xref: /llvm-project/clang-tools-extra/test/clang-tidy/checkers/modernize/use-override-templates.cpp (revision 1af159e98c23a293c103e1f548866488126ed6f6)
1 // RUN: %check_clang_tidy %s modernize-use-override %t -- \
2 // RUN:   -config="{CheckOptions: {modernize-use-override.IgnoreTemplateInstantiations: true}}"
3 
4 struct Base {
5   virtual void foo();
6 };
7 
8 struct Base2 {
9   virtual void foo2();
10 };
11 
12 template<typename T>
13 struct Derived : T {
14   // should not warn, comes from template instance
15   virtual void foo();
16   virtual void foo2();
17 };
18 
test()19 void test() {
20   Derived<Base> b;
21   Derived<Base2> b2;
22 }
23 
24 template<typename T>
25 struct BaseS {
26   virtual void boo();
27 };
28 
29 template<>
30 struct BaseS<int> {
31   virtual void boo2();
32 };
33 
34 struct BaseU {
35   virtual void boo3();
36 };
37 
38 template<typename T>
39 struct Derived2 : BaseS<T>, BaseU {
40   // should not warn, comes from template instance
41   virtual void boo();
42   virtual void boo2();
43   // should warn, comes from non-template BaseU
44   virtual void boo3();
45   // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: prefer using 'override' or (rarely) 'final' instead of 'virtual' [modernize-use-override]
46   // CHECK-FIXES: {{^  }}void boo3() override;
47 };
48