File: objc-bool-constant-conversion.m

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (38 lines) | stat: -rw-r--r-- 1,755 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// RUN: %clang_cc1 %s -verify -fsyntax-only

typedef signed char BOOL;
#define YES __objc_yes
#define NO __objc_no

BOOL B;

int main() {
  B = 0;
  B = 1;
  B = YES;
  B = NO;

  B = -1; // expected-warning{{implicit conversion from constant value -1 to BOOL; the only well defined values for BOOL are YES and NO}}
  B = 0 - 1; // expected-warning{{implicit conversion from constant value -1 to BOOL; the only well defined values for BOOL are YES and NO}}
  B = YES + YES; // expected-warning {{implicit conversion from constant value 2 to BOOL; the only well defined values for BOOL are YES and NO}}
  B = YES | YES;

  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}}

  BOOL Init = -1; // expected-warning{{implicit conversion from constant value -1 to BOOL; the only well defined values for BOOL are YES and NO}}
  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}}

  void takesbool(BOOL);
  takesbool(43); // expected-warning {{implicit conversion from constant value 43 to BOOL; the only well defined values for BOOL are YES and NO}}

  BOOL OutOfRange = 400; // expected-warning{{implicit conversion from constant value 400 to BOOL; the only well defined values for BOOL are YES and NO}}
}

@interface BoolProp
@property BOOL b;
@end

void f(BoolProp *bp) {
  bp.b = 43; // expected-warning {{implicit conversion from constant value 43 to BOOL; the only well defined values for BOOL are YES and NO}}
  [bp setB:43]; // expected-warning {{implicit conversion from constant value 43 to BOOL; the only well defined values for BOOL are YES and NO}}
}