public void NonExistingVariable()
{
var scope = new Scope();
using (var trans = new ObjectTransaction())
{
trans.Register(new ScopeTransactionAdapter(scope, "t1"));
scope["t1"] = 42;
Assert.AreEqual(42, scope["t1"]);
}
Assert.IsFalse(scope.Variables.Contains("t1"));
}
public void NonExistingVariable()
{
var scope = new Scope();
using ( var trans = new ObjectTransaction() )
{
trans.Register( new ScopeTransactionAdapter( scope, "t1" ) );
scope[ "t1" ] = 42;
Assert.AreEqual( 42, scope[ "t1" ] );
}
Assert.IsFalse( scope.Variables.Contains( "t1" ) );
}
public void ExistingVariable()
{
var scope = new Scope();
scope[ "t1" ] = 23;
using ( var trans = new ObjectTransaction() )
{
trans.Register( new ScopeTransactionAdapter( scope, "t1" ) );
scope[ "t1" ] = 42;
Assert.AreEqual( 42, scope[ "t1" ] );
}
Assert.AreEqual( 23, scope[ "t1" ] );
}
public void ExistingVariable()
{
var scope = new Scope();
scope["t1"] = 23;
using (var trans = new ObjectTransaction())
{
trans.Register(new ScopeTransactionAdapter(scope, "t1"));
scope["t1"] = 42;
Assert.AreEqual(42, scope["t1"]);
}
Assert.AreEqual(23, scope["t1"]);
}
public void CompleteScope()
{
var scope = new Scope();
scope[ "t1" ] = 21;
using ( var trans = new ObjectTransaction() )
{
trans.Register( new ScopeTransactionAdapter( scope ) );
scope[ "t1" ] = 42; // overwrite value
scope[ "t2" ] = 42; // new variable
Assert.AreEqual( 42, scope[ "t1" ] );
Assert.AreEqual( 42, scope[ "t2" ] );
}
Assert.AreEqual( 21, scope[ "t1" ] );
Assert.IsFalse( scope.Variables.Contains( "t2" ) );
}
public static SingleResultValue <T> FetchSingle <T>(this IMslScript script, string isin, string datum)
{
var provider = Interpreter.Context.DatumProviderFactory.Create(datum);
if (provider == null)
{
throw new Exception("No data provider found for datum '" + datum + "'");
}
// as we have no real stock yet (we might in process of fetching standing data
// to get such stock) so we have to overwrite default lookup behaviour
using (var trans = new ObjectTransaction())
{
trans.Register(new ScopeTransactionAdapter(Interpreter.Context.Scope));
Interpreter.Context.Scope["stock.isin"] = isin;
return(provider.FetchSingle <T>());
}
}
public void CompleteScope()
{
var scope = new Scope();
scope["t1"] = 21;
using (var trans = new ObjectTransaction())
{
trans.Register(new ScopeTransactionAdapter(scope));
scope["t1"] = 42; // overwrite value
scope["t2"] = 42; // new variable
Assert.AreEqual(42, scope["t1"]);
Assert.AreEqual(42, scope["t2"]);
}
Assert.AreEqual(21, scope["t1"]);
Assert.IsFalse(scope.Variables.Contains("t2"));
}
public static void Register(this ObjectTransaction trans, Type ns, string key)
{
trans.Register(Engine.ServiceProvider.ConfigurationSC().CreateAccessor(ns, key));
}
