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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <qtest.h>
#include <private/qv4estable_p.h>
class tst_qv4estable : public QObject
{
Q_OBJECT
private slots:
void checkRemoveAvoidsHeapBufferOverflow();
};
// QTBUG-123999
void tst_qv4estable::checkRemoveAvoidsHeapBufferOverflow()
{
QV4::ESTable estable;
// Fill the ESTable with values so it is at max capacity.
QCOMPARE_EQ(estable.m_capacity, 8);
for (uint i = 0; i < estable.m_capacity; ++i) {
estable.set(QV4::Value::fromUInt32(i), QV4::Value::fromUInt32(i));
}
// Our |m_keys| array should now contain eight values.
// > [v0, v1, v2, v3, v4, v5, v6, v7]
for (uint i = 0; i < estable.m_capacity; ++i) {
QVERIFY(estable.m_keys[i].sameValueZero(QV4::Value::fromUInt32(i)));
}
QCOMPARE_EQ(estable.m_capacity, 8);
QCOMPARE_EQ(estable.m_size, 8);
// Remove the first item from the set to verify that asan does not trip.
// Relies on the CI platform propagating asan flag to all tests.
estable.remove(QV4::Value::fromUInt32(0));
}
QTEST_MAIN(tst_qv4estable)
#include "tst_qv4estable.moc"
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