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#include "singleton.h"
#include <library/cpp/testing/unittest/registar.h>
Y_UNIT_TEST_SUITE(TestSingleton) {
struct THuge {
char Buf[1000000];
int V = 1234;
};
Y_UNIT_TEST(TestHuge) {
UNIT_ASSERT_VALUES_EQUAL(*HugeSingleton<int>(), 0);
UNIT_ASSERT_VALUES_EQUAL(HugeSingleton<THuge>()->V, 1234);
}
struct TWithParams {
explicit TWithParams(const ui32 data1 = 0, const TString& data2 = TString())
: Data1(data1)
, Data2(data2)
{
}
ui32 Data1;
TString Data2;
};
Y_UNIT_TEST(TestConstructorParamsOrder) {
UNIT_ASSERT_VALUES_EQUAL(Singleton<TWithParams>(10, "123123")->Data1, 10);
UNIT_ASSERT_VALUES_EQUAL(Singleton<TWithParams>(20, "123123")->Data1, 10);
UNIT_ASSERT_VALUES_EQUAL(Singleton<TWithParams>(10, "456456")->Data2, "123123");
}
Y_UNIT_TEST(TestInstantiationWithConstructorParams) {
UNIT_ASSERT_VALUES_EQUAL(Singleton<TWithParams>(10)->Data1, 10);
UNIT_ASSERT_VALUES_EQUAL(HugeSingleton<TWithParams>(20, "123123")->Data2, "123123");
{
const auto value = SingletonWithPriority<TWithParams, 12312>(30, "456")->Data1;
UNIT_ASSERT_VALUES_EQUAL(value, 30);
}
{
const auto value = HugeSingletonWithPriority<TWithParams, 12311>(40, "789")->Data2;
UNIT_ASSERT_VALUES_EQUAL(value, "789");
}
UNIT_ASSERT_VALUES_EQUAL(Default<TWithParams>().Data1, 0);
}
} // Y_UNIT_TEST_SUITE(TestSingleton)
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