1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3// Obj-C string literal expressions
4template <typename T> struct StringTest {
5  void f() {
6    (void)@"Hello";
7  }
8};
9
10template struct StringTest<int>;
11template struct StringTest<double>;
12
13// @selector expressions
14template <typename T> struct SelectorTest {
15  SEL f() {
16    return @selector(multiple:arguments:);
17  }
18  SEL f2() {
19    return @selector(multiple:arguments:);
20  }
21};
22
23template struct SelectorTest<int>;
24template struct SelectorTest<double>;
25
26// @protocol expressions
27@protocol P
28@end
29
30template <typename T> struct ProtocolTest {
31  void f() {
32    (void)@protocol(P);
33  }
34};
35
36template struct ProtocolTest<int>;
37template struct ProtocolTest<double>;
38
39// @encode expressions
40template <typename T> struct EncodeTest {
41  static const char *encode(T t) {
42    return @encode(T);
43  }
44};
45
46template struct EncodeTest<int>;
47template struct EncodeTest<double>;
48template struct EncodeTest<wchar_t>;
49
50// @() boxing expressions.
51template <typename T> struct BoxingTest {
52  static id box(T value) {
53    return @(value);                     // expected-error {{illegal type 'int *' used in a boxed expression}} \
54                                         // expected-error {{illegal type 'long double' used in a boxed expression}}
55  }
56};
57
58@interface NSNumber
59+ (NSNumber *)numberWithInt:(int)value;
60@end
61
62@interface NSString
63+ (id)stringWithUTF8String:(const char *)str;
64@end
65
66template struct BoxingTest<int>;
67template struct BoxingTest<const char *>;
68template struct BoxingTest<int *>;        // expected-note {{in instantiation of member function 'BoxingTest<int *>::box' requested here}}
69template struct BoxingTest<long double>;  // expected-note {{in instantiation of member function 'BoxingTest<long double>::box' requested here}}
70