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 com.google.protobuf.Descriptors.FieldDescriptor; 34 import protobuf_unittest.UnittestProto; 35 import protobuf_unittest.UnittestProto.TestAllExtensions; 36 import protobuf_unittest.UnittestProto.TestAllTypes; 37 import junit.framework.TestCase; 38 39 /** Unit tests for proto2 that treats unknown enum values as unknown fields. */ 40 public class Proto2UnknownEnumValueTest extends TestCase { 41 FieldDescriptor singularField = 42 TestAllTypes.getDescriptor().findFieldByName("optional_nested_enum"); 43 FieldDescriptor repeatedField = 44 TestAllTypes.getDescriptor().findFieldByName("repeated_nested_enum"); 45 byte[] payload = buildPayloadWithUnknownEnumValues(); 46 buildPayloadWithUnknownEnumValues()47 private byte[] buildPayloadWithUnknownEnumValues() { 48 // Builds a payload with unknown enum values. 49 UnknownFieldSet.Builder builder = UnknownFieldSet.newBuilder(); 50 builder.addField( 51 singularField.getNumber(), 52 UnknownFieldSet.Field.newBuilder() 53 .addVarint(TestAllTypes.NestedEnum.BAR.getNumber()) 54 .addVarint(1901 /* unknown enum value */) 55 .build()); 56 builder.addField( 57 repeatedField.getNumber(), 58 UnknownFieldSet.Field.newBuilder() 59 .addVarint(TestAllTypes.NestedEnum.FOO.getNumber()) 60 .addVarint(1902 /* unknown enum value */) 61 .addVarint(TestAllTypes.NestedEnum.BAZ.getNumber()) 62 .addVarint(1903 /* unknown enum value */) 63 .build()); 64 return builder.build().toByteArray(); 65 } 66 testUnknownEnumValues()67 public void testUnknownEnumValues() throws Exception { 68 TestAllTypes message = TestAllTypes.parseFrom(payload); 69 70 // Known enum values should be preserved. 71 assertEquals(TestAllTypes.NestedEnum.BAR, message.getOptionalNestedEnum()); 72 assertEquals(2, message.getRepeatedNestedEnumList().size()); 73 assertEquals(TestAllTypes.NestedEnum.FOO, message.getRepeatedNestedEnum(0)); 74 assertEquals(TestAllTypes.NestedEnum.BAZ, message.getRepeatedNestedEnum(1)); 75 76 // Unknown enum values should be found in UnknownFieldSet. 77 UnknownFieldSet unknown = message.getUnknownFields(); 78 assertEquals( 79 1901, unknown.getField(singularField.getNumber()).getVarintList().get(0).longValue()); 80 assertEquals( 81 1902, unknown.getField(repeatedField.getNumber()).getVarintList().get(0).longValue()); 82 assertEquals( 83 1903, unknown.getField(repeatedField.getNumber()).getVarintList().get(1).longValue()); 84 } 85 testExtensionUnknownEnumValues()86 public void testExtensionUnknownEnumValues() throws Exception { 87 ExtensionRegistry registry = ExtensionRegistry.newInstance(); 88 UnittestProto.registerAllExtensions(registry); 89 TestAllExtensions message = TestAllExtensions.parseFrom(payload, registry); 90 91 assertEquals( 92 TestAllTypes.NestedEnum.BAR, 93 message.getExtension(UnittestProto.optionalNestedEnumExtension)); 94 assertEquals(2, message.getExtension(UnittestProto.repeatedNestedEnumExtension).size()); 95 assertEquals( 96 TestAllTypes.NestedEnum.FOO, 97 message.getExtension(UnittestProto.repeatedNestedEnumExtension, 0)); 98 assertEquals( 99 TestAllTypes.NestedEnum.BAZ, 100 message.getExtension(UnittestProto.repeatedNestedEnumExtension, 1)); 101 102 // Unknown enum values should be found in UnknownFieldSet. 103 UnknownFieldSet unknown = message.getUnknownFields(); 104 assertEquals( 105 1901, unknown.getField(singularField.getNumber()).getVarintList().get(0).longValue()); 106 assertEquals( 107 1902, unknown.getField(repeatedField.getNumber()).getVarintList().get(0).longValue()); 108 assertEquals( 109 1903, unknown.getField(repeatedField.getNumber()).getVarintList().get(1).longValue()); 110 } 111 } 112