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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 --stack-trace-on-illegal
     29 
     30 // Get the Debug object exposed from the debug context global object.
     31 Debug = debug.Debug
     32 
     33 listenerComplete = false;
     34 exception = false;
     35 
     36 // The base part of all evaluate requests.
     37 var base_request = '"seq":0,"type":"request","command":"references"'
     38 
     39 function safeEval(code) {
     40   try {
     41     return eval('(' + code + ')');
     42   } catch (e) {
     43     assertEquals(void 0, e);
     44     return undefined;
     45   }
     46 }
     47 
     48 function testRequest(dcp, arguments, success, count) {
     49   // Generate request with the supplied arguments.
     50   var request;
     51   if (arguments) {
     52     request = '{' + base_request + ',"arguments":' + arguments + '}';
     53   } else {
     54     request = '{' + base_request + '}'
     55   }
     56 
     57   // Process the request and check expectation.
     58   var response = safeEval(dcp.processDebugJSONRequest(request));
     59   if (success) {
     60     assertTrue(response.success, request + ' -> ' + response.message);
     61     assertTrue(response.body instanceof Array);
     62     if (count) {
     63       assertEquals(count, response.body.length);
     64     } else {
     65       assertTrue(response.body.length > 0);
     66     }
     67   } else {
     68     assertFalse(response.success, request + ' -> ' + response.message);
     69   }
     70   assertEquals(response.running, dcp.isRunning(), request + ' -> expected not running');
     71 }
     72 
     73 function listener(event, exec_state, event_data, data) {
     74   try {
     75   if (event == Debug.DebugEvent.Break) {
     76     // Get the debug command processor.
     77     var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
     78 
     79     // Test some illegal references requests.
     80     testRequest(dcp, void 0, false);
     81     testRequest(dcp, '{"handle":"a"}', false);
     82     testRequest(dcp, '{"handle":1}', false);
     83     testRequest(dcp, '{"type":"referencedBy"}', false);
     84     testRequest(dcp, '{"type":"constructedBy"}', false);
     85 
     86     // Evaluate Point.
     87     var evaluate_point = '{"seq":0,"type":"request","command":"evaluate",' +
     88                          '"arguments":{"expression":"Point"}}';
     89     var response = safeEval(dcp.processDebugJSONRequest(evaluate_point));
     90     assertTrue(response.success, "Evaluation of Point failed");
     91     var handle = response.body.handle;
     92 
     93     // Test some legal references requests.
     94     testRequest(dcp, '{"handle":' + handle + ',"type":"referencedBy"}', true);
     95     testRequest(dcp, '{"handle":' + handle + ',"type":"constructedBy"}',
     96                 true, 2);
     97 
     98     // Indicate that all was processed.
     99     listenerComplete = true;
    100   }
    101   } catch (e) {
    102     exception = e;
    103     print(e + "\n" + e.stack);
    104   };
    105 };
    106 
    107 // Add the debug event listener.
    108 Debug.setListener(listener);
    109 
    110 // Test constructor and objects.
    111 function Point(x, y) { this.x_ = x; this.y_ = y;}
    112 p = new Point(0,0);
    113 q = new Point(1,2);
    114 
    115 // Enter debugger causing the event listener to be called.
    116 debugger;
    117 
    118 // Make sure that the debug event listener was invoked.
    119 assertFalse(exception, "exception in listener")
    120 assertTrue(listenerComplete, "listener did not run to completion");
    121