File: warn-bitwise-negation-bool.c

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (24 lines) | stat: -rw-r--r-- 1,352 bytes parent folder | download | duplicates (19)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// RUN: %clang_cc1 -x c -fsyntax-only -verify -Wbool-operation %s
// RUN: %clang_cc1 -x c -fsyntax-only -verify -Wall %s
// RUN: %clang_cc1 -x c -fsyntax-only -Wbool-operation -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
// RUN: %clang_cc1 -x c++ -fsyntax-only -verify -Wbool-operation %s
// RUN: %clang_cc1 -x c++ -fsyntax-only -verify -Wall %s
// RUN: %clang_cc1 -x c++ -fsyntax-only -Wbool-operation -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s

#ifdef __cplusplus
typedef bool boolean;
#else
typedef _Bool boolean;
#endif

void test(boolean b, int i) {
  b = ~b; // expected-warning {{bitwise negation of a boolean expression always evaluates to 'true'; did you mean logical negation?}}
  // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:7-[[@LINE-1]]:8}:"!"
  b = ~(b); // expected-warning {{bitwise negation of a boolean expression always evaluates to 'true'; did you mean logical negation?}}
  // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:7-[[@LINE-1]]:8}:"!"
  b = ~i;
  i = ~b; // expected-warning {{bitwise negation of a boolean expression; did you mean logical negation?}}
  // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:7-[[@LINE-1]]:8}:"!"
  b = ~(i > 4); // expected-warning {{bitwise negation of a boolean expression always evaluates to 'true'; did you mean logical negation?}}
  // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:7-[[@LINE-1]]:8}:"!"
}