public void ShouldReturnValidResult()
{
// arrange
var quantities = Fixture.CreateMany <SomeQuantity>(3);
Func <number, SomeUnit, SomeQuantity> factory = SomeQuantityFactory.Create;
number expectedResultInWatts = quantities.Sum(e => e.Value * e.Unit.ValueInUnits);
var expectedResultUnit = quantities.First().Unit;
var expectedResult = new SomeQuantity(expectedResultInWatts / expectedResultUnit.ValueInUnits, expectedResultUnit);
// act
var result = EnumerableExtensions.Sum <SomeQuantity, SomeUnit>(quantities, factory);
// assert
result.Unit.Should().Be(expectedResult.Unit);
result.Value.Should().Be(expectedResult.Value);
}
public void ShouldReturnValidResult()
{
// arrange
var source = Fixture.CreateMany <SomeQuantity>(3);
Func <number, SomeUnit, SomeQuantity> factory = SomeQuantityFactory.Create;
number expectedResultInWatts = source.Average(e => e.Value * e.Unit.ValueInUnits);
var expectedResultUnit = source.First().Unit;
var expectedResult = new SomeQuantity(expectedResultInWatts / expectedResultUnit.ValueInUnits, expectedResultUnit);
// act
var result = EnumerableExtensions.Average <SomeQuantity, SomeUnit>(source, factory);
// assert
result.Unit.Should().Be(expectedResult.Unit);
result.Value.Should().BeApproximately(expectedResult.Value);
}
public void ShouldReturnValidResult()
{
// arrange
var objects = Fixture.CreateMany <SomeQuantity>(3).Select(e => new TestObject <SomeQuantity>(e));
Func <number, SomeUnit, SomeQuantity> factory = SomeQuantityFactory.Create;
Func <TestObject <SomeQuantity>, SomeQuantity> selector = e => e.Property;
number expectedResultInWatts = objects.Sum(e => e.Property.Value * e.Property.Unit.ValueInUnits);
var expectedResultUnit = objects.First().Property.Unit;
var expectedResult = new SomeQuantity(expectedResultInWatts / expectedResultUnit.ValueInUnits, expectedResultUnit);
// act
var result = EnumerableExtensions.Sum <TestObject <SomeQuantity>, SomeQuantity, SomeUnit>(objects, factory, selector);
// assert
result.Value.Should().Be(expectedResult.Value);
result.Unit.Should().Be(expectedResult.Unit);
}
