#include <exception>

#include "Test.h"
#include "Failure.h"
#include "TestResult.h"
#include "TestRegistry.h"
#include "SimpleString.h"


void TestRegistry::addTest (Test *test) 
{
	instance ().add (test);
}


int TestRegistry::runAllTests (TestResult& result) 
{
	return instance ().run (result);
}


TestRegistry& TestRegistry::instance () 
{
	static TestRegistry registry;
	return registry;
}


void TestRegistry::add (Test *test) 
{
	if (tests == 0) {
	  test->setNext(0);
		tests = test;
		lastTest = test;
		return;
	}

	test->setNext (0);
	lastTest->setNext(test);
	lastTest = test;
}


int TestRegistry::run (TestResult& result) 
{
	result.testsStarted ();

	for (Test *test = tests; test != 0; test = test->getNext ()) {
		if (test->safe()) {
			try {
				test->run (result);
			} catch (std::exception& e) {
				// catch standard exceptions and derivatives
				result.addFailure(
						Failure(test->getName(), test->getFilename(), test->getLineNumber(),
								SimpleString("Exception: ") + SimpleString(e.what())));
			} catch (...) {
				// catch all other exceptions
				result.addFailure(
						Failure(test->getName(), test->getFilename(), test->getLineNumber(),
								SimpleString("ExceptionThrown!")));
			}
		}
		else {
			test->run (result);
		}
	}
	result.testsEnded ();
	return result.getFailureCount();
}