Fix Warning saying that signal cannot be made virtual

The test for virtual signal did not work.
But we cannot make an error right now or it might break existing code
(exemple in task 210879)

Reviewed-by: Kent Hansen

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/auto/moc/tst_moc.cpp b/tests/auto/moc/tst_moc.cpp
index 898cfe16ec..d66791f17a 100644
--- a/tests/auto/moc/tst_moc.cpp
+++ b/tests/auto/moc/tst_moc.cpp
@@ -488,6 +488,7 @@ private slots:
     void warnOnPropertyWithoutREAD();
     void constructors();
     void typenameWithUnsigned();
+    void warnOnVirtualSignal();
 
 signals:
     void sigWithUnsignedArg(unsigned foo);
@@ -1180,6 +1181,27 @@ void tst_Moc::typenameWithUnsigned()
     QVERIFY(mobj->indexOfSlot("l(unsignedQImage)") != -1);
 }
 
+
+void tst_Moc::warnOnVirtualSignal()
+{
+#ifdef MOC_CROSS_COMPILED
+    QSKIP("Not tested when cross-compiled", SkipAll);
+#endif
+#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(QT_NO_PROCESS)
+    QProcess proc;
+    proc.start("moc", QStringList(srcify("pure-virtual-signals.h")));
+    QVERIFY(proc.waitForFinished());
+    QCOMPARE(proc.exitCode(), 0);
+    QByteArray mocOut = proc.readAllStandardOutput();
+    QVERIFY(!mocOut.isEmpty());
+    QString mocWarning = QString::fromLocal8Bit(proc.readAllStandardError());
+    QCOMPARE(mocWarning, QString(SRCDIR) + QString("/pure-virtual-signals.h:48: Warning: Signals cannot be declared virtual\n") +
+                         QString(SRCDIR) + QString("/pure-virtual-signals.h:50: Warning: Signals cannot be declared virtual\n"));
+#else
+    QSKIP("Only tested on linux/gcc", SkipAll);
+#endif
+}
+
 QTEST_MAIN(tst_Moc)
 #include "tst_moc.moc"