xref: /llvm-project/clang/test/FixIt/fixit-const-var-init.cpp (revision b3faa1a87ac37e3825a67368dfb8dcfef95f4c53)
1 // RUN: not %clang_cc1 -fdiagnostics-parseable-fixits -x c++ -std=c++14 %s 2>&1 | FileCheck %s
2 
3 const int a; // expected-error {{default initialization of an object of const type}}
4 // CHECK: fix-it:"{{.*}}":{3:12-3:12}:" = 0"
5 
6 template <class, class> const int b; // expected-error {{default initialization of an object of const type}}
7 // CHECK: fix-it:"{{.*}}":{6:36-6:36}:" = 0"
8 
9 template <class T> const int b<int, T>; // expected-error {{default initialization of an object of const type}}
10 // CHECK: fix-it:"{{.*}}":{9:39-9:39}:" = 0"
11 
12 template <> const int b<int, float>; // expected-error {{default initialization of an object of const type}}
13 // CHECK: fix-it:"{{.*}}":{12:36-12:36}:" = 0"
14 
15 constexpr float c; // expected-error {{must be initialized by a constant expression}}
16 // CHECK: fix-it:"{{.*}}":{15:18-15:18}:" = 0.0"
17 
18 template <class, class> constexpr float d; // expected-error {{must be initialized by a constant expression}}
19 // CHECK: fix-it:"{{.*}}":{18:42-18:42}:" = 0.0"
20 
21 template <class T> constexpr float d<T, int>; // expected-error {{must be initialized by a constant expression}}
22 // CHECK: fix-it:"{{.*}}":{21:45-21:45}:" = 0.0"
23 
24 template <> constexpr float d<int, float>; // expected-error {{must be initialized by a constant expression}}
25 // CHECK: fix-it:"{{.*}}":{24:42-24:42}:" = 0.0"
26 
27 void (* const func)(int, int); // expected-error {{default initialization of an object of const type}}
28 // CHECK: fix-it:"{{.*}}":{27:30-27:30}:" = nullptr"
29