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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package groovy.util
import groovy.test.GroovyTestCase
import java.beans.PropertyChangeEvent
import java.beans.PropertyChangeListener
class ObservableListTest extends GroovyTestCase {
void testFireEvent_add_withoutTest() {
def list = new ObservableList()
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def sizeListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.SIZE_PROPERTY, sizeListener)
def value1 = 'value1'
def value2 = 'value2'
list << value1
assertNotNull(contentListener.event)
assertEquals(list, contentListener.event.source)
assertNull(contentListener.event.oldValue)
assertEquals(value1, contentListener.event.newValue)
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(0i, sizeListener.event.oldValue)
assertEquals(1i, sizeListener.event.newValue)
list << value2
assertNotNull(contentListener.event)
assertEquals(list, contentListener.event.source)
assertNull(contentListener.event.oldValue)
assertEquals(value2, contentListener.event.newValue)
contentListener.event = null
list[1] = value1
assertNotNull(contentListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(value2, contentListener.event.oldValue)
assertEquals(value1, contentListener.event.newValue)
assertEquals(1, contentListener.event.index)
contentListener.event = null
list[0] = value1
assertNull(contentListener.event)
}
void testFireEvent_remove() {
def list = new ObservableList()
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def sizeListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.SIZE_PROPERTY, sizeListener)
def value1 = 'value1'
def value2 = 'value2'
list << value1
assertNotNull(contentListener.event)
assertEquals(list, contentListener.event.source)
assertNull(contentListener.event.oldValue)
assertEquals(value1, contentListener.event.newValue)
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(0i, sizeListener.event.oldValue)
assertEquals(1i, sizeListener.event.newValue)
list << value2
assertNotNull(contentListener.event)
assertEquals(list, contentListener.event.source)
assertNull(contentListener.event.oldValue)
assertEquals(value2, contentListener.event.newValue)
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(1i, sizeListener.event.oldValue)
assertEquals(2i, sizeListener.event.newValue)
list.remove(value2)
assertNotNull(contentListener.event)
assertTrue(contentListener.event instanceof ObservableList.ElementRemovedEvent)
assertEquals(list, contentListener.event.source)
assertEquals(value2, contentListener.event.oldValue)
assertEquals(1, contentListener.event.index)
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(2i, sizeListener.event.oldValue)
assertEquals(1i, sizeListener.event.newValue)
list.remove(value1)
assertNotNull(contentListener.event)
assertTrue(contentListener.event instanceof ObservableList.ElementRemovedEvent)
assertEquals(list, contentListener.event.source)
assertEquals(value1, contentListener.event.oldValue)
assertEquals(0, contentListener.event.index)
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(1i, sizeListener.event.oldValue)
assertEquals(0i, sizeListener.event.newValue)
}
void testFireEvent_clear() {
def list = new ObservableList()
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def sizeListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.SIZE_PROPERTY, sizeListener)
def value1 = 'value1'
def value2 = 'value2'
list << value1
list << value2
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(1i, sizeListener.event.oldValue)
assertEquals(2i, sizeListener.event.newValue)
list.clear()
assertNotNull(contentListener.event)
assertTrue(contentListener.event instanceof ObservableList.ElementClearedEvent)
assertEquals(list, contentListener.event.source)
def values = contentListener.event.values
assertNotNull(values)
assertEquals(2, values.size())
assertEquals(value1, values[0])
assertEquals(value2, values[1])
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(2i, sizeListener.event.oldValue)
assertEquals(0i, sizeListener.event.newValue)
}
void testFireEvent_addAll() {
def list = new ObservableList()
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def sizeListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.SIZE_PROPERTY, sizeListener)
def value1 = 'value1'
list << value1
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(0i, sizeListener.event.oldValue)
