JezK
Edit File: debug-mirror-cache.js
// Copyright 2008 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 // The functions used for testing backtraces. They are at the top to make the // testing of source line/column easier. function f(x, y) { a=1; }; function g() { new f(1); }; // Get the Debug object exposed from the debug context global object. Debug = debug.Debug listenerCallCount = 0; listenerExceptions = []; function listener(event, exec_state, event_data, data) { try { if (event == Debug.DebugEvent.Break) { listenerCallCount++; // Check that mirror cache is cleared when entering debugger. assertEquals(0, debug.next_handle_, "Mirror cache not cleared"); assertEquals(0, debug.mirror_cache_.length, "Mirror cache not cleared"); // Get the debug command processor in paused state. var dcp = exec_state.debugCommandProcessor(false); // Make a backtrace request to create some mirrors. var json; json = '{"seq":0,"type":"request","command":"backtrace"}' dcp.processDebugJSONRequest(json); // Some mirrors where cached. assertFalse(debug.next_handle_ == 0, "Mirror cache not used"); assertFalse(debug.mirror_cache_.length == 0, "Mirror cache not used"); } } catch (e) { print(e); listenerExceptions.push(e); }; }; // Add the debug event listener. Debug.setListener(listener); // Enter the debugger twice. debugger; debugger; assertEquals([], listenerExceptions, "Exception in listener"); // Make sure that the debug event listener vas invoked. assertEquals(2, listenerCallCount, "Listener not called");