| /* |
| * 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.datasketches; |
| |
| import static org.apache.datasketches.ByteArrayUtil.getDoubleBE; |
| import static org.apache.datasketches.ByteArrayUtil.getDoubleLE; |
| import static org.apache.datasketches.ByteArrayUtil.getFloatBE; |
| import static org.apache.datasketches.ByteArrayUtil.getFloatLE; |
| import static org.apache.datasketches.ByteArrayUtil.getIntBE; |
| import static org.apache.datasketches.ByteArrayUtil.getIntLE; |
| import static org.apache.datasketches.ByteArrayUtil.getLongBE; |
| import static org.apache.datasketches.ByteArrayUtil.getLongLE; |
| import static org.apache.datasketches.ByteArrayUtil.getShortBE; |
| import static org.apache.datasketches.ByteArrayUtil.getShortLE; |
| import static org.apache.datasketches.ByteArrayUtil.putDoubleBE; |
| import static org.apache.datasketches.ByteArrayUtil.putDoubleLE; |
| import static org.apache.datasketches.ByteArrayUtil.putFloatBE; |
| import static org.apache.datasketches.ByteArrayUtil.putFloatLE; |
| import static org.apache.datasketches.ByteArrayUtil.putIntBE; |
| import static org.apache.datasketches.ByteArrayUtil.putIntLE; |
| import static org.apache.datasketches.ByteArrayUtil.putLongBE; |
| import static org.apache.datasketches.ByteArrayUtil.putLongLE; |
| import static org.apache.datasketches.ByteArrayUtil.putShortBE; |
| import static org.apache.datasketches.ByteArrayUtil.putShortLE; |
| import static org.testng.Assert.assertEquals; |
| |
| import org.testng.annotations.Test; |
| |
| /** |
| * @author Lee Rhodes |
| */ |
| @SuppressWarnings("javadoc") |
| public class ByteArrayUtilTest { |
| |
| @Test |
| public void checkGetPutShortLE() { |
| final byte[] arr = { 79, -93, 124, 117 }; |
| final short out1 = getShortLE(arr, 0); |
| final short out2 = getShortLE(arr, 2); |
| final byte[] arr2 = new byte[4]; |
| putShortLE(arr2, 0, out1); |
| putShortLE(arr2, 2, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| @Test |
| public void checkGetPutShortBE() { |
| final byte[] arr = { 79, -93, 124, 117 }; |
| final short out1 = getShortBE(arr, 0); |
| final short out2 = getShortBE(arr, 2); |
| final byte[] arr2 = new byte[4]; |
| putShortBE(arr2, 0, out1); |
| putShortBE(arr2, 2, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| @Test |
| public void checkGetPutIntLE() { |
| final byte[] arr = { 79, -93, 124, 117, -73, -100, -114, 77 }; |
| final int out1 = getIntLE(arr, 0); |
| final int out2 = getIntLE(arr, 4); |
| final byte[] arr2 = new byte[8]; |
| putIntLE(arr2, 0, out1); |
| putIntLE(arr2, 4, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| @Test |
| public void checkGetPutIntBE() { |
| final byte[] arr = { 79, -93, 124, 117, -73, -100, -114, 77 }; |
| final int out1 = getIntBE(arr, 0); |
| final int out2 = getIntBE(arr, 4); |
| final byte[] arr2 = new byte[8]; |
| putIntBE(arr2, 0, out1); |
| putIntBE(arr2, 4, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| |
| @Test |
| public void checkGetPutLongLE() { |
| final byte[] arr = { 79, -93, 124, 117, -73, -100, -114, 77, 5, -95, -15, 41, -89, -124, -26, -87 }; |
| final long out1 = getLongLE(arr, 0); |
| final long out2 = getLongLE(arr, 8); |
| final byte[] arr2 = new byte[16]; |
| putLongLE(arr2, 0, out1); |
| putLongLE(arr2, 8, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| @Test |
| public void checkGetPutLongBE() { |
| final byte[] arr = { 79, -93, 124, 117, -73, -100, -114, 77, 5, -95, -15, 41, -89, -124, -26, -87 }; |
| final long out1 = getLongBE(arr, 0); |
| final long out2 = getLongBE(arr, 8); |
| final byte[] arr2 = new byte[16]; |
| putLongBE(arr2, 0, out1); |
| putLongBE(arr2, 8, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| @Test |
| public void checkGetPutFloatLE() { |
| final byte[] arr = { -37, 15, 73, 64, 84, -8, 45, 64 }; //PI, E |
| final float out1 = getFloatLE(arr, 0); |
| final float out2 = getFloatLE(arr, 4); |
| final byte[] arr2 = new byte[8]; |
| putFloatLE(arr2, 0, out1); |
| putFloatLE(arr2, 4, out2); |
| assertEquals(arr2, arr); |
| assertEquals(out1, (float)Math.PI); |
| assertEquals(out2, (float)Math.E); |
| } |
| |
| @Test |
| public void checkGetPutFloatBE() { |
| final byte[] arr = { -37, 15, 73, 64, 84, -8, 45, 64 }; //PI, E |
| final float out1 = getFloatBE(arr, 0); |
| final float out2 = getFloatBE(arr, 4); |
| final byte[] arr2 = new byte[8]; |
| putFloatBE(arr2, 0, out1); |
| putFloatBE(arr2, 4, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| @Test |
| public void checkGetPutDoubleLE() { |
| final byte[] arr = { 24, 45, 68, 84, -5, 33, 9, 64, 105, 87, 20, -117, 10, -65, 5, 64 }; //PI, E |
| final double out1 = getDoubleLE(arr, 0); |
| final double out2 = getDoubleLE(arr, 8); |
| final byte[] arr2 = new byte[16]; |
| putDoubleLE(arr2, 0, out1); |
| putDoubleLE(arr2, 8, out2); |
| assertEquals(arr2, arr); |
| assertEquals(out1, Math.PI); |
| assertEquals(out2, Math.E); |
| } |
| |
| @Test |
| public void checkGetPutDoubleBE() { |
| final byte[] arr = { 24, 45, 68, 84, -5, 33, 9, 64, 105, 87, 20, -117, 10, -65, 5, 64 }; //PI, E |
| final double out1 = getDoubleBE(arr, 0); |
| final double out2 = getDoubleBE(arr, 8); |
| final byte[] arr2 = new byte[16]; |
| putDoubleBE(arr2, 0, out1); |
| putDoubleBE(arr2, 8, out2); |
| assertEquals(arr2, arr); |
| } |
| |
| } |