Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/csharp/src/Google.Protobuf.Test/Reflection/FieldAccessTest.cs

-#region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2015 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#endregion
-
-using Google.Protobuf.TestProtos;
-using NUnit.Framework;
-using System;
-using System.Collections;
-using System.Collections.Generic;
-
-namespace Google.Protobuf.Reflection
-{
-    public class FieldAccessTest
-    {
-        [Test]
-        public void GetValue()
-        {
-            var message = SampleMessages.CreateFullTestAllTypes();
-            var fields = TestAllTypes.Descriptor.Fields;
-            Assert.AreEqual(message.SingleBool, fields[TestAllTypes.SingleBoolFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleBytes, fields[TestAllTypes.SingleBytesFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleDouble, fields[TestAllTypes.SingleDoubleFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleFixed32, fields[TestAllTypes.SingleFixed32FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleFixed64, fields[TestAllTypes.SingleFixed64FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleFloat, fields[TestAllTypes.SingleFloatFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleForeignEnum, fields[TestAllTypes.SingleForeignEnumFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleForeignMessage, fields[TestAllTypes.SingleForeignMessageFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleImportEnum, fields[TestAllTypes.SingleImportEnumFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleImportMessage, fields[TestAllTypes.SingleImportMessageFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleInt32, fields[TestAllTypes.SingleInt32FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleInt64, fields[TestAllTypes.SingleInt64FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleNestedEnum, fields[TestAllTypes.SingleNestedEnumFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleNestedMessage, fields[TestAllTypes.SingleNestedMessageFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SinglePublicImportMessage, fields[TestAllTypes.SinglePublicImportMessageFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleSint32, fields[TestAllTypes.SingleSint32FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleSint64, fields[TestAllTypes.SingleSint64FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleString, fields[TestAllTypes.SingleStringFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleSfixed32, fields[TestAllTypes.SingleSfixed32FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleSfixed64, fields[TestAllTypes.SingleSfixed64FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleUint32, fields[TestAllTypes.SingleUint32FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.SingleUint64, fields[TestAllTypes.SingleUint64FieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.OneofBytes, fields[TestAllTypes.OneofBytesFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.OneofString, fields[TestAllTypes.OneofStringFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.OneofNestedMessage, fields[TestAllTypes.OneofNestedMessageFieldNumber].Accessor.GetValue(message));
-            Assert.AreEqual(message.OneofUint32, fields[TestAllTypes.OneofUint32FieldNumber].Accessor.GetValue(message));
-
-            // Just one example for repeated fields - they're all just returning the list
-            var list = (IList) fields[TestAllTypes.RepeatedInt32FieldNumber].Accessor.GetValue(message);
-            Assert.AreEqual(message.RepeatedInt32, list);
-            Assert.AreEqual(message.RepeatedInt32[0], list[0]); // Just in case there was any doubt...
-
-            // Just a single map field, for the same reason
-            var mapMessage = new TestMap { MapStringString = { { "key1", "value1" }, { "key2", "value2" } } };
-            fields = TestMap.Descriptor.Fields;
-            var dictionary = (IDictionary) fields[TestMap.MapStringStringFieldNumber].Accessor.GetValue(mapMessage);
-            Assert.AreEqual(mapMessage.MapStringString, dictionary);
-            Assert.AreEqual("value1", dictionary["key1"]);
-        }
-
-        [Test]
-        public void Clear()
-        {
-            var message = SampleMessages.CreateFullTestAllTypes();
-            var fields = TestAllTypes.Descriptor.Fields;
-            fields[TestAllTypes.SingleBoolFieldNumber].Accessor.Clear(message);
-            fields[TestAllTypes.SingleInt32FieldNumber].Accessor.Clear(message);
-            fields[TestAllTypes.SingleStringFieldNumber].Accessor.Clear(message);
-            fields[TestAllTypes.SingleBytesFieldNumber].Accessor.Clear(message);
-            fields[TestAllTypes.SingleForeignEnumFieldNumber].Accessor.Clear(message);
-            fields[TestAllTypes.SingleForeignMessageFieldNumber].Accessor.Clear(message);
-            fields[TestAllTypes.RepeatedDoubleFieldNumber].Accessor.Clear(message);
-
-            var expected = new TestAllTypes(SampleMessages.CreateFullTestAllTypes())
-            {
-                SingleBool = false,
-                SingleInt32 = 0,
-                SingleString = "",
-                SingleBytes = ByteString.Empty,
-                SingleForeignEnum = 0,
-                SingleForeignMessage = null,
-            };
-            expected.RepeatedDouble.Clear();
-
-            Assert.AreEqual(expected, message);
-
-            // Separately, maps.
