public void Parse_WhenDescExpression_SortingDirectionBecomesDesc()
{
var lambda = new OrderByDescExpression(Reflect <MyClass> .LambdaFrom(m => m.String1));
var parsedLambda = CreateParser().Parse(new[] { lambda });
var node = (SortingNode)parsedLambda.Nodes[0];
Assert.AreEqual(SortDirections.Desc, node.Direction);
}
public void Parse_WhenTwoPropertyLambdasArePassed_ExactlyTwoSortingNodeIsReturned()
{
var lambda1 = new OrderByAscExpression(Reflect <MyClass> .LambdaFrom(m => m.String1));
var lambda2 = new OrderByDescExpression(Reflect <MyClass> .LambdaFrom(m => m.Int1));
var parsedLambda = CreateParser().Parse(new OrderByExpression[] { lambda1, lambda2 });
Assert.AreEqual(2, parsedLambda.Nodes.Length);
Assert.IsInstanceOf(typeof(SortingNode), parsedLambda.Nodes[0]);
Assert.IsInstanceOf(typeof(SortingNode), parsedLambda.Nodes[1]);
}
public void Parse_WhenAscAndDescExpressionOnSameMember_SortingDirectionBecomesBothAscAndDescInCorrectOrder()
{
var lambda1 = new OrderByAscExpression(Reflect <MyClass> .LambdaFrom(m => m.String1));
var lambda2 = new OrderByDescExpression(Reflect <MyClass> .LambdaFrom(m => m.String1));
var parsedLambda = CreateParser()
.Parse(new OrderByExpression [] { lambda1, lambda2 });
Assert.AreEqual(2, parsedLambda.Nodes.Length);
var node1 = (SortingNode)parsedLambda.Nodes[0];
Assert.AreEqual(SortDirections.Asc, node1.Direction);
var node2 = (SortingNode)parsedLambda.Nodes[1];
Assert.AreEqual(SortDirections.Desc, node2.Direction);
}
