test unions

Author: labath

lldb/test/API/lang/cpp/nested-template/TestNestedTemplate.py

@@ -22,6 +22,11 @@ def do_test(self, debug_flags):
             DATA_TYPES_DISPLAYED_CORRECTLY,
             substrs=["1 match found"],
         )
+        self.expect(
+            "image lookup -A -t 'NS::Union<int>'",
+            DATA_TYPES_DISPLAYED_CORRECTLY,
+            substrs=["1 match found"],
+        )
 
     @skipIf(compiler=no_match("clang"))
     @skipIf(compiler_version=["<", "15.0"])

lldb/test/API/lang/cpp/nested-template/main.cpp

@@ -8,10 +8,12 @@ struct Outer {
 namespace NS {
 namespace {
 template <typename T> struct Struct {};
+template <typename T> struct Union {};
 } // namespace
 } // namespace NS
 
 int main() {
   Outer::Inner<int> oi;
   NS::Struct<int> ns_struct;
+  NS::Union<int> ns_union;
 }