2 files changed, 97 insertions, 0 deletions
diff --git a/tests/auto/corelib/io/qfilesystemmetadata/qfilesystemmetadata.pro b/tests/auto/corelib/io/qfilesystemmetadata/qfilesystemmetadata.pro
new file mode 100644
index 0000000000..a7d50ece43
--- /dev/null
+++ b/tests/auto/corelib/io/qfilesystemmetadata/qfilesystemmetadata.pro
@@ -0,0 +1,4 @@
+CONFIG += testcase parallel_test
+TARGET = tst_qfilesystemmetadata
+QT = core-private testlib
+SOURCES = tst_qfilesystemmetadata.cpp
diff --git a/tests/auto/corelib/io/qfilesystemmetadata/tst_qfilesystemmetadata.cpp b/tests/auto/corelib/io/qfilesystemmetadata/tst_qfilesystemmetadata.cpp
new file mode 100644
index 0000000000..d17dffe830
--- /dev/null
+++ b/tests/auto/corelib/io/qfilesystemmetadata/tst_qfilesystemmetadata.cpp
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#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);
+#else
+    QT_STATBUF data;
+    memset(&data, 0, sizeof(data));
+    data.st_ctime = afterEpochUtc;
+    meta.fillFromStatBuf(data);
+#endif
+    QCOMPARE(meta.creationTime().toUTC(),
+             QDateTime::fromMSecsSinceEpoch(afterEpochUtc * qint64(1000), Qt::UTC));
+}
+#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>