1 // RUN: %check_clang_tidy -std=c++11,c++14 %s modernize-use-noexcept %t -- \
2 // RUN:   -config="{CheckOptions: [{key: modernize-use-noexcept.UseNoexceptFalse, value: false}]}" \
3 // RUN:   -- -fexceptions
4 // This test is not run in C++17 or later because dynamic exception
5 // specifications were removed in C++17.
6 
7 using size_t = __SIZE_TYPE__;
8 class A {};
9 class B {};
10 
11 void foo() throw();
12 // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
13 // CHECK-FIXES: void foo() noexcept;
14 
15 void bar() throw(...);
16 // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: dynamic exception specification 'throw(...)' is deprecated; consider removing it instead [modernize-use-noexcept]
17 // CHECK-FIXES: void bar() ;
18 
19 void k() throw(int(int));
20 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: dynamic exception specification 'throw(int(int))' is deprecated; consider removing it instead [modernize-use-noexcept]
21 // CHECK-FIXES: void k() ;
22 
23 // Shouldn't crash due to llvm_unreachable in canThrow() on EST_Uninstantiated
24 template <int> class c { void *operator new(size_t) throw (int);};
s()25 void s() { c<1> doesnt_crash; }
26 // CHECK-MESSAGES: :[[@LINE-2]]:53: warning: dynamic exception specification 'throw (int)' is deprecated; consider removing it instead [modernize-use-noexcept]
27 
foobar()28 void foobar() throw(A, B)
29 {}
30 // CHECK-MESSAGES: :[[@LINE-2]]:15: warning: dynamic exception specification 'throw(A, B)' is deprecated; consider removing it instead [modernize-use-noexcept]
31 // CHECK-FIXES: void foobar()
32 
baz(int=(throw A (),0))33 void baz(int = (throw A(), 0)) throw(A, B) {}
34 // CHECK-MESSAGES: :[[@LINE-1]]:32: warning: dynamic exception specification 'throw(A, B)' is deprecated; consider removing it instead [modernize-use-noexcept]
35 // CHECK-FIXES: void baz(int = (throw A(), 0)) {}
36 
37 void g(void (*fp)(void) throw());
38 // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
39 // CHECK-FIXES: void g(void (*fp)(void) noexcept);
40 
41 void f(void (*fp)(void) throw(int)) throw(char);
42 // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: dynamic exception specification 'throw(int)' is deprecated; consider removing it instead [modernize-use-noexcept]
43 // CHECK-MESSAGES: :[[@LINE-2]]:37: warning: dynamic exception specification 'throw(char)' is deprecated; consider removing it instead [modernize-use-noexcept]
44 // CHECK-FIXES: void f(void (*fp)(void) ) ;
45 
46 #define THROW throw
47 void h(void (*fp)(void) THROW(int)) THROW(char);
48 // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: dynamic exception specification 'THROW(int)' is deprecated; consider removing it instead [modernize-use-noexcept]
49 // CHECK-MESSAGES: :[[@LINE-2]]:37: warning: dynamic exception specification 'THROW(char)' is deprecated; consider removing it instead [modernize-use-noexcept]
50 // CHECK-FIXES: void h(void (*fp)(void) ) ;
51 
52 void j() throw(int(int) throw(void(void) throw(int)));
53 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: dynamic exception specification 'throw(int(int) throw(void(void) throw(int)))' is deprecated; consider removing it instead [modernize-use-noexcept]
54 // CHECK-FIXES: void j() ;
55 
56 class Y {
57   Y() throw() = default;
58 };
59 // CHECK-MESSAGES: :[[@LINE-2]]:7: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
60 // CHECK-FIXES: Y() noexcept = default;
61 
62 struct Z {
63   void operator delete(void *ptr) throw();
64   void operator delete[](void *ptr) throw(int);
~ZZ65   ~Z() throw(int) {}
66 };
67 // CHECK-MESSAGES: :[[@LINE-4]]:35: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
68 // CHECK-MESSAGES: :[[@LINE-4]]:37: warning: dynamic exception specification 'throw(int)' is deprecated; consider using 'noexcept(false)' instead [modernize-use-noexcept]
69 // CHECK-MESSAGES: :[[@LINE-4]]:8: warning: dynamic exception specification 'throw(int)' is deprecated; consider using 'noexcept(false)' instead [modernize-use-noexcept]
70 // CHECK-FIXES: void operator delete(void *ptr) noexcept;
71 // CHECK-FIXES: void operator delete[](void *ptr) noexcept(false);
72 // CHECK-FIXES: ~Z() noexcept(false) {}
73 
74 struct S {
75   void f() throw();
76 };
77 void f(void (S::*)() throw());
78 // CHECK-MESSAGES: :[[@LINE-3]]:12: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
79 // CHECK-MESSAGES: :[[@LINE-2]]:22: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
80 // CHECK-FIXES: void f() noexcept;
81 // CHECK-FIXES: void f(void (S::*)() noexcept);
82 
83 typedef void (*fp)(void (*fp2)(int) throw());
84 // CHECK-MESSAGES: :[[@LINE-1]]:37: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
85 // CHECK-FIXES: typedef void (*fp)(void (*fp2)(int) noexcept);
86 
87 // Should not trigger a replacement.
titi()88 void titi() noexcept {}
toto()89 void toto() noexcept(true) {}
90 
91 // Should not trigger a replacement.
92 void bad()
93 #if !__has_feature(cxx_noexcept)
94     throw()
95 #endif
96   ;
97