| /* |
| * 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.lucene.util; |
| |
| |
| public class TestIntsRef extends LuceneTestCase { |
| public void testEmpty() { |
| IntsRef i = new IntsRef(); |
| assertEquals(IntsRef.EMPTY_INTS, i.ints); |
| assertEquals(0, i.offset); |
| assertEquals(0, i.length); |
| } |
| |
| public void testFromInts() { |
| int ints[] = new int[] { 1, 2, 3, 4 }; |
| IntsRef i = new IntsRef(ints, 0, 4); |
| assertEquals(ints, i.ints); |
| assertEquals(0, i.offset); |
| assertEquals(4, i.length); |
| |
| IntsRef i2 = new IntsRef(ints, 1, 3); |
| assertEquals(new IntsRef(new int[] { 2, 3, 4 }, 0, 3), i2); |
| |
| assertFalse(i.equals(i2)); |
| } |
| |
| public void testInvalidDeepCopy() { |
| IntsRef from = new IntsRef(new int[] { 1, 2 }, 0, 2); |
| from.offset += 1; // now invalid |
| expectThrows(IndexOutOfBoundsException.class, () -> { |
| IntsRef.deepCopyOf(from); |
| }); |
| } |
| } |