debug-receiver.js 4.41 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Debug = debug.Debug;

var test_name;
var listener_delegate;
var listener_called;
var exception;
var expected_receiver;
var begin_test_count = 0;
var end_test_count = 0;
var break_count = 0;

// Debug event listener which delegates. Exceptions have to be
40
// explicitly caught here and checked later because exception in the
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68
// listener are not propagated to the surrounding JavaScript code.
function listener(event, exec_state, event_data, data) {
  try {
    if (event == Debug.DebugEvent.Break) {
      break_count++;
      listener_called = true;
      listener_delegate(exec_state);
    }
  } catch (e) {
    exception = e;
  }
}

// Add the debug event listener.
Debug.setListener(listener);


// Initialize for a new test.
function BeginTest(name) {
  test_name = name;
  listener_called = false;
  exception = null;
  begin_test_count++;
}


// Check result of a test.
function EndTest() {
69
  assertTrue(listener_called, "listener not called for " + test_name);
70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122
  assertNull(exception, test_name);
  end_test_count++;
}


// Check that the debugger correctly reflects that the receiver is not
// converted to object for strict mode functions.
function Strict() { "use strict"; debugger; }
function TestStrict(receiver) {
  expected_receiver = receiver;
  Strict.call(receiver);
}

listener_delegate = function(exec_state) {
  var receiver = exec_state.frame().receiver();
  assertEquals(expected_receiver, receiver.value())
}

BeginTest("strict: undefined"); TestStrict(undefined); EndTest();
BeginTest("strict: null"); TestStrict(null); EndTest();
BeginTest("strict: 1"); TestStrict(1); EndTest();
BeginTest("strict: 1.2"); TestStrict(1.2); EndTest();
BeginTest("strict: 'asdf'"); TestStrict('asdf'); EndTest();
BeginTest("strict: true"); TestStrict(true); EndTest();


// Check that the debugger correctly reflects the object conversion of
// the receiver for non-strict mode functions.
function NonStrict() { debugger; }
function TestNonStrict(receiver) {
  // null and undefined should be transformed to the global object and
  // primitives should be wrapped.
  expected_receiver = (receiver == null) ? this : Object(receiver);
  NonStrict.call(receiver);
}

listener_delegate = function(exec_state) {
  var receiver = exec_state.frame().receiver();
  assertEquals(expected_receiver, receiver.value());
}

BeginTest("non-strict: undefined"); TestNonStrict(undefined); EndTest();
BeginTest("non-strict: null"); TestNonStrict(null); EndTest();
BeginTest("non-strict: 1"); TestNonStrict(1); EndTest();
BeginTest("non-strict: 1.2"); TestNonStrict(1.2); EndTest();
BeginTest("non-strict: 'asdf'"); TestNonStrict('asdf'); EndTest();
BeginTest("non-strict: true"); TestNonStrict(true); EndTest();


assertEquals(begin_test_count, break_count,
             'one or more tests did not enter the debugger');
assertEquals(begin_test_count, end_test_count,
             'one or more tests did not have its result checked');