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 // Throwing and catching an error in an onStep handler shouldn't interfere

 // with throwing and catching in the debuggee.

 var g = newGlobal();

 g.eval("function f() { debugger; throw 'mud'; }");

 var dbg = Debugger(g);

 var stepped = false;

 dbg.onDebuggerStatement = function (frame) {

     frame.older.onStep = function () {

         stepped = true;

         try {

             throw 'snow';

         } catch (x) {

             assertEq(x, 'snow');

         }

     };

 };

 stepped = false;

 g.eval("var caught;\n" +

        "try {\n" +

        "    f();\n" +

        "} catch (x) {\n" +

        "    caught = x;\n" +

        "}\n");

 assertEq(stepped, true);

 assertEq(g.caught, 'mud');