540 lines
25 KiB
C#
540 lines
25 KiB
C#
#region Copyright notice and license
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#endregion
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using Google.Protobuf.TestProtos;
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using LegacyFeaturesUnittest;
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using NUnit.Framework;
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using ProtobufUnittest;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnitTest.Issues.TestProtos;
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using static Google.Protobuf.Reflection.FeatureSet.Types;
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using proto2 = Google.Protobuf.TestProtos.Proto2;
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namespace Google.Protobuf.Reflection
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{
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/// <summary>
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/// Tests for descriptors. (Not in its own namespace or broken up into individual classes as the
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/// size doesn't warrant it. On the other hand, this makes me feel a bit dirty...)
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/// </summary>
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public class DescriptorsTest
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{
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[Test]
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public void FileDescriptor_GeneratedCode()
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{
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TestFileDescriptor(
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UnittestProto3Reflection.Descriptor,
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UnittestImportProto3Reflection.Descriptor,
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UnittestImportPublicProto3Reflection.Descriptor);
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}
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[Test]
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public void FileDescriptor_BuildFromByteStrings()
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{
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// The descriptors have to be supplied in an order such that all the
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// dependencies come before the descriptors depending on them.
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var descriptorData = new List<ByteString>
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{
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UnittestImportPublicProto3Reflection.Descriptor.SerializedData,
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UnittestImportProto3Reflection.Descriptor.SerializedData,
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UnittestProto3Reflection.Descriptor.SerializedData
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};
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var converted = FileDescriptor.BuildFromByteStrings(descriptorData);
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Assert.AreEqual(3, converted.Count);
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TestFileDescriptor(converted[2], converted[1], converted[0]);
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}
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[Test]
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public void FileDescriptor_BuildFromByteStrings_WithExtensionRegistry()
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{
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var extension = UnittestCustomOptionsProto3Extensions.MessageOpt1;
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var byteStrings = new[]
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{
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DescriptorReflection.Descriptor.Proto.ToByteString(),
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UnittestCustomOptionsProto3Reflection.Descriptor.Proto.ToByteString()
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};
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var registry = new ExtensionRegistry { extension };
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var descriptor = FileDescriptor.BuildFromByteStrings(byteStrings, registry).Last();
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var message = descriptor.MessageTypes.Single(t => t.Name == nameof(TestMessageWithCustomOptions));
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var extensionValue = message.GetOptions().GetExtension(extension);
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Assert.AreEqual(-56, extensionValue);
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}
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private void TestFileDescriptor(FileDescriptor file, FileDescriptor importedFile, FileDescriptor importedPublicFile)
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{
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Assert.AreEqual("csharp/protos/unittest_proto3.proto", file.Name);
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Assert.AreEqual("protobuf_unittest3", file.Package);
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Assert.AreEqual("UnittestProto", file.Proto.Options.JavaOuterClassname);
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Assert.AreEqual("csharp/protos/unittest_proto3.proto", file.Proto.Name);
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// unittest_proto3.proto doesn't have any public imports, but unittest_import_proto3.proto does.
