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