| Ryan Govostes | b141b28 | 2012-02-11 16:32:09 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -std=c99 -analyze -analyzer-checker=core,experimental.core.BoolAssignment -analyzer-store=region -verify %s |
| 2 | |
| 3 | // Test stdbool.h's _Bool |
| 4 | |
| 5 | // Prior to C99, stdbool.h uses this typedef, but even in ANSI C mode, _Bool |
| 6 | // appears to be defined. |
| 7 | |
| 8 | // #if __STDC_VERSION__ < 199901L |
| 9 | // typedef int _Bool; |
| 10 | // #endif |
| 11 | |
| 12 | void test_stdbool_initialization(int y) { |
| 13 | if (y < 0) { |
| 14 | _Bool x = y; // expected-warning {{Assignment of a non-Boolean value}} |
| 15 | return; |
| 16 | } |
| 17 | if (y > 1) { |
| 18 | _Bool x = y; // expected-warning {{Assignment of a non-Boolean value}} |
| 19 | return; |
| 20 | } |
| 21 | _Bool x = y; // no-warning |
| 22 | } |
| 23 | |
| 24 | void test_stdbool_assignment(int y) { |
| 25 | _Bool x = 0; // no-warning |
| 26 | if (y < 0) { |
| 27 | x = y; // expected-warning {{Assignment of a non-Boolean value}} |
| 28 | return; |
| 29 | } |
| 30 | if (y > 1) { |
| 31 | x = y; // expected-warning {{Assignment of a non-Boolean value}} |
| 32 | return; |
| 33 | } |
| 34 | x = y; // no-warning |
| 35 | } |