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//
// Tests the foreach on strings, and tests the implicit use of foreach
// to pull the enumerator from the class and identify the pattern to be called
//
using System;
using System.Collections;
class Y {
int count = 0;
public bool MoveNext ()
{
count++;
return count != 10;
}
public object Current {
get {
return count;
}
}
}
class X {
static string [] a = {
"one", "two", "three"
};
public Y GetEnumerator ()
{
return new Y ();
}
public static int Main ()
{
//
// String test
//
string total = "";
foreach (string s in a){
total = total + s;
}
if (total != "onetwothree")
return 1;
//
// Pattern test
//
X x = new X ();
int t = 0;
foreach (object o in x){
t += (int) o;
}
if (t != 45)
return 2;
//
// Looking for GetEnumerator on interfaces test
//
Hashtable xx = new Hashtable ();
xx.Add ("A", 10);
xx.Add ("B", 20);
IDictionary vars = xx;
string total2 = "";
foreach (string name in vars.Keys){
total2 = total2 + name;
}
if ((total2 != "AB") && (total2 != "BA"))
return 3;
ArrayList list = new ArrayList ();
list.Add ("one");
list.Add ("two");
list.Add ("three");
int count = 0;
//
// This test will make sure that `break' inside foreach will
// actually use a `leave' opcode instead of a `br' opcode
//
foreach (string s in list){
if (s == "two"){
break;
}
count++;
}
if (count != 1)
return 4;
Console.WriteLine ("test passes");
return 0;
}
}
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