@ContinuousIntegrationTest(estimatedDuration = 0.0)
@Test(timeout = 300000)
public void testRemoveObserver() {
// create some observers, add them to yoVariable
int nObservers = 5;
createVariableChangeListeners(nObservers);
addAllListenersToYoVariable();
// let yoVariable notify observers. Assert that they got the event.
yoVariable.notifyVariableChangedListeners();
for (TestVariableChangedListener observer : variableChangedListeners) {
assertEquals(observer.getLastVariableChanged(), yoVariable);
}
// Remove and reset observers. Let yoVariable notify observers again. Assert that the observers
// didn't notice anything.
for (VariableChangedListener observer : variableChangedListeners) {
yoVariable.removeVariableChangedListener(observer);
}
resetAllObservers();
yoVariable.notifyVariableChangedListeners();
for (TestVariableChangedListener observer : this.variableChangedListeners) {
assertNull(observer.getLastVariableChanged());
}
}
@ContinuousIntegrationTest(estimatedDuration = 0.0)
@Test(timeout = 300000)
public void testAddVariableChangeListener() {
// remove all observers, then add one new observer, and check if it can be removed without
// exceptions.
yoVariable.removeAllVariableChangedListeners();
TestVariableChangedListener listener = new TestVariableChangedListener();
yoVariable.addVariableChangedListener(listener);
yoVariable.removeVariableChangedListener(listener);
}
@ContinuousIntegrationTest(estimatedDuration = 0.0)
@Test(timeout = 300000)
public void testRemoveObserverNonExistent1() {
// make sure removing an observer that wasn't added throws an exception.
try {
yoVariable.removeVariableChangedListener(new TestVariableChangedListener());
fail();
} catch (NoSuchElementException e) {
// pass.
}
}
@ContinuousIntegrationTest(estimatedDuration = 0.0)
@Test(timeout = 300000, expected = NoSuchElementException.class)
public void testRemoveObserverNonExistent2() {
// make sure removing an observer that wasn't added throws an exception.
// try
{
createVariableChangeListeners(5);
addAllListenersToYoVariable();
yoVariable.removeVariableChangedListener(new TestVariableChangedListener());
// fail();
}
// catch (NoSuchElementException e)
{
// pass.
}
}