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// 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");
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