public void Not_an_IEnum()
{
var sut = new Flatten_IEnumerables_all_alike();
var passedOn = 0;
sut.PassOn += _ => passedOn = (int)_;
sut.Process(42);
Assert.AreEqual(42, passedOn);
sut.Configure("True");
sut.Process(99);
Assert.AreEqual(99, passedOn);
}
public void MetaObjects_and_elements_for_IEnum()
{
var sut = new Flatten_IEnumerables_all_alike();
sut.Configure("True");
var fragments = new List<object>();
sut.MetaObject += fragments.Add;
sut.Element += fragments.Add;
sut.Process(new[] { 42 });
Assert.AreEqual(3, fragments.Count);
Assert.IsInstanceOf<OpeningFragment>(fragments[0]);
Assert.AreEqual(42, fragments[1]);
Assert.IsInstanceOf<ClosingFragment>(fragments[2]);
}
public void An_IEnum()
{
var sut = new Flatten_IEnumerables_all_alike();
var passedOn = new int[0];
sut.PassOn += _ => passedOn = (int[])_;
sut.Process(new[]{42});
Assert.AreEqual(new[]{42}, passedOn);
passedOn = null;
sut.MetaObject += delegate { };
sut.Element += delegate { };
sut.Configure("True");
sut.Process(new[]{99});
Assert.IsNull(passedOn);
}
public Flatten(bool treatAllIEnumerablesAlike)
{
// Build
var handleNull = new Flatten_null();
var scalar = new Flatten_scalar();
var cache = new Cache();
var ienum = new Flatten_IEnumerables_all_alike();
var array = new Flatten_array();
var nonScalar = new Flatten_non_scalar_field_by_field();
var collect = new Collect();
// Bind
_process = handleNull.Process;
handleNull.Null += collect.Process;
handleNull.PassOn += scalar.Process;
scalar.Scalar += collect.Process;
scalar.PassOn += cache.Process;
cache.CacheHit += collect.Process;
cache.CacheMiss += ienum.Process;
ienum.MetaObject += collect.Process;
ienum.Element += handleNull.Process; // recursion for IEnum elements
ienum.PassOn += array.Process;
array.MetaObject += collect.Process;
array.Element += handleNull.Process; // recursion for array elements
array.PassOn += nonScalar.Process;
nonScalar.MetaObject += collect.Process;
nonScalar.FieldValue += _process; // recursion for field values
collect.Result += _ => this.Result(_);
// Config
ienum.Configure(treatAllIEnumerablesAlike.ToString());
}
public Flatten(bool treatAllIEnumerablesAlike)
{
// Build
var handleNull = new Flatten_null();
var scalar = new Flatten_scalar();
var cache = new Cache();
var ienum = new Flatten_IEnumerables_all_alike();
var array = new Flatten_array();
var nonScalar = new Flatten_non_scalar_field_by_field();
var collect = new Collect();
// Bind
_process = handleNull.Process;
handleNull.Null += collect.Process;
handleNull.PassOn += scalar.Process;
scalar.Scalar += collect.Process;
scalar.PassOn += cache.Process;
cache.CacheHit += collect.Process;
cache.CacheMiss += ienum.Process;
ienum.MetaObject += collect.Process;
ienum.Element += handleNull.Process; // recursion for IEnum elements
ienum.PassOn += array.Process;
array.MetaObject += collect.Process;
array.Element += handleNull.Process; // recursion for array elements
array.PassOn += nonScalar.Process;
nonScalar.MetaObject += collect.Process;
nonScalar.FieldValue += _process; // recursion for field values
collect.Result += _ => this.Result(_);
// Config
ienum.Configure(treatAllIEnumerablesAlike.ToString());
}