Enabled adding notes to class methods and members (fixes #87)

tests/t00028/.clang-uml

@@ -10,3 +10,9 @@ diagrams:
     include:
       namespaces:
         - clanguml::t00028
+    plantuml:
+      after:
+        - >
+          note left of {{ alias("R") }}::ccc
+            Reference to C.
+          end note

tests/t00028/t00028.cc

@@ -44,8 +44,10 @@ class R {
     {
     }
 
+    /// \uml{note[left] R contains an instance of A.}
     A aaa;
 
+    /// \uml{note:other_diagram[right] R contains an pointer to B.}
     B *bbb;
 
     C &ccc;

tests/t00028/test_case.h

@@ -54,6 +54,12 @@ note.)";
     REQUIRE_THAT(puml, HasNote(_A("F"), "bottom", "F enum note."));
     REQUIRE_THAT(puml, !HasNote(_A("G"), "left", "G class note."));
     REQUIRE_THAT(puml, HasNote(_A("R"), "right", "R class note."));
+    REQUIRE_THAT(puml,
+        HasMemberNote(_A("R"), "aaa", "left", "R contains an instance of A."));
+    REQUIRE_THAT(
+        puml, !HasMemberNote(_A("R"), "bbb", "right", "R class note."));
+    REQUIRE_THAT(
+        puml, HasMemberNote(_A("R"), "ccc", "left", "Reference to C."));
 
     save_puml(config.output_directory() + "/" + diagram->name + ".puml", puml);
 }

tests/test_cases.h

@@ -438,6 +438,15 @@ ContainsMatcher HasNote(std::string const &cls, std::string const &position,
         fmt::format("note {} of {}", position, cls), caseSensitivity));
 }
 
+ContainsMatcher HasMemberNote(std::string const &cls, std::string const &member,
+    std::string const &position, std::string const &note = "",
+    CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes)
+{
+    return ContainsMatcher(
+        CasedString(fmt::format("note {} of {}::{}", position, cls, member),
+            caseSensitivity));
+}
+
 ContainsMatcher HasLink(std::string const &alias, std::string const &link,
     std::string const &tooltip,
     CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes)