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