#include "acutest.h"
#include "vieter_cron.h"

void test_tutorial(void) {
  void *mem;

  mem = malloc(10);
  TEST_CHECK(mem != NULL);

  mem = realloc(mem, 20);
  TEST_CHECK(mem != NULL);

  free(mem);
}

void test_fail(void) {
  int a, b;

  /* This condition is designed to fail so you can see what the failed test
   * output looks like. */
  a = 1;
  b = 2;
  TEST_CHECK(a + b == 5);

  /* Here is TEST_CHECK_ in action. */
  TEST_CHECK_(a + b == 5, "%d + %d == 5", a, b);

  /* We may also show more information about the failure. */
  if (!TEST_CHECK(a + b == 5)) {
    TEST_MSG("a: %d", a);
    TEST_MSG("b: %d", b);
  }

  /* The macro TEST_MSG() only outputs something when the preceding
   * condition fails, so we can avoid the 'if' statement. */
  TEST_CHECK(a + b == 3);
  TEST_MSG("a: %d", a);
  TEST_MSG("b: %d", b);
}

static void helper(void) {
  /* Kill the current test with a condition which is never true. */
  TEST_ASSERT(1 == 2);

  /* This never happens because the test is aborted above. */
  TEST_CHECK(1 + 2 == 2 + 1);
}

void test_abort(void) {
  helper();

  /* This test never happens because the test is aborted inside the helper()
   * function. */
  TEST_CHECK(1 * 2 == 2 * 1);
}

void test_crash(void) {
  int *invalid = ((int *)NULL) + 0xdeadbeef;

  *invalid = 42;
  TEST_CHECK_(1 == 1, "This should never execute, due to a write into "
                      "an invalid address.");
}

TEST_LIST = {{"tutorial", test_tutorial},
             {"fail", test_fail},
             {"abort", test_abort},
             {"crash", test_crash},
             {NULL, NULL}};