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Assert.AreEqual(0, file.PublicDependencies.Count);
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Assert.AreEqual(1, importedFile.PublicDependencies.Count);
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Assert.AreEqual(importedPublicFile, importedFile.PublicDependencies[0]);
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Assert.AreEqual(1, file.Dependencies.Count);
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Assert.AreEqual(importedFile, file.Dependencies[0]);
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Assert.Null(file.FindTypeByName<MessageDescriptor>("NoSuchType"));
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Assert.Null(file.FindTypeByName<MessageDescriptor>("protobuf_unittest3.TestAllTypes"));
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for (int i = 0; i < file.MessageTypes.Count; i++)
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{
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Assert.AreEqual(i, file.MessageTypes[i].Index);
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}
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Assert.AreEqual(file.EnumTypes[0], file.FindTypeByName<EnumDescriptor>("ForeignEnum"));
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Assert.Null(file.FindTypeByName<EnumDescriptor>("NoSuchType"));
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Assert.Null(file.FindTypeByName<EnumDescriptor>("protobuf_unittest3.ForeignEnum"));
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Assert.AreEqual(1, importedFile.EnumTypes.Count);
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Assert.AreEqual("ImportEnum", importedFile.EnumTypes[0].Name);
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for (int i = 0; i < file.EnumTypes.Count; i++)
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{
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Assert.AreEqual(i, file.EnumTypes[i].Index);
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}
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Assert.AreEqual(10, file.SerializedData[0]);
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TestDescriptorToProto(file.ToProto, file.Proto);
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}
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[Test]
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public void FileDescriptor_BuildFromByteStrings_MissingDependency()
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{
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var descriptorData = new List<ByteString>
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{
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UnittestImportProto3Reflection.Descriptor.SerializedData,
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UnittestProto3Reflection.Descriptor.SerializedData,
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};
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// This will fail, because we're missing UnittestImportPublicProto3Reflection
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Assert.Throws<ArgumentException>(() => FileDescriptor.BuildFromByteStrings(descriptorData));
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}
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[Test]
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public void FileDescriptor_BuildFromByteStrings_DuplicateNames()
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{
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var descriptorData = new List<ByteString>
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{
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UnittestImportPublicProto3Reflection.Descriptor.SerializedData,
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UnittestImportPublicProto3Reflection.Descriptor.SerializedData,
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};
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// This will fail due to the same name being used twice
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Assert.Throws<ArgumentException>(() => FileDescriptor.BuildFromByteStrings(descriptorData));
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}
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[Test]
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public void FileDescriptor_BuildFromByteStrings_IncorrectOrder()
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{
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var descriptorData = new List<ByteString>
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{
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UnittestProto3Reflection.Descriptor.SerializedData,
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UnittestImportPublicProto3Reflection.Descriptor.SerializedData,
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UnittestImportProto3Reflection.Descriptor.SerializedData
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};
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// This will fail, because the dependencies should come first
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Assert.Throws<ArgumentException>(() => FileDescriptor.BuildFromByteStrings(descriptorData));
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}
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[Test]
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public void MessageDescriptorFromGeneratedCodeFileDescriptor()
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{
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var file = UnittestProto3Reflection.Descriptor;
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MessageDescriptor messageType = TestAllTypes.Descriptor;
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Assert.AreSame(typeof(TestAllTypes), messageType.ClrType);
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Assert.AreSame(TestAllTypes.Parser, messageType.Parser);
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Assert.AreEqual(messageType, file.MessageTypes[0]);
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Assert.AreEqual(messageType, file.FindTypeByName<MessageDescriptor>("TestAllTypes"));
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}
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[Test]
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public void MessageDescriptor()
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{
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MessageDescriptor messageType = TestAllTypes.Descriptor;
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MessageDescriptor nestedType = TestAllTypes.Types.NestedMessage.Descriptor;
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Assert.AreEqual("TestAllTypes", messageType.Name);
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Assert.AreEqual("protobuf_unittest3.TestAllTypes", messageType.FullName);
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Assert.AreEqual(UnittestProto3Reflection.Descriptor, messageType.File);
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Assert.IsNull(messageType.ContainingType);
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Assert.IsNull(messageType.Proto.Options);
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Assert.AreEqual("TestAllTypes", messageType.Name);
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Assert.AreEqual("NestedMessage", nestedType.Name);
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Assert.AreEqual("protobuf_unittest3.TestAllTypes.NestedMessage", nestedType.FullName);
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Assert.AreEqual(UnittestProto3Reflection.Descriptor, nestedType.File);
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Assert.AreEqual(messageType, nestedType.ContainingType);
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FieldDescriptor field = messageType.Fields.InDeclarationOrder()[0];
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Assert.AreEqual("single_int32", field.Name);
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Assert.AreEqual(field, messageType.FindDescriptor<FieldDescriptor>("single_int32"));
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Assert.Null(messageType.FindDescriptor<FieldDescriptor>("no_such_field"));
