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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 // State to check that the listener code was invoked and that no exceptions
     33 // occoured.
     34 listenerComplete = false;
     35 exception = false;
     36 
     37 var base_request = '"seq":0,"type":"request","command":"scripts"'
     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 testArguments(dcp, arguments, success) {
     49   var request = '{' + base_request + ',"arguments":' + arguments + '}'
     50   var json_response = dcp.processDebugJSONRequest(request);
     51   var response = safeEval(json_response);
     52   if (success) {
     53     assertTrue(response.success, json_response);
     54   } else {
     55     assertFalse(response.success, json_response);
     56   }
     57 }
     58 
     59 function listener(event, exec_state, event_data, data) {
     60   try {
     61   if (event == Debug.DebugEvent.Break) {
     62     // Get the debug command processor.
     63     var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
     64 
     65     // Test illegal scripts requests.
     66     testArguments(dcp, '{"types":"xx"}', false);
     67 
     68     // Test legal scripts requests.
     69     testArguments(dcp, '{}', true);
     70     testArguments(dcp, '{"types":1}', true);
     71     testArguments(dcp, '{"types":2}', true);
     72     testArguments(dcp, '{"types":4}', true);
     73     testArguments(dcp, '{"types":7}', true);
     74     testArguments(dcp, '{"types":255}', true);
     75 
     76     // Test request for all scripts.
     77     var request = '{' + base_request + '}'
     78     var response = safeEval(dcp.processDebugJSONRequest(request));
     79     assertTrue(response.success);
     80 
     81     // Test filtering by id.  We have to get at least one script back, but
     82     // the exact number depends on the timing of GC.
     83     assertTrue(response.body.length >= 1);
     84 
     85     var script = response.body[0];
     86     var request = '{' + base_request + ',"arguments":{"ids":[' +
     87                   script.id + ']}}';
     88     var response = safeEval(dcp.processDebugJSONRequest(request));
     89     assertTrue(response.success);
     90     assertEquals(1, response.body.length);
     91     assertEquals(script.id, response.body[0].id);
     92 
     93     // Indicate that all was processed.
     94     listenerComplete = true;
     95   }
     96   } catch (e) {
     97     exception = e
     98   };
     99 };
    100 
    101 // Add the debug event listener.
    102 Debug.setListener(listener);
    103 
    104 // Call debugger to invoke the debug event listener.
    105 debugger;
    106 
    107 // Make sure that the debug event listener vas invoked with no exceptions.
    108 assertTrue(listenerComplete,
    109            "listener did not run to completion, exception: " + exception);
    110 assertFalse(exception, "exception in listener")
    111