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#include "SingletonHolder.h"
#include <iostream>
#include <cppunit/extensions/HelperMacros.h>
#include "a2functional.h"
namespace aria2 {
class SingletonHolderTest : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(SingletonHolderTest);
CPPUNIT_TEST(testInstance);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {}
void testInstance();
};
CPPUNIT_TEST_SUITE_REGISTRATION(SingletonHolderTest);
class M {
private:
std::string greeting_;
public:
M(const std::string& greeting) : greeting_(greeting) {}
const std::string& greeting() const { return greeting_; }
void greeting(const std::string& greeting) { greeting_ = greeting; }
};
void SingletonHolderTest::testInstance()
{
SingletonHolder<M>::instance(make_unique<M>("Hello world."));
CPPUNIT_ASSERT_EQUAL(std::string("Hello world."),
SingletonHolder<M>::instance()->greeting());
SingletonHolder<M>::instance()->greeting("Yes, it worked!");
CPPUNIT_ASSERT_EQUAL(std::string("Yes, it worked!"),
SingletonHolder<M>::instance()->greeting());
}
} // namespace aria2
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