// RUN: %check_clang_tidy %s bugprone-signed-char-misuse %t -- -- -funsigned-char // Test framework needs something to catch, otherwise it fails. int SignedChar() { signed char CCharacter = -5; int NCharacter; NCharacter = CCharacter; // CHECK-MESSAGES: [[@LINE-1]]:16: warning: 'signed char' to 'int' conversion; consider casting to 'unsigned char' first. [bugprone-signed-char-misuse] return NCharacter; } int PlainChar() { char CCharacter = -5; int NCharacter = CCharacter; // no warning return NCharacter; }