lib/as3/ok/trycatch.as

   1 package {
   2     import flash.display.MovieClip;
   3     import flash.net.navigateToURL;
   4
   5     public class MyError {
   6     }
   7     public class MyOtherError {
   8         var ok5="ok 5/8";
   9     }
  10     public class ClassWithStaticFunctions {
  11         static function ok7() {
  12             trace("ok 7/8");
  13         }
  14     }
  15     public class Main extends flash.display.MovieClip {
  16
  17         public function getClass():Class {
  18             return ClassWithStaticFunctions;
  19         }
  20
  21         public function checkScope():void
  22         {
  23             try {
  24                 flash.net.navigateToURL;
  25             } catch (e:Error) {
  26             }
  27             trace("ok 6/8");
  28
  29             with(getClass()) {
  30                 try {
  31                   throw new Error;
  32                 } catch(e:Error) {
  33                     ok7();
  34                 }
  35             }
  36         }
  37         public function checkActivation():void
  38         {
  39             var y:uint = 0;
  40             var inc_y = function() {
  41                 y = y + 1;
  42             }
  43
  44             try {
  45               inc_y();
  46               throw new Error;
  47             } catch(e:Error) {
  48                 inc_y();
  49             }
  50             if(y!=2) trace("error")
  51             else    trace("ok 8/8");
  52         }
  53
  54
  55         function Main() {
  56             try {
  57                 throw new MyError
  58                 trace("error");
  59             } catch(error:Error) {
  60                 // MyError is not of the Error class
  61                 trace("error");
  62             } catch(error:MyError) {
  63                 trace("ok 1/8");
  64             } catch(x) {
  65                 trace("error");
  66             }
  67
  68             try {
  69                 throw new MyOtherError
  70                 trace("error");
  71             } catch(error:MyError) {
  72                 trace("error");
  73             } catch(x:*) { // ":*" is the same as ""
  74                 trace("ok 2/8");
  75             }
  76
  77             try {
  78                 trace("ok 3/8");
  79                 // don't throw any error
  80             } catch(error:MyError) {
  81                 trace("error");
  82             } catch(error:MyOtherError) {
  83                 trace("error");
  84             } catch(x:*) { // ":*" is the same as ""
  85                 trace("error");
  86             }
  87
  88             trace("ok 4/8");
  89
  90             try {throw new MyOtherError}
  91             catch(x:*) {
  92                 trace((x as MyOtherError).ok5);
  93             }
  94
  95             checkScope();
  96             checkActivation();
  97
  98             trace("[exit]");
  99         }
 100     }
 101 }