| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * 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 ObservableSetTests extends GroovyTestCase { |
| void testFireEvent_add_withoutTest() { |
| def set = new ObservableSet() |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| def sizeListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.SIZE_PROPERTY, sizeListener) |
| |
| def value1 = 'value1' |
| def value2 = 'value2' |
| |
| set << value1 |
| assertNotNull(contentListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertNull(contentListener.event.oldValue) |
| assertEquals(value1, contentListener.event.newValue) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(0i, sizeListener.event.oldValue) |
| assertEquals(1i, sizeListener.event.newValue) |
| |
| set << value2 |
| assertNotNull(contentListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertNull(contentListener.event.oldValue) |
| assertEquals(value2, contentListener.event.newValue) |
| } |
| |
| void testFireEvent_remove() { |
| def set = new ObservableSet() |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| def sizeListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.SIZE_PROPERTY, sizeListener) |
| |
| def value1 = 'value1' |
| def value2 = 'value2' |
| |
| set << value1 |
| assertNotNull(contentListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertNull(contentListener.event.oldValue) |
| assertEquals(value1, contentListener.event.newValue) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(0i, sizeListener.event.oldValue) |
| assertEquals(1i, sizeListener.event.newValue) |
| |
| set << value2 |
| assertNotNull(contentListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertNull(contentListener.event.oldValue) |
| assertEquals(value2, contentListener.event.newValue) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(1i, sizeListener.event.oldValue) |
| assertEquals(2i, sizeListener.event.newValue) |
| |
| set.remove(value2) |
| assertNotNull(contentListener.event) |
| assertTrue(contentListener.event instanceof ObservableSet.ElementRemovedEvent) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(value2, contentListener.event.oldValue) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(2i, sizeListener.event.oldValue) |
| assertEquals(1i, sizeListener.event.newValue) |
| |
| set.remove(value1) |
| assertNotNull(contentListener.event) |
| assertTrue(contentListener.event instanceof ObservableSet.ElementRemovedEvent) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(value1, contentListener.event.oldValue) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(1i, sizeListener.event.oldValue) |
| assertEquals(0i, sizeListener.event.newValue) |
| } |
| |
| void testFireEvent_clear() { |
| def set = new ObservableSet() |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| def sizeListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.SIZE_PROPERTY, sizeListener) |
| |
| def value1 = 'value1' |
| def value2 = 'value2' |
| set << value1 |
| set << value2 |
| |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(1i, sizeListener.event.oldValue) |
| assertEquals(2i, sizeListener.event.newValue) |
| |
| set.clear() |
| |
| assertNotNull(contentListener.event) |
| assertTrue(contentListener.event instanceof ObservableSet.ElementClearedEvent) |
| assertEquals(set, contentListener.event.source) |
| def values = contentListener.event.values |
| assertNotNull(values) |
| assertEquals(2, values.size()) |
| assertTrue(values.contains(value1)) |
| assertTrue(values.contains(value2)) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(2i, sizeListener.event.oldValue) |
| assertEquals(0i, sizeListener.event.newValue) |
| } |
| |
| void testFireEvent_addAll() { |
| def set = new ObservableSet() |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| def sizeListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.SIZE_PROPERTY, sizeListener) |
| |
| def value1 = 'value1' |
| def value2 = 'value2' |
| set << value1 |
| |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(0i, sizeListener.event.oldValue) |
| assertEquals(1i, sizeListener.event.newValue) |
| |
| set.addAll([value1, value2]) |
| |
| assertNotNull(contentListener.event) |
| assertTrue(contentListener.event instanceof ObservableSet.MultiElementAddedEvent) |
