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author | Jon Skeet <skeet@pobox.com> | 2008-10-22 13:30:34 +0100 |
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committer | Jon Skeet <skeet@pobox.com> | 2008-10-22 13:30:34 +0100 |
commit | 6803686bc06c4d96afd9bd2637f7b37a58596699 (patch) | |
tree | 4b21c563f4cd4e399fbc0b253bc2f15e822eae88 /src/ProtocolBuffers.Test/UnknownFieldSetTest.cs | |
parent | f0589506c96600dcd01319b9d1929d87505f3daa (diff) | |
download | protobuf-6803686bc06c4d96afd9bd2637f7b37a58596699.tar.gz protobuf-6803686bc06c4d96afd9bd2637f7b37a58596699.tar.bz2 protobuf-6803686bc06c4d96afd9bd2637f7b37a58596699.zip |
First cut at new layout
Diffstat (limited to 'src/ProtocolBuffers.Test/UnknownFieldSetTest.cs')
-rw-r--r-- | src/ProtocolBuffers.Test/UnknownFieldSetTest.cs | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/src/ProtocolBuffers.Test/UnknownFieldSetTest.cs b/src/ProtocolBuffers.Test/UnknownFieldSetTest.cs new file mode 100644 index 00000000..12ed4120 --- /dev/null +++ b/src/ProtocolBuffers.Test/UnknownFieldSetTest.cs @@ -0,0 +1,314 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +using System; +using System.Collections.Generic; +using Google.ProtocolBuffers.Descriptors; +using Google.ProtocolBuffers.TestProtos; +using NUnit.Framework; + +namespace Google.ProtocolBuffers { + [TestFixture] + public class UnknownFieldSetTest { + + private MessageDescriptor descriptor; + private TestAllTypes allFields; + private ByteString allFieldsData; + + /// <summary> + /// An empty message that has been parsed from allFieldsData. So, it has + /// unknown fields of every type. + /// </summary> + private TestEmptyMessage emptyMessage; + private UnknownFieldSet unknownFields; + + [SetUp] + public void SetUp() { + descriptor = TestAllTypes.Descriptor; + allFields = TestUtil.GetAllSet(); + allFieldsData = allFields.ToByteString(); + emptyMessage = TestEmptyMessage.ParseFrom(allFieldsData); + unknownFields = emptyMessage.UnknownFields; + } + + private UnknownField GetField(String name) { + FieldDescriptor field = descriptor.FindDescriptor<FieldDescriptor>(name); + Assert.IsNotNull(field); + return unknownFields.FieldDictionary[field.FieldNumber]; + } + + /// <summary> + /// Constructs a protocol buffer which contains fields with all the same + /// numbers as allFieldsData except that each field is some other wire + /// type. + /// </summary> + private ByteString GetBizarroData() { + UnknownFieldSet.Builder bizarroFields = UnknownFieldSet.CreateBuilder(); + + UnknownField varintField = UnknownField.CreateBuilder().AddVarint(1).Build(); + UnknownField fixed32Field = UnknownField.CreateBuilder().AddFixed32(1).Build(); + + foreach (KeyValuePair<int, UnknownField> entry in unknownFields.FieldDictionary) { + if (entry.Value.VarintList.Count == 0) { + // Original field is not a varint, so use a varint. + bizarroFields.AddField(entry.Key, varintField); + } else { + // Original field *is* a varint, so use something else. + bizarroFields.AddField(entry.Key, fixed32Field); + } + } + + return bizarroFields.Build().ToByteString(); + } + + // ================================================================= + + [Test] + public void Varint() { + UnknownField field = GetField("optional_int32"); + Assert.AreEqual(1, field.VarintList.Count); + Assert.AreEqual(allFields.OptionalInt32, (long) field.VarintList[0]); + } + + [Test] + public void Fixed32() { + UnknownField field = GetField("optional_fixed32"); + Assert.AreEqual(1, field.Fixed32List.Count); + Assert.AreEqual(allFields.OptionalFixed32, (int) field.Fixed32List[0]); + } + + [Test] + public