public void EmptySource_ShouldReturnDefaultDegreeAngle()
{
// arrange
var areas = Enumerable.Empty <DegreeAngle>();
// act
var result = AngularEnumerableExtensions.Sum(areas);
// assert
result.Should().Be(default(DegreeAngle));
}
public void EmptySource_ShouldReturnDefaultDegreeAngle()
{
// arrange
var objects = Enumerable.Empty <TestObject <DegreeAngle> >();
// act
var result = AngularEnumerableExtensions.Sum(objects, e => e.Property);
// assert
result.Should().Be(default(DegreeAngle));
}
public void NullSource_ShouldThrow()
{
// arrange
IEnumerable <DegreeAngle> areas = null;
// act
Action sum = () => AngularEnumerableExtensions.Sum(areas);
// assert
sum.Should().Throw <ArgumentNullException>()
.And.ParamName.Should().Be("source");
}
public void ShouldReturnValidResult()
{
// arrange
var source = Fixture.CreateMany <DegreeAngle>(3).Select(e => new TestObject <DegreeAngle>(e));
number expectedResultInMetres = Enumerable.Sum(source, e => e.Property.TotalSeconds);
var expectedResult = new DegreeAngle(expectedResultInMetres);
// act
var result = AngularEnumerableExtensions.Sum(source, e => e.Property);
// assert
result.TotalSeconds.Should().Be(expectedResult.TotalSeconds);
}
public void NullSelector_ShouldThrow()
{
// arrange
var objects = Enumerable.Empty <TestObject <DegreeAngle> >();
Func <TestObject <DegreeAngle>, DegreeAngle> selector = null;
// act
Action sum = () => AngularEnumerableExtensions.Sum(objects, selector);
// assert
sum.Should().Throw <ArgumentNullException>()
.And.ParamName.Should().Be("selector");
}
public void NullSource_ShouldThrow()
{
// arrange
IEnumerable <TestObject <DegreeAngle> > objects = null;
Func <TestObject <DegreeAngle>, DegreeAngle> selector = e => e.Property;
// act
Action sum = () => AngularEnumerableExtensions.Sum(objects, selector);
// assert
sum.Should().Throw <ArgumentNullException>()
.And.ParamName.Should().Be("source");
}
public void ShouldReturnValidResult()
{
// arrange
var source = Fixture.CreateMany <DegreeAngle>(3);
number expectedResultInTotalSeconds = Enumerable.Sum(source, e => e.TotalSeconds);
var expectedResult = new DegreeAngle(expectedResultInTotalSeconds);
// act
var result = AngularEnumerableExtensions.Sum(source);
// assert
result.TotalSeconds.Should().Be(expectedResult.TotalSeconds);
}
public void ShouldReturnValidResult()
{
// arrange
var source = Fixture.CreateMany <RadianAngle>(3);
number expectedResultInRadians = Enumerable.Sum(source, e => e.Radians);
var expectedResult = new RadianAngle(expectedResultInRadians);
// act
var result = AngularEnumerableExtensions.Sum(source);
// assert
result.Radians.Should().Be(expectedResult.Radians);
}