public void DeepCopyTest()
{
object[] arr = new object[2] {
1, "str"
};
var obj1 = arr.ShallowCopy();
var p = Obj <object[]> .ShallowCopy(arr);
DeepTestClass t = Obj <DeepTestClass> .New();
t.Linked = new DeepTestClass();
t.Linked.Linked = t;
t.Str = str + str;
var arr2 = arr.DeepCopy();
K s;
s.Field = 1;
s.t = new TestClass();
var t1 = Obj.DeepCopy(t);
var s1 = Obj.DeepCopy(s);
Dictionary <object, object> d = new Dictionary <object, object>()
{
{ t, t }
};
//Obj<Dictionary<object, object>>.SetDeepCopyFn(CloneDict);
var d2 = d.DeepCopy();
var k = d2.Keys.First();
var k1 = d2[k];
HashSet <DeepTestClass> hs = new HashSet <DeepTestClass>();
hs.Add(t);
hs.Add(t1);
Hashtable ht = new Hashtable();
ht[t] = t;
ht[t1] = t1;
var htc = ht.DeepCopy();
var hsc = hs.DeepCopy();
Assert.IsTrue(k == k1);
Assert.IsNotNull(t);
Assert.IsNotNull(t1);
Assert.IsInstanceOfType(t1, typeof(DeepTestClass));
Assert.IsInstanceOfType(s1, typeof(K));
Assert.AreEqual(t1.Str, t.Str);
Assert.AreEqual(s1.Field, s.Field);
Assert.AreEqual(hs.Count, hsc.Count);
Assert.IsFalse(Object.ReferenceEquals(hs.ElementAt(0), hsc.ElementAt(0)));
Assert.AreEqual(ht.Count, htc.Count);
Assert.IsFalse(Object.ReferenceEquals(ht, htc));
foreach (var h in htc.Keys)
{
Assert.IsTrue(Object.ReferenceEquals(htc[h], h));
}
Assert.IsFalse(Assert.ReferenceEquals(t, t1));
Assert.IsFalse(Assert.ReferenceEquals(s.t, s1.t));
}
public void LinkedDeepCopyTest()
{
DeepTestClass t = Obj <DeepTestClass> .New();
t.Linked = new DeepTestClass();
t.Linked.Linked = t;
t.Str = str + str;
var t1 = Obj.DeepCopy(t);
Assert.IsTrue(Object.ReferenceEquals(t1, t1.Linked.Linked));
}
public void NewVsDeepCopyPerformanceTest()
{
const int count = 100000;
Stopwatch stopwatch = Stopwatch.StartNew();
for (int i = 0; i < count; ++i)
{
var obj = new DeepTestClass();
}
stopwatch.Stop();
Console.WriteLine("new object: {0} ms", stopwatch.ElapsedMilliseconds);
var co = new DeepTestClass();
var p = co.DeepCopy();
stopwatch.Restart();
for (int i = 0; i < count; ++i)
{
var obj = (object)Obj.DeepCopy((object)co);
}
stopwatch.Stop();
Console.WriteLine("Obj.DeepCopy : {0} ms", stopwatch.ElapsedMilliseconds);
}