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     27 
     28 // Flags: --expose-debug-as debug
     29 
     30 // This test tests that full code compiled without debug break slots
     31 // is recompiled with debug break slots when debugging is started.
     32 
     33 // Get the Debug object exposed from the debug context global object.
     34 Debug = debug.Debug
     35 
     36 var bp;
     37 var done = false;
     38 var step_count = 0;
     39 var set_bp = false
     40 
     41 // Debug event listener which steps until the global variable done is true.
     42 function listener(event, exec_state, event_data, data) {
     43   if (event == Debug.DebugEvent.Break) {
     44     if (!done) exec_state.prepareStep(Debug.StepAction.StepNext);
     45     step_count++;
     46   }
     47 };
     48 
     49 // Set the global variables state to prpare the stepping test.
     50 function prepare_step_test() {
     51   done = false;
     52   step_count = 0;
     53 }
     54 
     55 // Test function to step through.
     56 function f() {
     57   var a = 0;
     58   if (set_bp) { bp = Debug.setBreakPoint(f, 3); }
     59   var i = 1;
     60   var j = 2;
     61   done = true;
     62 };
     63 
     64 prepare_step_test();
     65 f();
     66 
     67 // Add the debug event listener.
     68 Debug.setListener(listener);
     69 
     70 // Make f set a breakpoint with an activation on the stack.
     71 prepare_step_test();
     72 set_bp = true;
     73 f();
     74 // TODO(1782): Fix issue to bring back this assert.
     75 //assertEquals(4, step_count);
     76 Debug.clearBreakPoint(bp);
     77 
     78 // Set a breakpoint on the first var statement (line 1).
     79 set_bp = false;
     80 bp = Debug.setBreakPoint(f, 3);
     81 
     82 // Step through the function ensuring that the var statements are hit as well.
     83 prepare_step_test();
     84 f();
     85 assertEquals(4, step_count);
     86 
     87 // Clear the breakpoint and check that no stepping happens.
     88 Debug.clearBreakPoint(bp);
     89 prepare_step_test();
     90 f();
     91 assertEquals(0, step_count);
     92 
     93 // Get rid of the debug event listener.
     94 Debug.setListener(null);
     95