Add roottest for issue root-project#18363

Co-authored-by: Philippe Canal <[email protected]>

Author: hahnjo

roottest/root/meta/naming/CMakeLists.txt

@@ -4,3 +4,5 @@ ROOTTEST_ADD_AUTOMACROS(DEPENDS namingMatches.cxx
 ROOTTEST_ADD_TEST(execCheckNaming
                   MACRO execCheckNaming.C
                   OUTREF execCheckNaming${ref_suffix})
+
+ROOTTEST_ADD_TESTDIRS()

roottest/root/meta/naming/issue-18363/CMakeLists.txt

@@ -0,0 +1,6 @@
+ROOTTEST_GENERATE_REFLEX_DICTIONARY(templateDict Objects.h SELECTION selection.xml FIXTURES_SETUP template_lib)
+
+ROOTTEST_ADD_TEST(templateName
+                  MACRO templateNameTest.C
+                  OUTREF templateNameTest.ref
+		  FIXTURES_REQUIRED template_lib)

roottest/root/meta/naming/issue-18363/Objects.h

@@ -0,0 +1,9 @@
+#ifndef Objects_18363_hxx
+#define Objects_18363_hxx
+
+template <unsigned I>
+struct PFRecHitSoALayout {
+   struct View {};
+};
+
+#endif

roottest/root/meta/naming/issue-18363/selection.xml

@@ -0,0 +1,4 @@
+<lcgdict>
+ <class name="PFRecHitSoALayout<128>"/>
+ <class name="PFRecHitSoALayout<128>::View"/>
+</lcgdict>

roottest/root/meta/naming/issue-18363/templateNameTest.C

@@ -0,0 +1,26 @@
+{
+   TFile pcmfile("templateDict_rdict.pcm");
+   if (pcmfile.IsZombie()) {
+      std::cerr << "Error: Failed to open roottest/root pcm file: " << pcmfile.GetName() << '\n';
+      return 1;
+   }
+   TObjArray *protoArray = pcmfile.Get<TObjArray>("__ProtoClasses");
+   if (!protoArray) {
+      std::cerr << "Error: Failed to retrieve __ProtoClasses\n";
+      return 2;
+   }
+   protoArray->Print();
+
+   const char *classname = "PFRecHitSoALayout<128>::View";
+   auto cl = TClass::GetClass(classname);
+   if (!cl) {
+      std::cerr << "Error: Could not get the TClass for " << classname << "\n";
+      return 3;
+   }
+   if (!cl->IsLoaded()) {
+      std::cerr << "Error: The TClass is not loaded for " << classname << "\n";
+      return 4;
+   }
+
+   return 0;
+}

roottest/root/meta/naming/issue-18363/templateNameTest.ref

@@ -0,0 +1,5 @@
+
+Processing templateNameTest.C...
+Collection name='TObjArray', class='TObjArray', size=16
+ OBJ: TProtoClass	PFRecHitSoALayout<128>	
+ OBJ: TProtoClass	PFRecHitSoALayout<128>::View