| /******************************************************************************* |
| * Copyright (c) 2016, 2018 itemis AG (http://www.itemis.eu) and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| package org.eclipse.xtext.xbase.tests.lib; |
| |
| import org.eclipse.xtext.xbase.lib.ExclusiveRange; |
| import org.junit.Test; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.assertFalse; |
| import static org.eclipse.xtext.xbase.lib.IterableExtensions.join; |
| |
| /** |
| * @author Jan Koehnlein |
| */ |
| public class ExclusiveRangeTest { |
| |
| @Test |
| public void testContent() { |
| assertEquals("1,2,3,4", join(new ExclusiveRange(1, 5, true), ",")); |
| assertEquals("", join(new ExclusiveRange(0, 0, true), ",")); |
| assertEquals("", join(new ExclusiveRange(0, -1, true), ",")); |
| assertEquals("-1", join(new ExclusiveRange(-1, 0, true), ",")); |
| assertEquals("4,3,2,1", join(new ExclusiveRange(5, 1, false), ",")); |
| assertEquals("", join(new ExclusiveRange(0, 0, false), ",")); |
| assertEquals("", join(new ExclusiveRange(-1, 0, false), ",")); |
| assertEquals("-1", join(new ExclusiveRange(0, -1, false), ",")); |
| } |
| |
| @Test |
| public void testSize() { |
| assertEquals(4, new ExclusiveRange(1, 5, true).size()); |
| assertEquals(0, new ExclusiveRange(0, 0, true).size()); |
| assertEquals(0, new ExclusiveRange(0, -1, true).size()); |
| assertEquals(1, new ExclusiveRange(-1, 0, true).size()); |
| assertEquals(4, new ExclusiveRange(5, 1, false).size()); |
| assertEquals(0, new ExclusiveRange(0, 0, false).size()); |
| assertEquals(0, new ExclusiveRange(-1, 0, false).size()); |
| assertEquals(1, new ExclusiveRange(0, -1, false).size()); |
| } |
| |
| @Test |
| public void testIsEmpty() { |
| assertFalse(new ExclusiveRange(1, 5, true).isEmpty()); |
| assertTrue(new ExclusiveRange(0, 0, true).isEmpty()); |
| assertTrue(new ExclusiveRange(0, -1, true).isEmpty()); |
| assertFalse(new ExclusiveRange(-1, 0, true).isEmpty()); |
| assertFalse(new ExclusiveRange(5, 1, false).isEmpty()); |
| assertTrue(new ExclusiveRange(0, 0, false).isEmpty()); |
| assertTrue(new ExclusiveRange(-1, 0, false).isEmpty()); |
| assertFalse(new ExclusiveRange(0, -1, false).isEmpty()); |
| } |
| |
| @Test |
| public void testContains() { |
| assertFalse(new ExclusiveRange(1, 5, true).contains(0)); |
| assertTrue(new ExclusiveRange(1, 5, true).contains(1)); |
| assertTrue(new ExclusiveRange(1, 5, true).contains(2)); |
| assertTrue(new ExclusiveRange(1, 5, true).contains(3)); |
| assertTrue(new ExclusiveRange(1, 5, true).contains(4)); |
| assertFalse(new ExclusiveRange(1, 5, true).contains(5)); |
| |
| assertFalse(new ExclusiveRange(0, 0, true).contains(0)); |
| |
| assertFalse(new ExclusiveRange(0, -1, true).contains(0)); |
| assertFalse(new ExclusiveRange(0, -1, true).contains(-1)); |
| |
| assertFalse(new ExclusiveRange(-1, 0, true).contains(-2)); |
| assertTrue(new ExclusiveRange(-1, 0, true).contains(-1)); |
| assertFalse(new ExclusiveRange(-1, 0, true).contains(-0)); |
| |
| assertFalse(new ExclusiveRange(5, 1, false).contains(0)); |
| assertTrue(new ExclusiveRange(5, 1, false).contains(1)); |
| assertTrue(new ExclusiveRange(5, 1, false).contains(2)); |
| assertTrue(new ExclusiveRange(5, 1, false).contains(3)); |
| assertTrue(new ExclusiveRange(5, 1, false).contains(4)); |
| assertFalse(new ExclusiveRange(5, 1, false).contains(5)); |
| |
| assertFalse(new ExclusiveRange(0, 0, false).contains(0)); |
| |
| assertFalse(new ExclusiveRange(-1, 0, false).contains(0)); |
| assertFalse(new ExclusiveRange(-1, 0, false).contains(-1)); |
| |
| assertFalse(new ExclusiveRange(0, -1, false).contains(-2)); |
| assertTrue(new ExclusiveRange(0, -1, false).contains(-1)); |
| assertFalse(new ExclusiveRange(0, -1, false).contains(-0)); |
| } |
| |
| } |