void _lily_assert_int_not_equal(const char *name_a, const char *name_b,
intmax_t a, intmax_t b, const char *location)
{
lily_assert_msg(a != b, location,
"%s (%d) is equal to %s",
name_a, a, name_b);
}
void _lily_assert_float_equal(const char *name_a, const char *name_b,
double a, double b, double epsilon, const char *location)
{
lily_assert_msg(abs(a - b) <= epsilon,
"%s (%f) is not equal to %s (%f) (epsilon: %f)",
name_a, a, name_b, b, epsilon);
}
void _lily_assert_float_not_equal(const char *name_a, const char *name_b,
double a, double b, double epsilon, const char *location)
{
lily_assert_msg(abs(a - b) > epsilon,
"%s (%f) is equal to %s (%f) (epsilon: %f)",
name_a, a, name_b, b, epsilon);
}
void _lily_assert_string_equal(const char *name_a, const char *name_b,
char *a, char *b, const char *location)
{
lily_assert_msg(strcmp(a, b) == 0,
"%s ('%s') is not equal to %s ('%s')",
name_a, a, name_b, b);
}
void _lily_assert_string_not_equal(const char *name_a, const char *name_b,
char *a, char *b, const char *location)
{
lily_assert_msg(strcmp(a, b) != 0,
"%s ('%s') is equal to %s",
name_a, a, name_b);
}
void _lily_assert_memory_equal(const char *name_a, const char *name_b,
void *a, void *b, size_t size, const char *location)
{
lily_assert_msg(memcmp(a, b, size) == 0,
"%s and %s contain different data", name_a, name_b);
}
void _lily_assert_memory_not_equal(const char *name_a, const char *name_b,
void *a, void *b, size_t size, const char *location)
{
lily_assert_msg(memcmp(a, b, size) == 0,
"%s contains the same data s %s", name_a, name_b);
}
lily_mock_queue_t* lily_queue_create()
{
const size_t size = 256 * sizeof(uint8_t);
lily_mock_queue_t *q = malloc(sizeof(lily_mock_queue_t));
q->buf_size = size;
q->buf = malloc(size);
q->front = q->buf;
q->back = q->front;
return q;
}
void lily_queue_destroy(lily_mock_queue_t *q)
{
free(q->buf);
free(q);
}
void _lily_enqueue(lily_mock_queue_t *q, size_t size, uint8_t *data)
{
size_t used = q->back - q->buf;
size_t remaining = q->buf_size - used;
if (remaining < size) {
/* re-allocate bigger buffer */
size_t size_new = 2 * q->buf_size;
uint8_t *buf_new = realloc(q->buf, size_new);
if (buf_new == NULL) {
fprintf(stderr, "failed to allocated %lu bytes for queue %p!\n",
size_new, q);
return;
}
q->buf = buf_new;
}
memcpy(q->back, data, size);
q->back += size;
}
void _lily_dequeue(lily_mock_queue_t *q, size_t size, uint8_t *ptr)
{
size_t dist = q->back - q->front;
if (dist < size) {
fprintf(stderr, "attempted to read %lu bytes out of queue %p, "
"which has %lu bytes presently queued\n", size, q, dist);
return;
}
memcpy(ptr, q->front, size);
q->front += size;
}
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