Example #1
0
        private static void Check(Condition_Accessor target, string podminka, ColumnCollection cols, object left, object right, Operators op)
        {
            target.ParseString(podminka, cols);

            if (target.compare_operator != op)
            {
                Fail(podminka, "spatne urceny operator");
            }

            if (!left.Equals(target.left_value))
            {
                Fail(podminka, "leva strana spatne urcena");
            }

            if (!right.Equals(target.right_value))
            {
                Fail(podminka, "prava strana spatne urcena");
            }
        }
Example #2
0
        public void Bonsai_Concurrency()
        {
            var p   = Expression.Parameter(typeof(int), "p");
            var p1  = Expression.Parameter(typeof(int), "p1");
            var p2  = Expression.Parameter(typeof(int), "p2");
            var lp1 = Expression.Parameter(typeof(MyNumeric?), "p1");
            var lp2 = Expression.Parameter(typeof(MyNumeric?), "p2");
            var bp1 = Expression.Parameter(typeof(bool), "p1");
            var bp2 = Expression.Parameter(typeof(bool), "p2");
            var c1  = Expression.Constant(DateTime.Now);
            var c2  = Expression.Constant(TimeSpan.FromSeconds(1));

            var baseCases = new Expression[]
            {
                #region Constant
                Expression.Constant((sbyte)42),
                Expression.Constant((byte)42),
                Expression.Constant((short)42),
                Expression.Constant((ushort)42),
                Expression.Constant(42),
                Expression.Constant((uint)42),
                Expression.Constant((long)42),
                Expression.Constant((ulong)42),
                Expression.Constant((float)42),
                Expression.Constant((double)42),
                //Not supported: typeof(Decimal)
                //Issue: inadequate constant converter
                //Expression.Constant((decimal)42),
                Expression.Constant(true),
                Expression.Constant("Hello"),
                //Not supported: typeof(Char)
                //Issue: inadequate constant converter
                //Expression.Constant('c'),
                #endregion

                #region Unary
                Expression.Negate(p),
                Expression.NegateChecked(p),
                Expression.UnaryPlus(p),
                Expression.OnesComplement(p),
                Expression.Decrement(p),
                Expression.Increment(p),
                Expression.Not(p),
                Expression.ArrayLength(Expression.Parameter(typeof(int[]))),
                Expression.TypeAs(p, typeof(string)),
                Expression.MakeUnary(ExpressionType.Increment, p, type: null, typeof(CustomUnary).GetMethod("Increment")),
                Expression.MakeUnary(ExpressionType.UnaryPlus, p, type: null, typeof(CustomUnary).GetMethod("Plus")),
                Expression.MakeUnary(ExpressionType.Negate, p, type: null, typeof(CustomUnary).GetMethod("Negate")),
                Expression.MakeUnary(ExpressionType.NegateChecked, p, type: null, typeof(CustomUnary).GetMethod("Negate")),
                #endregion

                #region Binary
                Expression.Add(p1, p2),
                Expression.AddChecked(p1, p2),
                Expression.Subtract(p1, p2),
                Expression.SubtractChecked(p1, p2),
                Expression.Multiply(p1, p2),
                Expression.MultiplyChecked(p1, p2),
                Expression.Divide(p1, p2),
                Expression.Modulo(p1, p2),

                Expression.LeftShift(p1, p2),
                Expression.RightShift(p1, p2),

                Expression.And(p1, p2),
                Expression.Or(p1, p2),
                Expression.ExclusiveOr(p1, p2),
                Expression.Power(Expression.Parameter(typeof(double)), Expression.Parameter(typeof(double))),

                Expression.Add(lp1, lp2),
                Expression.AddChecked(lp1, lp2),
                Expression.Subtract(lp1, lp2),
                Expression.SubtractChecked(lp1, lp2),
                Expression.Multiply(lp1, lp2),
                Expression.MultiplyChecked(lp1, lp2),
                Expression.Divide(lp1, lp2),
                Expression.Modulo(lp1, lp2),

                Expression.And(lp1, lp2),
                Expression.Or(lp1, lp2),
                Expression.ExclusiveOr(lp1, lp2),
                Expression.Add(c1, c2),
                Expression.AddChecked(c1, c2),
                Expression.Subtract(c1, c2),
                Expression.SubtractChecked(c1, c2),

                Expression.LessThan(p1, p2),
                Expression.LessThanOrEqual(p1, p2),
                Expression.GreaterThan(p1, p2),
                Expression.GreaterThanOrEqual(p1, p2),
                Expression.Equal(p1, p2),
                Expression.NotEqual(p1, p2),

                Expression.And(bp1, bp2),
                Expression.Or(bp1, bp2),
                Expression.ExclusiveOr(bp1, bp2),
                Expression.AndAlso(bp1, bp2),
                Expression.OrElse(bp1, bp2),

