regression test for #18363

Author: pcanal

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

@@ -0,0 +1,6 @@
+ROOTTEST_GENERATE_REFLEX_DICTIONARY(size_tTemplateDict Objects.h SELECTION selection.xml FIXTURES_SETUP size_tTemplate_lib)
+
+ROOTTEST_ADD_TEST(size_tTemplateName
+                  MACRO size_tTemplateNameTest.C
+                  OUTREF size_tTemplateNameTest.ref
+		  FIXTURES_REQUIRED size_tTemplate_lib)

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

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+#ifndef Objects_18363_hxx
+#define Objects_18363_hxx
+
+namespace reco { 
+template <size_t I, bool B> struct PFRecHitSoALayout {
+  template <size_t II, bool B1, bool B2, bool B3> struct ViewTemplateFreeParams {};
+  using View = ViewTemplateFreeParams<I, B, true, true>; 
+}; 
+using PFRecHitSoA = PFRecHitSoALayout<128UL,false>; // try with 128ul
+}
+
+static reco::PFRecHitSoA abc;
+static reco::PFRecHitSoALayout<128UL,false> a2;
+
+#endif

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

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+<lcgdict>
+ <class name="reco::PFRecHitSoA"/>
+ <class name="reco::PFRecHitSoA::View"/>
+</lcgdict>

root/meta/naming/issue-18363/size_tTemplateNameTest.C

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+{
+   TFile pcmfile("size_tTemplateDict_rdict.pcm");
+   if (pcmfile.IsZombie()) {
+      std::cerr << "Error: Failed to open 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 = "reco::PFRecHitSoALayout<128,false>::ViewTemplateFreeParams<128,false,true,true>";
+   auto cl = TClass::GetClass(classname);
+   gInterpreter->Print("autoparsed");
+   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;
+}

root/meta/naming/issue-18363/size_tTemplateNameTest.ref

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+
+Processing /Users/pcanal/root_working/roottest/root/meta/naming/issue-18363/size_tTemplateNameTest.C...
+Collection name='TObjArray', class='TObjArray', size=16
+ OBJ: TProtoClass	reco::PFRecHitSoALayout<128,false>	
+ OBJ: TProtoClass	reco::PFRecHitSoALayout<128,false>::ViewTemplateFreeParams<128,false,true,true>	
+Auto parsed classes: