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Diffstat (limited to 'csharp/src/Google.Protobuf.Test/UnknownFieldSetTest.cs')
| -rw-r--r-- | csharp/src/Google.Protobuf.Test/UnknownFieldSetTest.cs | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf.Test/UnknownFieldSetTest.cs b/csharp/src/Google.Protobuf.Test/UnknownFieldSetTest.cs new file mode 100644 index 00000000..ddf62321 --- /dev/null +++ b/csharp/src/Google.Protobuf.Test/UnknownFieldSetTest.cs @@ -0,0 +1,176 @@ +#region Copyright notice and license +// Protocol Buffers - Google's data interchange format +// Copyright 2008 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 System; +using System.IO; +using Google.Protobuf.TestProtos; +using NUnit.Framework; + +namespace Google.Protobuf +{ + public class UnknownFieldSetTest + { + [Test] + public void EmptyUnknownFieldSet() + { + UnknownFieldSet unknownFields = new UnknownFieldSet(); + Assert.AreEqual(0, unknownFields.CalculateSize()); + } + + [Test] + public void MergeUnknownFieldSet() + { + UnknownFieldSet unknownFields = new UnknownFieldSet(); + UnknownField field = new UnknownField(); + field.AddFixed32(123); + unknownFields.AddOrReplaceField(1, field); + UnknownFieldSet otherUnknownFields = new UnknownFieldSet(); + Assert.IsFalse(otherUnknownFields.HasField(1)); + UnknownFieldSet.MergeFrom(otherUnknownFields, unknownFields); + Assert.IsTrue(otherUnknownFields.HasField(1)); + } + + [Test] + public void TestMergeCodedInput() + { + var message = SampleMessages.CreateFullTestAllTypes(); + var emptyMessage = new TestEmptyMessage(); + emptyMessage.MergeFrom(message.ToByteArray()); + Assert.AreEqual(message.CalculateSize(), emptyMessage.CalculateSize()); + Assert.AreEqual(message.ToByteArray(), emptyMessage.ToByteArray()); + + var newMessage = new TestAllTypes(); + newMessage.MergeFrom(emptyMessage.ToByteArray()); + Assert.AreEqual(message, newMessage); + Assert.AreEqual(message.CalculateSize(), newMessage.CalculateSize()); + } + + [Test] + public void TestMergeMessage() + { + var message = SampleMessages.CreateFullTestAllTypes(); + var emptyMessage = new TestEmptyMessage(); + var otherEmptyMessage = new TestEmptyMessage(); + emptyMessage.MergeFrom(message.ToByteArray()); + otherEmptyMessage.MergeFrom(emptyMessage); + + Assert.AreEqual(message.CalculateSize(), otherEmptyMessage.CalculateSize()); + Assert.AreEqual(message.ToByteArray(), otherEmptyMessage.ToByteArray()); + } + + [Test] + public void TestEquals() + { + var message = SampleMessages.CreateFullTestAllTypes(); + var emptyMessage = new TestEmptyMessage(); + var otherEmptyMessage = new TestEmptyMessage(); + Assert.AreEqual(emptyMessage, otherEmptyMessage); + emptyMessage.MergeFrom(message.ToByteArray()); + Assert.AreNotEqual(emptyMessage.CalculateSize(), + otherEmptyMessage.CalculateSize()); + Assert.AreNotEqual(emptyMessage, otherEmptyMessage); + } + + [Test] + public void TestHashCode() + { + var message = SampleMessages.CreateFullTestAllTypes(); + var emptyMessage = new TestEmptyMessage(); + int hashCode = emptyMessage.GetHashCode(); + emptyMessage.MergeFrom(message.ToByteArray()); + Assert.AreNotEqual(hashCode, emptyMessage.GetHashCode()); + } + + [Test] + public void TestClone() + { + var emptyMessage = new TestEmptyMessage(); + var otherEmptyMessage = new TestEmptyMessage(); + otherEmptyMessage = emptyMessage.Clone(); + Assert.AreEqual(emptyMessage.CalculateSize(), otherEmptyMessage.CalculateSize()); + Assert.AreEqual(emptyMessage.ToByteArray(), otherEmptyMessage.ToByteArray()); + + var message = SampleMessages.CreateFullTestAllTypes(); + emptyMessage.MergeFrom(message.ToByteArray()); + otherEmptyMessage = emptyMessage.Clone(); + Assert.AreEqual(message.CalculateSize(), otherEmptyMessage.CalculateSize()); + Assert.AreEqual(message.ToByteArray(), otherEmptyMessage.ToByteArray()); + } + + [Test] + public void TestDiscardUnknownFields() + { + var message = SampleMessages.CreateFullTestAllTypes(); + var goldenEmptyMessage = new TestEmptyMessage(); + byte[] data = message.ToByteArray(); + int fullSize = message.CalculateSize(); + + Action<IMessage> assertEmpty = msg => + { + Assert.AreEqual(0, msg.CalculateSize()); + Assert.AreEqual(goldenEmptyMessage, msg); + }; + + Action<IMessage> assertFull = msg => Assert.AreEqual(fullSize, msg.CalculateSize()); + + // Test the behavior of the parsers with and without discarding, both generic and non-generic. + MessageParser<TestEmptyMessage> retainingParser1 = TestEmptyMessage.Parser; + MessageParser retainingParser2 = retainingParser1; + MessageParser<TestEmptyMessage> discardingParser1 = retainingParser1.WithDiscardUnknownFields(true); + MessageParser discardingParser2 = retainingParser2.WithDiscardUnknownFields(true); + + // Test parse from byte[] + assertFull(retainingParser1.ParseFrom(data)); + assertFull(retainingParser2.ParseFrom(data)); + assertEmpty(discardingParser1.ParseFrom(data)); + assertEmpty(discardingParser2.ParseFrom(data)); + + // Test parse from byte[] with offset + assertFull(retainingParser1.ParseFrom(data, 0, data.Length)); + assertFull(retainingParser2.ParseFrom(data, 0, data.Length)); + assertEmpty(discardingParser1.ParseFrom(data, 0, data.Length)); + assertEmpty(discardingParser2.ParseFrom(data, 0, data.Length)); + + // Test parse from CodedInputStream + assertFull(retainingParser1.ParseFrom(new CodedInputStream(data))); + assertFull(retainingParser2.ParseFrom(new CodedInputStream(data))); + assertEmpty(discardingParser1.ParseFrom(new CodedInputStream(data))); + assertEmpty(discardingParser2.ParseFrom(new CodedInputStream(data))); + + // Test parse from Stream + assertFull(retainingParser1.ParseFrom(new MemoryStream(data))); + assertFull(retainingParser2.ParseFrom(new MemoryStream(data))); + assertEmpty(discardingParser1.ParseFrom(new MemoryStream(data))); + assertEmpty(discardingParser2.ParseFrom(new MemoryStream(data))); + } + } +} |