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#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;
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 } },
};
}
[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));
}
// 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]
[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);
}
}
}
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