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Diffstat (limited to 'third_party/protobuf/3.6.0/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs')
| -rw-r--r-- | third_party/protobuf/3.6.0/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/third_party/protobuf/3.6.0/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs b/third_party/protobuf/3.6.0/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs new file mode 100644 index 0000000000..5b7185dcd2 --- /dev/null +++ b/third_party/protobuf/3.6.0/csharp/compatibility_tests/v3.0.0/src/Google.Protobuf.Test/WellKnownTypes/WrappersTest.cs @@ -0,0 +1,421 @@ +#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 RepeatedWrappersBinaryFormat() + { + // At one point we accidentally used a packed format for repeated wrappers, which is wrong (and weird). + // This test is just to prove that we use the right format. + + var rawOutput = new MemoryStream(); + var output = new CodedOutputStream(rawOutput); + // Write a value of 5 + output.WriteTag(RepeatedWellKnownTypes.Int32FieldFieldNumber, WireFormat.WireType.LengthDelimited); + output.WriteLength(2); + output.WriteTag(WrappersReflection.WrapperValueFieldNumber, WireFormat.WireType.Varint); + output.WriteInt32(5); + // Write a value of 0 (empty message) + output.WriteTag(RepeatedWellKnownTypes.Int32FieldFieldNumber, WireFormat.WireType.LengthDelimited); + output.WriteLength(0); + output.Flush(); + var expectedBytes = rawOutput.ToArray(); + + var message = new RepeatedWellKnownTypes { Int32Field = { 5, 0 } }; + var actualBytes = message.ToByteArray(); + Assert.AreEqual(expectedBytes, actualBytes); + } + + [Test] + public void MapWrappersSerializeDeserialize() + { + // Note: no null values here, as they are prohibited in map fields + // (despite being representable). + 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 }, + }, + 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, "" } }, + 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 = TestWellKnownTypes.Descriptor.Fields; + + Assert.AreEqual("x", fields[TestWellKnownTypes.StringFieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(ByteString.CopyFrom(1, 2, 3), fields[TestWellKnownTypes.BytesFieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(true, fields[TestWellKnownTypes.BoolFieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(12.5f, fields[TestWellKnownTypes.FloatFieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(12.25d, fields[TestWellKnownTypes.DoubleFieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(1, fields[TestWellKnownTypes.Int32FieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(2L, fields[TestWellKnownTypes.Int64FieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(3U, fields[TestWellKnownTypes.Uint32FieldFieldNumber].Accessor.GetValue(message)); + Assert.AreEqual(4UL, fields[TestWellKnownTypes.Uint64FieldFieldNumber].Accessor.GetValue(message)); + + // And a couple of null fields... + message.StringField = null; + message.FloatField = null; + Assert.IsNull(fields[TestWellKnownTypes.StringFieldFieldNumber].Accessor.GetValue(message)); + Assert.IsNull(fields[TestWellKnownTypes.FloatFieldFieldNumber].Accessor.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 = RepeatedWellKnownTypes.Descriptor.Fields; + var list = (IList) fields[RepeatedWellKnownTypes.Int32FieldFieldNumber].Accessor.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 despite the value type being int? + var message = new MapWellKnownTypes { Int32Field = { { 1, 2 } } }; + var fields = MapWellKnownTypes.Descriptor.Fields; + var dictionary = (IDictionary) fields[MapWellKnownTypes.Int32FieldFieldNumber].Accessor.GetValue(message); + Assert.AreEqual(2, dictionary[1]); + } + + [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. See issue 615. Fixing this would require significant upheaval to + // the FieldCodec side of things. + [Test] + public void MergingStreamExplicitValue() + { + 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 = new CodedOutputStream(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. + // With the FieldCodec for Nullable<int>, we can't tell the difference between an implicit 0 and an explicit 0. + Assert.AreEqual(5, message.Int32Field); + } + + [Test] + public void MergingStreamNoValue() + { + var message = new TestWellKnownTypes { Int32Field = 5 }; + + // Create a byte array which an Int32 field, but with no value. + var bytes = new TestWellKnownTypes { Int32Field = 0 }.ToByteArray(); + Assert.AreEqual(2, bytes.Length); // The tag for Int32Field is a single byte, then a byte indicating a 0-length message. + message.MergeFrom(bytes); + + // The "implicit" 0 did *not* overwrite the value. + // (This is the correct behaviour.) + Assert.AreEqual(5, message.Int32Field); + } + + // All permutations of origin/merging value being null, zero (default) or non-default. + // As this is the in-memory version, we don't need to worry about the difference between implicit and explicit 0. + [Test] + [TestCase(null, null, null)] + [TestCase(null, 0, 0)] + [TestCase(null, 5, 5)] + [TestCase(0, null, 0)] + [TestCase(0, 0, 0)] + [TestCase(0, 5, 5)] + [TestCase(5, null, 5)] + [TestCase(5, 0, 5)] + [TestCase(5, 10, 10)] + public void MergingMessageWithZero(int? originValue, int? mergingValue, int? expectedResult) + { + // This differs from the MergingStreamCornerCase because when we merge message *objects*, + // we ignore default values from the "source". + var message1 = new TestWellKnownTypes { Int32Field = originValue }; + var message2 = new TestWellKnownTypes { Int32Field = mergingValue }; + message1.MergeFrom(message2); + Assert.AreEqual(expectedResult, message1.Int32Field); + } + + [Test] + public void UnknownFieldInWrapper() + { + var stream = new MemoryStream(); + var output = new CodedOutputStream(stream); + var wrapperTag = WireFormat.MakeTag(TestWellKnownTypes.Int32FieldFieldNumber, WireFormat.WireType.LengthDelimited); + var unknownTag = WireFormat.MakeTag(15, WireFormat.WireType.Varint); + var valueTag = WireFormat.MakeTag(Int32Value.ValueFieldNumber, WireFormat.WireType.Varint); + + output.WriteTag(wrapperTag); + output.WriteLength(4); // unknownTag + value 5 + valueType + value 6, each 1 byte + output.WriteTag(unknownTag); + output.WriteInt32((int) valueTag); // Sneakily "pretend" it's a tag when it's really a value + output.WriteTag(valueTag); + output.WriteInt32(6); + + output.Flush(); + stream.Position = 0; + + var message = TestWellKnownTypes.Parser.ParseFrom(stream); + Assert.AreEqual(6, message.Int32Field); + } + + [Test] + public void ClearWithReflection() + { + // String and Bytes are the tricky ones here, as the CLR type of the property + // is the same between the wrapper and non-wrapper types. + var message = new TestWellKnownTypes { StringField = "foo" }; + TestWellKnownTypes.Descriptor.Fields[TestWellKnownTypes.StringFieldFieldNumber].Accessor.Clear(message); + Assert.IsNull(message.StringField); + } + } +} |