The test bounded gdb with a backgrounded watchdog:
( sleep 120; kill -9 "$GDB_PID" 2>/dev/null ) &
WATCHDOG_PID=$!
wait "$GDB_PID"
kill "$WATCHDOG_PID" 2>/dev/null
sleep runs as a child of the subshell, so killing the subshell leaves the
sleep orphaned -- and the orphan still holds the write end of whatever this
script's stdout is. Run from a terminal that costs nothing. Run through a
pipe, which is how CTest invokes it, the reader sees no EOF until the sleep
expires, so every run lasted the full 120 seconds regardless of how fast
gdb finished. gdb itself takes ten.
That made modal_quit_regression 92% of the runtime of the entire ctest
suite (122 s of 133 s) and left it 60 s short of its own 180 s CTest
timeout -- near enough that a loaded CI machine could have turned it into
a flaky failure in somebody else's build.
Use timeout(1) instead, which leaves nothing behind, with a plain gdb call
as a fallback where it is unavailable. Suite time drops to 12 s.
Verified on the merged branch: fixed build passes both the .qet and the
read-only .elmt scenario, and with the fix commit reverted both still fail
with signal 6, under ~QETDiagramEditor() and ~QETElementEditor()
respectively.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
The test added with the #904 fix was run by hand. Register it so it runs
with the rest of the suite, and fix two defects found while extending it
to the element editor -- both of which made it report success it had not
earned.
nm -C "$BINARY" | grep -q <sym> under `set -o pipefail`: grep exits at the
first match, nm dies of SIGPIPE, and the pipeline reports failure. The
symbol check therefore skipped the test on every build that could actually
run it. Read nm's output into a variable once and match with `case`.
The input file was copied to a hardcoded "$SANDBOX/project.qet".
QElectroTech picks the editor from the extension, so passing a .elmt gave
a failed project load in the diagram editor rather than an element editor
-- the run still found a dialog, still called quitQET(), and still
reported a result, just for the wrong window. Preserve the basename.
With that fixed, the element-editor path is exercised on its own: a
read-only .elmt opens a message box, and on a build without the fix the
run aborts with "double free or corruption" under ~QETElementEditor(),
where before it named ~QETDiagramEditor(). The guard QETElementEditor
calls from its closeEvent() covers a real crash, not a theoretical one.
Registered on Linux only, and it reports 77 -- CTest's SKIP_RETURN_CODE --
when it cannot run at all: no gdb, a gdb built without Python, or a
stripped binary whose QETApp symbols it cannot call. A release build that
this test cannot drive is not a failing build.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
openAndAddProject() shows BackupDialog as a stack object parented to the
editor and exec()s it; every QET::QetMessageBox does the same. exec() runs a
nested event loop, and closing the editor during it turns WA_DeleteOnClose
into a deleteLater() that the nested loop processes: ~QWidget() deletes the
editor's children, the stack-allocated dialog among them, and the process
aborts. Reported on macOS, where File > Quit lives in the application menu
and stays usable while the backup question is up.
The close is now refused while any modal widget is active, and the dialog is
raised so the refused quit is not silent. It is done in QETMainWindow::event()
rather than in closeEvent(), because QETDiagramEditor::closeEvent() starts
closing projects before it decides whether to accept. That covers the diagram
and title-block editors; QETElementEditor is a plain QMainWindow, so its
closeEvent() calls the same helper before canClose(), which itself opens a
modal. QETApp::quitQET() needs nothing: closeEveryEditor() goes through each
editor's close(), and quitQET() already only quits when every close succeeded.
Rejected alternatives, both suggested on the issue:
- Giving the dialog no parent stops the abort but not the deletion. One
caller of openAndAddProject() is the editor's own constructor, which goes
on to open the next file and call slot_updateActions() on this -- a loud
abort would become a silent use-after-free.
- Guarding only QETApp::closeEveryEditor(), which I first recommended on the
issue, misses the reported route entirely: File > Quit is connected to
QETDiagramEditor::close(), not to quitQET().
Verified on Linux, where there is nothing to click (the menu bar belongs to
the blocked window, and Qt ignores window-manager close requests for it), by
calling close() from gdb while the dialog's loop was running -- both
QETApp::quitQET() and QWidget::close() on the editor. Unfixed, both abort
with "free(): invalid size" in QObjectPrivate::deleteChildren() under
~QETDiagramEditor(), matching the report frame for frame; fixed, close()
returns false, the editor and the dialog stay up, and after answering the
dialog Ctrl+Q exits normally. The element-editor guard is the same helper
but was not exercised separately.
tests/modal-quit-regression/ turns that into a gate: it breaks on
QDialog::exec(), interrupts inside the nested loop, calls quitQET() and
checks the process survives. It matches no window titles (translated) and no
window ids, runs on the offscreen platform, and needs only gdb with Python.
Checked both ways: exit 1 with the backtrace above on a build without this
change, exit 0 with it.
ctest 8/8.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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