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author | Jon Skeet <jonskeet@google.com> | 2015-07-17 08:26:04 +0100 |
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committer | Jon Skeet <jonskeet@google.com> | 2015-07-17 08:26:04 +0100 |
commit | 59eeebee870332ea2b9085688ba524c69311f662 (patch) | |
tree | 4300e8aeaff6a3b706c398496a692f5ed25f43b7 /csharp/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs | |
parent | 0f442a7533b1d06ce0092b28f10af481b99e1369 (diff) | |
download | protobuf-59eeebee870332ea2b9085688ba524c69311f662.tar.gz protobuf-59eeebee870332ea2b9085688ba524c69311f662.tar.bz2 protobuf-59eeebee870332ea2b9085688ba524c69311f662.zip |
First pass at the big rename from ProtocolBuffers to Google.Protobuf.
We'll see what I've missed when CI fails...
Diffstat (limited to 'csharp/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs')
-rw-r--r-- | csharp/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs b/csharp/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs new file mode 100644 index 00000000..ad88c4eb --- /dev/null +++ b/csharp/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs @@ -0,0 +1,326 @@ +#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 System; +using Google.Protobuf.TestProtos; +using NUnit.Framework; +using System.Collections; +using System.IO; + +namespace Google.Protobuf.WellKnownTypes +{ + public class WrappersTest + { + [Test] + public void NullIsDefault() + { + var message = new TestWellKnownTypes(); + Assert.IsNull(message.StringField); + Assert.IsNull(message.BytesField); + Assert.IsNull(message.BoolField); + Assert.IsNull(message.FloatField); + Assert.IsNull(message.DoubleField); + Assert.IsNull(message.Int32Field); + Assert.IsNull(message.Int64Field); + Assert.IsNull(message.Uint32Field); + Assert.IsNull(message.Uint64Field); + } + + [Test] + public void NonDefaultSingleValues() + { + var message = new TestWellKnownTypes + { + StringField = "x", + BytesField = ByteString.CopyFrom(1, 2, 3), + BoolField = true, + FloatField = 12.5f, + DoubleField = 12.25d, + Int32Field = 1, + Int64Field = 2, + Uint32Field = 3, + Uint64Field = 4 + }; + + var bytes = message.ToByteArray(); + var parsed = TestWellKnownTypes.Parser.ParseFrom(bytes); + + Assert.AreEqual("x", parsed.StringField); + Assert.AreEqual(ByteString.CopyFrom(1, 2, 3), parsed.BytesField); + Assert.AreEqual(true, parsed.BoolField); + Assert.AreEqual(12.5f, parsed.FloatField); + Assert.AreEqual(12.25d, parsed.DoubleField); + Assert.AreEqual(1, parsed.Int32Field); + Assert.AreEqual(2L, parsed.Int64Field); + Assert.AreEqual(3U, parsed.Uint32Field); + Assert.AreEqual(4UL, parsed.Uint64Field); + } + + [Test] + public void NonNullDefaultIsPreservedThroughSerialization() + { + var message = new TestWellKnownTypes + { + StringField = "", + BytesField = ByteString.Empty, + BoolField = false, + FloatField = 0f, + DoubleField = 0d, + Int32Field = 0, + Int64Field = 0, + Uint32Field = 0, + Uint64Field = 0 + }; + + var bytes = message.ToByteArray(); + var parsed = TestWellKnownTypes.Parser.ParseFrom(bytes); + + Assert.AreEqual("", parsed.StringField); + Assert.AreEqual(ByteString.Empty, parsed.BytesField); + Assert.AreEqual(false, parsed.BoolField); + Assert.AreEqual(0f, parsed.FloatField); + Assert.AreEqual(0d, parsed.DoubleField); + Assert.AreEqual(0, parsed.Int32Field); + Assert.AreEqual(0L, parsed.Int64Field); + Assert.AreEqual(0U, parsed.Uint32Field); + Assert.AreEqual(0UL, parsed.Uint64Field); + } + + [Test] + public void RepeatedWrappersProhibitNullItems() + { + var message = new RepeatedWellKnownTypes(); + Assert.Throws<ArgumentNullException>(() => message.BoolField.Add((bool?) null)); + Assert.Throws<ArgumentNullException>(() => message.Int32Field.Add((int?) null)); + Assert.Throws<ArgumentNullException>(() => message.StringField.Add((string) null)); + Assert.Throws<ArgumentNullException>(() => message.BytesField.Add((ByteString) null)); + } + + [Test] + public