Add a method to let users determine if the current platform is X11.v5.2.0-alpha1

In order to know if the methods in QtX11Extras are usable the user should
have a way to tell if they're running on X11.

Change-Id: I096267eb1f1fe07ee11811574a96100389c33b7d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/tests/auto/qx11info/tst_qx11info.cpp b/tests/auto/qx11info/tst_qx11info.cpp
index b680834..ab741be 100644
--- a/tests/auto/qx11info/tst_qx11info.cpp
+++ b/tests/auto/qx11info/tst_qx11info.cpp
@@ -52,6 +52,7 @@ class tst_QX11Info : public QObject
 
 private slots:
     void staticFunctionsBeforeQApplication();
+    void isPlatformX11();
     void appTime();
 };
 
@@ -120,6 +121,14 @@ void tst_QX11Info::staticFunctionsBeforeQApplication()
     QCOMPARE(appTime, 0ul);
 }
 
+void tst_QX11Info::isPlatformX11()
+{
+    int argc = 0;
+    QApplication app(argc, 0);
+
+    QVERIFY(QX11Info::isPlatformX11());
+}
+
 void tst_QX11Info::appTime()
 {
     int argc = 0;