function test_assertions()
{
$test_result = new TestResult("test name");
$test_result->add_assertion(true);
$test_result->add_assertion(true);
$this->assert_equals(2, $test_result->count_assertions());
$this->assert_true($test_result->passed());
$test_result->add_assertion(false, new Exception("Yet some other message"));
$this->assert_equals(3, $test_result->count_assertions());
$this->assert_false($test_result->passed());
$this->assert_true($test_result->get_exception() instanceof Exception);
}