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