DynamicMessageTest.cs 9.74 KB
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#region Copyright notice and license

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// http://github.com/jskeet/dotnet-protobufs/
// Original C++/Java/Python code:
// http://code.google.com/p/protobuf/
//
// 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 System;
using System.Collections.Generic;
using Google.ProtocolBuffers.TestProtos;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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namespace Google.ProtocolBuffers
{
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    [TestClass]
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    public class DynamicMessageTest
    {
        private ReflectionTester reflectionTester;
        private ReflectionTester extensionsReflectionTester;
        private ReflectionTester packedReflectionTester;

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        [TestInitialize]
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        public void SetUp()
        {
            reflectionTester = ReflectionTester.CreateTestAllTypesInstance();
            extensionsReflectionTester = ReflectionTester.CreateTestAllExtensionsInstance();
            packedReflectionTester = ReflectionTester.CreateTestPackedTypesInstance();
        }

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        [TestMethod]
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        public void DynamicMessageAccessors()
        {
            IBuilder builder = DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            reflectionTester.SetAllFieldsViaReflection(builder);
            IMessage message = builder.WeakBuild();
            reflectionTester.AssertAllFieldsSetViaReflection(message);
        }

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        [TestMethod]
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        public void DoubleBuildError()
        {
            DynamicMessage.Builder builder = DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            builder.Build();
            try
            {
                builder.Build();
                Assert.Fail("Should have thrown exception.");
            }
            catch (InvalidOperationException)
            {
                // Success.
            }
        }

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        [TestMethod]
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        public void DynamicMessageSettersRejectNull()
        {
            IBuilder builder = DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            reflectionTester.AssertReflectionSettersRejectNull(builder);
        }

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        [TestMethod]
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        public void DynamicMessageExtensionAccessors()
        {
            // We don't need to extensively test DynamicMessage's handling of
            // extensions because, frankly, it doesn't do anything special with them.
            // It treats them just like any other fields.
            IBuilder builder = DynamicMessage.CreateBuilder(TestAllExtensions.Descriptor);
            extensionsReflectionTester.SetAllFieldsViaReflection(builder);
            IMessage message = builder.WeakBuild();
            extensionsReflectionTester.AssertAllFieldsSetViaReflection(message);
        }

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        [TestMethod]
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        public void DynamicMessageExtensionSettersRejectNull()
        {
            IBuilder builder = DynamicMessage.CreateBuilder(TestAllExtensions.Descriptor);
            extensionsReflectionTester.AssertReflectionSettersRejectNull(builder);
        }

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        [TestMethod]
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        public void DynamicMessageRepeatedSetters()
        {
            IBuilder builder = DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            reflectionTester.SetAllFieldsViaReflection(builder);
            reflectionTester.ModifyRepeatedFieldsViaReflection(builder);
            IMessage message = builder.WeakBuild();
            reflectionTester.AssertRepeatedFieldsModifiedViaReflection(message);
        }

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        [TestMethod]
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        public void DynamicMessageRepeatedSettersRejectNull()
        {
            IBuilder builder = DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            reflectionTester.AssertReflectionRepeatedSettersRejectNull(builder);
        }

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        [TestMethod]
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        public void DynamicMessageDefaults()
        {
            reflectionTester.AssertClearViaReflection(DynamicMessage.GetDefaultInstance(TestAllTypes.Descriptor));
            reflectionTester.AssertClearViaReflection(DynamicMessage.CreateBuilder(TestAllTypes.Descriptor).Build());
        }

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        [TestMethod]
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        public void DynamicMessageSerializedSize()
        {
            TestAllTypes message = TestUtil.GetAllSet();

            IBuilder dynamicBuilder = DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            reflectionTester.SetAllFieldsViaReflection(dynamicBuilder);
            IMessage dynamicMessage = dynamicBuilder.WeakBuild();

            Assert.AreEqual(message.SerializedSize, dynamicMessage.SerializedSize);
        }

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        [TestMethod]
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        public void DynamicMessageSerialization()
        {
            IBuilder builder = DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            reflectionTester.SetAllFieldsViaReflection(builder);
            IMessage message = builder.WeakBuild();

            ByteString rawBytes = message.ToByteString();
            TestAllTypes message2 = TestAllTypes.ParseFrom(rawBytes);

            TestUtil.AssertAllFieldsSet(message2);

            // In fact, the serialized forms should be exactly the same, byte-for-byte.
            Assert.AreEqual(TestUtil.GetAllSet().ToByteString(), rawBytes);
        }

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        [TestMethod]
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        public void DynamicMessageParsing()
        {
            TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
            TestUtil.SetAllFields(builder);
            TestAllTypes message = builder.Build();

            ByteString rawBytes = message.ToByteString();

            IMessage message2 = DynamicMessage.ParseFrom(TestAllTypes.Descriptor, rawBytes);
            reflectionTester.AssertAllFieldsSetViaReflection(message2);
        }

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        [TestMethod]
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        public void DynamicMessagePackedSerialization()
        {
            IBuilder builder = DynamicMessage.CreateBuilder(TestPackedTypes.Descriptor);
            packedReflectionTester.SetPackedFieldsViaReflection(builder);
            IMessage message = builder.WeakBuild();

            ByteString rawBytes = message.ToByteString();
            TestPackedTypes message2 = TestPackedTypes.ParseFrom(rawBytes);

            TestUtil.AssertPackedFieldsSet(message2);

            // In fact, the serialized forms should be exactly the same, byte-for-byte.
            Assert.AreEqual(TestUtil.GetPackedSet().ToByteString(), rawBytes);
        }

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        [TestMethod]
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        public void testDynamicMessagePackedParsing()
        {
            TestPackedTypes.Builder builder = TestPackedTypes.CreateBuilder();
            TestUtil.SetPackedFields(builder);
            TestPackedTypes message = builder.Build();

            ByteString rawBytes = message.ToByteString();

            IMessage message2 = DynamicMessage.ParseFrom(TestPackedTypes.Descriptor, rawBytes);
            packedReflectionTester.AssertPackedFieldsSetViaReflection(message2);
        }

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        [TestMethod]
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        public void DynamicMessageCopy()
        {
            TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
            TestUtil.SetAllFields(builder);
            TestAllTypes message = builder.Build();

            DynamicMessage copy = DynamicMessage.CreateBuilder(message).Build();
            reflectionTester.AssertAllFieldsSetViaReflection(copy);
        }

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        [TestMethod]
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        public void ToBuilder()
        {
            DynamicMessage.Builder builder =
                DynamicMessage.CreateBuilder(TestAllTypes.Descriptor);
            reflectionTester.SetAllFieldsViaReflection(builder);
            int unknownFieldNum = 9;
            ulong unknownFieldVal = 90;
            builder.SetUnknownFields(UnknownFieldSet.CreateBuilder()
                                         .AddField(unknownFieldNum,
                                                   UnknownField.CreateBuilder().AddVarint(unknownFieldVal).Build())
                                         .Build());
            DynamicMessage message = builder.Build();

            DynamicMessage derived = message.ToBuilder().Build();
            reflectionTester.AssertAllFieldsSetViaReflection(derived);

            IList<ulong> values = derived.UnknownFields.FieldDictionary[unknownFieldNum].VarintList;
            Assert.AreEqual(1, values.Count);
            Assert.AreEqual(unknownFieldVal, values[0]);
        }
    }
}