v8/test/mjsunit/debug-clearbreakpointgroup.js

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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
// Flags: --turbo-deoptimization
// Get the Debug object exposed from the debug context global object.
var Debug = debug.Debug
// Simple function which stores the last debug event.
var listenerComplete = false;
var exception = false;
var base_request = '"seq":0,"type":"request","command":"clearbreakpointgroup"';
var scriptId = null;
var muteListener = false;
function safeEval(code) {
try {
muteListener = true;
return eval('(' + code + ')');
} catch (e) {
assertEquals(void 0, e);
return undefined;
} finally {
muteListener = false;
}
}
function testArguments(dcp, arguments, success) {
var request = '{' + base_request + ',"arguments":' + arguments + '}'
var json_response = dcp.processDebugJSONRequest(request);
var response = safeEval(json_response);
if (success) {
assertTrue(response.success, json_response);
} else {
assertFalse(response.success, json_response);
}
}
function listener(event, exec_state, event_data, data) {
if (muteListener) return;
try {
if (event == Debug.DebugEvent.Break) {
// Get the debug command processor.
var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
// Clear breakpoint group 1.
testArguments(dcp, '{"groupId":1}', true);
// Indicate that all was processed.
listenerComplete = true;
} else if (event == Debug.DebugEvent.AfterCompile) {
scriptId = event_data.script().id();
assertEquals(source, event_data.script().source());
}
} catch (e) {
exception = e
};
};
// Add the debug event listener.
Debug.setListener(listener);
var source = 'function f(n) {\nreturn n+1;\n}\nfunction g() {return f(10);}' +
'\nvar r = g(); g;';
eval(source);
assertNotNull(scriptId);
var groupId1 = 1;
var groupId2 = 2;
// Set a break point and call to invoke the debug event listener.
var bp1 = Debug.setScriptBreakPointById(scriptId, 1, null, null, groupId1);
var bp2 = Debug.setScriptBreakPointById(scriptId, 1, null, null, groupId2);
var bp3 = Debug.setScriptBreakPointById(scriptId, 1, null, null, null);
var bp4 = Debug.setScriptBreakPointById(scriptId, 3, null, null, groupId1);
var bp5 = Debug.setScriptBreakPointById(scriptId, 4, null, null, groupId2);
assertEquals(5, Debug.scriptBreakPoints().length);
// Call function 'g' from the compiled script to trigger breakpoint.
g();
// Make sure that the debug event listener vas invoked.
assertTrue(listenerComplete,
"listener did not run to completion: " + exception);
var breakpoints = Debug.scriptBreakPoints();
assertEquals(3, breakpoints.length);
var breakpointNumbers = breakpoints.map(
function(scriptBreakpoint) { return scriptBreakpoint.number(); },
breakpointNumbers);
// Check that all breakpoints from group 1 were deleted and all the
// rest are preserved.
assertEquals([bp2, bp3, bp5].sort(), breakpointNumbers.sort());
assertFalse(exception, "exception in listener");
// Clear all breakpoints to allow the test to run again (--stress-opt).
Debug.clearBreakPoint(bp2);
Debug.clearBreakPoint(bp3);
Debug.clearBreakPoint(bp5);