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      1 // Copyright 2009 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 listenerComplete = false;
     33 exception = false;
     34 
     35 // The base part of all evaluate requests.
     36 var base_request = '"seq":0,"type":"request","command":"references"'
     37 
     38 function safeEval(code) {
     39   try {
     40     return eval('(' + code + ')');
     41   } catch (e) {
     42     assertEquals(void 0, e);
     43     return undefined;
     44   }
     45 }
     46 
     47 function testRequest(dcp, arguments, success, count) {
     48   // Generate request with the supplied arguments.
     49   var request;
     50   if (arguments) {
     51     request = '{' + base_request + ',"arguments":' + arguments + '}';
     52   } else {
     53     request = '{' + base_request + '}'
     54   }
     55 
     56   // Process the request and check expectation.
     57   var response = safeEval(dcp.processDebugJSONRequest(request));
     58   if (success) {
     59     assertTrue(response.success, request + ' -> ' + response.message);
     60     assertTrue(response.body instanceof Array);
     61     if (count) {
     62       assertEquals(count, response.body.length);
     63     } else {
     64       assertTrue(response.body.length > 0);
     65     }
     66   } else {
     67     assertFalse(response.success, request + ' -> ' + response.message);
     68   }
     69   assertEquals(response.running, dcp.isRunning(), request + ' -> expected not running');
     70 }
     71 
     72 function listener(event, exec_state, event_data, data) {
     73   try {
     74   if (event == Debug.DebugEvent.Break) {
     75     // Get the debug command processor.
     76     var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
     77 
     78     // Test some illegal references requests.
     79     testRequest(dcp, void 0, false);
     80     testRequest(dcp, '{"handle":"a"}', false);
     81     testRequest(dcp, '{"handle":1}', false);
     82     testRequest(dcp, '{"type":"referencedBy"}', false);
     83     testRequest(dcp, '{"type":"constructedBy"}', false);
     84 
     85     // Evaluate Point.
     86     var evaluate_point = '{"seq":0,"type":"request","command":"evaluate",' +
     87                          '"arguments":{"expression":"Point"}}';
     88     var response = safeEval(dcp.processDebugJSONRequest(evaluate_point));
     89     assertTrue(response.success, "Evaluation of Point failed");
     90     var handle = response.body.handle;
     91 
     92     // Test some legal references requests.
     93     testRequest(dcp, '{"handle":' + handle + ',"type":"referencedBy"}', true);
     94     testRequest(dcp, '{"handle":' + handle + ',"type":"constructedBy"}',
     95                 true, 2);
     96 
     97     // Indicate that all was processed.
     98     listenerComplete = true;
     99   }
    100   } catch (e) {
    101     exception = e
    102   };
    103 };
    104 
    105 // Add the debug event listener.
    106 Debug.setListener(listener);
    107 
    108 // Test constructor and objects.
    109 function Point(x, y) { this.x_ = x; this.y_ = y;}
    110 p = new Point(0,0);
    111 q = new Point(1,2);
    112 
    113 // Enter debugger causing the event listener to be called.
    114 debugger;
    115 
    116 // Make sure that the debug event listener was invoked.
    117 assertFalse(exception, "exception in listener")
    118 assertTrue(listenerComplete, "listener did not run to completion");
    119