37 lines · cpp
1// RUN: %check_clang_tidy %s hicpp-signed-bitwise %t -- \2// RUN: -config="{CheckOptions: {hicpp-signed-bitwise.IgnorePositiveIntegerLiterals: true}}" \3// RUN: -- -std=c++114 5void examples() {6 unsigned UValue = 40u;7 unsigned URes;8 9 URes = UValue & 1u; //Ok10 URes = UValue & -1;11 // CHECK-MESSAGES: :[[@LINE-1]]:19: warning: use of a signed integer operand with a binary bitwise operator12 13 unsigned URes2 = URes << 1; //Ok14 unsigned URes3 = URes & 1; //Ok15 16 int IResult;17 IResult = 10 & 2; //Ok18 IResult = 3 << -1;19 // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: use of a signed integer operand with a binary bitwise operator20 21 int Int = 30;22 IResult = Int << 1;23 // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use of a signed integer operand with a binary bitwise operator24 IResult = ~0; //Ok25 IResult = -1 & 1;26 // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use of a signed integer operand with a binary bitwise operator [hicpp-signed-bitwise]27}28 29enum EnumConstruction {30 one = 1,31 two = 2,32 test1 = 1 << 12, //Ok33 test2 = one << two,34 // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: use of a signed integer operand with a binary bitwise operator35 test3 = 1u << 12, //Ok36};37