private SingleEntityNode EntityParameter <T>(string name)
{
var entityRangeVariable = new EntityRangeVariable(name, new EdmEntityTypeReference(this.entitySet.EntityType(), false), this.entitySet);
entityRangeVariable.SetAnnotation(Expression.Parameter(typeof(T), name));
return(new EntityRangeVariableReferenceNode(name, entityRangeVariable));
}
private void TestLambda <TLambda, TParam, TReturn>(CollectionNode source, string parameterName, SingleValueNode body, Expression <Func <TParam, TReturn> > expectedExpression)
where TLambda : LambdaNode
{
EntityRangeVariable currentRangeVariable = null;
if (parameterName != null)
{
currentRangeVariable = new EntityRangeVariable(parameterName, new EdmEntityTypeReference(this.customerEdmType, false), this.entitySet);
currentRangeVariable.SetAnnotation(Expression.Parameter(typeof(TParam), parameterName));
}
LambdaNode node;
if (typeof(TLambda) == typeof(AnyNode))
{
node = new AnyNode(new Collection <RangeVariable>(), currentRangeVariable);
}
else
{
node = new AllNode(new Collection <RangeVariable>(), currentRangeVariable);
}
node.Body = body;
node.Source = source;
var result = this.testSubject.TranslateNode(node);
CompareExpressions(expectedExpression.Body, result);
}