// Copyright 2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Debug = debug.Debug

var exception = null;
var break_break_point_hit_count = 0;

function listener(event, exec_state, event_data, data) {
  try {
    if (event == Debug.DebugEvent.Break) {
      if (break_break_point_hit_count == 0) {
        assertEquals('    debugger;',
                     event_data.sourceLineText());
        assertEquals('runDoWhile', event_data.func().name());
      } else if (break_break_point_hit_count == 1) {
        assertEquals('  } while(condition());',
                     event_data.sourceLineText());
        assertEquals('runDoWhile', event_data.func().name());
      }

      break_break_point_hit_count++;
      // Continue stepping until returned to bottom frame.
      if (exec_state.frameCount() > 1) {
        exec_state.prepareStep(Debug.StepAction.StepNext);
      }

    }
  } catch(e) {
    exception = e;
  }
};

// Add the debug event listener.
Debug.setListener(listener);

function condition() {
  return false;
}

function runDoWhile() {
  do {
    debugger;
  } while(condition());
};

break_break_point_hit_count = 0;
runDoWhile();
assertNull(exception);
assertEquals(4, break_break_point_hit_count);

// Get rid of the debug event listener.
Debug.setListener(null);
