public void LastWithConditionAndData()
{
DataProducer <string> subject = new DataProducer <string>();
IFuture <string> last = subject.Last(x => x[0] < 'c');
subject.ProduceAndEnd("a", "b", "c", "d");
Assert.AreEqual("b", last.Value);
}
public void LastWithoutData()
{
DataProducer <string> subject = new DataProducer <string>();
subject.Last();
try
{
subject.End();
Assert.Fail("Expected exception");
}
catch (InvalidOperationException)
{
// Expected
}
}
public void LastWithConditionButNoMatchingData()
{
DataProducer <string> subject = new DataProducer <string>();
subject.Last(x => x.Length > 1);
subject.Produce("x");
subject.Produce("y");
try
{
subject.End();
Assert.Fail("Expected exception");
}
catch (InvalidOperationException)
{
// Expected
}
}
public void LastWithConditionButNoMatchingData()
{
DataProducer<string> subject = new DataProducer<string>();
subject.Last(x => x.Length > 1);
subject.Produce("x");
subject.Produce("y");
try
{
subject.End();
Assert.Fail("Expected exception");
}
catch (InvalidOperationException)
{
// Expected
}
}
public void LastWithoutData()
{
DataProducer<string> subject = new DataProducer<string>();
subject.Last();
try
{
subject.End();
Assert.Fail("Expected exception");
}
catch (InvalidOperationException)
{
// Expected
}
}
public void LastWithConditionAndData()
{
DataProducer<string> subject = new DataProducer<string>();
IFuture<string> last = subject.Last(x => x[0] < 'c');
subject.ProduceAndEnd("a", "b", "c", "d");
Assert.AreEqual("b", last.Value);
}