public bool NegTest1()
{
bool retVal = true;
char[] charsA, charsB;
charsA = new char[TestLibrary.Generator.GetInt32(-55) % (c_MAX_ARRAY_LENGTH + 1)];
charsB = new char[TestLibrary.Generator.GetInt32(-55) % (c_MAX_ARRAY_LENGTH + 1)];
TestLibrary.TestFramework.BeginScenario("NegTest1: call the method BeginInvoke");
try
{
Comparison <Array> comparison = CompareByLength;
IAsyncResult asyncResult = comparison.BeginInvoke(charsA, charsB, null, null);
comparison.EndInvoke(asyncResult);
retVal = false;
TestLibrary.TestFramework.LogError("101", "NotSupportedException expected");
}
catch (NotSupportedException)
{
//expected
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002", "Unexpected exception:" + e);
retVal = false;
}
return(retVal);
}
/// <summary>
/// Extends BeginInvoke<T> so that when a state object is not needed, null does not need to be passed.
/// <example>
/// comparison.BeginInvoke<T>(x, y, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke <T>(this Comparison <T> comparison, T x, T y, AsyncCallback callback)
{
if (comparison == null)
{
throw new ArgumentNullException("comparison");
}
return(comparison.BeginInvoke(x, y, callback, null));
}