--- shiboken-1.2.2/tests/libsample/simplefile.cpp~	2014-04-22 17:42:48.000000000 +0200
+++ shiboken-1.2.2/tests/libsample/simplefile.cpp	2018-07-06 18:52:32.818363884 +0200
@@ -90,7 +90,7 @@ bool
 SimpleFile::exists() const
 {
     std::ifstream ifile(p->m_filename);
-    return ifile;
+    return !!ifile;
 }
 
 bool
--- shiboken-1.2.2/tests/libsample/simplefile.cpp~	2018-07-06 18:58:34.000000000 +0200
+++ shiboken-1.2.2/tests/libsample/simplefile.cpp	2018-07-06 18:59:39.479838951 +0200
@@ -97,6 +97,6 @@ bool
 SimpleFile::exists(const char* filename)
 {
     std::ifstream ifile(filename);
-    return ifile;
+    return !!ifile;
 }