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Assert.AreEqual(field, messageType.FindFieldByNumber(1));
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Assert.Null(messageType.FindFieldByNumber(571283));
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var fieldsInDeclarationOrder = messageType.Fields.InDeclarationOrder();
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for (int i = 0; i < fieldsInDeclarationOrder.Count; i++)
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{
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Assert.AreEqual(i, fieldsInDeclarationOrder[i].Index);
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}
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Assert.AreEqual(nestedType, messageType.NestedTypes[0]);
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Assert.AreEqual(nestedType, messageType.FindDescriptor<MessageDescriptor>("NestedMessage"));
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Assert.Null(messageType.FindDescriptor<MessageDescriptor>("NoSuchType"));
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for (int i = 0; i < messageType.NestedTypes.Count; i++)
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{
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Assert.AreEqual(i, messageType.NestedTypes[i].Index);
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}
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Assert.AreEqual(messageType.EnumTypes[0], messageType.FindDescriptor<EnumDescriptor>("NestedEnum"));
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Assert.Null(messageType.FindDescriptor<EnumDescriptor>("NoSuchType"));
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for (int i = 0; i < messageType.EnumTypes.Count; i++)
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{
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Assert.AreEqual(i, messageType.EnumTypes[i].Index);
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}
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TestDescriptorToProto(messageType.ToProto, messageType.Proto);
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}
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[Test]
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public void MessageDescriptor_IsMapEntry()
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{
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var testMapMessage = TestMap.Descriptor;
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Assert.False(testMapMessage.IsMapEntry);
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Assert.True(testMapMessage.Fields[1].MessageType.IsMapEntry);
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}
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[Test]
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public void FieldDescriptor_GeneratedCode()
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{
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TestFieldDescriptor(UnittestProto3Reflection.Descriptor, TestAllTypes.Descriptor, ForeignMessage.Descriptor, ImportMessage.Descriptor);
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}
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[Test]
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public void FieldDescriptor_BuildFromByteStrings()
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{
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// The descriptors have to be supplied in an order such that all the
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// dependencies come before the descriptors depending on them.
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var descriptorData = new List<ByteString>
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{
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UnittestImportPublicProto3Reflection.Descriptor.SerializedData,
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UnittestImportProto3Reflection.Descriptor.SerializedData,
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UnittestProto3Reflection.Descriptor.SerializedData
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};
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var converted = FileDescriptor.BuildFromByteStrings(descriptorData);
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TestFieldDescriptor(
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converted[2],
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converted[2].FindTypeByName<MessageDescriptor>("TestAllTypes"),
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converted[2].FindTypeByName<MessageDescriptor>("ForeignMessage"),
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converted[1].FindTypeByName<MessageDescriptor>("ImportMessage"));
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}
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public void TestFieldDescriptor(
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FileDescriptor unitTestProto3Descriptor,
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MessageDescriptor testAllTypesDescriptor,
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MessageDescriptor foreignMessageDescriptor,
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MessageDescriptor importMessageDescriptor)
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{
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FieldDescriptor primitiveField = testAllTypesDescriptor.FindDescriptor<FieldDescriptor>("single_int32");
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FieldDescriptor enumField = testAllTypesDescriptor.FindDescriptor<FieldDescriptor>("single_nested_enum");
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FieldDescriptor foreignMessageField = testAllTypesDescriptor.FindDescriptor<FieldDescriptor>("single_foreign_message");
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FieldDescriptor importMessageField = testAllTypesDescriptor.FindDescriptor<FieldDescriptor>("single_import_message");
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FieldDescriptor fieldInOneof = testAllTypesDescriptor.FindDescriptor<FieldDescriptor>("oneof_string");
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Assert.AreEqual("single_int32", primitiveField.Name);
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Assert.AreEqual("protobuf_unittest3.TestAllTypes.single_int32",
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primitiveField.FullName);
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Assert.AreEqual(1, primitiveField.FieldNumber);
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Assert.AreEqual(testAllTypesDescriptor, primitiveField.ContainingType);
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Assert.AreEqual(unitTestProto3Descriptor, primitiveField.File);
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Assert.AreEqual(FieldType.Int32, primitiveField.FieldType);
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Assert.IsNull(primitiveField.Proto.Options);
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Assert.AreEqual("single_nested_enum", enumField.Name);
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Assert.AreEqual(FieldType.Enum, enumField.FieldType);
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Assert.AreEqual(testAllTypesDescriptor.EnumTypes[0], enumField.EnumType);
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Assert.AreEqual("single_foreign_message", foreignMessageField.Name);
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Assert.AreEqual(FieldType.Message, foreignMessageField.FieldType);
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Assert.AreEqual(foreignMessageDescriptor, foreignMessageField.MessageType);
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Assert.AreEqual("single_import_message", importMessageField.Name);
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Assert.AreEqual(FieldType.Message, importMessageField.FieldType);
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Assert.AreEqual(importMessageDescriptor, importMessageField.MessageType);
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// For a field in a regular onoef, ContainingOneof and RealContainingOneof should be the same.
