llvm-project/clang-tools-extra/test/clang-tidy/checkers/cert-str34-c.cpp

19 lines
620 B
C++

// RUN: %check_clang_tidy %s cert-str34-c %t
// Check whether alias is actually working.
int SimpleVarDeclaration() {
signed char CCharacter = -5;
int NCharacter = CCharacter;
// CHECK-MESSAGES: [[@LINE-1]]:20: warning: 'signed char' to 'int' conversion; consider casting to 'unsigned char' first. [cert-str34-c]
return NCharacter;
}
// Check whether bugprone-signed-char-misuse.DiagnoseSignedUnsignedCharComparisons option is set correctly.
int SignedUnsignedCharEquality(signed char SCharacter) {
unsigned char USCharacter = 'a';
if (SCharacter == USCharacter) // no warning
return 1;
return 0;
}