QTemporaryFile: Add support for std::filesystem::path

Since it hides QFile's overloads this was not supported for
QTemporaryFile.

[ChangeLog][QtCore][QTemporaryFile] Added support for passing
std::filesystem::path to rename and createNativeFile.

Change-Id: I909ff1d5b9c586824c9901d7dad278dfad09ffc3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp b/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp
index f8e3a9d744..3d25027503 100644
--- a/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp
+++ b/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp
@@ -75,6 +75,7 @@ private slots:
     void QTBUG_4796_data();
     void QTBUG_4796();
     void guaranteeUnique();
+    void stdfilesystem();
 private:
     QTemporaryDir m_temporaryDir;
     QString m_previousCurrent;
@@ -1036,5 +1037,49 @@ void tst_QTemporaryFile::guaranteeUnique()
     QVERIFY(dir.rmdir(takenFileName));
 }
 
+void tst_QTemporaryFile::stdfilesystem()
+{
+#if !QT_CONFIG(cxx17_filesystem)
+    QSKIP("std::filesystem not available");
+#else
+    // ctor
+    {
+        std::filesystem::path testFile("testFile1.XXXXXX");
+        QTemporaryFile file(testFile);
+        QCOMPARE(file.fileTemplate(), QtPrivate::fromFilesystemPath(testFile));
+    }
+    // rename
+    {
+        QTemporaryFile file("testFile1.XXXXXX");
+        QVERIFY(file.open());
+        QByteArray payload = "abc123 I am a string";
+        file.write(payload);
+        QVERIFY(file.rename(std::filesystem::path("./test")));
+        file.close();
+
+        QFile f(u"./test"_s);
+        QVERIFY(f.exists());
+        QVERIFY(f.open(QFile::ReadOnly));
+        QCOMPARE(f.readAll(), payload);
+    }
+    // createNativeFile
+    {
+        std::filesystem::path resource(":/resources/test.txt");
+        std::unique_ptr<QTemporaryFile> tmp(QTemporaryFile::createNativeFile(resource));
+        QVERIFY(tmp);
+        QFile file(resource);
+        QVERIFY(file.open(QFile::ReadOnly));
+        QCOMPARE(tmp->readAll(), file.readAll());
+    }
+    // setFileTemplate
+    {
+        QTemporaryFile file;
+        std::filesystem::path testFile("testFile1.XXXXXX");
+        file.setFileTemplate(testFile);
+        QCOMPARE(file.fileTemplate(), QtPrivate::fromFilesystemPath(testFile));
+    }
+#endif
+}
+
 QTEST_MAIN(tst_QTemporaryFile)
 #include "tst_qtemporaryfile.moc"