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Assert.AreEqual("oneof_field", fieldInOneof.ContainingOneof.Name);
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Assert.AreSame(fieldInOneof.ContainingOneof, fieldInOneof.RealContainingOneof);
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TestDescriptorToProto(primitiveField.ToProto, primitiveField.Proto);
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TestDescriptorToProto(enumField.ToProto, enumField.Proto);
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TestDescriptorToProto(foreignMessageField.ToProto, foreignMessageField.Proto);
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TestDescriptorToProto(fieldInOneof.ToProto, fieldInOneof.Proto);
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}
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[Test]
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public void FieldDescriptorLabel()
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{
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FieldDescriptor singleField =
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TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("single_int32");
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FieldDescriptor repeatedField =
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TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("repeated_int32");
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Assert.IsFalse(singleField.IsRepeated);
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Assert.IsTrue(repeatedField.IsRepeated);
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}
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[Test]
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public void EnumDescriptor()
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{
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// Note: this test is a bit different to the Java version because there's no static way of getting to the descriptor
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EnumDescriptor enumType = UnittestProto3Reflection.Descriptor.FindTypeByName<EnumDescriptor>("ForeignEnum");
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EnumDescriptor nestedType = TestAllTypes.Descriptor.FindDescriptor<EnumDescriptor>("NestedEnum");
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Assert.AreEqual("ForeignEnum", enumType.Name);
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Assert.AreEqual("protobuf_unittest3.ForeignEnum", enumType.FullName);
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Assert.AreEqual(UnittestProto3Reflection.Descriptor, enumType.File);
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Assert.Null(enumType.ContainingType);
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Assert.Null(enumType.Proto.Options);
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Assert.AreEqual("NestedEnum", nestedType.Name);
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Assert.AreEqual("protobuf_unittest3.TestAllTypes.NestedEnum",
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nestedType.FullName);
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Assert.AreEqual(UnittestProto3Reflection.Descriptor, nestedType.File);
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Assert.AreEqual(TestAllTypes.Descriptor, nestedType.ContainingType);
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EnumValueDescriptor value = enumType.FindValueByName("FOREIGN_FOO");
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Assert.AreEqual(value, enumType.Values[1]);
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Assert.AreEqual("FOREIGN_FOO", value.Name);
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Assert.AreEqual(4, value.Number);
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Assert.AreEqual((int) ForeignEnum.ForeignFoo, value.Number);
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Assert.AreEqual(value, enumType.FindValueByNumber(4));
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Assert.Null(enumType.FindValueByName("NO_SUCH_VALUE"));
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for (int i = 0; i < enumType.Values.Count; i++)
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{
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Assert.AreEqual(i, enumType.Values[i].Index);
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}
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TestDescriptorToProto(enumType.ToProto, enumType.Proto);
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TestDescriptorToProto(nestedType.ToProto, nestedType.Proto);
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}
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[Test]
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public void OneofDescriptor()
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{
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OneofDescriptor descriptor = TestAllTypes.Descriptor.FindDescriptor<OneofDescriptor>("oneof_field");
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Assert.IsFalse(descriptor.IsSynthetic);
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Assert.AreEqual("oneof_field", descriptor.Name);
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Assert.AreEqual("protobuf_unittest3.TestAllTypes.oneof_field", descriptor.FullName);
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var expectedFields = new[] {
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TestAllTypes.OneofBytesFieldNumber,
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TestAllTypes.OneofNestedMessageFieldNumber,
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TestAllTypes.OneofStringFieldNumber,
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TestAllTypes.OneofUint32FieldNumber }
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.Select(fieldNumber => TestAllTypes.Descriptor.FindFieldByNumber(fieldNumber))
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.ToList();
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foreach (var field in expectedFields)
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{
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Assert.AreSame(descriptor, field.ContainingOneof);
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}
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CollectionAssert.AreEquivalent(expectedFields, descriptor.Fields);
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TestDescriptorToProto(descriptor.ToProto, descriptor.Proto);
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}
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[Test]
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public void MapEntryMessageDescriptor()
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{
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var descriptor = MapWellKnownTypes.Descriptor.NestedTypes[0];
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Assert.IsNull(descriptor.Parser);
