https://bugreports.qt.io/browse/QTBUG-67702 explains that sending mouse move
and release events outside of a window causes warnings:
void Test::test_case1()
{
QWindow window;
window.resize(400, 400);
// Start inside and drag outside (e.g. moving a selection to the edge of a
// canvas should scroll the canvas).
QTest::mousePress(&window, Qt::LeftButton, Qt::NoModifier, QPoint(200,
200));
const QRegularExpression regex(".*Mouse event at .* occurs outside of
target window.*");
QVERIFY(regex.isValid());
const QRegularExpressionMatch match(regex.match("Mouse event at 600, 600
occurs outside of target window (400x400)."));
QVERIFY(match.hasMatch());
QTest::ignoreMessage(QtWarningMsg, regex);
QTest::mouseMove(&window, QPoint(600, 600));
QTest::ignoreMessage(QtWarningMsg, regex);
QTest::mouseRelease(&window, Qt::LeftButton, Qt::NoModifier, QPoint(600,
600));
}
Output:
********* Start testing of Test *********
Config: Using QtTest library 5.11.0, Qt 5.11.0 (x86_64-little_endian-llp64
shared (dynamic) debug build; by MSVC 2017)
PASS : Test::initTestCase()
WARNING: Test::test_case1() Mouse event at 600, 600 occurs outside of target
window (400x400).
WARNING: Test::test_case1() Mouse event at 600, 600 occurs outside of target
window (400x400).
INFO : Test::test_case1() Did not receive any message matching: ".*Mouse
event at .* occurs outside of target window.*"
INFO : Test::test_case1() Did not receive any message matching: ".*Mouse
event at .* occurs outside of target window.*"
FAIL! : Test::test_case1() Not all expected messages were received
PASS : Test::cleanupTestCase()
Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 1ms
********* Finished testing of Test *********
Mouse move and release events occurring outside of a window is not uncommon, so
there should be a way to disable these warnings.
Using QTest::ignoreWarning() has no effect here, because the message logger
system is (probably intentionally) bypassed.
Does anyone know why this is the case?
Also, does anyone have any ideas about how to solve this?
One suggestion was QTest::mouse*OutsideWindow(), which would work, but could be
a bit cumbersome if you need to switch from mouseMove to mouseMoveOutsideWindow
halfway through a "drag" loop.
Another idea could be to have a flag or construct that only applies for the
duration of a test function, and is reset at the end of that function. I think
something like this could also be useful for the opposite use case: failing a
test upon any warnings (something that would be useful for QML applications).
Something like https://codereview.qt-project.org/#/c/89178/ except it's
automatically reset for you at the end of each test.
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