1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 package com.google.protobuf; 32 33 import java.io.ByteArrayInputStream; 34 import java.io.ByteArrayOutputStream; 35 import java.io.InputStream; 36 import java.io.ObjectInputStream; 37 import java.io.ObjectOutputStream; 38 import java.io.UnsupportedEncodingException; 39 40 /** 41 * This class tests {@link BoundedByteString}, which extends {@link LiteralByteString}, 42 * by inheriting the tests from {@link LiteralByteStringTest}. The only method which 43 * is strange enough that it needs to be overridden here is {@link #testToString()}. 44 * 45 * @author carlanton@google.com (Carl Haverl) 46 */ 47 public class BoundedByteStringTest extends LiteralByteStringTest { 48 49 @Override setUp()50 protected void setUp() throws Exception { 51 classUnderTest = "BoundedByteString"; 52 byte[] sourceBytes = ByteStringTest.getTestBytes(2341, 11337766L); 53 int from = 100; 54 int to = sourceBytes.length - 100; 55 stringUnderTest = ByteString.copyFrom(sourceBytes).substring(from, to); 56 referenceBytes = new byte[to - from]; 57 System.arraycopy(sourceBytes, from, referenceBytes, 0, to - from); 58 expectedHashCode = 727575887; 59 } 60 61 @Override testToString()62 public void testToString() throws UnsupportedEncodingException { 63 String testString = "I love unicode \u1234\u5678 characters"; 64 ByteString unicode = ByteString.wrap(testString.getBytes(Internal.UTF_8)); 65 ByteString chopped = unicode.substring(2, unicode.size() - 6); 66 assertEquals(classUnderTest + ".substring() must have the expected type", 67 classUnderTest, getActualClassName(chopped)); 68 69 String roundTripString = chopped.toString(UTF_8); 70 assertEquals(classUnderTest + " unicode bytes must match", 71 testString.substring(2, testString.length() - 6), roundTripString); 72 } 73 74 @Override testCharsetToString()75 public void testCharsetToString() { 76 String testString = "I love unicode \u1234\u5678 characters"; 77 ByteString unicode = ByteString.wrap(testString.getBytes(Internal.UTF_8)); 78 ByteString chopped = unicode.substring(2, unicode.size() - 6); 79 assertEquals(classUnderTest + ".substring() must have the expected type", 80 classUnderTest, getActualClassName(chopped)); 81 82 String roundTripString = chopped.toString(Internal.UTF_8); 83 assertEquals(classUnderTest + " unicode bytes must match", 84 testString.substring(2, testString.length() - 6), roundTripString); 85 } 86 87 @Override testJavaSerialization()88 public void testJavaSerialization() throws Exception { 89 ByteArrayOutputStream out = new ByteArrayOutputStream(); 90 ObjectOutputStream oos = new ObjectOutputStream(out); 91 oos.writeObject(stringUnderTest); 92 oos.close(); 93 byte[] pickled = out.toByteArray(); 94 InputStream in = new ByteArrayInputStream(pickled); 95 ObjectInputStream ois = new ObjectInputStream(in); 96 Object o = ois.readObject(); 97 assertTrue("Didn't get a ByteString back", o instanceof ByteString); 98 assertEquals("Should get an equal ByteString back", stringUnderTest, o); 99 } 100 } 101