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 static com.google.common.truth.Truth.assertThat; 34 35 import java.io.ByteArrayInputStream; 36 import java.io.IOException; 37 import java.io.InputStream; 38 import org.junit.Test; 39 import org.junit.runner.RunWith; 40 import org.junit.runners.JUnit4; 41 42 @RunWith(JUnit4.class) 43 public final class UnknownFieldSetPerformanceTest { 44 generateBytes(int length)45 private static byte[] generateBytes(int length) { 46 assertThat(length % 4).isEqualTo(0); 47 byte[] input = new byte[length]; 48 for (int i = 0; i < length; i += 4) { 49 input[i] = (byte) 0x08; // field 1, wiretype 0 50 input[i + 1] = (byte) 0x08; // field 1, payload 8 51 input[i + 2] = (byte) 0x20; // field 4, wiretype 0 52 input[i + 3] = (byte) 0x20; // field 4, payload 32 53 } 54 return input; 55 } 56 57 @Test 58 // This is a performance test. Failure here is a timeout. testAlternatingFieldNumbers()59 public void testAlternatingFieldNumbers() throws IOException { 60 byte[] input = generateBytes(800000); 61 InputStream in = new ByteArrayInputStream(input); 62 UnknownFieldSet.Builder builder = UnknownFieldSet.newBuilder(); 63 CodedInputStream codedInput = CodedInputStream.newInstance(in); 64 builder.mergeFrom(codedInput); 65 } 66 67 @Test 68 // This is a performance test. Failure here is a timeout. testAddField()69 public void testAddField() { 70 UnknownFieldSet.Builder builder = UnknownFieldSet.newBuilder(); 71 for (int i = 1; i <= 100000; i++) { 72 UnknownFieldSet.Field field = UnknownFieldSet.Field.newBuilder().addFixed32(i).build(); 73 builder.addField(i, field); 74 } 75 UnknownFieldSet fieldSet = builder.build(); 76 assertThat(fieldSet.getField(100000).getFixed32List().get(0)).isEqualTo(100000); 77 } 78 } 79