qt 6.5.1 original

tests/auto/corelib/io/qfilesystemmetadata/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qfilesystemmetadata Test:
+#####################################################################
+
+qt_internal_add_test(tst_qfilesystemmetadata
+    SOURCES
+        tst_qfilesystemmetadata.cpp
+    LIBRARIES
+        Qt::CorePrivate
+)

tests/auto/corelib/io/qfilesystemmetadata/tst_qfilesystemmetadata.cpp

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+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QTest>
+#include <QtCore/QDateTime>
+#include <QtCore/private/qfilesystemmetadata_p.h>
+
+class tst_QFileSystemMetaData : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void timeSinceEpoch();
+};
+
+#if defined(QT_BUILD_INTERNAL) && defined(QT_SHARED)
+#ifdef Q_OS_WIN
+static FILETIME epochToFileTime(long seconds)
+{
+    const qint64 sec = 10000000;
+    // FILETIME is time in 1e-7s units since 1601's start: epoch is 1970's
+    // start, 369 years (of which 3*24 +69/4 = 89 were leap) later.
+    const qint64 offset = qint64(365 * 369 + 89) * 24 * 3600;
+    const qint64 convert = (offset + seconds) * sec;
+    FILETIME parts;
+    parts.dwHighDateTime = convert >> 32;
+    parts.dwLowDateTime = convert & 0xffffffff;
+    return parts;
+}
+#endif
+
+void tst_QFileSystemMetaData::timeSinceEpoch()
+{
+    // Regression test for QTBUG-48306, used to fail for TZ=Russia/Moscow
+    // Oct 22 2014 6:00 UTC; TZ=Russia/Moscow changed from +4 to +3 on Oct 26.
+    const long afterEpochUtc = 1413957600L;
+    QFileSystemMetaData meta;
+#ifdef Q_OS_WIN
+    WIN32_FIND_DATA data;
+    memset(&data, 0, sizeof(data));
+    data.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
+    /* data.ftLastAccessTime = data.ftLastWriteTime = */
+    data.ftCreationTime = epochToFileTime(afterEpochUtc);
+    meta.fillFromFindData(data);
+    QCOMPARE(meta.birthTime().toUTC(),
+             QDateTime::fromMSecsSinceEpoch(afterEpochUtc * qint64(1000), QTimeZone::UTC));
+#else
+    QT_STATBUF data;
+    memset(&data, 0, sizeof(data));
+    data.st_ctime = afterEpochUtc;
+    meta.fillFromStatBuf(data);
+    QCOMPARE(meta.metadataChangeTime().toUTC(),
+             QDateTime::fromMSecsSinceEpoch(afterEpochUtc * qint64(1000), QTimeZone::UTC));
+#endif
+}
+#else // i.e. no Q_AUTOTEST_EXPORT
+void tst_QFileSystemMetaData::timeSinceEpoch()
+{
+    QSKIP("QFileSystemMetaData methods aren't available to test");
+}
+#endif
+QTEST_MAIN(tst_QFileSystemMetaData)
+#include <tst_qfilesystemmetadata.moc>