| /* |
| * 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 org.apache.sis.feature; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| // Test dependencies |
| import org.junit.jupiter.api.Test; |
| import static org.junit.jupiter.api.Assertions.*; |
| import static org.apache.sis.test.Assertions.assertMessageContains; |
| import org.apache.sis.test.TestCase; |
| import static org.apache.sis.test.TestUtilities.getSingleton; |
| |
| |
| /** |
| * Tests {@link PropertySingleton}. |
| * |
| * @author Martin Desruisseaux (Geomatys) |
| */ |
| public final class PropertySingletonTest extends TestCase { |
| /** |
| * The instance to test. |
| */ |
| private final PropertySingleton<Integer> singleton; |
| |
| /** |
| * The attribute wrapped by the {@link #singleton} list. |
| */ |
| private final AbstractAttribute<Integer> attribute; |
| |
| /** |
| * Creates a new test case. |
| */ |
| public PropertySingletonTest() { |
| attribute = new SingletonAttribute<>(new DefaultAttributeType<>( |
| Map.of(DefaultAttributeType.NAME_KEY, "test"), |
| Integer.class, 0, 1, null)); |
| singleton = new PropertySingleton<>(attribute); |
| } |
| |
| /** |
| * Tests an empty list. |
| */ |
| @Test |
| public void testEmpty() { |
| assertEquals(0, singleton.size()); |
| assertTrue ( singleton.isEmpty()); |
| assertEquals(0, singleton.toArray().length); |
| assertFalse (singleton.iterator().hasNext()); |
| assertFalse (singleton.listIterator().hasNext()); |
| |
| IndexOutOfBoundsException e; |
| e = assertThrows(IndexOutOfBoundsException.class, () -> singleton.get(0)); |
| assertMessageContains(e); |
| |
| e = assertThrows(IndexOutOfBoundsException.class, () -> singleton.remove(0)); |
| assertMessageContains(e); |
| } |
| |
| /** |
| * Tests the addition, setting and removal of a single element. |
| */ |
| @Test |
| public void testSingleton() { |
| final Integer a1 = 1000; |
| final Integer a2 = 2000; |
| assertEquals(-1, singleton.indexOf(a1)); |
| assertTrue ( singleton.add(a1)); |
| assertEquals( 1, singleton.size()); |
| assertFalse ( singleton.isEmpty()); |
| assertEquals( 0, singleton.indexOf(a1)); |
| assertSame (a1, singleton.get(0)); |
| assertSame (a1, getSingleton(singleton)); |
| assertSame (a1, singleton.set(0, a2)); |
| assertSame (a2, singleton.get(0)); |
| assertSame (a2, getSingleton(singleton)); |
| assertArrayEquals(new Object[] {a2}, singleton.toArray()); |
| assertSame (a2, singleton.remove(0)); |
| assertEquals( 0, singleton.size()); |
| } |
| |
| /** |
| * Ensures that we cannot add more than 1 element. |
| */ |
| @Test |
| public void testMaximumOccurrence() { |
| final Integer a1 = 1000; |
| final Integer a2 = 2000; |
| assertTrue(singleton.add(a1)); |
| |
| var e = assertThrows(IllegalStateException.class, () -> assertTrue(singleton.add(a2)), |
| "Shall not be allowed to add more than 1 element."); |
| assertMessageContains(e, "test"); |
| } |
| |
| /** |
| * Tests {@code addAll(…)} and {@code removeAll(…)} methods. |
| */ |
| @Test |
| public void testRemoveAll() { |
| final Set<Integer> attributes = Set.of(1000); |
| assertTrue (singleton.addAll(attributes)); |
| assertFalse(singleton.isEmpty()); |
| assertTrue (singleton.removeAll(attributes)); |
| assertTrue (singleton.isEmpty()); |
| } |
| } |