Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1 | // Copyright 2011 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 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 28 | // Flags: --expose-debug-as debug |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 29 | // Get the Debug object exposed from the debug context global object. |
| 30 | Debug = debug.Debug; |
| 31 | |
| 32 | var test_name; |
| 33 | var listener_delegate; |
| 34 | var listener_called; |
| 35 | var exception; |
| 36 | var expected_receiver; |
| 37 | var begin_test_count = 0; |
| 38 | var end_test_count = 0; |
| 39 | var break_count = 0; |
| 40 | |
| 41 | // Debug event listener which delegates. Exceptions have to be |
| 42 | // explictly caught here and checked later because exception in the |
| 43 | // listener are not propagated to the surrounding JavaScript code. |
| 44 | function listener(event, exec_state, event_data, data) { |
| 45 | try { |
| 46 | if (event == Debug.DebugEvent.Break) { |
| 47 | break_count++; |
| 48 | listener_called = true; |
| 49 | listener_delegate(exec_state); |
| 50 | } |
| 51 | } catch (e) { |
| 52 | exception = e; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | // Add the debug event listener. |
| 57 | Debug.setListener(listener); |
| 58 | |
| 59 | |
| 60 | // Initialize for a new test. |
| 61 | function BeginTest(name) { |
| 62 | test_name = name; |
| 63 | listener_called = false; |
| 64 | exception = null; |
| 65 | begin_test_count++; |
| 66 | } |
| 67 | |
| 68 | |
| 69 | // Check result of a test. |
| 70 | function EndTest() { |
| 71 | assertTrue(listener_called, "listerner not called for " + test_name); |
| 72 | assertNull(exception, test_name); |
| 73 | end_test_count++; |
| 74 | } |
| 75 | |
| 76 | |
| 77 | // Check that the debugger correctly reflects that the receiver is not |
| 78 | // converted to object for strict mode functions. |
| 79 | function Strict() { "use strict"; debugger; } |
| 80 | function TestStrict(receiver) { |
| 81 | expected_receiver = receiver; |
| 82 | Strict.call(receiver); |
| 83 | } |
| 84 | |
| 85 | listener_delegate = function(exec_state) { |
| 86 | var receiver = exec_state.frame().receiver(); |
| 87 | assertTrue(!receiver.isObject()); |
| 88 | assertEquals(expected_receiver, receiver.value()) |
| 89 | } |
| 90 | |
| 91 | BeginTest("strict: undefined"); TestStrict(undefined); EndTest(); |
| 92 | BeginTest("strict: null"); TestStrict(null); EndTest(); |
| 93 | BeginTest("strict: 1"); TestStrict(1); EndTest(); |
| 94 | BeginTest("strict: 1.2"); TestStrict(1.2); EndTest(); |
| 95 | BeginTest("strict: 'asdf'"); TestStrict('asdf'); EndTest(); |
| 96 | BeginTest("strict: true"); TestStrict(true); EndTest(); |
| 97 | |
| 98 | |
| 99 | // Check that the debugger correctly reflects the object conversion of |
| 100 | // the receiver for non-strict mode functions. |
| 101 | function NonStrict() { debugger; } |
| 102 | function TestNonStrict(receiver) { |
| 103 | // null and undefined should be transformed to the global object and |
| 104 | // primitives should be wrapped. |
| 105 | expected_receiver = (receiver == null) ? this : Object(receiver); |
| 106 | NonStrict.call(receiver); |
| 107 | } |
| 108 | |
| 109 | listener_delegate = function(exec_state) { |
| 110 | var receiver = exec_state.frame().receiver(); |
| 111 | assertTrue(receiver.isObject()); |
| 112 | assertEquals(expected_receiver, receiver.value()); |
| 113 | } |
| 114 | |
| 115 | BeginTest("non-strict: undefined"); TestNonStrict(undefined); EndTest(); |
| 116 | BeginTest("non-strict: null"); TestNonStrict(null); EndTest(); |
| 117 | BeginTest("non-strict: 1"); TestNonStrict(1); EndTest(); |
| 118 | BeginTest("non-strict: 1.2"); TestNonStrict(1.2); EndTest(); |
| 119 | BeginTest("non-strict: 'asdf'"); TestNonStrict('asdf'); EndTest(); |
| 120 | BeginTest("non-strict: true"); TestNonStrict(true); EndTest(); |
| 121 | |
| 122 | |
| 123 | assertEquals(begin_test_count, break_count, |
| 124 | 'one or more tests did not enter the debugger'); |
| 125 | assertEquals(begin_test_count, end_test_count, |
| 126 | 'one or more tests did not have its result checked'); |