1*89a1d03eSRichard // RUN: %check_clang_tidy %s modernize-deprecated-ios-base-aliases %t
2*89a1d03eSRichard 
3*89a1d03eSRichard namespace std {
4*89a1d03eSRichard class ios_base {
5*89a1d03eSRichard public:
6*89a1d03eSRichard   typedef int io_state;
7*89a1d03eSRichard   typedef int open_mode;
8*89a1d03eSRichard   typedef int seek_dir;
9*89a1d03eSRichard 
10*89a1d03eSRichard   typedef int streampos;
11*89a1d03eSRichard   typedef int streamoff;
12*89a1d03eSRichard };
13*89a1d03eSRichard 
14*89a1d03eSRichard template <class CharT>
15*89a1d03eSRichard class basic_ios : public ios_base {
16*89a1d03eSRichard };
17*89a1d03eSRichard } // namespace std
18*89a1d03eSRichard 
19*89a1d03eSRichard // Test function return values (declaration)
20*89a1d03eSRichard std::ios_base::io_state f_5();
21*89a1d03eSRichard // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: 'std::ios_base::io_state' is deprecated; use 'std::ios_base::iostate' instead [modernize-deprecated-ios-base-aliases]
22*89a1d03eSRichard // CHECK-FIXES: std::ios_base::iostate f_5();
23*89a1d03eSRichard 
24*89a1d03eSRichard // Test function parameters.
25*89a1d03eSRichard void f_6(std::ios_base::open_mode);
26*89a1d03eSRichard // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: 'std::ios_base::open_mode' is deprecated
27*89a1d03eSRichard // CHECK-FIXES: void f_6(std::ios_base::openmode);
28*89a1d03eSRichard void f_7(const std::ios_base::seek_dir &);
29*89a1d03eSRichard // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: 'std::ios_base::seek_dir' is deprecated
30*89a1d03eSRichard // CHECK-FIXES: void f_7(const std::ios_base::seekdir &);
31*89a1d03eSRichard 
32*89a1d03eSRichard // Test on record type fields.
33*89a1d03eSRichard struct A {
34*89a1d03eSRichard   std::ios_base::io_state field;
35*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::io_state' is deprecated
36*89a1d03eSRichard   // CHECK-FIXES: std::ios_base::iostate field;
37*89a1d03eSRichard 
38*89a1d03eSRichard   typedef std::ios_base::io_state int_ptr_type;
39*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:26: warning: 'std::ios_base::io_state' is deprecated
40*89a1d03eSRichard   // CHECK-FIXES: typedef std::ios_base::iostate int_ptr_type;
41*89a1d03eSRichard };
42*89a1d03eSRichard 
43*89a1d03eSRichard struct B : public std::ios_base {
44*89a1d03eSRichard   io_state a;
45*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: 'std::ios_base::io_state' is deprecated
46*89a1d03eSRichard   // CHECK-FIXES: iostate a;
47*89a1d03eSRichard };
48*89a1d03eSRichard 
49*89a1d03eSRichard struct C : public std::basic_ios<char> {
50*89a1d03eSRichard   io_state a;
51*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: 'std::ios_base::io_state' is deprecated
52*89a1d03eSRichard   // CHECK-FIXES: iostate a;
53*89a1d03eSRichard };
54*89a1d03eSRichard 
f_1()55*89a1d03eSRichard void f_1() {
56*89a1d03eSRichard   std::ios_base::io_state a;
57*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::io_state' is deprecated
58*89a1d03eSRichard   // CHECK-FIXES: std::ios_base::iostate a;
59*89a1d03eSRichard 
60*89a1d03eSRichard   // Check that spaces aren't modified unnecessarily.
61*89a1d03eSRichard   std :: ios_base :: io_state b;
62*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: 'std::ios_base::io_state' is deprecated
63*89a1d03eSRichard   // CHECK-FIXES: std :: ios_base :: iostate b;
64*89a1d03eSRichard 
65*89a1d03eSRichard   // Test construction from a temporary.
66*89a1d03eSRichard   std::ios_base::io_state c = std::ios_base::io_state{};
67*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::io_state' is deprecated
68*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-2]]:46: warning: 'std::ios_base::io_state' is deprecated
69*89a1d03eSRichard   // CHECK-FIXES: std::ios_base::iostate c = std::ios_base::iostate{};
70*89a1d03eSRichard 
71*89a1d03eSRichard   typedef std::ios_base::io_state alias1;
72*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:26: warning: 'std::ios_base::io_state' is deprecated
73*89a1d03eSRichard   // CHECK-FIXES: typedef std::ios_base::iostate alias1;
74*89a1d03eSRichard   alias1 d(a);
75*89a1d03eSRichard 
76*89a1d03eSRichard   using alias2 = std::ios_base::io_state;
77*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:33: warning: 'std::ios_base::io_state' is deprecated
78*89a1d03eSRichard   // CHECK-FIXES: using alias2 = std::ios_base::iostate;
79*89a1d03eSRichard   alias2 e;
80*89a1d03eSRichard 
81*89a1d03eSRichard   // Test pointers.
