Exemplos de Var::empty em C++ (Cpp)

Exemplo n.º 1

Arquivo: VarTest.cpp Projeto: RageStormers/poco

void VarTest::testEmpty()
{
	Var da;
	assert (da.isEmpty());
	assert (da.type() == typeid(void));
	assert (!da.isArray());
	assert (!da.isInteger());
	assert (!da.isNumeric());
	assert (!da.isSigned());
	assert (!da.isString());
	assert (!(da == da));
	assert (!(da != da));

	da = "123";
	int i = da.convert<int>();
	assert (123 == i);
	std::string s = da.extract<std::string>();
	assert ("123" == s);
	assert (!da.isEmpty());
	da.empty();
	assert (da.isEmpty());
	assert (da.type() == typeid(void));
	assert (!da.isArray());
	assert (!da.isInteger());
	assert (!da.isNumeric());
	assert (!da.isSigned());
	assert (!da.isString());
	assert (!(da == da));
	assert (!(da != da));

	assert (da != "");
	assert ("" != da);
	assert (!(da == ""));
	assert (!("" == da));
	

	testEmptyComparisons<unsigned char>();
	testEmptyComparisons<char>();
	testEmptyComparisons<Poco::UInt8>();
	testEmptyComparisons<Poco::Int8>();
	testEmptyComparisons<Poco::UInt16>();
	testEmptyComparisons<Poco::Int16>();
	testEmptyComparisons<Poco::UInt32>();
	testEmptyComparisons<Poco::Int32>();
	testEmptyComparisons<Poco::UInt64>();
	testEmptyComparisons<Poco::Int64>();
#ifdef POCO_LONG_IS_64_BIT
	testEmptyComparisons<unsigned long>();
	testEmptyComparisons<long>();
#endif
	testEmptyComparisons<float>();
	testEmptyComparisons<double>();

	try
	{
		int i = da;
		fail ("must fail");
	} catch (InvalidAccessException&) { }

	try
	{
		int i = da.extract<int>();
		fail ("must fail");
	} catch (InvalidAccessException&) { }
}