public void EnterInvalidDates()
{
TtxtPetraDate dtpDate = new TtxtPetraDate();
dtpDate.Name = "dtpDate";
dtpDate.DateChanged += new TPetraDateChangedEventHandler(DateChanged);
dtpDate.TextChanged += new EventHandler(TextChanged);
Form TestForm = new Form();
TestForm.Controls.Add(dtpDate);
TestForm.Show();
TTxtPetraDateTester tester = new TTxtPetraDateTester("dtpDate");
TextChangedCalled = 0;
DateChangedCalled = 0;
NumberOfMessageBoxes = 0;
DialogBoxHandler = HandleMessageBox;
tester.Properties.Text = "30";
Assert.AreEqual(1, NumberOfMessageBoxes, "entering an invalid date should only show a messagebox once");
Assert.IsTrue(TVerificationHelper.AreVerificationResultsIdentical(tester.Properties.DateVerificationResult,
Ict.Common.Verification.TDateChecks.GetInvalidDateVerificationResult("Date", null), false, false));
TextChangedCalled = 0;
DateChangedCalled = 0;
NumberOfMessageBoxes = 0;
DialogBoxHandler = HandleMessageBox;
tester.Properties.Text = "301210000";
Assert.AreEqual(1, NumberOfMessageBoxes, "entering an invalid date should only show a messagebox once: year 10000");
DialogBoxHandler = null;
NumberOfMessageBoxes = 0;
DialogBoxHandler = HandleMessageBox;
tester.Properties.AllowEmpty = false;
tester.Properties.Text = "01-JAN-2010";
tester.Properties.Text = "";
Assert.AreEqual(1, NumberOfMessageBoxes, "entering an invalid date should only show a messagebox once: year 10000");
Assert.IsTrue(TVerificationHelper.AreVerificationResultsIdentical(tester.Properties.DateVerificationResult,
new TVerificationResult(null, ErrorCodes.GetErrorInfo(CommonErrorCodes.ERR_NOUNDEFINEDDATE,
CommonResourcestrings.StrInvalidDateEntered + Environment.NewLine +
"{0} must not be empty.", new string[] { "'Date'" }))));
DialogBoxHandler = null;
}