| /* |
| * 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.jmeter.protocol.tcp.sampler; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| import org.junit.jupiter.api.Test; |
| |
| public class TCPClientDecoratorTest { |
| |
| @Test |
| public void testIntToByteArray() throws Exception { |
| byte[] ba; |
| int len = 2; |
| ba = TCPClientDecorator.intToByteArray(0, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(0, ba[1]); |
| |
| ba = TCPClientDecorator.intToByteArray(15, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(15, ba[1]); |
| |
| ba = TCPClientDecorator.intToByteArray(255, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(-1, ba[1]); |
| |
| ba = TCPClientDecorator.intToByteArray(256, len); |
| assertEquals(len, ba.length); |
| assertEquals(1, ba[0]); |
| assertEquals(0, ba[1]); |
| |
| ba = TCPClientDecorator.intToByteArray(-1, len); |
| assertEquals(len, ba.length); |
| assertEquals(-1, ba[0]); |
| assertEquals(-1, ba[1]); |
| |
| ba = TCPClientDecorator.intToByteArray(Short.MAX_VALUE, len); |
| assertEquals(len, ba.length); |
| assertEquals(127, ba[0]); |
| assertEquals(-1, ba[1]); |
| |
| ba = TCPClientDecorator.intToByteArray(Short.MIN_VALUE, len); |
| assertEquals(len, ba.length); |
| assertEquals(-128, ba[0]); |
| assertEquals(0, ba[1]); |
| |
| try { |
| ba = TCPClientDecorator.intToByteArray(Short.MIN_VALUE-1, len); |
| fail(); |
| } catch (IllegalArgumentException iae) { |
| } |
| |
| try { |
| ba = TCPClientDecorator.intToByteArray(Short.MAX_VALUE+1, len); |
| fail(); |
| } catch (IllegalArgumentException iae) { |
| } |
| |
| len = 4; |
| ba = TCPClientDecorator.intToByteArray(0, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(0, ba[1]); |
| assertEquals(0, ba[2]); |
| assertEquals(0, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(15, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(0, ba[1]); |
| assertEquals(0, ba[2]); |
| assertEquals(15, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(255, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(0, ba[1]); |
| assertEquals(0, ba[2]); |
| assertEquals(-1, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(-1, len); |
| assertEquals(len, ba.length); |
| assertEquals(-1, ba[0]); |
| assertEquals(-1, ba[1]); |
| assertEquals(-1, ba[2]); |
| assertEquals(-1, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(256, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(0, ba[1]); |
| assertEquals(1, ba[2]); |
| assertEquals(0, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(65535, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(0, ba[1]); |
| assertEquals(-1, ba[2]); |
| assertEquals(-1, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(65536, len); |
| assertEquals(len, ba.length); |
| assertEquals(0, ba[0]); |
| assertEquals(1, ba[1]); |
| assertEquals(0, ba[2]); |
| assertEquals(0, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(Integer.MIN_VALUE, len); |
| assertEquals(len, ba.length); |
| assertEquals(-128, ba[0]); |
| assertEquals(0, ba[1]); |
| assertEquals(0, ba[2]); |
| assertEquals(0, ba[3]); |
| |
| ba = TCPClientDecorator.intToByteArray(Integer.MAX_VALUE, len); |
| assertEquals(len, ba.length); |
| assertEquals(127, ba[0]); |
| assertEquals(-1, ba[1]); |
| assertEquals(-1, ba[2]); |
| assertEquals(-1, ba[3]); |
| |
| // Check illegal array lengths |
| try { |
| ba = TCPClientDecorator.intToByteArray(0, 0); |
| fail(); |
| } catch (IllegalArgumentException iae) { |
| } |
| |
| try { |
| ba = TCPClientDecorator.intToByteArray(0, 1); |
| fail(); |
| } catch (IllegalArgumentException iae) { |
| } |
| |
| try { |
| ba = TCPClientDecorator.intToByteArray(0, 3); |
| fail(); |
| } catch (IllegalArgumentException iae) { |
| } |
| try { |
| TCPClientDecorator.intToByteArray(0, 5); |
| fail("Expected IllegalArgumentException"); |
| } catch (IllegalArgumentException iae) { |
| } |
| } |
| |
| @Test |
| public void testByteArrayToInt() throws Exception { |
| byte[] ba; |
| |
| ba = new byte[] { 0, 0 }; |
| assertEquals(0, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { 0, 15 }; |
| assertEquals(15, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { 0, -1 }; |
| assertEquals(255, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { 1, 0 }; |
| assertEquals(256, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { -1, -1 }; |
| assertEquals(-1, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { 0, 0, -1, -1 }; |
| assertEquals(65535, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { 0, 1, 0, 0 }; |
| assertEquals(65536, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { 0, 0, 0, 0 }; |
| assertEquals(0, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { -128, 0, 0, 0 }; |
| assertEquals(Integer.MIN_VALUE, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| ba = new byte[] { 127, -1, -1, -1 }; |
| assertEquals(Integer.MAX_VALUE, TCPClientDecorator.byteArrayToInt(ba)); |
| |
| // test invalid byte arrays |
| try { |
| TCPClientDecorator.byteArrayToInt(null); |
| fail("Expected IllegalArgumentException"); |
| } catch (IllegalArgumentException expected){ |
| // ignored |
| } |
| |
| try { |
| TCPClientDecorator.byteArrayToInt(new byte[]{}); |
| fail("Expected IllegalArgumentException"); |
| } catch (IllegalArgumentException expected){ |
| // ignored |
| } |
| |
| try { |
| TCPClientDecorator.byteArrayToInt(new byte[]{0}); |
| fail("Expected IllegalArgumentException"); |
| } catch (IllegalArgumentException expected){ |
| // ignored |
| } |
| |
| try { |
| TCPClientDecorator.byteArrayToInt(new byte[]{0,0,0}); |
| fail("Expected IllegalArgumentException"); |
| } catch (IllegalArgumentException expected){ |
| // ignored |
| } |
| |
| try { |
| TCPClientDecorator.byteArrayToInt(new byte[]{0,0,0}); |
| fail("Expected IllegalArgumentException"); |
| } catch (IllegalArgumentException expected){ |
| // ignored |
| } |
| } |
| |
| @Test |
| public void testLoopBack() throws Exception { |
| assertEquals(Short.MIN_VALUE, TCPClientDecorator.byteArrayToInt(TCPClientDecorator.intToByteArray(Short.MIN_VALUE, 2))); |
| assertEquals(Short.MAX_VALUE, TCPClientDecorator.byteArrayToInt(TCPClientDecorator.intToByteArray(Short.MAX_VALUE, 2))); |
| assertEquals(Integer.MIN_VALUE, TCPClientDecorator.byteArrayToInt(TCPClientDecorator.intToByteArray(Integer.MIN_VALUE, 4))); |
| assertEquals(Integer.MAX_VALUE, TCPClientDecorator.byteArrayToInt(TCPClientDecorator.intToByteArray(Integer.MAX_VALUE, 4))); |
| } |
| } |