public void Instance_WhenCreateDelegateSupplied_ShouldReturnInstance()
{
AmbientServiceNoDefault.Create = () => new Foo();
var sut = new AmbientServiceNoDefault();
var instance = sut.Instance;
instance.Should().BeOfType <Foo>();
}
public void Instance_WhenNoDefaultCreateOrCreateSet_ShouldThrow()
{
var sut = new AmbientServiceNoDefault();
Action instance = () =>
{
var x = sut.Instance;
};
instance.ShouldThrow <Exception>();
}
public void Instance_WhenCreateDelegateSupplied_ShouldReturnSameInstanceForAllCalls()
{
AmbientServiceNoDefault.Create = () => new Foo();
var sut = new AmbientServiceNoDefault();
var instance1 = sut.Instance;
var instance2 = sut.Instance;
instance1.Should().BeSameAs(instance2);
}
