[clang-tidy] Fix more enum declaration cases in misc-unused-using-decls check.

Summary: Fix PR28350.

Reviewers: alexfh

Subscribers: aaron.ballman, Eugene.Zelenko, cfe-commits

Differential Revision: http://reviews.llvm.org/D21833

llvm-svn: 274496

1 files changed, 15 insertions, 9 deletions

diff --git a/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp b/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp
index a5399fa5545..618a9f661f9 100644
--- a/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp
+++ b/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp
@@ -44,11 +44,13 @@ public:
 extern ostream cout;
 ostream &endl(ostream &os);
 
-enum Color {
-  Green,
-  Red,
-  Yellow
-};
+enum Color1 { Green };
+
+enum Color2 { Red };
+
+enum Color3 { Yellow };
+
+enum Color4 { Blue };
 
 }  // namespace n
 
@@ -126,11 +128,13 @@ void IgnoreFunctionScope() {
 using n::H;
 }
 
-using n::Color;
-// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: using decl 'Color' is unused
+using n::Color1;
+// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: using decl 'Color1' is unused
 using n::Green;
 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: using decl 'Green' is unused
-using n::Red;
+using n::Color2;
+using n::Color3;
+using n::Blue;
 
 // ----- Usages -----
 void f(B b);
@@ -144,5 +148,7 @@ void g() {
   UsedFunc();
   UsedTemplateFunc<int>();
   cout << endl;
-  int t = Red;
+  Color2 color2;
+  int t1 = Color3::Yellow;
+  int t2 = Blue;
 }