Merge pull request #1421 from daebo01:enum-serialize-fix-pr

Fix packet corruption issue when enum was not 4 bytes.

Conflicts:
	src/MySqlConnector/MySqlParameter.cs

Author: bgrainger

tests/MySqlConnector.Tests/DummyEnum.cs

@@ -4,4 +4,52 @@ internal enum DummyEnum
 {
 	FirstValue,
 	SecondValue
-} 
+}
+
+internal enum DummyByteEnum : byte
+{
+	FirstValue,
+	SecondValue = 0x11,
+}
+
+internal enum DummySByteEnum : sbyte
+{
+	FirstValue,
+	SecondValue = 0x11,
+}
+
+internal enum DummyShortEnum : short
+{
+	FirstValue,
+	SecondValue = 0x1122,
+}
+
+internal enum DummyUShortEnum : ushort
+{
+	FirstValue,
+	SecondValue = 0x1122,
+}
+
+internal enum DummyIntEnum : int
+{
+	FirstValue,
+	SecondValue = 0x11223344,
+}
+
+internal enum DummyUIntEnum : uint
+{
+	FirstValue,
+	SecondValue = 0x11223344,
+}
+
+internal enum DummyLongEnum : long
+{
+	FirstValue,
+	SecondValue = 0x11223344_55667788,
+}
+
+internal enum DummyULongEnum : ulong
+{
+	FirstValue,
+	SecondValue = 0x11223344_55667788,
+}

tests/MySqlConnector.Tests/MySqlConnector.Tests.csproj

@@ -47,7 +47,7 @@
 
   <ItemGroup Condition=" '$(Configuration)' == 'MySqlData' ">
     <PackageReference Include="MySql.Data" />
-    <Compile Remove="ByteBufferWriterTests.cs;CachedProcedureTests.cs;CancellationTests.cs;ColumnCountPayloadTests.cs;ColumnReaderTests.cs;ConnectionTests.cs;FakeMySqlServer.cs;FakeMySqlServerConnection.cs;LoadBalancerTests.cs;MySqlDecimalTests.cs;MySqlExceptionTests.cs;MySqlParameterCollectionNameToIndexTests.cs;NormalizeTests.cs;ServerVersionTests.cs;StatementPreparerTests.cs;TypeMapperTests.cs;UtilityTests.cs" />
+    <Compile Remove="ByteBufferWriterTests.cs;CachedProcedureTests.cs;CancellationTests.cs;ColumnCountPayloadTests.cs;ColumnReaderTests.cs;ConnectionTests.cs;FakeMySqlServer.cs;FakeMySqlServerConnection.cs;LoadBalancerTests.cs;MySqlDecimalTests.cs;MySqlExceptionTests.cs;MySqlParameterAppendBinaryTests.cs;MySqlParameterCollectionNameToIndexTests.cs;NormalizeTests.cs;ServerVersionTests.cs;StatementPreparerTests.cs;TypeMapperTests.cs;UtilityTests.cs" />
     <Compile Remove="Metrics\*.cs" />
     <Using Include="MySql.Data.MySqlClient" />
     <Using Include="MySql.Data.Types" />

tests/MySqlConnector.Tests/MySqlParameterAppendBinaryTests.cs

@@ -0,0 +1,27 @@
+using MySqlConnector.Protocol.Serialization;
+
+namespace MySqlConnector.Tests;
+
+public class MySqlParameterAppendBinaryTests
+{
+	[Theory]
+	[InlineData(DummySByteEnum.SecondValue, MySqlDbType.Byte, new byte[] { 0x11 })]
+	[InlineData(DummyByteEnum.SecondValue, MySqlDbType.UByte, new byte[] { 0x11 })]
+	[InlineData(DummyShortEnum.SecondValue, MySqlDbType.Int16, new byte[] { 0x22, 0x11 })]
+	[InlineData(DummyUShortEnum.SecondValue, MySqlDbType.UInt16, new byte[] { 0x22, 0x11 })]
+	[InlineData(DummyIntEnum.SecondValue, MySqlDbType.Int32, new byte[] { 0x44, 0x33, 0x22, 0x11 })]
+	[InlineData(DummyUIntEnum.SecondValue, MySqlDbType.UInt32, new byte[] { 0x44, 0x33, 0x22, 0x11 })]
+	[InlineData(DummyEnum.SecondValue, MySqlDbType.Int32, new byte[] { 0x01, 0x00, 0x00, 0x00 })]
+	[InlineData(DummyLongEnum.SecondValue, MySqlDbType.Int64, new byte[] { 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11 })]
+	[InlineData(DummyULongEnum.SecondValue, MySqlDbType.UInt64, new byte[] { 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11 })]
+	public void WriteBinaryEnumType(object value, MySqlDbType expectedMySqlDbType, byte[] expectedBinary)
+	{
+		var parameter = new MySqlParameter { Value = value };
+		var writer = new ByteBufferWriter();
+		parameter.AppendBinary(writer, StatementPreparerOptions.None);
+
+		Assert.Equal(parameter.MySqlDbType, expectedMySqlDbType);
+		Assert.Equal(writer.Position, expectedBinary.Length);
+		Assert.Equal(writer.ArraySegment, expectedBinary);
+	}
+}