82*89a1d03eSRichard   std::ios_base::io_state *f;
83*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::io_state' is deprecated
84*89a1d03eSRichard   // CHECK-FIXES: std::ios_base::iostate *f;
85*89a1d03eSRichard 
86*89a1d03eSRichard   // Test 'static' declarations.
87*89a1d03eSRichard   static std::ios_base::io_state g;
88*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: 'std::ios_base::io_state' is deprecated
89*89a1d03eSRichard   // CHECK-FIXES: static std::ios_base::iostate g;
90*89a1d03eSRichard 
91*89a1d03eSRichard   // Test with cv-qualifiers.
92*89a1d03eSRichard   const std::ios_base::io_state h(0);
93*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:24: warning: 'std::ios_base::io_state' is deprecated
94*89a1d03eSRichard   // CHECK-FIXES: const std::ios_base::iostate h(0);
95*89a1d03eSRichard   volatile std::ios_base::io_state i;
96*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: 'std::ios_base::io_state' is deprecated
97*89a1d03eSRichard   // CHECK-FIXES: volatile std::ios_base::iostate i;
98*89a1d03eSRichard   const volatile std::ios_base::io_state j(0);
99*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:33: warning: 'std::ios_base::io_state' is deprecated
100*89a1d03eSRichard   // CHECK-FIXES: const volatile std::ios_base::iostate j(0);
101*89a1d03eSRichard 
102*89a1d03eSRichard   // Test auto and initializer-list.
103*89a1d03eSRichard   auto k = std::ios_base::io_state{};
104*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: 'std::ios_base::io_state' is deprecated
105*89a1d03eSRichard   // CHECK-FIXES: auto k = std::ios_base::iostate{};
106*89a1d03eSRichard 
107*89a1d03eSRichard   std::ios_base::io_state l{std::ios_base::io_state()};
108*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::io_state' is deprecated
109*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-2]]:44: warning: 'std::ios_base::io_state' is deprecated
110*89a1d03eSRichard   // CHECK-FIXES: std::ios_base::iostate l{std::ios_base::iostate()};
111*89a1d03eSRichard 
112*89a1d03eSRichard   // Test temporaries.
113*89a1d03eSRichard   std::ios_base::io_state();
114*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::io_state' is deprecated
115*89a1d03eSRichard   // CHECK-FIXES: std::ios_base::iostate();
116*89a1d03eSRichard 
117*89a1d03eSRichard   // Test inherited type usage
118*89a1d03eSRichard   std::basic_ios<char>::io_state m;
119*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: 'std::ios_base::io_state' is deprecated
120*89a1d03eSRichard   // CHECK-FIXES: std::basic_ios<char>::iostate m;
121*89a1d03eSRichard 
122*89a1d03eSRichard   std::ios_base::streampos n;
123*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::streampos' is deprecated [modernize-deprecated-ios-base-aliases]
124*89a1d03eSRichard 
125*89a1d03eSRichard   std::ios_base::streamoff o;
126*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: 'std::ios_base::streamoff' is deprecated [modernize-deprecated-ios-base-aliases]
127*89a1d03eSRichard }
128*89a1d03eSRichard 
129*89a1d03eSRichard // Test without the nested name specifiers.
f_2()130*89a1d03eSRichard void f_2() {
131*89a1d03eSRichard   using namespace std;
132*89a1d03eSRichard 
133*89a1d03eSRichard   ios_base::io_state a;
134*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: 'std::ios_base::io_state' is deprecated
135*89a1d03eSRichard   // CHECK-FIXES: ios_base::iostate a;
136*89a1d03eSRichard }
137*89a1d03eSRichard 
138*89a1d03eSRichard // Test messing-up with macros.
f_4()139*89a1d03eSRichard void f_4() {
140*89a1d03eSRichard #define MACRO_1 std::ios_base::io_state
141*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:32: warning: 'std::ios_base::io_state' is deprecated
142*89a1d03eSRichard   MACRO_1 a;
143*89a1d03eSRichard 
144*89a1d03eSRichard #define MACRO_2 io_state
145*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: 'std::ios_base::io_state' is deprecated
146*89a1d03eSRichard   std::ios_base::MACRO_2 b;
147*89a1d03eSRichard 
148*89a1d03eSRichard #define MACRO_3 std::ios_base
149*89a1d03eSRichard   MACRO_3::io_state c;
150*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: 'std::ios_base::io_state' is deprecated
151*89a1d03eSRichard 
152*89a1d03eSRichard #define MACRO_4(type) type::io_state
153*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:29: warning: 'std::ios_base::io_state' is deprecated
154*89a1d03eSRichard   MACRO_4(std::ios_base) d;
155*89a1d03eSRichard 
156*89a1d03eSRichard #undef MACRO_1
157*89a1d03eSRichard #undef MACRO_2
158*89a1d03eSRichard #undef MACRO_3
159*89a1d03eSRichard #undef MACRO_4
160*89a1d03eSRichard }
161*89a1d03eSRichard 
162*89a1d03eSRichard // Test function return values (definition).
