public void MoveNext_NeverWithSingleProperty_CurrentThrows_HasNextIsTrue()
{
var classStub = CreateClassStub();
var propertyStub = CreatePropertyStub(classStub, "FirstProperty");
var enumerator = new ResolvedBusinessObjectPropertyPathPropertyEnumerator(new[] { propertyStub });
Assert.That(() => enumerator.Current, Throws.InvalidOperationException.With.Message.EqualTo("Enumeration has not started. Call MoveNext."));
Assert.That(enumerator.HasNext, Is.True);
}
public void MoveNext_OnceWithSingleProperty_ReturnsTrue_CurrentIsSetToProperty_HasNextIsFalse()
{
var classStub = CreateClassStub();
var propertyStub = CreatePropertyStub(classStub, "FirstProperty");
var enumerator = new ResolvedBusinessObjectPropertyPathPropertyEnumerator(new[] { propertyStub });
Assert.That(enumerator.MoveNext(classStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(propertyStub));
Assert.That(enumerator.HasNext, Is.False);
}
public void MoveNext_TwiceWithSingleProperty_ReturnsFalse_CurrentThrows_HasNextIsFalse()
{
var classStub = CreateClassStub();
var propertyStub = CreatePropertyStub(classStub, "FirstProperty");
var enumerator = new ResolvedBusinessObjectPropertyPathPropertyEnumerator(new[] { propertyStub });
Assert.That(enumerator.MoveNext(classStub), Is.True);
Assert.That(enumerator.MoveNext(MockRepository.GenerateStub <IBusinessObjectClass>()), Is.False);
Assert.That(() => enumerator.Current, Throws.InvalidOperationException.With.Message.EqualTo("Enumeration already finished."));
Assert.That(enumerator.HasNext, Is.False);
}
public void MoveNext_WithMultipleProperties_ReturnsFalseAfterLastProperty_CurrentThrows_HasNextIsFalse()
{
var firstClassStub = CreateClassStub();
var secondClassStub = CreateClassStub();
var firstPropertyStub = CreateReferencePropertyStub(firstClassStub, "FirstProperty", secondClassStub);
var secondPropertyStub = CreatePropertyStub(secondClassStub, "SecondProperty");
var enumerator = new ResolvedBusinessObjectPropertyPathPropertyEnumerator(new[] { firstPropertyStub, secondPropertyStub });
Assert.That(enumerator.MoveNext(firstClassStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(firstPropertyStub));
Assert.That(enumerator.HasNext, Is.True);
Assert.That(enumerator.MoveNext(secondClassStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(secondPropertyStub));
Assert.That(enumerator.HasNext, Is.False);
Assert.That(enumerator.MoveNext(MockRepository.GenerateStub <IBusinessObjectClass>()), Is.False);
Assert.That(() => enumerator.Current, Throws.InvalidOperationException.With.Message.EqualTo("Enumeration already finished."));
Assert.That(enumerator.HasNext, Is.False);
}
