public class MultiValiditatorValidationStatusTest
{
	private WritableValue value1;

	private WritableValue value2;

	private BooleanHolder booleanHolder;

	private DataBindingContext dataBindingContext;

	@Before
	public void beforeEach()
	{
		CurrentRealm.setDefault(SWTObservables.getRealm(Display.getCurrent()));

		value1 = new WritableValue();
		value2 = new WritableValue();
		booleanHolder = new BooleanHolder();
		dataBindingContext = new DataBindingContext();
	}

	@Test
	public void shouldCallHandleValueChangeOnIValueChangeListenersForMultiValidator() throws Exception
	{
// value1.setValue(Integer.valueOf(1));

		MultiValidator multiValidator = new MultiValidator()
		{
			@Override
			protected IStatus validate()
			{
				Object value = value1.getValue();

				if (value != null && value instanceof Number && ((Number) value).intValue() == 1)
				{
					return ValidationStatus.ok();
				}
				return ValidationStatus.error("Value was not one");
			}
		};
		multiValidator.getValidationStatus().addValueChangeListener(new IValueChangeListener()
		{

			@Override
			public void handleValueChange(ValueChangeEvent event)
			{
				booleanHolder.value = true;
			}
		});

		dataBindingContext.addValidationStatusProvider(multiValidator);

		dataBindingContext.bindValue(multiValidator.observeValidatedValue(value1), value2, null, new UpdateValueStrategy(
			UpdateValueStrategy.POLICY_NEVER));

		value1.setValue(Integer.valueOf(2));

		assertTrue(booleanHolder.value);
	}

	private static class CurrentRealm extends Realm
	{
		private boolean current;

		public CurrentRealm()
		{
			this(false);
		}

		public CurrentRealm(boolean current)
		{
			this.current = current;
		}

		public boolean isCurrent()
		{
			return current;
		}

		public void setCurrent(boolean current)
		{
			this.current = current;
		}

		protected void syncExec(Runnable runnable)
		{
			// do nothing
		}

		public void asyncExec(Runnable runnable)
		{
			// do nothing
		}

		protected static Realm setDefault(Realm realm)
		{
			return Realm.setDefault(realm);
		}
	}

	private static class BooleanHolder
	{
		public boolean value = false;
	}
}

		value1.setValue(Integer.valueOf(1));
		value1.setValue(Integer.valueOf(2));

MultiValidator multiValidator = new MultiValidator()
		{
			boolean firedFirst = false;

			@Override
			protected IStatus validate()
			{
				Object value = value1.getValue();

				if (!firedFirst)
				{
					firedFirst = true;
					return ValidationStatus.cancel("ignore first fire");
				}

				if (value != null && value instanceof Number && ((Number) value).intValue() == 1)
				{
					return ValidationStatus.ok();
				}
				return ValidationStatus.error("Value was not one");
			}
		};