void Fixed64() { + UnknownField field = GetField("optional_fixed64"); + Assert.AreEqual(1, field.Fixed64List.Count); + Assert.AreEqual(allFields.OptionalFixed64, (long) field.Fixed64List[0]); + } + + [Test] + public void LengthDelimited() { + UnknownField field = GetField("optional_bytes"); + Assert.AreEqual(1, field.LengthDelimitedList.Count); + Assert.AreEqual(allFields.OptionalBytes, field.LengthDelimitedList[0]); + } + + [Test] + public void Group() { + FieldDescriptor nestedFieldDescriptor = + TestAllTypes.Types.OptionalGroup.Descriptor.FindDescriptor<FieldDescriptor>("a"); + Assert.IsNotNull(nestedFieldDescriptor); + + UnknownField field = GetField("optionalgroup"); + Assert.AreEqual(1, field.GroupList.Count); + + UnknownFieldSet group = field.GroupList[0]; + Assert.AreEqual(1, group.FieldDictionary.Count); + Assert.IsTrue(group.HasField(nestedFieldDescriptor.FieldNumber)); + + UnknownField nestedField = group[nestedFieldDescriptor.FieldNumber]; + Assert.AreEqual(1, nestedField.VarintList.Count); + Assert.AreEqual(allFields.OptionalGroup.A, (long) nestedField.VarintList[0]); + } + + [Test] + public void Serialize() { + // Check that serializing the UnknownFieldSet produces the original data again. + ByteString data = emptyMessage.ToByteString(); + Assert.AreEqual(allFieldsData, data); + } + + [Test] + public void CopyFrom() { + TestEmptyMessage message = + TestEmptyMessage.CreateBuilder().MergeFrom(emptyMessage).Build(); + + Assert.AreEqual(emptyMessage.ToString(), message.ToString()); + } + + [Test] + public void MergeFrom() { + TestEmptyMessage source = + TestEmptyMessage.CreateBuilder() + .SetUnknownFields( + UnknownFieldSet.CreateBuilder() + .AddField(2, + UnknownField.CreateBuilder() + .AddVarint(2).Build()) + .AddField(3, + UnknownField.CreateBuilder() + .AddVarint(4).Build()) + .Build()) + .Build(); + TestEmptyMessage destination = + TestEmptyMessage.CreateBuilder() + .SetUnknownFields( + UnknownFieldSet.CreateBuilder() + .AddField(1, + UnknownField.CreateBuilder() + .AddVarint(1).Build()) + .AddField(3, + UnknownField.CreateBuilder() + .AddVarint(3).Build()) + .Build()) + .MergeFrom(source) + .Build(); + + Assert.AreEqual( + "1: 1\n" + + "2: 2\n" + + "3: 3\n" + + "3: 4\n", + destination.ToString()); + } + + [Test] + public void Clear() { + UnknownFieldSet fields = + UnknownFieldSet.CreateBuilder().MergeFrom(unknownFields).Clear().Build(); + Assert.AreEqual(0, fields.FieldDictionary.Count); + } + + [Test] + public void ClearMessage() { + TestEmptyMessage message = + TestEmptyMessage.CreateBuilder().MergeFrom(emptyMessage).Clear().Build(); + Assert.AreEqual(0, message.SerializedSize); + } + + [Test] + public void ParseKnownAndUnknown() { + // Test mixing known and unknown fields when parsing. + + UnknownFieldSet fields = + UnknownFieldSet.CreateBuilder(unknownFields) + .AddField(123456, + UnknownField.CreateBuilder().AddVarint(654321).Build()) + .Build(); + + ByteString data = fields.ToByteString(); + TestAllTypes destination = TestAllTypes.ParseFrom(data); + + TestUtil.AssertAllFieldsSet(destination); + Assert.AreEqual(1, destination.UnknownFields.FieldDictionary.Count); + + UnknownField field = destination.UnknownFields[123456]; + Assert.AreEqual(1, field.VarintList.Count); + Assert.AreEqual(654321, (long) field.VarintList[0]); + } + + [Test] + public void WrongTypeTreatedAsUnknown() { + // Test that fields of the wrong wire type are treated like unknown fields + // when parsing. + + ByteString bizarroData = GetBizarroData(); + TestAllTypes allTypesMessage = TestAllTypes.ParseFrom(bizarroData); + TestEmptyMessage emptyMessage = TestEmptyMessage.ParseFrom(bizarroData); + + // All fields should have been interpreted as unknown, so the debug strings + // should be the same. + Assert.AreEqual(emptyMessage.ToString(), allTypesMessage.ToString()); + } + + [Test] + public void UnknownExtensions() { + // Make sure fields are properly parsed to the UnknownFieldSet even when + // they are declared as extension numbers. + + TestEmptyMessageWithExtensions message = + TestEmptyMessageWithExtensions.ParseFrom(allFieldsData); + + Assert.AreEqual(unknownFields.FieldDictionary.Count, + message.UnknownFields.FieldDictionary.Count); + Assert.AreEqual(allFieldsData, message.ToByteString()); + } + + [Test] + public void WrongExtensionTypeTreatedAsUnknown() { + // Test that fields of the wrong wire type are treated like unknown fields + // when parsing extensions. + + ByteString bizarroData = GetBizarroData(); + TestAllExtensions allExtensionsMessage = TestAllExtensions.ParseFrom(bizarroData); + TestEmptyMessage emptyMessage = TestEmptyMessage.ParseFrom(bizarroData); + + // All fields should have been interpreted as unknown, so the debug strings + // should be the same. + Assert.AreEqual(emptyMessage.ToString(), + allExtensionsMessage.ToString()); + } + + [Test] + public void ParseUnknownEnumValue() { + FieldDescriptor singularField = TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("optional_nested_enum"); + FieldDescriptor repeatedField = TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("repeated_nested_enum"); + Assert.IsNotNull(singularField); + Assert.IsNotNull(repeatedField); + + ByteString data = + UnknownFieldSet.CreateBuilder() + .AddField(singularField.FieldNumber, + UnknownField.CreateBuilder() + .AddVarint((int) TestAllTypes.Types.NestedEnum.BAR) + .AddVarint(5) // not valid + .Build()) + .AddField(repeatedField.FieldNumber, + UnknownField.CreateBuilder() + .AddVarint((int) TestAllTypes.Types.NestedEnum.FOO) + .AddVarint(4) // not valid + .AddVarint((int) TestAllTypes.Types.NestedEnum.BAZ) + .AddVarint(6) // not valid + .Build()) + .Build() + .ToByteString(); + + { + TestAllTypes message = TestAllTypes.ParseFrom(data); + Assert.AreEqual(TestAllTypes.Types.NestedEnum.BAR, + message.OptionalNestedEnum); + TestUtil.AssertEqual(new [] {TestAllTypes.Types.NestedEnum.FOO, TestAllTypes.Types.NestedEnum.BAZ}, + message.RepeatedNestedEnumList); + TestUtil.AssertEqual(new[] {5UL}, message.UnknownFields[singularField.FieldNumber].VarintList); + TestUtil.AssertEqual(new[] {4UL, 6UL}, message.UnknownFields[repeatedField.FieldNumber].VarintList); + } + + { + TestAllExtensions message = + TestAllExtensions.ParseFrom(data, TestUtil.CreateExtensionRegistry()); + Assert.AreEqual(TestAllTypes.Types.NestedEnum.BAR, + message.GetExtension(UnitTestProtoFile.OptionalNestedEnumExtension)); + TestUtil.AssertEqual(new[] { TestAllTypes.Types.NestedEnum.FOO, TestAllTypes.Types.NestedEnum.BAZ }, + message.GetExtension(UnitTestProtoFile.RepeatedNestedEnumExtension)); + TestUtil.AssertEqual(new[] { 5UL }, message.UnknownFields[singularField.FieldNumber].VarintList); + TestUtil.AssertEqual(new[] { 4UL, 6UL }, message.UnknownFields[repeatedField.FieldNumber].VarintList); + } + } + + [Test] + public void LargeVarint() { + ByteString data = + UnknownFieldSet.CreateBuilder() + .AddField(1, + UnknownField.CreateBuilder() + .AddVarint(0x7FFFFFFFFFFFFFFFL) + .Build()) + .Build() + .ToByteString(); + UnknownFieldSet parsed = UnknownFieldSet.ParseFrom(data); + UnknownField field = parsed[1]; + Assert.AreEqual(1, field.VarintList.Count); + Assert.AreEqual(0x7FFFFFFFFFFFFFFFUL, field.VarintList[0]); + } + } +} |