public void FactoryAlwaysReturnsSameInstance()
{
var fakeLexerFactory = GetFakeLexerFactory();
var sut = new SingletonLexerFactory <Element>(fakeLexerFactory.Object);
var first = sut.Create();
var subsequent = sut.Create();
Assert.Same(first, subsequent);
}
public void UnderlyingFactoryIsInvokedOnlyOnce()
{
var fakeLexerFactory = GetFakeLexerFactory();
var sut = new SingletonLexerFactory <Element>(fakeLexerFactory.Object);
sut.Create();
sut.Create();
fakeLexerFactory.Verify(factory => factory.Create(), Times.Once);
}
protected LexerFactory()
{
singleton = new SingletonLexerFactory <T>(this);
}
