refs #5633 #5634. Test via FunctionFactory

Quite a simple but important test, because these functions would not work via NormaliseByDetector unless they were factory registered. Also provides checking that they are types of IFunction, since the test downcasts the boost shared_ptr.

Code/Mantid/Framework/CurveFitting/test/ProductLinearExpTest.h

@@ -10,6 +10,7 @@
 #include "MantidCurveFitting/Jacobian.h"
 #include "MantidAPI/FunctionDomain1D.h" 
 #include "MantidAPI/FunctionValues.h" 
+#include "MantidAPI/FunctionFactory.h"
 #include <algorithm>
 #include <boost/shared_ptr.hpp>
 #include <boost/make_shared.hpp>
@@ -114,12 +115,20 @@ public:
     TS_ASSERT_EQUALS("ProductLinearExp", func.name());
   }
 
-  void test_catagory()
+  void test_category()
   {
     ProductLinearExp func;
     TS_ASSERT_EQUALS("Calibrate", func.category());
   }
 
+  void test_registered_with_factory()
+  {
+    IFunction_sptr func = FunctionFactory::Instance().createFunction("ProductLinearExp");
+    TS_ASSERT(func != NULL);
+    TS_ASSERT_EQUALS(func->name(), "ProductLinearExp");
+    TS_ASSERT(boost::dynamic_pointer_cast<ProductLinearExp>(func) != NULL);
+  }
+
   void test_set_parameters()
   {
     const double A0 = 1;

Code/Mantid/Framework/CurveFitting/test/ProductQuadraticExpTest.h

@@ -10,6 +10,7 @@
 #include "MantidCurveFitting/Jacobian.h"
 #include "MantidAPI/FunctionDomain1D.h" 
 #include "MantidAPI/FunctionValues.h" 
+#include "MantidAPI/FunctionFactory.h"
 #include <algorithm>
 #include <boost/shared_ptr.hpp>
 #include <boost/make_shared.hpp>
@@ -109,12 +110,20 @@ public:
     TS_ASSERT_EQUALS("ProductQuadraticExp", func.name());
   }
 
-  void test_catagory()
+  void test_category()
   {
     ProductQuadraticExp func;
     TS_ASSERT_EQUALS("Calibrate", func.category());
   }
 
+  void test_registered_with_factory()
+  {
+    IFunction_sptr func = FunctionFactory::Instance().createFunction("ProductQuadraticExp");
+    TS_ASSERT(func != NULL);
+    TS_ASSERT_EQUALS(func->name(), "ProductQuadraticExp");
+    TS_ASSERT(boost::dynamic_pointer_cast<ProductQuadraticExp>(func) != NULL);
+  }
+
   void test_set_parameters()
   {
     const double A0 = 1;