public void CreateConverter_BaseUnitToDirectAnchestor_CallsCreateConverterOnce()
{
// Arrange
var mockDelegate = CreateMockDelegate();
IDimension mass = CreateStubDimension("M");
IUnit kg = CreateStubUnit("kg", mass);
IUnit lbs = CreateStubUnit("lbs", mass);
DimensionContainer container = new DimensionContainer(mass, mockDelegate.Object.Create);
container.SetBaseUnit(kg);
container.AddUnit(kg, lbs);
// Act
IValueConverter converter = container.CreateConverter(kg, lbs);
// Assert
mockDelegate.Verify(x => x.Create(kg, lbs), Times.Once());
Assert.NotNull(converter);
}
public void CreateConverter_UnitToAnchestor_CallsCreateConverterTwice()
{
// Arrange
var mockDelegate = CreateMockDelegate();
IDimension mass = CreateStubDimension("M");
IUnit g = CreateStubUnit("g", mass);
IUnit kg = CreateStubUnit("kg", mass);
IUnit lbs = CreateStubUnit("lbs", mass);
DimensionContainer container = new DimensionContainer(mass, mockDelegate.Object.Create);
container.SetBaseUnit(g);
container.AddUnit(g, kg);
container.AddUnit(kg, lbs);
// Act
IValueConverter converter = container.CreateConverter(kg, lbs);
// Assert
mockDelegate.Verify(x => x.Create(It.IsAny <IUnit>(), It.IsAny <IUnit>()), Times.Exactly(1));
Assert.NotNull(converter);
}