/// <summary>
/// Validate Node1 -> ByteArray1 -> Node2 -> ByteArray2
/// </summary>
private T CheckSerializationRoundTrip <T>(T node)
where T : Node
{
byte[] firstPass;
T node2;
using (var writerStream = new MemoryStream())
using (var writer = new BuildXLWriter(false, writerStream, true, false))
{
// Serialize (Node1 -> ByteArray1)
node.Serialize(writer);
// Copy for validation
firstPass = writerStream.ToArray();
}
using (var readerStream = new MemoryStream(firstPass))
using (var reader = new BuildXLReader(true, readerStream, true))
{
// Deserialize (ByteArray1 -> Node2)
DeserializationContext context = new DeserializationContext(null, reader, m_pathTable, GetLineMap());
node2 = Node.Read <T>(context);
}
if (node.Kind == SyntaxKind.None)
{
Assert.Null(node2);
return(null);
}
else
{
Assert.NotNull(node2);
byte[] secondPass;
using (var writerStream2 = new MemoryStream())
using (var writer2 = new BuildXLWriter(false, writerStream2, true, false))
{
// Reserialize (Node2 -> ByteArray2)
node2.Serialize(writer2);
// Copy for validation
secondPass = writerStream2.ToArray();
}
// Compare byte arrays (ByteArray1 and ByteArray2)
XAssert.AreArraysEqual(firstPass, secondPass, true);
// Compare ASTs (Node1 and Node2)
ConstructorTests.ValidateEqual(null, typeof(T), node, node2, string.Empty, null);
return(node2);
}
}
private void TestFileModuleLiteralOrAbove(FileModuleLiteral node, Type type)
{
using (var ms = new MemoryStream())
{
using (var writer = new BuildXLWriter(false, ms, true, false))
using (var reader = new BuildXLReader(true, ms, true))
{
// Serialize
node.Serialize(writer);
// Copy for validation
byte[] firstPass = ms.ToArray();
// Reset the stream pointer to the start for deserializing
ms.Position = 0;
// Deserialize
DeserializationContext context = new DeserializationContext(null, reader, m_pathTable, node.LineMap);
var node2 = FileModuleLiteral.Read(reader, context.PathTable, GlobalModuleLiteral, ModuleRegistry);
Assert.NotNull(node2);
// Reset the stream pointer to the start for serializing
ms.Position = 0;
// Reserialize
node2.Serialize(writer);
// Copy for validation
byte[] secondPass = ms.ToArray();
// Compare byte arrays
Assert.Equal(firstPass, secondPass);
// Compare ASTs
ConstructorTests.ValidateEqual(null, type, node, node2, nameof(type), null);
}
}
}
