public override bool Evaluate()
{
if (m_comparer == null)
{
if (_comparerType != null && _comparerType.IsValid)
{
m_comparer = (IntComparer)System.Activator.CreateInstance(_comparerType.Type);
}
else
{
throw new System.NullReferenceException("Null comparer");
}
}
return(m_comparer.Compare(_providerA.GetValue(), _providerB.GetValue()));
}
public void M()
{
// Operators
var i = 42;
if (i == 32)
{
;
}
if (i != 32)
{
;
}
if (i > 32)
{
;
}
if (i < 32)
{
;
}
if (i >= 32)
{
;
}
if (i <= 32)
{
;
}
// Qualified method calls
var o = (object)i;
var s = "abc";
this.Equals(32); // Equals
if (o.Equals(32))
{
; // Equals
}
if (s.Equals("32"))
{
; // IEquatable<T>.Equals
}
// Unqualified method calls
Equals(32);
Equals(o, 32);
object.Equals(0, 32);
ReferenceEquals(0, 32);
object.ReferenceEquals(0, 32);
// User-defined operators
C c1 = null, c2 = null;
if (c1 == c2)
{
;
}
if (c1 != c2)
{
;
}
if (c1 > c2)
{
;
}
if (c1 < c2)
{
;
}
if (c1 >= c2)
{
;
}
if (c1 <= c2)
{
;
}
// IComparer.Compare
var comparer = new Comparer();
comparer.Compare(i, "32");
// IComparer<T>.Compare
var intComparer = new IntComparer();
intComparer.Compare(i, 32);
// IComparable.Compare
c1.CompareTo("c2");
// IComparable<T>.Compare
c1.CompareTo(c2);
}
public override DbReader <TestDbReader> CreateReader(TestCommand command)
{
DbReader <TestDbReader> ret = null;
_lock.EnterWriteLock();
if (command.Command.Contains("ReadWithDeleteAndLocal"))
{
var split = command.Command.Split(new[] { "%" }, StringSplitOptions.RemoveEmptyEntries);
command.Command = "asc2";
command.Local = bool.Parse(split[1]);
command.IsDeleted = bool.Parse(split[2]);
}
switch (command.Command)
{
case "readMeta":
case "read":
var meta1 = Meta.Find(x => x.Value == command.Value && x.IsDeleted == command.IsDeleted);
ret = meta1 == null
? new TestDbReader(new List <int>(), new List <TestCommand>())
: new TestDbReader(command.Value, Meta.Find(x => x.Value == command.Value));
break;
case "ReadAllElementsAndMergeWhereStatemenetForKey":
var meta = Meta.Where(x =>
{
if (command.Support == 10)
{
return(x.Value == command.Value && x.IsDeleted == command.IsDeleted);
}
if (command.Local)
{
if (x.IsDeleted == command.IsDeleted)
{
return(true);
}
return(false);
}
if (!x.Local && x.IsDeleted == command.IsDeleted)
{
return(true);
}
return(false);
}).ToList();
var data = Data.Where(x => meta.Exists(w => w.Value == x)).ToList();
ret = new TestDbReader(data, meta);
break;
case "desc":
var meta2 = Meta.FindAll(x => x.IsDeleted == command.IsDeleted).ToList();
meta2.Sort((x, y) => IntComparer.Compare(x.Value, y.Value));
var data2 = Data.Where(x => meta2.Exists(w => w.Value == x)).ToList();
ret = new TestDbReader(data2, meta2, true);
break;
case "asc":
var meta3 = Meta.FindAll(x => x.IsDeleted == command.IsDeleted).ToList();
meta3.Sort((x, y) => IntComparer.Compare(x.Value, y.Value));
var data3 = Data.Where(x => meta3.Exists(w => w.Value == x)).ToList();
ret = new TestDbReader(data3, meta3, false, true);
break;
case "asc2":
var meta4 = Meta.FindAll(x => x.IsDeleted == command.IsDeleted && x.Local == command.Local).ToList();
meta4.Sort((x, y) => - IntComparer.Compare(x.Value, y.Value));
var data4 = Data.Where(x => meta4.Exists(w => w.Value == x)).ToList();
ret = new TestDbReader(data4, meta4, false, true);
break;
}
_lock.ExitWriteLock();
return(ret);
}