| assertEquals(set, contentListener.event.source) |
| def values = contentListener.event.values |
| assertNotNull(values) |
| assertEquals(1, values.size()) |
| assertFalse(values.contains(value1)) |
| assertTrue(values.contains(value2)) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assert 1i == sizeListener.event.oldValue |
| assert 2i == sizeListener.event.newValue |
| } |
| |
| void testFireEvent_removeAll() { |
| def set = new ObservableSet() |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| def sizeListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.SIZE_PROPERTY, sizeListener) |
| |
| def value1 = 'value1' |
| def value2 = 'value2' |
| set << value1 |
| set << value2 |
| |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(1i, sizeListener.event.oldValue) |
| assertEquals(2i, sizeListener.event.newValue) |
| |
| set.removeAll([value2]) |
| |
| assertNotNull(contentListener.event) |
| assertTrue(contentListener.event instanceof ObservableSet.MultiElementRemovedEvent) |
| assertEquals(set, contentListener.event.source) |
| def values = contentListener.event.values |
| assertNotNull(values) |
| assertEquals(1, values.size()) |
| assertEquals(value2, values[0]) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(2i, sizeListener.event.oldValue) |
| assertEquals(1i, sizeListener.event.newValue) |
| } |
| |
| void testFireEvent_retainAll() { |
| def set = new ObservableSet() |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| def sizeListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.SIZE_PROPERTY, sizeListener) |
| |
| def value1 = 'value1' |
| def value2 = 'value2' |
| def value3 = 'value3' |
| set << value1 |
| set << value2 |
| set << value3 |
| |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(2i, sizeListener.event.oldValue) |
| assertEquals(3i, sizeListener.event.newValue) |
| |
| set.retainAll([value2]) |
| |
| assertNotNull(contentListener.event) |
| assertTrue(contentListener.event instanceof ObservableSet.MultiElementRemovedEvent) |
| assertEquals(set, contentListener.event.source) |
| def values = contentListener.event.values |
| assertNotNull(values) |
| assertEquals(2, values.size()) |
| assertTrue(values.contains(value1)) |
| assertTrue(values.contains(value3)) |
| assertNotNull(sizeListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertEquals(3i, sizeListener.event.oldValue) |
| assertEquals(1i, sizeListener.event.newValue) |
| } |
| |
| void testFireEvent_withTest() { |
| def set = new ObservableSet({ !(it instanceof String) }) |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| |
| def value1 = 1 |
| def value2 = 'value2' |
| set << value1 |
| assertNotNull(contentListener.event) |
| assertEquals(set, contentListener.event.source) |
| assertNull(contentListener.event.oldValue) |
| assertEquals(value1, contentListener.event.newValue) |
| |
| contentListener.event = null |
| set << value2 |
| assertNull(contentListener.event) |
| } |
| |
| void testSort_Groovy4937() { |
| def set = [3, 2, 1] as ObservableSet |
| set = set.sort() |
| assert set == [1, 2, 3] |
| } |
| |
| void testRetainAllBugGroovy4699() { |
| def set = new ObservableSet(['test', 'test2'] as Set) |
| def contentListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.CONTENT_PROPERTY, contentListener) |
| def sizeListener = new SampleSetPropertyChangeListener() |
| set.addPropertyChangeListener(ObservableSet.SIZE_PROPERTY, sizeListener) |
| set.retainAll { false } |
| assert set.isEmpty() |
| |
| // we are storing one event, so should see second element removed |
| assertNotNull(contentListener.event) |
| contentListener.event.with { |
| assert it instanceof ObservableSet.ElementRemovedEvent |
| assert source == set |
| assert oldValue == 'test2' |
| } |
| // and size property changed from 1 to 0 |
| assertNotNull(sizeListener.event) |
| sizeListener.event.with { |
| assert it instanceof java.beans.PropertyChangeEvent |
| assert source == set |
| assert propertyName == 'size' |
| assert oldValue == 1 |
| assert newValue == 0 |
| } |
| } |
| } |
| |
| class SampleSetPropertyChangeListener implements PropertyChangeListener { |
| PropertyChangeEvent event |
| |
| void propertyChange(PropertyChangeEvent evt) { |
| event = evt |
| } |
| } |