Bug 329482 Uninstantiated part may be rendered when closing another part in the same stack
1. Activate the 'Javadoc' view. 2. Activate the 'Package Explorer' view. 3. Shutdown. 4. Restart. 5. Ctrl+3 > Properties 6. Hide the 'Properties' view. 7. Now the 'Problems' view is the selected element. It should be the 'Javadoc' view.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
assertEquals(saveCalled[0], editor.wasSaveCalled());
		assertEquals(afterDirty[1], saveablePart2.isDirty());
		assertEquals(saveCalled[1], editor2.wasSaveCalled());
	}
	private boolean hasCancel(Save[] returnValues, boolean[] beforeDirty) {
		for (int i = 0; i < returnValues.length; i++) {
			if (returnValues[i] == Save.CANCEL && beforeDirty[i]) {
				return true;
			}
		}
		return false;
	}
	private boolean isSuccessful(Save[] returnValues, boolean confirm,
			boolean[] beforeDirty, boolean[] throwException) {
		if (confirm) {
			if (returnValues[0] == Save.YES) {
				if (returnValues[1] == Save.YES) {
					if (beforeDirty[0]) {
						if (beforeDirty[1]) {
							return !throwException[0] && !throwException[1];
						}
						return !throwException[0];
					} else if (beforeDirty[1]) {
						return !throwException[1];
					}
					return true;
				} else if (beforeDirty[0]) {
					return !throwException[0];
				}
				return true;