Home | History | Annotate | Download | only in mjsunit 
      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 function which stores the last debug event.
     33 listenerComplete = false;
     34 exception = false;
     35 
     36 var base_request = '"seq":0,"type":"request","command":"continue"'
     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 testArguments(exec_state, arguments, success) {
     48   // Get the debug command processor in paused state.
     49   var dcp = exec_state.debugCommandProcessor(false);
     50 
     51   // Generate request with the supplied arguments
     52   var request;
     53   if (arguments) {
     54     request = '{' + base_request + ',"arguments":' + arguments + '}';
     55   } else {
     56     request = '{' + base_request + '}'
     57   }
     58   var response = safeEval(dcp.processDebugJSONRequest(request));
     59   if (success) {
     60     assertTrue(response.success, request + ' -> ' + response.message);
     61     assertTrue(response.running, request + ' -> expected running');
     62   } else {
     63     assertFalse(response.success, request + ' -> ' + response.message);
     64     assertFalse(response.running, request + ' -> expected not running');
     65   }
     66 }
     67 
     68 function listener(event, exec_state, event_data, data) {
     69   try {
     70   if (event == Debug.DebugEvent.Break) {
     71 
     72     // Test simple continue request.
     73     testArguments(exec_state, void 0, true);
     74 
     75     // Test some illegal continue requests.
     76     testArguments(exec_state, '{"stepaction":"maybe"}', false);
     77     testArguments(exec_state, '{"stepcount":-1}', false);
     78 
     79     // Test some legal continue requests.
     80     testArguments(exec_state, '{"stepaction":"in"}', true);
     81     testArguments(exec_state, '{"stepaction":"min"}', true);
     82     testArguments(exec_state, '{"stepaction":"next"}', true);
     83     testArguments(exec_state, '{"stepaction":"out"}', true);
     84     testArguments(exec_state, '{"stepcount":1}', true);
     85     testArguments(exec_state, '{"stepcount":10}', true);
     86     testArguments(exec_state, '{"stepcount":"10"}', true);
     87     testArguments(exec_state, '{"stepaction":"next","stepcount":10}', true);
     88 
     89     // Indicate that all was processed.
     90     listenerComplete = true;
     91   }
     92   } catch (e) {
     93     exception = e
     94   };
     95 };
     96 
     97 // Add the debug event listener.
     98 Debug.setListener(listener);
     99 
    100 function f() {
    101   a=1
    102 };
    103 
    104 function g() {
    105   f();
    106 };
    107 
    108 // Set a break point and call to invoke the debug event listener.
    109 Debug.setBreakPoint(g, 0, 0);
    110 g();
    111 
    112 assertFalse(exception, "exception in listener")
    113 // Make sure that the debug event listener vas invoked.
    114 assertTrue(listenerComplete, "listener did not run to completion");
    115