System.Linq.Expressions.Expression.GreaterThanOrEqual C# (CSharp) Method

GreaterThanOrEqual() public static method

Creates a BinaryExpression that represents a "greater than or equal" numeric comparison.
public static GreaterThanOrEqual ( Expression left, Expression right ) : BinaryExpression
left Expression An to set the property equal to.
right Expression An to set the property equal to.
return BinaryExpression
        public static BinaryExpression GreaterThanOrEqual(Expression left, Expression right)
        {
            return GreaterThanOrEqual(left, right, liftToNull: false, method: null);
        }

Same methods

Expression::GreaterThanOrEqual ( Expression left, Expression right, bool liftToNull, MethodInfo method ) : BinaryExpression

Usage Example

Ejemplo n.º 1
0
        public void TestWhereComparison()
        {
            // Partial LINQ expression (x => x.Number1)
            var parameter = LinqExpression.Parameter(typeof(NumbersModel), "x");
            var n1        = LinqExpression.Property(parameter, "Number1");

            var l3    = new Func <int, bool>(n => n < 3);
            var le3   = new Func <int, bool>(n => n <= 3);
            var g6    = new Func <int, bool>(n => n > 6);
            var ge6   = new Func <int, bool>(n => n >= 6);
            var e7    = new Func <int, bool>(n => n == 7);
            var ne7   = new Func <int, bool>(n => n != 7);
            var cases = new[] {
                Tuple.Create((LinqExpression)LinqExpression.LessThan(n1, LinqExpression.Constant(3)),
                             (Func <NumbersModel, object, bool>)TestWhereCompareValidator, (object)l3, parameter),
                Tuple.Create((LinqExpression)LinqExpression.LessThanOrEqual(n1, LinqExpression.Constant(3)),
                             (Func <NumbersModel, object, bool>)TestWhereCompareValidator, (object)le3, parameter),
                Tuple.Create((LinqExpression)LinqExpression.GreaterThan(n1, LinqExpression.Constant(6)),
                             (Func <NumbersModel, object, bool>)TestWhereCompareValidator, (object)g6, parameter),
                Tuple.Create((LinqExpression)LinqExpression.GreaterThanOrEqual(n1, LinqExpression.Constant(6)),
                             (Func <NumbersModel, object, bool>)TestWhereCompareValidator, (object)ge6, parameter),
                Tuple.Create((LinqExpression)LinqExpression.Equal(n1, LinqExpression.Constant(7)),
                             (Func <NumbersModel, object, bool>)TestWhereCompareValidator, (object)e7, parameter),
                Tuple.Create((LinqExpression)LinqExpression.NotEqual(n1, LinqExpression.Constant(7)),
                             (Func <NumbersModel, object, bool>)TestWhereCompareValidator, (object)ne7, parameter)
            };

            LoadModelNumbers(10);
            Db.Count.Should().Be(10);
            RunTestWithNumbers(new[] { 2, 3, 4, 5, 1, 9 }, cases);
        }
All Usage Examples Of System.Linq.Expressions.Expression::GreaterThanOrEqual
Expression