1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // http://code.google.com/p/protobuf/
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
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
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.
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.
31 package com.google.protobuf;
33 import java.io.UnsupportedEncodingException;
34 import java.util.Iterator;
37 * This class tests {@link RopeByteString#substring(int, int)} by inheriting the tests from
38 * {@link LiteralByteStringTest}. Only a couple of methods are overridden.
40 * @author carlanton@google.com (Carl Haverl)
42 public class RopeByteStringSubstringTest extends LiteralByteStringTest {
45 protected void setUp() throws Exception {
46 classUnderTest = "RopeByteString";
47 byte[] sourceBytes = ByteStringTest.getTestBytes(22341, 22337766L);
48 Iterator<ByteString> iter = ByteStringTest.makeConcretePieces(sourceBytes).iterator();
49 ByteString sourceString = iter.next();
50 while (iter.hasNext()) {
51 sourceString = sourceString.concat(iter.next());
55 int to = sourceBytes.length - 5555;
56 stringUnderTest = sourceString.substring(from, to);
57 referenceBytes = new byte[to - from];
58 System.arraycopy(sourceBytes, from, referenceBytes, 0, to - from);
59 expectedHashCode = -1259260680;
63 public void testGetTreeDepth() {
64 assertEquals(classUnderTest + " must have the expected tree depth",
65 3, stringUnderTest.getTreeDepth());
69 public void testToString() throws UnsupportedEncodingException {
70 String sourceString = "I love unicode \u1234\u5678 characters";
71 ByteString sourceByteString = ByteString.copyFromUtf8(sourceString);
74 // By building the RopeByteString by concatenating, this is actually a fairly strenuous test.
75 StringBuilder builder = new StringBuilder(copies * sourceString.length());
76 ByteString unicode = ByteString.EMPTY;
77 for (int i = 0; i < copies; ++i) {
78 builder.append(sourceString);
79 unicode = RopeByteString.concatenate(unicode, sourceByteString);
81 String testString = builder.toString();
83 // Do the substring part
84 testString = testString.substring(2, testString.length() - 6);
85 unicode = unicode.substring(2, unicode.size() - 6);
87 assertEquals(classUnderTest + " from string must have the expected type",
88 classUnderTest, getActualClassName(unicode));
89 String roundTripString = unicode.toString(UTF_8);
90 assertEquals(classUnderTest + " unicode bytes must match",
91 testString, roundTripString);
92 ByteString flatString = ByteString.copyFromUtf8(testString);
93 assertEquals(classUnderTest + " string must equal the flat string", flatString, unicode);
94 assertEquals(classUnderTest + " string must must have same hashCode as the flat string",
95 flatString.hashCode(), unicode.hashCode());