1 files changed, 27 insertions, 0 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
new file mode 100644
index 00000000000..110c1b46fbb
--- /dev/null
+++ b/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp
@@ -0,0 +1,27 @@
+// RUN: %check_clang_tidy %s misc-unused-using-decls %t
+
+// ----- Definitions -----
+template <typename T> class vector {};
+namespace n {
+class A;
+class B;
+class C;
+class D { public: static int i; };
+}
+
+// ----- Using declarations -----
+// eol-comments aren't removed (yet)
+using n::A; // A
+// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: using decl 'A' is unused
+// CHECK-FIXES: {{^}}// A
+using n::B;
+using n::C;
+using n::D;
+
+// ----- Usages -----
+void f(B b);
+void g() {
+  vector<C> data;
+  D::i = 1;
+}
+