| /* |
| * 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.drill.exec.util; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class TestArrayWrappedIntIntMap { |
| @Test |
| public void testSimple() { |
| ArrayWrappedIntIntMap map = new ArrayWrappedIntIntMap(); |
| map.put(0, 0); |
| map.put(1, 1); |
| map.put(9, 9); |
| |
| assertEquals(0, map.get(0)); |
| assertEquals(1, map.get(1)); |
| assertEquals(9, map.get(9)); |
| } |
| |
| @Test(expected = ArrayIndexOutOfBoundsException.class) |
| public void testInvalidKeyAccess() { |
| ArrayWrappedIntIntMap map = new ArrayWrappedIntIntMap(); |
| map.put(0, 0); |
| map.put(1, 1); |
| map.put(9, 9); |
| |
| assertEquals(0, map.get(0)); |
| assertEquals(1, map.get(1)); |
| assertEquals(9, map.get(9)); |
| |
| assertEquals(Integer.MIN_VALUE, map.get(2)); |
| map.get(256); // this should throw ArrayOutOfBoundsException |
| } |
| |
| @Test |
| public void testResizing() { |
| ArrayWrappedIntIntMap map = new ArrayWrappedIntIntMap(); |
| int[] expectedValues = new int[] {1, 32, 64, 150, 256, 4000}; |
| |
| for(int i=0; i<expectedValues.length; i++) { |
| map.put(expectedValues[i], expectedValues[i]); |
| } |
| |
| for(int i=0; i<expectedValues.length; i++) { |
| assertEquals(expectedValues[i], map.get(expectedValues[i])); |
| } |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidKeyBelowMinValueSupported() { |
| ArrayWrappedIntIntMap map = new ArrayWrappedIntIntMap(); |
| map.put(-1, 0); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidKeyAboveMaxKeyValueSupported() { |
| ArrayWrappedIntIntMap map = new ArrayWrappedIntIntMap(); |
| map.put(1 << 16, 0); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidValuePut() { |
| ArrayWrappedIntIntMap map = new ArrayWrappedIntIntMap(); |
| map.put(1, -1); |
| } |
| } |