1// RUN: not %clang_cc1 %s -fsyntax-only -fmessage-length 75 -o /dev/null 2>&1 | FileCheck %s -strict-whitespace
2
3// Test case for the text diagnostics source column conversion crash.
4
5// This test case tries to check the error diagnostic message printer, which is
6// responsible to create the code snippet shorter than the message-length (in
7// number of columns.)
8//
9// The error diagnostic message printer should be able to handle the non-ascii
10// characters without any segmentation fault or assertion failure.  If your
11// changes to clang frontend crashes this case, it is likely that you are mixing
12// column index with byte index which are two totally different concepts.
13
14// NOTE: This file is encoded in UTF-8 and intentionally contains some
15// non-ASCII characters.
16
17__attribute__((format(printf, 1, 2)))
18extern int printf(const char *fmt, ...);
19
20void test1(Unknown* b);  // αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα
21// CHECK: unknown type name 'Unknown'
22// CHECK-NEXT: void test1(Unknown* b);  // αααα αααα αααα αααα αααα αααα αααα ααα...
23// CHECK-NEXT: {{^           \^$}}
24
25void test2(Unknown* b);  // αααα αααα αααα αααα αααα αααα αααα αααα αααα
26
27// CHECK: unknown type name 'Unknown'
28// CHECK-NEXT: void test2(Unknown* b);  // αααα αααα αααα αααα αααα αααα αααα αααα αααα
29// CHECK-NEXT: {{^           \^$}}
30
31void test3() {
32   /* αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s");
33}
34// CHECK:       format specifies type 'int' but the argument has type 'char *'
35// CHECK-NEXT:   ...αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s");
36// CHECK-NEXT: {{^                                                             ~~   \^~~$}}
37// CHECK-NEXT: {{^                                                             %s$}}
38