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Assert.IsNull(descriptor.ClrType);
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Assert.IsNull(descriptor.Fields[1].Accessor);
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TestDescriptorToProto(descriptor.ToProto, descriptor.Proto);
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}
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// From TestFieldOrdering:
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// string my_string = 11;
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// int64 my_int = 1;
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// float my_float = 101;
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// NestedMessage single_nested_message = 200;
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[Test]
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public void FieldListOrderings()
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{
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var fields = TestFieldOrderings.Descriptor.Fields;
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Assert.AreEqual(new[] { 11, 1, 101, 200 }, fields.InDeclarationOrder().Select(x => x.FieldNumber));
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Assert.AreEqual(new[] { 1, 11, 101, 200 }, fields.InFieldNumberOrder().Select(x => x.FieldNumber));
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}
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[Test]
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public void DescriptorProtoFileDescriptor()
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{
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var descriptor = Google.Protobuf.Reflection.FileDescriptor.DescriptorProtoFileDescriptor;
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Assert.AreEqual("google/protobuf/descriptor.proto", descriptor.Name);
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TestDescriptorToProto(descriptor.ToProto, descriptor.Proto);
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}
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[Test]
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public void DescriptorImportingExtensionsFromOldCodeGen()
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{
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if (MethodOptions.Descriptor.FullName != "google.protobuf.MethodOptions")
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{
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Assert.Ignore("Embedded descriptor for OldExtensions expects google.protobuf reflection package.");
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}
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// The extension collection includes a null extension. There's not a lot we can do about that
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// in itself, as the old generator didn't provide us the extension information.
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var extensions = TestProtos.OldGenerator.OldExtensions2Reflection.Descriptor.Extensions;
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Assert.AreEqual(1, extensions.UnorderedExtensions.Count);
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// Note: this assertion is present so that it will fail if OldExtensions2 is regenerated
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// with a new generator.
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Assert.Null(extensions.UnorderedExtensions[0].Extension);
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// ... but we can make sure we at least don't cause a failure when retrieving descriptors.
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// In particular, old_extensions1.proto imports old_extensions2.proto, and this used to cause
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// an execution-time failure.
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var importingDescriptor = TestProtos.OldGenerator.OldExtensions1Reflection.Descriptor;
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Assert.NotNull(importingDescriptor);
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}
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[Test]
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public void Proto3OptionalDescriptors()
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{
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var descriptor = TestProto3Optional.Descriptor;
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var field = descriptor.Fields[TestProto3Optional.OptionalInt32FieldNumber];
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Assert.NotNull(field.ContainingOneof);
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Assert.IsTrue(field.ContainingOneof.IsSynthetic);
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Assert.Null(field.RealContainingOneof);
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}
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[Test]
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public void SyntheticOneofReflection()
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{
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// Expect every oneof in TestProto3Optional to be synthetic
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var proto3OptionalDescriptor = TestProto3Optional.Descriptor;
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Assert.AreEqual(0, proto3OptionalDescriptor.RealOneofCount);
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foreach (var oneof in proto3OptionalDescriptor.Oneofs)
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{
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Assert.True(oneof.IsSynthetic);
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}
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// Expect no oneof in the original proto3 unit test file to be synthetic.
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// (This excludes oneofs with "lazy" in the name, due to internal differences.)
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foreach (var descriptor in ProtobufTestMessages.Proto3.TestMessagesProto3Reflection.Descriptor.MessageTypes)
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{
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var nonLazyOneofs = descriptor.Oneofs.Where(d => !d.Name.Contains("lazy")).ToList();
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Assert.AreEqual(nonLazyOneofs.Count, descriptor.RealOneofCount);
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foreach (var oneof in nonLazyOneofs)
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{
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Assert.False(oneof.IsSynthetic);
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}
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}
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// Expect no oneof in the original proto2 unit test file to be synthetic.
