xref: /llvm-project/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls-errors.cpp (revision 89a1d03e2b379e325daa5249411e414bbd995b5e)
1 // RUN: %check_clang_tidy -expect-clang-tidy-error %s misc-unused-using-decls %t
2 
3 namespace n {
4 class C;
5 }
6 
7 using n::C;
8 
f()9 void f() {
10   for (C *p : unknown()) {}
11   // CHECK-MESSAGES: :[[@LINE-1]]:15: error: use of undeclared identifier 'unknown' [clang-diagnostic-error]
12 }
13