public void testIterator()
{
IEnumerator<Object> mock = new EmptyEnumerator<Object>();
Assert.IsFalse(mock.MoveNext());
try
{
mock.MoveNext();
Assert.Fail("Should have thrown InvalidOperationException");
}
catch (System.InvalidOperationException)
{
// good
}
}
public void testIterator()
{
IEnumerator <Object> mock = new EmptyEnumerator <Object>();
Assert.IsFalse(mock.MoveNext());
try
{
mock.MoveNext();
Assert.Fail("Should have thrown InvalidOperationException");
}
catch (System.InvalidOperationException)
{
// good
}
}
public static void Main()
{
var sw = new Stopwatch();
sw.Start();
for (int i = 0; i < Iterations; i++)
{
IEnumerator enumerator = YieldBreak();
while (enumerator.MoveNext())
{
throw new InvalidOperationException("Should not occur");
}
}
sw.Stop();
Console.WriteLine("Yield break: {0}", sw.Elapsed);
GC.Collect();
sw.Restart();
for (int i = 0; i < Iterations; i++)
{
IEnumerator enumerator = Enumerable.Empty <object>().GetEnumerator();
while (enumerator.MoveNext())
{
throw new InvalidOperationException("Should not occur");
}
}
sw.Stop();
Console.WriteLine("Enumerable.Empty<T>(): {0}", sw.Elapsed);
GC.Collect();
sw.Restart();
var instance = new EmptyEnumerator();
for (int i = 0; i < Iterations; i++)
{
while (instance.MoveNext())
{
throw new InvalidOperationException("Should not occur");
}
}
sw.Stop();
Console.WriteLine("EmptyEnumerator instance: {0}", sw.Elapsed);
}
