JezK
Edit File: debug-receiver.js
// 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. // Flags: --expose-debug-as debug // Get the Debug object exposed from the debug context global object. 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 // explictly caught here and checked later because exception in the // 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() { assertTrue(listener_called, "listerner not called for " + test_name); 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(); assertTrue(!receiver.isObject()); 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(); assertTrue(receiver.isObject()); 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');