-            var mapMessage = new TestMap { MapStringString = { { "key1", "value1" }, { "key2", "value2" } } };
-            fields = TestMap.Descriptor.Fields;
-            fields[TestMap.MapStringStringFieldNumber].Accessor.Clear(mapMessage);
-            Assert.AreEqual(0, mapMessage.MapStringString.Count);
-        }
-
-        [Test]
-        public void SetValue_SingleFields()
-        {
-            // Just a sample (primitives, messages, enums, strings, byte strings)
-            var message = SampleMessages.CreateFullTestAllTypes();
-            var fields = TestAllTypes.Descriptor.Fields;
-            fields[TestAllTypes.SingleBoolFieldNumber].Accessor.SetValue(message, false);
-            fields[TestAllTypes.SingleInt32FieldNumber].Accessor.SetValue(message, 500);
-            fields[TestAllTypes.SingleStringFieldNumber].Accessor.SetValue(message, "It's a string");
-            fields[TestAllTypes.SingleBytesFieldNumber].Accessor.SetValue(message, ByteString.CopyFrom(99, 98, 97));
-            fields[TestAllTypes.SingleForeignEnumFieldNumber].Accessor.SetValue(message, ForeignEnum.FOREIGN_FOO);
-            fields[TestAllTypes.SingleForeignMessageFieldNumber].Accessor.SetValue(message, new ForeignMessage { C = 12345 });
-            fields[TestAllTypes.SingleDoubleFieldNumber].Accessor.SetValue(message, 20150701.5);
-
-            var expected = new TestAllTypes(SampleMessages.CreateFullTestAllTypes())
-            {
-                SingleBool = false,
-                SingleInt32 = 500,
-                SingleString = "It's a string",
-                SingleBytes = ByteString.CopyFrom(99, 98, 97),
-                SingleForeignEnum = ForeignEnum.FOREIGN_FOO,
-                SingleForeignMessage = new ForeignMessage { C = 12345 },
-                SingleDouble = 20150701.5
-            };
-
-            Assert.AreEqual(expected, message);
-        }
-
-        [Test]
-        public void SetValue_SingleFields_WrongType()
-        {
-            IMessage message = SampleMessages.CreateFullTestAllTypes();
-            var fields = message.Descriptor.Fields;
-            Assert.Throws<InvalidCastException>(() => fields[TestAllTypes.SingleBoolFieldNumber].Accessor.SetValue(message, "This isn't a bool"));
-        }
-
-        [Test]
-        public void SetValue_MapFields()
-        {
-            IMessage message = new TestMap();
-            var fields = message.Descriptor.Fields;
-            Assert.Throws<InvalidOperationException>(() => fields[TestMap.MapStringStringFieldNumber].Accessor.SetValue(message, new Dictionary<string, string>()));
-        }
-
-        [Test]
-        public void SetValue_RepeatedFields()
-        {
-            IMessage message = SampleMessages.CreateFullTestAllTypes();
-            var fields = message.Descriptor.Fields;
-            Assert.Throws<InvalidOperationException>(() => fields[TestAllTypes.RepeatedDoubleFieldNumber].Accessor.SetValue(message, new double[10]));
-        }
-
-        [Test]
-        public void GetValue_IncorrectType()
-        {
-            IMessage message = SampleMessages.CreateFullTestAllTypes();
-            var fields = message.Descriptor.Fields;
-            Assert.Throws<InvalidCastException>(() => fields[TestAllTypes.SingleBoolFieldNumber].Accessor.GetValue(new TestMap()));
-        }
-
-        [Test]
-        public void Oneof()
-        {
-            var message = new TestAllTypes();
-            var descriptor = TestAllTypes.Descriptor;
-            Assert.AreEqual(1, descriptor.Oneofs.Count);
-            var oneof = descriptor.Oneofs[0];
-            Assert.AreEqual("oneof_field", oneof.Name);
-            Assert.IsNull(oneof.Accessor.GetCaseFieldDescriptor(message));
-
-            message.OneofString = "foo";
-            Assert.AreSame(descriptor.Fields[TestAllTypes.OneofStringFieldNumber], oneof.Accessor.GetCaseFieldDescriptor(message));
-
-            message.OneofUint32 = 10;
-            Assert.AreSame(descriptor.Fields[TestAllTypes.OneofUint32FieldNumber], oneof.Accessor.GetCaseFieldDescriptor(message));
-
-            oneof.Accessor.Clear(message);
-            Assert.AreEqual(TestAllTypes.OneofFieldOneofCase.None, message.OneofFieldCase);
-        }
-
-        [Test]
-        public void FieldDescriptor_ByName()
-        {
-            var descriptor = TestAllTypes.Descriptor;
-            Assert.AreSame(
-                descriptor.Fields[TestAllTypes.SingleBoolFieldNumber],
-                descriptor.Fields["single_bool"]);
-        }
-
-        [Test]
-        public void FieldDescriptor_NotFound()
-        {
-            var descriptor = TestAllTypes.Descriptor;
-            Assert.Throws<KeyNotFoundException>(() => descriptor.Fields[999999].ToString());
-            Assert.Throws<KeyNotFoundException>(() => descriptor.Fields["not found"].ToString());
-        }        
-    }
-}