1 // RUN: %check_clang_tidy %s readability-uppercase-literal-suffix %t -- -config="{CheckOptions: [{key: readability-uppercase-literal-suffix.NewSuffixes, value: 'L;uL'}]}" -- -I %S
2 // RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
3 // RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -fix -config="{CheckOptions: [{key: readability-uppercase-literal-suffix.NewSuffixes, value: 'L;uL'}]}" -- -I %S
4 // RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -warnings-as-errors='-*,readability-uppercase-literal-suffix' -config="{CheckOptions: [{key: readability-uppercase-literal-suffix.NewSuffixes, value: 'L;uL'}]}" -- -I %S
5 
6 #include "readability-uppercase-literal-suffix.h"
7 
integer_suffix()8 void integer_suffix() {
9   // Unsigned
10 
11   static constexpr auto v3 = 1u; // OK.
12   static_assert(is_same<decltype(v3), const unsigned int>::value, "");
13   static_assert(v3 == 1, "");
14 
15   static constexpr auto v4 = 1U; // OK.
16   static_assert(is_same<decltype(v4), const unsigned int>::value, "");
17   static_assert(v4 == 1, "");
18 
19   // Long
20 
21   static constexpr auto v5 = 1l;
22   // CHECK-MESSAGES: :[[@LINE-1]]:30: warning: integer literal has suffix 'l', which is not uppercase
23   // CHECK-MESSAGES-NEXT: static constexpr auto v5 = 1l;
24   // CHECK-MESSAGES-NEXT: ^~
25   // CHECK-MESSAGES-NEXT: {{^ *}}L{{$}}
26   // CHECK-FIXES: static constexpr auto v5 = 1L;
27   static_assert(is_same<decltype(v5), const long>::value, "");
28   static_assert(v5 == 1, "");
29 
30   static constexpr auto v6 = 1L; // OK.
31   static_assert(is_same<decltype(v6), const long>::value, "");
32   static_assert(v6 == 1, "");
33 
34   // Long Long
35 
36   static constexpr auto v7 = 1ll; // OK.
37   static_assert(is_same<decltype(v7), const long long>::value, "");
38   static_assert(v7 == 1, "");
39 
40   static constexpr auto v8 = 1LL; // OK.
41   static_assert(is_same<decltype(v8), const long long>::value, "");
42   static_assert(v8 == 1, "");
43 
44   // Unsigned Long
45 
46   static constexpr auto v9 = 1ul;
47   // CHECK-MESSAGES: :[[@LINE-1]]:30: warning: integer literal has suffix 'ul', which is not uppercase
48   // CHECK-MESSAGES-NEXT: static constexpr auto v9 = 1ul;
49   // CHECK-MESSAGES-NEXT: ^~~
50   // CHECK-MESSAGES-NEXT: {{^ *}}uL{{$}}
51   // CHECK-FIXES: static constexpr auto v9 = 1uL;
52   static_assert(is_same<decltype(v9), const unsigned long>::value, "");
53   static_assert(v9 == 1, "");
54 
55   static constexpr auto v10 = 1uL; // OK.
56   static_assert(is_same<decltype(v10), const unsigned long>::value, "");
57   static_assert(v10 == 1, "");
58 
59   static constexpr auto v11 = 1Ul;
60   // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'Ul', which is not uppercase
61   // CHECK-MESSAGES-NEXT: static constexpr auto v11 = 1Ul;
62   // CHECK-MESSAGES-NEXT: ^~~
63   // CHECK-MESSAGES-NEXT: {{^ *}}uL{{$}}
64   // CHECK-FIXES: static constexpr auto v11 = 1uL;
65   static_assert(is_same<decltype(v11), const unsigned long>::value, "");
66   static_assert(v11 == 1, "");
67 
68   static constexpr auto v12 = 1UL; // OK.
69   // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'UL', which is not uppercase
70   // CHECK-MESSAGES-NEXT: static constexpr auto v12 = 1UL;
71   // CHECK-MESSAGES-NEXT: ^~~
72   // CHECK-MESSAGES-NEXT: {{^ *}}uL{{$}}
73   // CHECK-FIXES: static constexpr auto v12 = 1uL;
74   static_assert(is_same<decltype(v12), const unsigned long>::value, "");
75   static_assert(v12 == 1, "");
76 
77   // Long Unsigned
78 
79   static constexpr auto v13 = 1lu; // OK.
80   static_assert(is_same<decltype(v13), const unsigned long>::value, "");
81   static_assert(v13 == 1, "");
82 
83   static constexpr auto v14 = 1Lu; // OK.
84   static_assert(is_same<decltype(v14), const unsigned long>::value, "");
85   static_assert(v14 == 1, "");
86 
87   static constexpr auto v15 = 1lU; // OK.
88   static_assert(is_same<decltype(v15), const unsigned long>::value, "");
89   static_assert(v15 == 1, "");
90 
91   static constexpr auto v16 = 1LU; // OK.
92   static_assert(is_same<decltype(v16), const unsigned long>::value, "");
93   static_assert(v16 == 1, "");
94 
95   // Unsigned Long Long
96 
97   static constexpr auto v17 = 1ull; // OK.
98   static_assert(is_same<decltype(v17), const unsigned long long>::value, "");
99   static_assert(v17 == 1, "");
100 
101   static constexpr auto v18 = 1uLL; // OK.
102   static_assert(is_same<decltype(v18), const unsigned long long>::value, "");
103   static_assert(v18 == 1, "");
104 
105   static constexpr auto v19 = 1Ull; // OK.
106   static_assert(is_same<decltype(v19), const unsigned long long>::value, "");
107   static_assert(v19 == 1, "");
108 
109   static constexpr auto v20 = 1ULL; // OK.
110   static_assert(is_same<decltype(v20), const unsigned long long>::value, "");
111   static_assert(v20 == 1, "");
112 
113   // Long Long Unsigned
114 
115   static constexpr auto v21 = 1llu; // OK.
116   static_assert(is_same<decltype(v21), const unsigned long long>::value, "");
117   static_assert(v21 == 1, "");
118 
119   static constexpr auto v22 = 1LLu; // OK.
120   static_assert(is_same<decltype(v22), const unsigned long long>::value, "");
121   static_assert(v22 == 1, "");
122 
123   static constexpr auto v23 = 1llU; // OK.
124   static_assert(is_same<decltype(v23), const unsigned long long>::value, "");
125   static_assert(v23 == 1, "");
126 
127   static constexpr auto v24 = 1LLU; // OK.
128   static_assert(is_same<decltype(v24), const unsigned long long>::value, "");
129   static_assert(v24 == 1, "");
130 }
131