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      1 // Copyright 2008 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Flags: --expose-debug-as debug
     29 // Get the Debug object exposed from the debug context global object.
     30 Debug = debug.Debug
     31 
     32 // Simple debug event handler which counts the number of breaks hit and steps.
     33 var break_break_point_hit_count = 0;
     34 function listener(event, exec_state, event_data, data) {
     35   if (event == Debug.DebugEvent.Break) {
     36     break_break_point_hit_count++;
     37     // Continue stepping until returned to bottom frame.
     38     if (exec_state.frameCount() > 1) {
     39       exec_state.prepareStep(Debug.StepAction.StepIn);
     40     }
     41     
     42     // Test that there is a script.
     43     assertTrue(typeof(event_data.func().script()) == 'object');
     44   }
     45 };
     46 
     47 // Add the debug event listener.
     48 Debug.setListener(listener);
     49 
     50 // Test step into constructor with simple constructor.
     51 function X() {
     52 }
     53 
     54 function f() {
     55   debugger;
     56   new X();
     57 };
     58 
     59 break_break_point_hit_count = 0;
     60 f();
     61 assertEquals(5, break_break_point_hit_count);
     62 f();
     63 assertEquals(10, break_break_point_hit_count);
     64 f();
     65 assertEquals(15, break_break_point_hit_count);
     66 
     67 // Test step into constructor with builtin constructor.
     68 function g() {
     69   debugger;
     70   new Date();
     71 };
     72 
     73 break_break_point_hit_count = 0;
     74 g();
     75 assertEquals(4, break_break_point_hit_count);
     76 
     77 // Get rid of the debug event listener.
     78 Debug.setListener(null);
     79