public void InitialisedSingleton_WithDuplicateKeys_InitialisedOnce()
{
DateTime key = DateTime.Now;
Assert.AreEqual(
0,
TestInitialisedSingletonWithKeyedConstructor <DateTime> .TimesInitialised,
"This test relies on there being no previously created singletons of the type used here.");
TestInitialisedSingletonWithKeyedConstructor <DateTime>[] testSingletons =
Enumerable.Range(1, 10).AsParallel().Select(
x => TestInitialisedSingletonWithKeyedConstructor <DateTime> .Get(key)).ToArray();
Assert.AreEqual(
1,
TestInitialisedSingletonWithKeyedConstructor <DateTime> .TimesInitialised,
"When duplicate Initialised Singletons are created with the same key, the initialise method should only be called once.");
}
public void InitialisedSingleton_WithDuplicateKeys_AreIdentical()
{
int key = Random.Next();
TestInitialisedSingletonWithKeyedConstructor <int> testInitialisedSingleton1 =
TestInitialisedSingletonWithKeyedConstructor <int> .Get(key);
TestInitialisedSingletonWithKeyedConstructor <int> testInitialisedSingleton2 =
TestInitialisedSingletonWithKeyedConstructor <int> .Get(key);
TestInitialisedSingletonWithKeyedConstructor <int> testInitialisedSingleton3 =
TestInitialisedSingletonWithKeyedConstructor <int> .Get(key);
Assert.AreSame(
testInitialisedSingleton1,
testInitialisedSingleton2,
"Creating multiple Initialised Singletons with the same key should result in the same object each time.");
Assert.AreSame(
testInitialisedSingleton2,
testInitialisedSingleton3,
"Creating multiple Initialised Singletons with the same key should result in the same object each time.");
}
