1// RUN: %clang_cc1 -triple %itanium_abi_triple -verify -fsyntax-only -Wsign-conversion %s
2
3// NOTE: When a 'enumeral mismatch' warning is implemented then expect several
4// of the following cases to be impacted.
5
6// namespace for anonymous enums tests
7namespace test1 {
8  enum { A };
9  enum { B = -1 };
10
11  template <typename T> struct Foo {
12    enum { C };
13    enum { D = ~0U };
14  };
15
16  enum { E = ~0U };
17
18  void doit_anonymous( int i ) {
19    int a1 = 1 ? i : A;
20    int a2 = 1 ? A : i;
21
22    int b1 = 1 ? i : B;
23    int b2 = 1 ? B : i;
24
25    int c1 = 1 ? i : Foo<bool>::C;
26    int c2 = 1 ? Foo<bool>::C : i;
27
28    int d1a = 1 ? i : Foo<bool>::D; // expected-warning {{test1::Foo<bool>::(anonymous enum at }}
29    int d1b = 1 ? i : Foo<bool>::D; // expected-warning {{warn-sign-conversion.cpp:13:5)' to 'int'}}
30    int d2a = 1 ? Foo<bool>::D : i; // expected-warning {{operand of ? changes signedness: 'test1::Foo<bool>::(anonymous enum at }}
31    int d2b = 1 ? Foo<bool>::D : i; // expected-warning {{warn-sign-conversion.cpp:13:5)' to 'int'}}
32    int d3a = 1 ? B : Foo<bool>::D; // expected-warning {{operand of ? changes signedness: 'test1::Foo<bool>::(anonymous enum at }}
33    int d3b = 1 ? B : Foo<bool>::D; // expected-warning {{warn-sign-conversion.cpp:13:5)' to 'int'}}
34    int d4a = 1 ? Foo<bool>::D : B; // expected-warning {{operand of ? changes signedness: 'test1::Foo<bool>::(anonymous enum at }}
35    int d4b = 1 ? Foo<bool>::D : B; // expected-warning {{warn-sign-conversion.cpp:13:5)' to 'int'}}
36
37    int e1a = 1 ? i : E; // expected-warning {{operand of ? changes signedness: 'test1::(anonymous enum at }}
38    int e1b = 1 ? i : E; // expected-warning {{warn-sign-conversion.cpp:16:3)' to 'int'}}
39    int e2a = 1 ? E : i; // expected-warning {{operand of ? changes signedness: 'test1::(anonymous enum at }}
40    int e2b = 1 ? E : i; // expected-warning {{warn-sign-conversion.cpp:16:3)' to 'int'}}
41    int e3a = 1 ? E : B; // expected-warning {{operand of ? changes signedness: 'test1::(anonymous enum at }}
42    int e3b = 1 ? E : B; // expected-warning {{warn-sign-conversion.cpp:16:3)' to 'int'}}
43    int e4a = 1 ? B : E; // expected-warning {{operand of ? changes signedness: 'test1::(anonymous enum at }}
44    int e4b = 1 ? B : E; // expected-warning {{warn-sign-conversion.cpp:16:3)' to 'int'}}
45  }
46}
47
48// namespace for named enums tests
49namespace test2 {
50  enum Named1 { A };
51  enum Named2 { B = -1 };
52
53  template <typename T> struct Foo {
54    enum Named3 { C };
55    enum Named4 { D = ~0U };
56  };
57
58  enum Named5 { E = ~0U };
59
60  void doit_anonymous( int i ) {
61    int a1 = 1 ? i : A;
62    int a2 = 1 ? A : i;
63
64    int b1 = 1 ? i : B;
65    int b2 = 1 ? B : i;
66
67    int c1 = 1 ? i : Foo<bool>::C;
68    int c2 = 1 ? Foo<bool>::C : i;
69
70    int d1 = 1 ? i : Foo<bool>::D; // expected-warning {{operand of ? changes signedness: 'test2::Foo<bool>::Named4' to 'int'}}
71    int d2 = 1 ? Foo<bool>::D : i; // expected-warning {{operand of ? changes signedness: 'test2::Foo<bool>::Named4' to 'int'}}
72    int d3 = 1 ? B : Foo<bool>::D; // expected-warning {{operand of ? changes signedness: 'test2::Foo<bool>::Named4' to 'int'}}
73    int d4 = 1 ? Foo<bool>::D : B; // expected-warning {{operand of ? changes signedness: 'test2::Foo<bool>::Named4' to 'int'}}
74
75    int e1 = 1 ? i : E; // expected-warning {{operand of ? changes signedness: 'test2::Named5' to 'int'}}
76    int e2 = 1 ? E : i; // expected-warning {{operand of ? changes signedness: 'test2::Named5' to 'int'}}
77    int e3 = 1 ? E : B; // expected-warning {{operand of ? changes signedness: 'test2::Named5' to 'int'}}
78    int e4 = 1 ? B : E; // expected-warning {{operand of ? changes signedness: 'test2::Named5' to 'int'}}
79  }
80}
81