hicpp-signed-bitwise-integer-literals.cpp
1021 Bytes
// RUN: %check_clang_tidy %s hicpp-signed-bitwise %t -- \
// RUN: -config="{CheckOptions: [{key: hicpp-signed-bitwise.IgnorePositiveIntegerLiterals, value: 1 }]}" \
// RUN: -- -std=c++11
void examples() {
unsigned UValue = 40u;
unsigned URes;
URes = UValue & 1u; //Ok
URes = UValue & -1;
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use of a signed integer operand with a binary bitwise operator
unsigned URes2 = URes << 1; //Ok
int IResult;
IResult = 10 & 2; //Ok
IResult = 3 << -1;
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use of a signed integer operand with a binary bitwise operator
int Int = 30;
IResult = Int << 1;
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use of a signed integer operand with a binary bitwise operator
IResult = ~0; //Ok
}
enum EnumConstruction {
one = 1,
two = 2,
test1 = 1 << 12, //Ok
test2 = one << two,
// CHECK-MESSAGES: :[[@LINE-1]]:11: warning: use of a signed integer operand with a binary bitwise operator
test3 = 1u << 12, //Ok
};