void RepeatedWrappersSerializeDeserialize() + { + var message = new RepeatedWellKnownTypes + { + BoolField = { true, false }, + BytesField = { ByteString.CopyFrom(1, 2, 3), ByteString.CopyFrom(4, 5, 6), ByteString.Empty }, + DoubleField = { 12.5, -1.5, 0d }, + FloatField = { 123.25f, -20f, 0f }, + Int32Field = { int.MaxValue, int.MinValue, 0 }, + Int64Field = { long.MaxValue, long.MinValue, 0L }, + StringField = { "First", "Second", "" }, + Uint32Field = { uint.MaxValue, uint.MinValue, 0U }, + Uint64Field = { ulong.MaxValue, ulong.MinValue, 0UL }, + }; + var bytes = message.ToByteArray(); + var parsed = RepeatedWellKnownTypes.Parser.ParseFrom(bytes); + + Assert.AreEqual(message, parsed); + // Just to test a single value for sanity... + Assert.AreEqual("Second", message.StringField[1]); + } + + [Test] + public void MapWrappersSerializeDeserialize() + { + var message = new MapWellKnownTypes + { + BoolField = { { 10, false }, { 20, true } }, + BytesField = { + { -1, ByteString.CopyFrom(1, 2, 3) }, + { 10, ByteString.CopyFrom(4, 5, 6) }, + { 1000, ByteString.Empty }, + { 10000, null } + }, + DoubleField = { { 1, 12.5 }, { 10, -1.5 }, { 20, 0d } }, + FloatField = { { 2, 123.25f }, { 3, -20f }, { 4, 0f } }, + Int32Field = { { 5, int.MaxValue }, { 6, int.MinValue }, { 7, 0 } }, + Int64Field = { { 8, long.MaxValue }, { 9, long.MinValue }, { 10, 0L } }, + StringField = { { 11, "First" }, { 12, "Second" }, { 13, "" }, { 14, null } }, + Uint32Field = { { 15, uint.MaxValue }, { 16, uint.MinValue }, { 17, 0U } }, + Uint64Field = { { 18, ulong.MaxValue }, { 19, ulong.MinValue }, { 20, 0UL } }, + }; + + var bytes = message.ToByteArray(); + var parsed = MapWellKnownTypes.Parser.ParseFrom(bytes); + + Assert.AreEqual(message, parsed); + // Just to test a single value for sanity... + Assert.AreEqual("Second", message.StringField[12]); + } + + [Test] + public void Reflection_SingleValues() + { + var message = new TestWellKnownTypes + { + StringField = "x", + BytesField = ByteString.CopyFrom(1, 2, 3), + BoolField = true, + FloatField = 12.5f, + DoubleField = 12.25d, + Int32Field = 1, + Int64Field = 2, + Uint32Field = 3, + Uint64Field = 4 + }; + var fields = ((IReflectedMessage) message).Fields; + + Assert.AreEqual("x", fields[TestWellKnownTypes.StringFieldFieldNumber].GetValue(message)); + Assert.AreEqual(ByteString.CopyFrom(1, 2, 3), fields[TestWellKnownTypes.BytesFieldFieldNumber].GetValue(message)); + Assert.AreEqual(true, fields[TestWellKnownTypes.BoolFieldFieldNumber].GetValue(message)); + Assert.AreEqual(12.5f, fields[TestWellKnownTypes.FloatFieldFieldNumber].GetValue(message)); + Assert.AreEqual(12.25d, fields[TestWellKnownTypes.DoubleFieldFieldNumber].GetValue(message)); + Assert.AreEqual(1, fields[TestWellKnownTypes.Int32FieldFieldNumber].GetValue(message)); + Assert.AreEqual(2L, fields[TestWellKnownTypes.Int64FieldFieldNumber].GetValue(message)); + Assert.AreEqual(3U, fields[TestWellKnownTypes.Uint32FieldFieldNumber].GetValue(message)); + Assert.AreEqual(4UL, fields[TestWellKnownTypes.Uint64FieldFieldNumber].GetValue(message)); + + // And a couple of null fields... + message.StringField = null; + message.FloatField = null; + Assert.IsNull(fields[TestWellKnownTypes.StringFieldFieldNumber].GetValue(message)); + Assert.IsNull(fields[TestWellKnownTypes.FloatFieldFieldNumber].GetValue(message)); + } + + [Test] + public void Reflection_RepeatedFields() + { + // Just a single example... note that we can't have a null value here + var message = new RepeatedWellKnownTypes { Int32Field = { 1, 2 } }; + var fields = ((IReflectedMessage) message).Fields; + var list = (IList) fields[RepeatedWellKnownTypes.Int32FieldFieldNumber].GetValue(message); + CollectionAssert.AreEqual(new[] { 1, 2 }, list); + } + + [Test] + public void