1// RUN: %clang_cc1 -ffreestanding -Eonly -verify %s
2
3// Try different path permutations of __has_include with existing file.
4#if __has_include("stdint.h")
5#else
6  #error "__has_include failed (1)."
7#endif
8
9#if __has_include(<stdint.h>)
10#else
11  #error "__has_include failed (2)."
12#endif
13
14// Try unary expression.
15#if !__has_include("stdint.h")
16  #error "__has_include failed (5)."
17#endif
18
19// Try binary expression.
20#if __has_include("stdint.h") && __has_include("stddef.h")
21#else
22  #error "__has_include failed (6)."
23#endif
24
25// Try non-existing file.
26#if __has_include("blahblah.h")
27  #error "__has_include failed (7)."
28#endif
29
30// Try defined.
31#if !defined(__has_include)
32  #error "defined(__has_include) failed (8)."
33#endif
34
35// Try different path permutations of __has_include_next with existing file.
36#if __has_include_next("stddef.h") // expected-warning {{#include_next in primary source file}}
37#else
38  #error "__has_include failed (1)."
39#endif
40
41#if __has_include_next(<stddef.h>) // expected-warning {{#include_next in primary source file}}
42#else
43  #error "__has_include failed (2)."
44#endif
45
46// Try unary expression.
47#if !__has_include_next("stdint.h") // expected-warning {{#include_next in primary source file}}
48  #error "__has_include_next failed (5)."
49#endif
50
51// Try binary expression.
52#if __has_include_next("stdint.h") && __has_include("stddef.h") // expected-warning {{#include_next in primary source file}}
53#else
54  #error "__has_include_next failed (6)."
55#endif
56
57// Try non-existing file.
58#if __has_include_next("blahblah.h") // expected-warning {{#include_next in primary source file}}
59  #error "__has_include_next failed (7)."
60#endif
61
62// Try defined.
63#if !defined(__has_include_next)
64  #error "defined(__has_include_next) failed (8)."
65#endif
66
67// Try badly formed expressions.
68// FIXME: I don't quite know how to avoid preprocessor side effects.
69// Use FileCheck?
70// It also assert due to unterminated #if's.
71//#if __has_include("stdint.h"
72//#if __has_include "stdint.h")
73//#if __has_include(stdint.h)
74//#if __has_include()
75//#if __has_include(
76//#if __has_include)
77//#if __has_include
78//#if __has_include(<stdint.h>
79//#if __has_include<stdint.h>)
80//#if __has_include("stdint.h)
81//#if __has_include(stdint.h")
82//#if __has_include(<stdint.h)
83//#if __has_include(stdint.h>)
84