f_5()163*89a1d03eSRichard std::ios_base::io_state f_5()
164*89a1d03eSRichard // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: 'std::ios_base::io_state' is deprecated
165*89a1d03eSRichard // CHECK-FIXES: std::ios_base::iostate f_5()
166*89a1d03eSRichard {
167*89a1d03eSRichard   // Test constructor.
168*89a1d03eSRichard   return std::ios_base::io_state(0);
169*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: 'std::ios_base::io_state' is deprecated
170*89a1d03eSRichard   // CHECK-FIXES: return std::ios_base::iostate(0);
171*89a1d03eSRichard }
172*89a1d03eSRichard 
173*89a1d03eSRichard // Test that other aliases with same name aren't replaced
174*89a1d03eSRichard struct my_ios_base {
175*89a1d03eSRichard   typedef int io_state;
176*89a1d03eSRichard };
177*89a1d03eSRichard 
178*89a1d03eSRichard namespace ns_1 {
179*89a1d03eSRichard struct my_ios_base2 {
180*89a1d03eSRichard   typedef int io_state;
181*89a1d03eSRichard };
182*89a1d03eSRichard } // namespace ns_1
183*89a1d03eSRichard 
f_8()184*89a1d03eSRichard void f_8() {
185*89a1d03eSRichard   my_ios_base::io_state a;
186*89a1d03eSRichard 
187*89a1d03eSRichard   ns_1::my_ios_base2::io_state b;
188*89a1d03eSRichard }
189*89a1d03eSRichard 
190*89a1d03eSRichard // Test templates
191*89a1d03eSRichard template <typename X>
f_9()192*89a1d03eSRichard void f_9() {
193*89a1d03eSRichard   typename std::basic_ios<X>::io_state p;
194*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: 'std::ios_base::io_state' is deprecated
195*89a1d03eSRichard   typename std::ios_base::io_state q;
196*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: 'std::ios_base::io_state' is deprecated
197*89a1d03eSRichard   // CHECK-FIXES: typename std::ios_base::iostate q;
198*89a1d03eSRichard }
199*89a1d03eSRichard 
200*89a1d03eSRichard template <typename T>
f_10(T arg)201*89a1d03eSRichard void f_10(T arg) {
202*89a1d03eSRichard   T x(arg);
203*89a1d03eSRichard }
204*89a1d03eSRichard 
205*89a1d03eSRichard template <typename T>
f_11()206*89a1d03eSRichard void f_11() {
207*89a1d03eSRichard   typename T::io_state x{};
208*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: 'std::ios_base::io_state' is deprecated
209*89a1d03eSRichard }
210*89a1d03eSRichard 
211*89a1d03eSRichard template <typename T>
212*89a1d03eSRichard struct D : std::ios_base {
213*89a1d03eSRichard   io_state a;
214*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: 'std::ios_base::io_state' is deprecated
215*89a1d03eSRichard   // CHECK-FIXES: iostate a;
216*89a1d03eSRichard 
217*89a1d03eSRichard   typename std::basic_ios<T>::io_state b;
218*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: 'std::ios_base::io_state' is deprecated
219*89a1d03eSRichard };
220*89a1d03eSRichard 
221*89a1d03eSRichard template <typename T>
222*89a1d03eSRichard struct E {
223*89a1d03eSRichard   T t;
224*89a1d03eSRichard };
225*89a1d03eSRichard 
f_12()226*89a1d03eSRichard void f_12() {
227*89a1d03eSRichard   f_9<char>();
228*89a1d03eSRichard 
229*89a1d03eSRichard   f_10<std::ios_base::io_state>(0);
230*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: 'std::ios_base::io_state' is deprecated
231*89a1d03eSRichard   // CHECK-FIXES: f_10<std::ios_base::iostate>(0);
232*89a1d03eSRichard 
233*89a1d03eSRichard   f_11<std::ios_base>();
234*89a1d03eSRichard   D<char> d;
235*89a1d03eSRichard 
236*89a1d03eSRichard   E<std::ios_base::io_state> e;
237*89a1d03eSRichard   // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: 'std::ios_base::io_state' is deprecated
238*89a1d03eSRichard   // CHECK-FIXES: E<std::ios_base::iostate> e;
239*89a1d03eSRichard }
240