25 lines
1.6 KiB
C++
25 lines
1.6 KiB
C++
|
// 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'}}
|
||
|
|
}
|
||
|
|
|