VBA: unit test for PtrSafe and compiler directives

 #If Vba7
   Declare PtrSafe Function xx
 #Else
   Declare Function xx
 #End if

Change-Id: I807efb9fa68b5ac50f2bd59ba7cfa45c499af189
Reviewed-on: https://gerrit.libreoffice.org/34522Reviewed-by: Justin Luth <justin_luth@sil.org>
Tested-by: Justin Luth <justin_luth@sil.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

basic/qa/cppunit/test_append.cxx

@@ -20,12 +20,14 @@ namespace
         public:
         EnableTest() : BootstrapFixture(true, false) {};
         void testDimEnable();
+        void testWin64();
         void testEnableRuntime();
         // Adds code needed to register the test suite
         CPPUNIT_TEST_SUITE(EnableTest);
 
         // Declares the method as a test to call
         CPPUNIT_TEST(testDimEnable);
+        CPPUNIT_TEST(testWin64);
         CPPUNIT_TEST(testEnableRuntime);
 
         // End of test suite definition
@@ -63,6 +65,21 @@ void EnableTest::testDimEnable()
     CPPUNIT_ASSERT_MESSAGE("Dim causes compile error", !myMacro.HasError() );
 }
 
+void EnableTest::testWin64()
+{
+    OUStringBuffer aSource1("   #If Win64\n");
+    aSource1.append("Declare PtrSafe Function aht_apiGetOpenFileName Lib ");
+    aSource1.append('"');
+    aSource1.append("comdlg32.dll");
+    aSource1.append('"');
+    aSource1.append("\n");
+    aSource1.append("#End if\n");
+
+    MacroSnippet myMacro(aSource1.toString());
+    myMacro.Compile();
+    CPPUNIT_ASSERT_MESSAGE("#if Win64 Declare PtrSafe causes compile error", !myMacro.HasError() );
+}
+
   // Put the test suite in the registry
   CPPUNIT_TEST_SUITE_REGISTRATION(EnableTest);
 }