YouCompleteMe/cpp/llvm/tools/clang/test/SemaCXX/warn-string-conversion.cpp

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// 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 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 && "";
assert("error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}}
assert(0 && "error");
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'}}
}