filetest: add moveToTrash() operation

Change-Id: I76ffba14ece04f24b43efffd17ab43f3f2ecde59
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit 89b4a236a4b8310c3bef269414609db3204d0513)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

tests/manual/filetest/main.cpp

@@ -22,7 +22,8 @@ static const char usage2[] =" [KEYWORD] [ARGUMENTS]\n\n"
 "          cp  SOURCE TARGET     copy files using QFile::copy\n"
 "          rm  FILE              remove file using QFile::remove\n"
 "          rmr DIR               remove directory recursively\n"
-"                                using QDir::removeRecursively\n";
+"                                using QDir::removeRecursively\n"
+"          trash FILES           moves the file or directory to trash\n";
 
 std::ostream &operator<<(std::ostream &o, const QString &str)
 {
@@ -181,6 +182,17 @@ static int rmr(const char *dirName)
     return 0;
 }
 
+static int trash(const char *filename)
+{
+    QFile f(QString::fromLocal8Bit(filename));
+    if (!f.moveToTrash()) {
+        qWarning().nospace() << "Failed to trash " << f.fileName()
+                             << ": " << f.errorString();
+        return -1;
+    }
+    return 0;
+}
+
 int main(int argc, char *argv[])
 {
     QCoreApplication a(argc, argv);
@@ -206,6 +218,9 @@ int main(int argc, char *argv[])
     if (argc == 3 && !qstrcmp(argv[1], "rmr"))
         return rmr(argv[2]);
 
+    if (argc == 3 && !qstrcmp(argv[1], "trash"))
+        return trash(argv[2]);
+
     std::cerr << usage1 << argv[0] << usage2;
     return 0;
 }