v8/test/mjsunit/debug-step-3.js
sgjesse@chromium.org a58c963c67 Reapply "Support for precise stepping in functions compiled before debugging was started (step 2)"
This is reapplying r9501 with this single change which seemed to be causing most (all) of the failures for r9501.

--- a/src/debug.cc
+++ b/src/debug.cc
@@ -2230,6 +2230,7 @@ Debugger::Debugger(Isolate* isolate)
       compiling_natives_(false),
       is_loading_debugger_(false),
       never_unload_debugger_(false),
+      force_debugger_active_(true),
       message_handler_(NULL),
       debugger_unload_pending_(false),
       host_dispatch_handler_(NULL),

R=kmillikin@chromium.org

BUG=
TEST=

Review URL: http://codereview.chromium.org//8337009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9684 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-10-18 13:40:33 +00:00

94 lines
3.1 KiB
JavaScript

// Copyright 2011 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
// This test tests that full code compiled without debug break slots
// is recompiled with debug break slots when debugging is started.
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
var bp;
var done = false;
var step_count = 0;
var set_bp = false
// Debug event listener which steps until the global variable done is true.
function listener(event, exec_state, event_data, data) {
if (event == Debug.DebugEvent.Break) {
if (!done) exec_state.prepareStep(Debug.StepAction.StepNext);
step_count++;
}
};
// Set the global variables state to prpare the stepping test.
function prepare_step_test() {
done = false;
step_count = 0;
}
// Test function to step through.
function f() {
var a = 0;
if (set_bp) { bp = Debug.setBreakPoint(f, 3); }
var i = 1;
var j = 2;
done = true;
};
prepare_step_test();
f();
// Add the debug event listener.
Debug.setListener(listener);
// Make f set a breakpoint with an activation on the stack.
prepare_step_test();
set_bp = true;
f();
assertEquals(4, step_count);
Debug.clearBreakPoint(bp);
// Set a breakpoint on the first var statement (line 1).
set_bp = false;
bp = Debug.setBreakPoint(f, 3);
// Step through the function ensuring that the var statements are hit as well.
prepare_step_test();
f();
assertEquals(4, step_count);
// Clear the breakpoint and check that no stepping happens.
Debug.clearBreakPoint(bp);
prepare_step_test();
f();
assertEquals(0, step_count);
// Get rid of the debug event listener.
Debug.setListener(null);