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foreach (var descriptor in ProtobufTestMessages.Proto2.TestMessagesProto2Reflection.Descriptor.MessageTypes)
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{
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Assert.AreEqual(descriptor.Oneofs.Count, descriptor.RealOneofCount);
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foreach (var oneof in descriptor.Oneofs)
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{
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Assert.False(oneof.IsSynthetic);
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}
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}
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}
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[Test]
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public void OptionRetention()
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{
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var proto = UnittestRetentionReflection.Descriptor.Proto;
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Assert.AreEqual(1, proto.Options.GetExtension(
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UnittestRetentionExtensions.PlainOption));
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Assert.AreEqual(2, proto.Options.GetExtension(
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UnittestRetentionExtensions.RuntimeRetentionOption));
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// This option has a value of 3 in the .proto file, but we expect it
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// to be zeroed out in the generated descriptor since it has source
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// retention.
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Assert.AreEqual(0, proto.Options.GetExtension(
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UnittestRetentionExtensions.SourceRetentionOption));
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}
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[Test]
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public void GetOptionsStripsFeatures()
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{
|
|
var messageDescriptor = TestEditionsMessage.Descriptor;
|
|
var fieldDescriptor = messageDescriptor.FindFieldByName("required_field");
|
|
// Note: ideally we'd test GetOptions() for other descriptor types as well, but that requires
|
|
// non-fields with features applied.
|
|
Assert.Null(fieldDescriptor.GetOptions().Features);
|
|
}
|
|
|
|
[Test]
|
|
public void LegacyRequiredTransform()
|
|
{
|
|
var messageDescriptor = TestEditionsMessage.Descriptor;
|
|
var fieldDescriptor = messageDescriptor.FindFieldByName("required_field");
|
|
Assert.True(fieldDescriptor.IsRequired);
|
|
}
|
|
|
|
[Test]
|
|
public void LegacyGroupTransform()
|
|
{
|
|
var messageDescriptor = TestEditionsMessage.Descriptor;
|
|
var fieldDescriptor = messageDescriptor.FindFieldByName("delimited_field");
|
|
Assert.AreEqual(FieldType.Group, fieldDescriptor.FieldType);
|
|
}
|
|
|
|
[Test]
|
|
public void LegacyInferRequired()
|
|
{
|
|
var messageDescriptor = proto2::TestRequired.Descriptor;
|
|
var fieldDescriptor = messageDescriptor.FindFieldByName("a");
|
|
Assert.AreEqual(FieldPresence.LegacyRequired, fieldDescriptor.Features.FieldPresence);
|
|
}
|
|
|
|
[Test]
|
|
public void LegacyInferGroup()
|
|
{
|
|
var messageDescriptor = proto2::TestAllTypes.Descriptor;
|
|
var fieldDescriptor = messageDescriptor.FindFieldByName("optionalgroup");
|
|
Assert.AreEqual(MessageEncoding.Delimited, fieldDescriptor.Features.MessageEncoding);
|
|
}
|
|
|
|
[Test]
|
|
public void LegacyInferProto2Packed()
|
|
{
|
|
var messageDescriptor = proto2::TestPackedTypes.Descriptor;
|
|
var fieldDescriptor = messageDescriptor.FindFieldByName("packed_int32");
|
|
Assert.AreEqual(RepeatedFieldEncoding.Packed, fieldDescriptor.Features.RepeatedFieldEncoding);
|
|
}
|
|
|
|
[Test]
|
|
public void LegacyInferProto3Expanded()
|
|
{
|
|
var messageDescriptor = TestUnpackedTypes.Descriptor;
|
|
var fieldDescriptor = messageDescriptor.FindFieldByName("unpacked_int32");
|
|
Assert.NotNull(fieldDescriptor);
|
|
Assert.AreEqual(RepeatedFieldEncoding.Expanded, fieldDescriptor.Features.RepeatedFieldEncoding);
|
|
}
|
|
|
|
private static void TestDescriptorToProto(Func<IMessage> toProtoFunction, IMessage expectedProto)
|
|
{
|
|
var clone1 = toProtoFunction();
|
|
var clone2 = toProtoFunction();
|
|
Assert.AreNotSame(clone1, clone2);
|
|
Assert.AreNotSame(clone1, expectedProto);
|
|
Assert.AreNotSame(clone2, expectedProto);
|
|
|
|
Assert.AreEqual(clone1, clone2);
|
|
Assert.AreEqual(clone1, expectedProto);
|
|
}
|
|
}
|
|
}
|