JezK
Edit File: debug-listbreakpoints.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. // Note: The following function g() is purposedly placed here so that // its line numbers will not change should we add more lines of test code // below. The test checks for these line numbers. function g() { // line 40 var x = 5; var y = 6; var z = 7; }; var first_lineno = 40; // Must be the line number of g() above. // The first line of the file is line 0. // Simple function which stores the last debug event. listenerComplete = false; exception = false; var breakpoint1 = -1; var base_request = '"seq":0,"type":"request","command":"listbreakpoints"' function safeEval(code) { try { return eval('(' + code + ')'); } catch (e) { assertEquals(void 0, e); return undefined; } } function clearBreakpoint(dcp, breakpoint_id) { var base_request = '"seq":0,"type":"request","command":"clearbreakpoint"' var arguments = '{"breakpoint":' + breakpoint_id + '}' var request = '{' + base_request + ',"arguments":' + arguments + '}' var json_response = dcp.processDebugJSONRequest(request); } function setBreakOnException(dcp, type, enabled) { var base_request = '"seq":0,"type":"request","command":"setexceptionbreak"' var arguments = '{"type":"' + type + '","enabled":' + enabled + '}' var request = '{' + base_request + ',"arguments":' + arguments + '}' var json_response = dcp.processDebugJSONRequest(request); } function testArguments(dcp, success, breakpoint_ids, breakpoint_linenos, break_on_all, break_on_uncaught) { var request = '{' + base_request + '}' var json_response = dcp.processDebugJSONRequest(request); var response = safeEval(json_response); var num_breakpoints = breakpoint_ids.length; if (success) { assertTrue(response.success, json_response); assertEquals(response.body.breakpoints.length, num_breakpoints); if (num_breakpoints > 0) { var breakpoints = response.body.breakpoints; for (var i = 0; i < breakpoints.length; i++) { var id = breakpoints[i].number; var found = false; for (var j = 0; j < num_breakpoints; j++) { if (breakpoint_ids[j] == id) { assertEquals(breakpoints[i].line, breakpoint_linenos[j]); found = true; break; } } assertTrue(found, "found unexpected breakpoint " + id); } } assertEquals(response.body.breakOnExceptions, break_on_all); assertEquals(response.body.breakOnUncaughtExceptions, break_on_uncaught); } 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 with the 1 breakpoint already set: testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false); setBreakOnException(dcp, "all", true); testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, false); setBreakOnException(dcp, "uncaught", true); testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, true); setBreakOnException(dcp, "all", false); testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, true); setBreakOnException(dcp, "uncaught", false); testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false); // Clear the one breakpoint and retest: clearBreakpoint(dcp, breakpoint1); testArguments(dcp, true, [], [], false, false); setBreakOnException(dcp, "all", true); testArguments(dcp, true, [], [], true, false); setBreakOnException(dcp, "uncaught", true); testArguments(dcp, true, [], [], true, true); setBreakOnException(dcp, "all", false); testArguments(dcp, true, [], [], false, true); setBreakOnException(dcp, "uncaught", false); testArguments(dcp, true, [], [], false, false); // Set some more breakpoints, and clear them in various orders: var bp2 = Debug.setBreakPoint(g, 1, 0); testArguments(dcp, true, [ bp2 ], [ first_lineno + 1 ], false, false); var bp3 = Debug.setBreakPoint(g, 2, 0); testArguments(dcp, true, [ bp2, bp3 ], [ first_lineno + 1, first_lineno + 2 ], false, false); var bp4 = Debug.setBreakPoint(g, 3, 0); testArguments(dcp, true, [ bp2, bp3, bp4 ], [ first_lineno + 1, first_lineno + 2, first_lineno + 3 ], false, false); clearBreakpoint(dcp, bp3); testArguments(dcp, true, [ bp2, bp4 ], [ first_lineno + 1, first_lineno + 3 ], false, false); clearBreakpoint(dcp, bp4); testArguments(dcp, true, [ bp2 ], [ first_lineno + 1 ], false, false); var bp5 = Debug.setBreakPoint(g, 3, 0); testArguments(dcp, true, [ bp2, bp5 ], [ first_lineno + 1, first_lineno + 3 ], false, false); clearBreakpoint(dcp, bp2); testArguments(dcp, true, [ bp5 ], [ first_lineno + 3 ], false, false); clearBreakpoint(dcp, bp5); testArguments(dcp, true, [], [], false, false); // Indicate that all was processed. listenerComplete = true; } } catch (e) { exception = e }; }; // Add the debug event listener. Debug.setListener(listener); // Set a break point and call to invoke the debug event listener. breakpoint1 = 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");