| Richard Trieu | f4a0e9a | 2018-03-15 00:09:26 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin %s |
| 2 | |
| 3 | // This file tests -Wconstant-conversion, a subcategory of -Wconversion |
| 4 | // which is on by default. |
| 5 | |
| 6 | constexpr int nines() { return 99999; } |
| 7 | |
| 8 | void too_big_for_char(int param) { |
| 9 | char warn1 = false ? 0 : 99999; |
| 10 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
| 11 | char warn2 = false ? 0 : nines(); |
| 12 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
| 13 | |
| 14 | char warn3 = param > 0 ? 0 : 99999; |
| 15 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
| 16 | char warn4 = param > 0 ? 0 : nines(); |
| 17 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
| 18 | |
| 19 | char ok1 = true ? 0 : 99999; |
| 20 | char ok2 = true ? 0 : nines(); |
| 21 | |
| 22 | char ok3 = true ? 0 : 99999 + 1; |
| 23 | char ok4 = true ? 0 : nines() + 1; |
| 24 | } |