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| 1 // Protocol Buffers - Google's data interchange format |
| 2 // Copyright 2008 Google Inc. All rights reserved. |
| 3 // http://code.google.com/p/protobuf/ |
| 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.test; |
| 32 import com.google.protobuf.*; |
| 33 |
| 34 import java.io.UnsupportedEncodingException; |
| 35 import java.util.Arrays; |
| 36 import java.util.Iterator; |
| 37 |
| 38 /** |
| 39 * This class tests {@link RopeByteString} by inheriting the tests from |
| 40 * {@link LiteralByteStringTest}. Only a couple of methods are overridden. |
| 41 * |
| 42 * <p>A full test of the result of {@link RopeByteString#substring(int, int)} is
found in the |
| 43 * separate class {@link RopeByteStringSubstringTest}. |
| 44 * |
| 45 * @author carlanton@google.com (Carl Haverl) |
| 46 */ |
| 47 public class RopeByteStringTest extends LiteralByteStringTest { |
| 48 |
| 49 @Override |
| 50 protected void setUp() throws Exception { |
| 51 classUnderTest = "RopeByteString"; |
| 52 referenceBytes = ByteStringTest.getTestBytes(22341, 22337766L); |
| 53 Iterator<ByteString> iter = ByteStringTest.makeConcretePieces(referenceBytes
).iterator(); |
| 54 stringUnderTest = iter.next(); |
| 55 while (iter.hasNext()) { |
| 56 stringUnderTest = stringUnderTest.concat(iter.next()); |
| 57 } |
| 58 expectedHashCode = -1214197238; |
| 59 } |
| 60 |
| 61 public void testBalance() { |
| 62 int numberOfPieces = 10000; |
| 63 int pieceSize = 64; |
| 64 byte[] testBytes = ByteStringTest.getTestBytes(numberOfPieces * pieceSize, 1
13377L); |
| 65 |
| 66 // Build up a big ByteString from smaller pieces to force a rebalance |
| 67 ByteString concatenated = ByteString.EMPTY; |
| 68 for (int i = 0; i < numberOfPieces; ++i) { |
| 69 concatenated = concatenated.concat(ByteString.copyFrom(testBytes, i * piec
eSize, pieceSize)); |
| 70 } |
| 71 |
| 72 assertEquals(classUnderTest + " from string must have the expected type", |
| 73 classUnderTest, getActualClassName(concatenated)); |
| 74 assertTrue(classUnderTest + " underlying bytes must match after balancing", |
| 75 Arrays.equals(testBytes, concatenated.toByteArray())); |
| 76 ByteString testString = ByteString.copyFrom(testBytes); |
| 77 assertTrue(classUnderTest + " balanced string must equal flat string", |
| 78 concatenated.equals(testString)); |
| 79 assertTrue(classUnderTest + " flat string must equal balanced string", |
| 80 testString.equals(concatenated)); |
| 81 assertEquals(classUnderTest + " balanced string must have same hash code as
flat string", |
| 82 testString.hashCode(), concatenated.hashCode()); |
| 83 } |
| 84 } |
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