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Edit File: debug-setbreakpoint.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 // Get the Debug object exposed from the debug context global object. Debug = debug.Debug // Simple function which stores the last debug event. var listenerComplete = false; var exception = false; var f_script_id = 0; var g_script_id = 0; var h_script_id = 0; var f_line = 0; var g_line = 0; var base_request = '"seq":0,"type":"request","command":"setbreakpoint"' function safeEval(code) { try { return eval('(' + code + ')'); } catch (e) { assertEquals(void 0, e); return undefined; } } function testArguments(dcp, arguments, success, is_script) { var request = '{' + base_request + ',"arguments":' + arguments + '}' var json_response = dcp.processDebugJSONRequest(request); var response = safeEval(json_response); if (success) { assertTrue(response.success, request + ' -> ' + json_response); if (is_script) { assertEquals('scriptName', response.body.type, request + ' -> ' + json_response); } else { assertEquals('scriptId', response.body.type, request + ' -> ' + json_response); } } else { assertFalse(response.success, request + ' -> ' + json_response); } return 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 setbreakpoint requests. var request = '{' + base_request + '}' var response = safeEval(dcp.processDebugJSONRequest(request)); assertFalse(response.success); var mirror; testArguments(dcp, '{}', false); testArguments(dcp, '{"type":"xx"}', false); testArguments(dcp, '{"type":"function"}', false); testArguments(dcp, '{"type":"script"}', false); testArguments(dcp, '{"target":"f"}', false); testArguments(dcp, '{"type":"xx","target":"xx"}', false); testArguments(dcp, '{"type":"function","target":1}', false); testArguments(dcp, '{"type":"function","target":"f","line":-1}', false); testArguments(dcp, '{"type":"function","target":"f","column":-1}', false); testArguments(dcp, '{"type":"function","target":"f","ignoreCount":-1}', false); testArguments(dcp, '{"type":"handle","target":"-1"}', false); mirror = debug.MakeMirror(o); testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', false); // Test some legal setbreakpoint requests. testArguments(dcp, '{"type":"function","target":"f"}', true, false); testArguments(dcp, '{"type":"function","target":"h"}', true, false); testArguments(dcp, '{"type":"function","target":"f","line":1}', true, false); testArguments(dcp, '{"type":"function","target":"f","position":1}', true, false); testArguments(dcp, '{"type":"function","target":"f","condition":"i == 1"}', true, false); testArguments(dcp, '{"type":"function","target":"f","enabled":true}', true, false); testArguments(dcp, '{"type":"function","target":"f","enabled":false}', true, false); testArguments(dcp, '{"type":"function","target":"f","ignoreCount":7}', true, false); testArguments(dcp, '{"type":"script","target":"test"}', true, true); testArguments(dcp, '{"type":"script","target":"test"}', true, true); testArguments(dcp, '{"type":"script","target":"test","line":1}', true, true); testArguments(dcp, '{"type":"script","target":"test","column":1}', true, true); testArguments(dcp, '{"type":"scriptId","target":' + f_script_id + ',"line":' + f_line + '}', true, false); testArguments(dcp, '{"type":"scriptId","target":' + g_script_id + ',"line":' + g_line + '}', true, false); testArguments(dcp, '{"type":"scriptId","target":' + h_script_id + ',"line":' + h_line + '}', true, false); mirror = debug.MakeMirror(f); testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', true, false); mirror = debug.MakeMirror(o.a); testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', true, false); testArguments(dcp, '{"type":"script","target":"sourceUrlScript","line":0}', true, true); // Set a break point on a line with the comment, and check that actual position // is the next line after the comment. request = '{"type":"scriptId","target":' + g_script_id + ',"line":' + (g_line + 1) + '}'; response = testArguments(dcp, request, true, false); assertEquals(g_line + 2, response.body.actual_locations[0].line); // Indicate that all was processed. listenerComplete = true; } } catch (e) { exception = e }; }; // Add the debug event listener. Debug.setListener(listener); function f() { a=1 }; function g() { // Comment. f(); }; eval('function h(){}'); eval('function sourceUrlFunc() { a = 2; }\n//@ sourceURL=sourceUrlScript'); o = {a:function(){},b:function(){}} // Check the script ids for the test functions. f_script_id = Debug.findScript(f).id; g_script_id = Debug.findScript(g).id; h_script_id = Debug.findScript(h).id; sourceURL_script_id = Debug.findScript(sourceUrlFunc).id; assertTrue(f_script_id > 0, "invalid script id for f"); assertTrue(g_script_id > 0, "invalid script id for g"); assertTrue(h_script_id > 0, "invalid script id for h"); assertTrue(sourceURL_script_id > 0, "invalid script id for sourceUrlFunc"); assertEquals(f_script_id, g_script_id); // Get the source line for the test functions. f_line = Debug.findFunctionSourceLocation(f).line; g_line = Debug.findFunctionSourceLocation(g).line; h_line = Debug.findFunctionSourceLocation(h).line; assertTrue(f_line > 0, "invalid line for f"); assertTrue(g_line > 0, "invalid line for g"); assertTrue(f_line < g_line); assertEquals(h_line, 0, "invalid line for h"); // Set a break point and call to invoke the debug event listener. Debug.setBreakPoint(g, 0, 0); g(); // Make sure that the debug event listener was invoked. assertTrue(listenerComplete, "listener did not run to completion: " + exception); // Try setting breakpoint by url specified in sourceURL var breakListenerCalled = false; function breakListener(event) { if (event == Debug.DebugEvent.Break) breakListenerCalled = true; } Debug.setListener(breakListener); sourceUrlFunc(); assertTrue(breakListenerCalled, "Break listener not called on breakpoint set by sourceURL"); // Breakpoint in a script with no statements test case. If breakpoint is set // to the script body, its actual position is taken from the nearest statement // below or like in this case is reset to the very end of the script. // Unless some precautions made, this position becomes out-of-range and // we get an exception. // Gets a script of 'i1' function and sets the breakpoint at line #4 which // should be empty. function SetBreakpointInI1Script() { var i_script = Debug.findScript(i1); assertTrue(!!i_script, "invalid script for i1"); Debug.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId, i_script.id, 4); } // Creates the eval script and tries to set the breakpoint. // The tricky part is that the script function must be strongly reachable at the // moment. Since there's no way of simply getting the pointer to the function, // we run this code while the script function is being activated on stack. eval('SetBreakpointInI1Script()\nfunction i1(){}\n\n\n\nfunction i2(){}\n');