                (Expression <Func <Persoon2, bool> >)(x => x.Geslacht == Sex.Male),
                (Expression <Func <string, string> >)(s => s ?? "null"),
                Expression.Coalesce(Expression.Parameter(typeof(string)), Expression.Constant(0), (Expression <Func <string, int> >)(s => int.Parse(s))),
                #endregion

                #region Conversion
                (Expression <Func <int, BigInteger> >)(i => i),
                (Expression <Func <BigInteger, int> >)(i => (int)i),
                Expression.ConvertChecked(Expression.Parameter(typeof(BigInteger)), typeof(int)),
                #endregion

                #region Lambda
                Expression.Lambda <Func <int, int> >(p, p),
                (Expression <Action <Nopper> >)(n => n.Nop()),
                Expression.Lambda <MyFunc>(p, p),
                Expression.Parameter(typeof(int), "p").Let(x => Expression.Lambda <Func <int, Func <int, int> > >(Expression.Lambda(p, p), x)),
                Expression.Parameter(typeof(int)).Let(x => Expression.Lambda <Func <int, int> >(x, x)),
                (Expression <Rec <int, int> >)(fib => n => n > 1 ? fib(fib)(n - 1) + fib(fib)(n - 2) : n),
#pragma warning disable IDE0004 // Remove Unnecessary Cast. (Only unnecessary on C# 10 or later.)
                (Expression <Func <int> >)(() => Q.Foo(() => new Foo())),
#pragma warning restore IDE0004 // Remove Unnecessary Cast
                #endregion

                #region Calls
                Expression.Call(instance: null, typeof(X).GetMethod("A")),
                Expression.Call(instance: null, typeof(X).GetMethod("B"), Expression.Constant(2)),
                Expression.Call(instance: null, typeof(X).GetMethod("C")),
                Expression.Call(instance: null, typeof(X).GetMethod("D"), Expression.Constant(42)),
                Expression.Call(instance: null, typeof(X).GetMethod("I").MakeGenericMethod(typeof(int)), Expression.Constant(42)),
                (Expression <Action <Adder, int> >)((a, x) => a.Add(x)),
                (Expression <Action <Adder, string> >)((a, x) => a.Add(x)),
                (Expression <Action <Adder, Answer> >)((a, x) => a.Add(x)),
                (Expression <Func <Adder, int, int> >)((a, x) => a.AddAndRet(x)),
                #endregion

                #region Invocation
                (Expression <Func <Func <int, int>, int, int> >)((f, x) => f(x)),
                #endregion

                #region Members
                (Expression <Func <Instancy, string> >)(i => i.Value),
                (Expression <Func <Instancy, string> >)(i => i.Value),
                (Expression <Func <Instancy, int> >)(i => i._field),
#pragma warning disable IDE0004 // Remove Unnecessary Cast. (Only unnecessary on C# 10 or later.)
                (Expression <Func <string> >)(() => Staticy.Value),
                (Expression <Func <int> >)(() => Staticy._field),
#pragma warning restore IDE0004 // Remove Unnecessary Cast
                (Expression <Func <string[], int, string> >)((ss, i) => /* ArrayIndex */ ss[i]),
                #endregion

                #region Indexer
                (Expression <Func <string[, ], int, int, string> >)((ss, i, j) => ss[i, j]),
                (Expression <Func <Indexy, string, int> >)((i, s) => i[s]),
                #endregion

                #region Default
                Expression.Default(typeof(string)),
                #endregion

                #region Conditional
                Expression.Default(typeof(string)),
                Expression.Condition(Expression.Constant(true, typeof(bool)), Expression.New(typeof(B)), Expression.New(typeof(C)), typeof(A)),
                #endregion

                #region Object creation and initialization
#pragma warning disable IDE0004 // Remove Unnecessary Cast. (Only unnecessary on C# 10 or later.)
                (Expression <Func <int[]> >)(() => new[] { 1, 2, 3 }),
                (Expression <Func <List <int> > >)(() => new List <int> {
                    1, 2, 3
                }),
                (Expression <Func <Qux> >)(() => new Qux(42)
                {
                    Baz = "Hello", Bar = { Zuz = 24 }, Foos = { 1, 2, 3 }
                }),
#pragma warning restore IDE0004 // Remove Unnecessary Cast
                Expression.Lambda(Expression.New(typeof(int))),
                Expression.NewArrayBounds(typeof(int), Expression.Constant(1)),
                #endregion

                #region Man or Boy
                (Expression <Func <List <int>, List <int>, List <int>, List <int> > >)((x, y, z) => Operators.Concat(Operators.Concat(x, y, z), x, 0)),
                #endregion
            };

            var r         = new Random(42);
            var testCases = Enumerable.Repeat(baseCases, 1000).SelectMany(x => x).OrderBy(_ => r.Next());

            var serializer = GetSerializer();

            Parallel.ForEach(
                testCases,
                testCase => AssertRoundtrip(testCase, serializer));
        }