1 // RUN: %clang_cc1 -fsyntax-only -Wstring-conversion -verify %s
2 
3 // Warn on cases where a string literal is converted into a bool.
4 // An exception is made for this in logical operators.
5 void assert(bool condition);
6 void test0() {
7   bool b0 = "hi"; // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
8   b0 = ""; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}}
9   b0 = 0 && "";
10   assert("error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}}
11   assert(0 && "error");
12 
13   while("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
14   do {} while("hi"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
15   for (;"hi";); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
16   if("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
17 }
18 
19