Resolve issues relating to compilation with clang-3.5.0

applications/test/nullObject/Make/files

@@ -0,0 +1,3 @@
+Test-nullObject.C
+
+EXE = $(FOAM_USER_APPBIN)/nullObject

applications/test/nullObject/Test-nullObject.C

@@ -0,0 +1,70 @@
+#include "nullObject.H"
+#include "IOstreams.H"
+
+using namespace Foam;
+
+class SimpleClass
+{
+
+public:
+
+    //- Null constructor
+    SimpleClass()
+    {}
+};
+
+
+int main()
+{
+    // Test pointer and reference to a class
+
+    SimpleClass* ptrToClass = new SimpleClass;
+    SimpleClass& refToClass(*ptrToClass);
+
+    if (notNull(ptrToClass))
+    {
+        Info<< "Pass: ptrToClass is not null" << endl;
+    }
+    else
+    {
+        Info<< "FAIL: refToClass is null" << endl;
+    }
+
+    if (notNull(refToClass))
+    {
+        Info<< "Pass: refToClass is not null" << endl;
+    }
+    else
+    {
+        Info<< "FAIL: refToClass is null" << endl;
+    }
+
+
+    // Test pointer and reference to the nullObject
+
+    const SimpleClass* ptrToNull(NullObjectPtr<SimpleClass>());
+    const SimpleClass& refToNull(*ptrToNull);
+
+    if (isNull(ptrToNull))
+    {
+        Info<< "Pass: ptrToNull is null" << endl;
+    }
+    else
+    {
+        Info<< "FAIL: ptrToNull is not null" << endl;
+    }
+
+    if (isNull(refToNull))
+    {
+        Info<< "Pass: refToNull is null" << endl;
+    }
+    else
+    {
+        Info<< "FAIL: refToNull is not null" << endl;
+    }
+
+    // Clean-up
+    delete ptrToClass;
+
+    return 0;
+}