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}, by 42 * inheriting the tests from {@link LiteralByteStringTest}. The only method which is strange enough 43 * 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( 67 classUnderTest + ".substring() must have the expected type", 68 classUnderTest, 69 getActualClassName(chopped)); 70 71 String roundTripString = chopped.toString(UTF_8); 72 assertEquals( 73 classUnderTest + " unicode bytes must match", 74 testString.substring(2, testString.length() - 6), 75 roundTripString); 76 } 77 78 @Override testCharsetToString()79 public void testCharsetToString() { 80 String testString = "I love unicode \u1234\u5678 characters"; 81 ByteString unicode = ByteString.wrap(testString.getBytes(Internal.UTF_8)); 82 ByteString chopped = unicode.substring(2, unicode.size() - 6); 83 assertEquals( 84 classUnderTest + ".substring() must have the expected type", 85 classUnderTest, 86 getActualClassName(chopped)); 87 88 String roundTripString = chopped.toString(Internal.UTF_8); 89 assertEquals( 90 classUnderTest + " unicode bytes must match", 91 testString.substring(2, testString.length() - 6), 92 roundTripString); 93 } 94 95 @Override testJavaSerialization()96 public void testJavaSerialization() throws Exception { 97 ByteArrayOutputStream out = new ByteArrayOutputStream(); 98 ObjectOutputStream oos = new ObjectOutputStream(out); 99 oos.writeObject(stringUnderTest); 100 oos.close(); 101 byte[] pickled = out.toByteArray(); 102 InputStream in = new ByteArrayInputStream(pickled); 103 ObjectInputStream ois = new ObjectInputStream(in); 104 Object o = ois.readObject(); 105 assertTrue("Didn't get a ByteString back", o instanceof ByteString); 106 assertEquals("Should get an equal ByteString back", stringUnderTest, o); 107 } 108 } 109