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Edit File: debug-setexceptionbreak.js
// Copyright 2010 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 // Note: the following tests only checks the debugger handling of the // setexceptionbreak command. It does not test whether the debugger // actually breaks on exceptions or not. That functionality is tested // in test-debug.cc instead. // Simple function which stores the last debug event. listenerComplete = false; exception = false; var breakpoint = -1; var base_request = '"seq":0,"type":"request","command":"setexceptionbreak"' function safeEval(code) { try { return eval('(' + code + ')'); } catch (e) { assertEquals(void 0, e); return undefined; } } function testArguments(dcp, arguments, success, type, enabled) { var request = '{' + base_request + ',"arguments":' + arguments + '}' var json_response = dcp.processDebugJSONRequest(request); var response = safeEval(json_response); if (success) { assertTrue(response.success, json_response); assertEquals(response.body.type, type); assertEquals(response.body.enabled, enabled); } else { assertFalse(response.success, json_response); } } function listener(event, exec_state, event_data, data) { try { if (event == Debug.DebugEvent.Break) { // Get the debug command processor. var dcp = exec_state.debugCommandProcessor("unspecified_running_state"); // Test some illegal setexceptionbreak requests. var request = '{' + base_request + '}' var response = safeEval(dcp.processDebugJSONRequest(request)); assertFalse(response.success); testArguments(dcp, '{}', false); testArguments(dcp, '{"type":0}', false); // Test some legal setexceptionbreak requests with default. // Note: by default, break on exceptions should be disabled. Hence, // the first time, we send the command with no enabled arg, the debugger // should toggle it on. The second time, it should toggle it off. testArguments(dcp, '{"type":"all"}', true, "all", true); testArguments(dcp, '{"type":"all"}', true, "all", false); testArguments(dcp, '{"type":"uncaught"}', true, "uncaught", true); testArguments(dcp, '{"type":"uncaught"}', true, "uncaught", false); // Test some legal setexceptionbreak requests with explicit enabled arg. testArguments(dcp, '{"type":"all","enabled":true}', true, "all", true); testArguments(dcp, '{"type":"all","enabled":false}', true, "all", false); testArguments(dcp, '{"type":"uncaught","enabled":true}', true, "uncaught", true); testArguments(dcp, '{"type":"uncaught","enabled":false}', true, "uncaught", false); // Indicate that all was processed. listenerComplete = true; } } catch (e) { exception = e }; }; // Add the debug event listener. Debug.setListener(listener); function g() {}; // Set a break point and call to invoke the debug event listener. breakpoint = Debug.setBreakPoint(g, 0, 0); g(); // Make sure that the debug event listener vas invoked. assertFalse(exception, "exception in listener") assertTrue(listenerComplete, "listener did not run to completion");