public void Read_ValidHeaderAndProcedureWithReference_ProcedureRead()
{
byte[] bytes =
{
0x61, 0x74, 0x6F, 0x6D, // Magic number.
0x01, 0x00, // Version 1.
0x01, // The origin is set.
0x20, 0x00, 0x00, 0x00, // The origin is set to 0x20.
0x00, 0x00, 0x00, 0x00,
// Base part of the atom.
0x00, // Procedure type.
0x01, // The procedure is defined.
0x01, // The procedure is global.
0x50, 0x72, 0x6F, 0x63, 0x00, // The procedure is called 'Proc'.
// Procedure part of the atom.
0x01, // This is the main procedure.
0x04, 0x00, 0x00, 0x00, // The size of the code is 4 bytes.
0x00, 0x00, 0x00, 0x00, // The procedure code.
0x01, 0x00, // Number of references.
// Reference.
0x01, 0x00, 0x00, 0x00, // It is atom number 1 that is being referenced (index based).
0x01, // The address is in little endian.
0x04, // The size of the address is 4 bytes.
0x00, 0x00, 0x00, 0x00, // The address to relocate.
// Null terminated string.
0x01, // Null terminated string type.
0x01, // The string is defined.
0x00, // The string is not global.
0x53, 0x00, // The string is called 'S'.
// String part
0x54, 0x78, 0x74, 0x00 // The string is 'Txt'.
};
using (var stream = new MemoryStream(bytes))
{
var reader = new AtomReader();
var file = reader.Read(stream);
Assert.True(file.IsOriginSet);
Assert.AreEqual(0x20, file.Origin);
var procedure = (Procedure)file.Atoms[0];
var s = (NullTerminatedString)file.Atoms[1];
Assert.True(procedure.IsDefined);
Assert.True(procedure.IsGlobal);
Assert.AreEqual("Proc", procedure.Name);
Assert.True(procedure.IsMain);
CollectionAssert.AreEqual(new byte[] { 0x00, 0x00, 0x00, 0x00 }, procedure.Code);
Assert.AreEqual(1, procedure.References.Count);
Assert.AreEqual(0, procedure.References[0].Address);
Assert.AreSame(s, procedure.References[0].Atom);
Assert.True(s.IsDefined);
Assert.False(s.IsGlobal);
Assert.AreEqual("S", s.Name);
Assert.AreEqual("Txt", s.Content);
}
}
