xref: /llvm-project/clang/test/Sema/objc-bool-constant-conversion.m (revision 5e8626c920a8cffff4e286cd8521528cc80c0a3e)
1// RUN: %clang_cc1 %s -verify -fsyntax-only
2// RUN: %clang_cc1 %s -verify -fsyntax-only -fexperimental-new-constant-interpreter
3
4typedef signed char BOOL;
5#define YES __objc_yes
6#define NO __objc_no
7
8BOOL B;
9
10int main(void) {
11  B = 0;
12  B = 1;
13  B = YES;
14  B = NO;
15
16  B = -1; // expected-warning{{implicit conversion from constant value -1 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
17  B = 0 - 1; // expected-warning{{implicit conversion from constant value -1 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
18  B = YES + YES; // expected-warning {{implicit conversion from constant value 2 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
19  B = YES | YES;
20
21  B = B ? 2 : 2; // expected-warning 2 {{implicit conversion from constant value 2 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
22
23  BOOL Init = -1; // expected-warning{{implicit conversion from constant value -1 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
24  BOOL Init2 = B ? 2 : 2; // expected-warning 2 {{implicit conversion from constant value 2 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
25
26  void takesbool(BOOL);
27  takesbool(43); // expected-warning {{implicit conversion from constant value 43 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
28
29  BOOL OutOfRange = 400; // expected-warning{{implicit conversion from constant value 400 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
30}
31
32@interface BoolProp
33@property BOOL b;
34@end
35
36void f(BoolProp *bp) {
37  bp.b = 43; // expected-warning {{implicit conversion from constant value 43 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
38  [bp setB:43]; // expected-warning {{implicit conversion from constant value 43 to 'BOOL'; the only well defined values for 'BOOL' are YES and NO}}
39}
40