public void Quote_RuntimeVariables_Hoisted3()
{
var x = Expression.Parameter(typeof(int));
var y = Expression.Parameter(typeof(int));
var variables = new ReadOnlyCollection <ParameterExpression>(new[] { y });
var definitions = new Dictionary <ParameterExpression, StorageKind>
{
{ y, StorageKind.Hoisted | StorageKind.Boxed } // NB: Using Boxed for LINQ ET compatibility.
};
var h = new HoistedLocals(parent: null, variables, definitions);
var e = Expression.Lambda <Func <int, IRuntimeVariables> >(Expression.RuntimeVariables(x, y), x);
Assert.AreEqual(typeof(Closure <StrongBox <int> >), h.Closure.ClosureType);
var c = new Closure <StrongBox <int> > {
Item1 = new StrongBox <int>(42)
};
var q = (Expression <Func <int, IRuntimeVariables> >)RuntimeOpsEx.Quote(e, h, c);
var f = q.Compile();
Assert.AreEqual(41, f(41)[0]);
Assert.AreEqual(42, f(41)[1]);
Assert.AreEqual(2, f(41).Count);
var r = f(43);
r[0] = 44;
r[1] = 45;
Assert.AreEqual(44, r[0]);
Assert.AreEqual(45, r[1]);
Assert.AreEqual(45, c.Item1.Value);
}
public void Quote_Hoisted_Parent()
{
var x = Expression.Parameter(typeof(int));
var variables = new ReadOnlyCollection <ParameterExpression>(new[] { x });
var definitions = new Dictionary <ParameterExpression, StorageKind>
{
{ x, StorageKind.Hoisted | StorageKind.Boxed } // NB: Using Boxed for LINQ ET compatibility.
};
var p = new HoistedLocals(parent: null, variables, definitions);
var h = new HoistedLocals(p, new ReadOnlyCollection <ParameterExpression>(Array.Empty <ParameterExpression>()), new Dictionary <ParameterExpression, StorageKind>());
var e = Expression.Lambda <Func <int> >(x);
Assert.AreEqual(typeof(Closure <Closure <StrongBox <int> > >), h.Closure.ClosureType);
var c = new Closure <Closure <StrongBox <int> > > {
Item1 = new Closure <StrongBox <int> > {
Item1 = new StrongBox <int>(42)
}
};
var q = (Expression <Func <int> >)RuntimeOpsEx.Quote(e, h, c);
var f = q.Compile();
Assert.AreEqual(42, f());
c.Item1.Item1.Value = 43;
Assert.AreEqual(43, f());
}
public void Quote_NoHoisted2()
{
var h = GetEmptyHoistedLocals();
var e = (Expression <Func <int, int> >)(x => x);
var c = new Empty();
var q = RuntimeOpsEx.Quote(e, h, c);
Assert.AreSame(e, q);
}
public void Quote_NoHoisted1()
{
var h = GetEmptyHoistedLocals();
var e = Expression.Lambda <Action>(Expression.Empty());
var c = new Empty();
var q = RuntimeOpsEx.Quote(e, h, c);
Assert.AreSame(e, q);
}
public void Quote_NoHoisted3()
{
var h = GetEmptyHoistedLocals();
var x = Expression.Parameter(typeof(int));
var y = Expression.Parameter(typeof(Exception));
var e = Expression.Lambda <Action>(Expression.Block(new[] { x }, Expression.TryCatch(Expression.Empty(), Expression.Catch(y, Expression.Empty(), Expression.Constant(true)))));
var c = new Empty();
var q = RuntimeOpsEx.Quote(e, h, c);
Assert.AreSame(e, q);
}
public void Quote_RuntimeVariables_Hoisted2()
{
var x = Expression.Parameter(typeof(int));
var variables = new ReadOnlyCollection <ParameterExpression>(Array.Empty <ParameterExpression>());
var definitions = new Dictionary <ParameterExpression, StorageKind>();
var h = new HoistedLocals(parent: null, variables, definitions);
var e = Expression.Lambda <Func <int, IRuntimeVariables> >(Expression.RuntimeVariables(x), x);
Assert.AreEqual(typeof(Empty), h.Closure.ClosureType);
var c = new Empty();
var q = (Expression <Func <int, IRuntimeVariables> >)RuntimeOpsEx.Quote(e, h, c);
var f = q.Compile();
Assert.AreEqual(42, f(42)[0]);
Assert.AreEqual(1, f(41).Count);
var r = f(43);
r[0] = 44;
Assert.AreEqual(44, r[0]);
}