public void ShowMessageTest()
{
MockMessageService messageService = new MockMessageService();
string message = "Hello World";
AssertHelper.ExpectedException <ArgumentNullException>(() => MessageServiceExtensions.ShowMessage(null, message));
AssertHelper.ExpectedException <ArgumentNullException>(() => MessageServiceExtensions.ShowWarning(null, message));
AssertHelper.ExpectedException <ArgumentNullException>(() => MessageServiceExtensions.ShowError(null, message));
messageService.ShowMessage(message);
Assert.AreEqual(MessageType.Message, messageService.MessageType);
Assert.AreEqual(message, messageService.Message);
messageService.Clear();
messageService.ShowWarning(message);
Assert.AreEqual(MessageType.Warning, messageService.MessageType);
Assert.AreEqual(message, messageService.Message);
messageService.Clear();
messageService.ShowError(message);
Assert.AreEqual(MessageType.Error, messageService.MessageType);
Assert.AreEqual(message, messageService.Message);
}
public void ShowErrorTest_ServiceNull()
{
MessageServiceExtensions.ShowError(null, message);
}