Reflection_MapFields() + { + // Just a single example... note that we can't have a null value here + var message = new MapWellKnownTypes { Int32Field = { { 1, 2 }, { 3, null } } }; + var fields = ((IReflectedMessage) message).Fields; + var dictionary = (IDictionary) fields[MapWellKnownTypes.Int32FieldFieldNumber].GetValue(message); + Assert.AreEqual(2, dictionary[1]); + Assert.IsNull(dictionary[3]); + Assert.IsTrue(dictionary.Contains(3)); + } + + [Test] + public void Oneof() + { + var message = new OneofWellKnownTypes { EmptyField = new Empty() }; + // Start off with a non-wrapper + Assert.AreEqual(OneofWellKnownTypes.OneofFieldOneofCase.EmptyField, message.OneofFieldCase); + AssertOneofRoundTrip(message); + + message.StringField = "foo"; + Assert.AreEqual(OneofWellKnownTypes.OneofFieldOneofCase.StringField, message.OneofFieldCase); + AssertOneofRoundTrip(message); + + message.StringField = "foo"; + Assert.AreEqual(OneofWellKnownTypes.OneofFieldOneofCase.StringField, message.OneofFieldCase); + AssertOneofRoundTrip(message); + + message.DoubleField = 0.0f; + Assert.AreEqual(OneofWellKnownTypes.OneofFieldOneofCase.DoubleField, message.OneofFieldCase); + AssertOneofRoundTrip(message); + + message.DoubleField = 1.0f; + Assert.AreEqual(OneofWellKnownTypes.OneofFieldOneofCase.DoubleField, message.OneofFieldCase); + AssertOneofRoundTrip(message); + + message.ClearOneofField(); + Assert.AreEqual(OneofWellKnownTypes.OneofFieldOneofCase.None, message.OneofFieldCase); + AssertOneofRoundTrip(message); + } + + private void AssertOneofRoundTrip(OneofWellKnownTypes message) + { + // Normal roundtrip, but explicitly checking the case... + var bytes = message.ToByteArray(); + var parsed = OneofWellKnownTypes.Parser.ParseFrom(bytes); + Assert.AreEqual(message, parsed); + Assert.AreEqual(message.OneofFieldCase, parsed.OneofFieldCase); + } + + [Test] + [TestCase("x", "y", "y")] + [TestCase("x", "", "x")] + [TestCase("x", null, "x")] + [TestCase("", "y", "y")] + [TestCase("", "", "")] + [TestCase("", null, "")] + [TestCase(null, "y", "y")] + [TestCase(null, "", "")] + [TestCase(null, null, null)] + public void Merging(string original, string merged, string expected) + { + var originalMessage = new TestWellKnownTypes { StringField = original }; + var mergingMessage = new TestWellKnownTypes { StringField = merged }; + originalMessage.MergeFrom(mergingMessage); + Assert.AreEqual(expected, originalMessage.StringField); + + // Try it using MergeFrom(CodedInputStream) too... + originalMessage = new TestWellKnownTypes { StringField = original }; + originalMessage.MergeFrom(mergingMessage.ToByteArray()); + Assert.AreEqual(expected, originalMessage.StringField); + } + + // Merging is odd with wrapper types, due to the way that default values aren't emitted in + // the binary stream. In fact we cheat a little bit - a message with an explicitly present default + // value will have that default value ignored. + [Test] + public void MergingCornerCase() + { + var message = new TestWellKnownTypes { Int32Field = 5 }; + + // Create a byte array which has the data of an Int32Value explicitly containing a value of 0. + // This wouldn't normally happen. + byte[] bytes; + var wrapperTag = WireFormat.MakeTag(TestWellKnownTypes.Int32FieldFieldNumber, WireFormat.WireType.LengthDelimited); + var valueTag = WireFormat.MakeTag(Int32Value.ValueFieldNumber, WireFormat.WireType.Varint); + using (var stream = new MemoryStream()) + { + var coded = CodedOutputStream.CreateInstance(stream); + coded.WriteTag(wrapperTag); + coded.WriteLength(2); // valueTag + a value 0, each one byte + coded.WriteTag(valueTag); + coded.WriteInt32(0); + coded.Flush(); + bytes = stream.ToArray(); + } + + message.MergeFrom(bytes); + // A normal implementation would have 0 now, as the explicit default would have been overwritten the 5. + Assert.AreEqual(5, message.Int32Field); + } + } +} |