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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 var Debug = debug.Debug
     31 
     32 // Simple function which stores the last debug event.
     33 var listenerComplete = false;
     34 var exception = false;
     35 
     36 var base_request = '"seq":0,"type":"request","command":"clearbreakpointgroup"';
     37 var scriptId = null;
     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       // Clear breakpoint group 1.
     66       testArguments(dcp, '{"groupId":1}', true);
     67 
     68       // Indicate that all was processed.
     69       listenerComplete = true;
     70     } else if (event == Debug.DebugEvent.AfterCompile) {
     71       scriptId = event_data.script().id();
     72       assertEquals(source, event_data.script().source());
     73     }
     74   } catch (e) {
     75     exception = e
     76   };
     77 };
     78 
     79 
     80 // Add the debug event listener.
     81 Debug.setListener(listener);
     82 
     83 var source = 'function f(n) {\nreturn n+1;\n}\nfunction g() {return f(10);}' +
     84              '\nvar r = g(); g;';
     85 eval(source);
     86 
     87 assertNotNull(scriptId);
     88 
     89 var groupId1 = 1;
     90 var groupId2 = 2;
     91 // Set a break point and call to invoke the debug event listener.
     92 var bp1 = Debug.setScriptBreakPointById(scriptId, 1, null, null, groupId1);
     93 var bp2 = Debug.setScriptBreakPointById(scriptId, 1, null, null, groupId2);
     94 var bp3 = Debug.setScriptBreakPointById(scriptId, 1, null, null, null);
     95 var bp4 = Debug.setScriptBreakPointById(scriptId, 3, null, null, groupId1);
     96 var bp5 = Debug.setScriptBreakPointById(scriptId, 4, null, null, groupId2);
     97 
     98 assertEquals(5, Debug.scriptBreakPoints().length);
     99 
    100 // Call function 'g' from the compiled script to trigger breakpoint.
    101 g();
    102 
    103 // Make sure that the debug event listener vas invoked.
    104 assertTrue(listenerComplete,
    105            "listener did not run to completion: " + exception);
    106 
    107 var breakpoints = Debug.scriptBreakPoints();
    108 assertEquals(3, breakpoints.length);
    109 var breakpointNumbers = breakpoints.map(
    110     function(scriptBreakpoint) { return scriptBreakpoint.number(); },
    111     breakpointNumbers);
    112 
    113 // Check that all breakpoints from group 1 were deleted and all the
    114 // rest are preserved.
    115 assertEquals([bp2, bp3, bp5].sort(), breakpointNumbers.sort());
    116 
    117 assertFalse(exception, "exception in listener");
    118 
    119 // Clear all breakpoints to allow the test to run again (--stress-opt).
    120 Debug.clearBreakPoint(bp2);
    121 Debug.clearBreakPoint(bp3);
    122 Debug.clearBreakPoint(bp5);
    123