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// 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
listenerComplete = false;
exception = false;
// The base part of all evaluate requests.
var base_request = '"seq":0,"type":"request","command":"evaluate"'
function safeEval(code) {
try {
return eval('(' + code + ')');
} catch (e) {
assertEquals(void 0, e);
return undefined;
}
}
function testRequest(dcp, arguments, success, result) {
// Generate request with the supplied arguments.
var request;
if (arguments) {
request = '{' + base_request + ',"arguments":' + arguments + '}';
} else {
request = '{' + base_request + '}'
}
var response = safeEval(dcp.processDebugJSONRequest(request));
if (success) {
assertTrue(response.success, request + ' -> ' + response.message);
assertEquals(result, response.body.value);
} else {
assertFalse(response.success, request + ' -> ' + response.message);
}
assertFalse(response.running, request + ' -> expected not running');
}
// Event listener which evaluates with break disabled.
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break)
{
// Call functions with break using the FrameMirror directly.
assertEquals(1, exec_state.evaluateGlobal('f()', true).value());
assertEquals(2, exec_state.evaluateGlobal('g()', true).value());
assertEquals(1, exec_state.frame(0).evaluate('f()', true).value());
assertEquals(2, exec_state.frame(0).evaluate('g()', true).value());
// Get the debug command processor.
var dcp = exec_state.debugCommandProcessor();
// Call functions with break using the JSON protocol. Tests that argument
// disable_break is default true.
testRequest(dcp, '{"expression":"f()"}', true, 1);
testRequest(dcp, '{"expression":"f()","frame":0}', true, 1);
testRequest(dcp, '{"expression":"g()"}', true, 2);
testRequest(dcp, '{"expression":"g()","frame":0}', true, 2);
// Call functions with break using the JSON protocol. Tests passing
// argument disable_break is default true.
testRequest(dcp, '{"expression":"f()","disable_break":true}', true, 1);
testRequest(dcp, '{"expression":"f()","frame":0,"disable_break":true}',
true, 1);
testRequest(dcp, '{"expression":"g()","disable_break":true}', true, 2);
testRequest(dcp, '{"expression":"g()","frame":0,"disable_break":true}',
true, 2);
// Indicate that all was processed.
listenerComplete = true;
}
} catch (e) {
exception = e
};
};
// Event listener which evaluates with break enabled one time and the second
// time evaluates with break disabled.
var break_count = 0;
function listener_recurse(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break)
{
break_count++;
// Call functions with break using the FrameMirror directly.
if (break_count == 1) {
// First break event evaluates with break enabled.
assertEquals(1, exec_state.frame(0).evaluate('f()', false).value());
listenerComplete = true;
} else {
// Second break event evaluates with break disabled.
assertEquals(2, break_count);
assertFalse(listenerComplete);
assertEquals(1, exec_state.frame(0).evaluate('f()', true).value());
}
}
} catch (e) {
exception = e
};
};
// Add the debug event listener.
Debug.setListener(listener);
// Test functions - one with break point and one with debugger statement.
function f() {
return 1;
};
function g() {
debugger;
return 2;
};
Debug.setBreakPoint(f, 2, 0);
// Cause a debug break event.
debugger;
// Make sure that the debug event listener vas invoked.
assertTrue(listenerComplete);
assertFalse(exception, "exception in listener")
// Remove the debug event listener.
Debug.setListener(null);
// Set debug event listener wich uses recursive breaks.
Debug.setListener(listener_recurse);
listenerComplete = false;
Debug.setBreakPoint(f, 2, 0);
debugger;
// Make sure that the debug event listener vas invoked.
assertTrue(listenerComplete);
assertFalse(exception, "exception in listener")
assertEquals(2, break_count);
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