assertEquals(1i, sizeListener.event.newValue)
assertEquals(0i, contentListener.event.index)
def value2 = 'value2'
list.addAll([value2, value1])
assertNotNull(contentListener.event)
assertTrue(contentListener.event instanceof ObservableList.MultiElementAddedEvent)
assertEquals(list, contentListener.event.source)
def values = contentListener.event.values
assertNotNull(values)
assertEquals(2, values.size())
assertEquals(value2, values[0])
assertEquals(value1, values[1])
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(1i, sizeListener.event.oldValue)
assertEquals(3i, sizeListener.event.newValue)
assertEquals(1i, contentListener.event.index)
}
void testFireEvent_removeAll() {
def list = new ObservableList()
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def sizeListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.SIZE_PROPERTY, sizeListener)
def value1 = 'value1'
def value2 = 'value2'
list << value1
list << value2
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(1i, sizeListener.event.oldValue)
assertEquals(2i, sizeListener.event.newValue)
list.removeAll([value2])
assertNotNull(contentListener.event)
assertTrue(contentListener.event instanceof ObservableList.MultiElementRemovedEvent)
assertEquals(list, contentListener.event.source)
def values = contentListener.event.values
assertNotNull(values)
assertEquals(1, values.size())
assertEquals(value2, values[0])
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(2i, sizeListener.event.oldValue)
assertEquals(1i, sizeListener.event.newValue)
}
void testFireEvent_retainAll() {
def list = new ObservableList()
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def sizeListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.SIZE_PROPERTY, sizeListener)
def value1 = 'value1'
def value2 = 'value2'
def value3 = 'value3'
list << value1
list << value2
list << value3
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(2i, sizeListener.event.oldValue)
assertEquals(3i, sizeListener.event.newValue)
list.retainAll([value2])
assertNotNull(contentListener.event)
assertTrue(contentListener.event instanceof ObservableList.MultiElementRemovedEvent)
assertEquals(list, contentListener.event.source)
def values = contentListener.event.values
assertNotNull(values)
assertEquals(2, values.size())
assertEquals(value1, values[0])
assertEquals(value3, values[1])
assertNotNull(sizeListener.event)
assertEquals(list, contentListener.event.source)
assertEquals(3i, sizeListener.event.oldValue)
assertEquals(1i, sizeListener.event.newValue)
}
void testFireEvent_withTest() {
def list = new ObservableList({ !(it instanceof String) })
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def value1 = 1
def value2 = 'value2'
list << value1
assertNotNull(contentListener.event)
assertEquals(list, contentListener.event.source)
assertNull(contentListener.event.oldValue)
assertEquals(value1, contentListener.event.newValue)
contentListener.event = null
list << value2
assertNull(contentListener.event)
}
void testSort_Groovy4937() {
def list = [3, 2, 1] as ObservableList
list = list.sort()
assert list == [1, 2, 3]
}
void testListIterator() {
def list = [1, 2, 3, 4, 5] as ObservableList
assert list.listIterator(2).collect { it } == [3, 4, 5]
assert list.listIterator().collect { it } == [1, 2, 3, 4, 5]
}
void testRetainAllBugGroovy4699() {
def list = new ObservableList(['test', 'test2'])
def contentListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.CONTENT_PROPERTY, contentListener)
def sizeListener = new SampleListPropertyChangeListener()
list.addPropertyChangeListener(ObservableList.SIZE_PROPERTY, sizeListener)
list.retainAll { false }
assert list.isEmpty()
// we are storing one event, so should see second element removed
assertNotNull(contentListener.event)
contentListener.event.with {
assert it instanceof ObservableList.ElementRemovedEvent
assert source == list
assert oldValue == 'test2'
assert index == 0
}
// and size property changed from 1 to 0
assertNotNull(sizeListener.event)
sizeListener.event.with {
assert it instanceof java.beans.PropertyChangeEvent
assert source == list
assert propertyName == 'size'
assert oldValue == 1
assert newValue == 0
}
}
}
class SampleListPropertyChangeListener implements PropertyChangeListener {
PropertyChangeEvent event
public void propertyChange(PropertyChangeEvent evt) {
event = evt
}
}