Mercurial > hg > CbC > CbC_llvm
view clang/test/SemaCXX/warn-string-conversion.cpp @ 222:81f6424ef0e3 llvm-original
LLVM original branch
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Sun, 18 Jul 2021 22:10:01 +0900 |
parents | 1d019706d866 |
children | c4bab56944e8 |
line wrap: on
line source
// RUN: %clang_cc1 -fsyntax-only -Wstring-conversion -verify %s // Warn on cases where a string literal is converted into a bool. // An exception is made for this in logical and operators. void assert(bool condition); void test0() { bool b0 = "hi"; // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} b0 = ""; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}} b0 = 0 || ""; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}} b0 = "" || 0; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}} b0 = 0 && ""; b0 = "" && 0; assert("error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}} assert(0 || "error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}} assert("error" || 0); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}} assert(0 && "error"); assert("error" && 0); while("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} do {} while("hi"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} for (;"hi";); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} if("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} }