1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -Wstring-conversion -verify %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc // Warn on cases where a string literal is converted into a bool. 4*f4a2713aSLionel Sambuc // An exception is made for this in logical operators. 5*f4a2713aSLionel Sambuc void assert(bool condition); 6*f4a2713aSLionel Sambuc void test0() { 7*f4a2713aSLionel Sambuc bool b0 = "hi"; // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} 8*f4a2713aSLionel Sambuc b0 = ""; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}} 9*f4a2713aSLionel Sambuc b0 = 0 && ""; 10*f4a2713aSLionel Sambuc assert("error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}} 11*f4a2713aSLionel Sambuc assert(0 && "error"); 12*f4a2713aSLionel Sambuc 13*f4a2713aSLionel Sambuc while("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} 14*f4a2713aSLionel Sambuc do {} while("hi"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} 15*f4a2713aSLionel Sambuc for (;"hi";); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} 16*f4a2713aSLionel Sambuc if("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}} 17*f4a2713aSLionel Sambuc } 18*f4a2713aSLionel Sambuc 19