1 /* PR preprocessor/103026 */
2 /* { dg-do compile } */
3 /* { dg-options "-Wbidi-chars=unpaired,ucn -fdiagnostics-show-caret" } */
4 /* Verify that we escape and underline pertinent bidirectional
5 control characters when quoting the source. */
6
7 int test_unpaired_bidi () {
8 int isAdmin = 0;
9 /* } if (isAdmin) begin admins only */
10 /* { dg-warning "bidirectional" "" { target *-*-* } .-1 } */
11 #if 0
12 { dg-begin-multiline-output "" }
13 /*<U+202E> } <U+2066>if (isAdmin)<U+2069> <U+2066> begin admins only */
14 ~~~~~~~~ ~~~~~~~~ ^
15 | | |
16 | | end of bidirectional context
17 U+202E (RIGHT-TO-LEFT OVERRIDE) U+2066 (LEFT-TO-RIGHT ISOLATE)
18 { dg-end-multiline-output "" }
19 #endif
20
21 __builtin_printf("You are an admin.\n");
22 /* end admins only { */
23 /* { dg-warning "bidirectional" "" { target *-*-* } .-1 } */
24 #if 0
25 { dg-begin-multiline-output "" }
26 /* end admins only <U+202E> { <U+2066>*/
27 ~~~~~~~~ ~~~~~~~~ ^
28 | | |
29 | | end of bidirectional context
30 | U+2066 (LEFT-TO-RIGHT ISOLATE)
31 U+202E (RIGHT-TO-LEFT OVERRIDE)
32 { dg-end-multiline-output "" }
33 #endif
34
35 return 0;
36 }
37
38 int LRE__PDF_\u202c;
39 /* { dg-warning "mismatch" "" { target *-*-* } .-1 } */
40 #if 0
41 { dg-begin-multiline-output "" }
42 int LRE_<U+202A>_PDF_\u202c;
43 ~~~~~~~~ ^~~~~~
44 { dg-end-multiline-output "" }
45 #endif
46
47 const char *s1 = "LRE__PDF_\u202c";
48 /* { dg-warning "mismatch" "" { target *-*-* } .-1 } */
49 #if 0
50 { dg-begin-multiline-output "" }
51 const char *s1 = "LRE_<U+202A>_PDF_\u202c";
52 ~~~~~~~~ ^~~~~~
53 { dg-end-multiline-output "" }
54 #endif