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// RUN: %check_clang_tidy -std=c++11-or-later %s bugprone-non-zero-enum-to-bool-conversion %t
namespace with::issue {
enum class EStatusC : char {
SUCCESS = 1,
FAILURE = 2,
INVALID_PARAM = 3,
UNKNOWN = 4
};
bool testEnumConversion(EStatusC value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EStatusC' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return static_cast<bool>(value);
}
enum class EStatusS : short {
SUCCESS = 1,
FAILURE = 2,
INVALID_PARAM = 3,
UNKNOWN = 4
};
bool testEnumConversion(EStatusS value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EStatusS' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return static_cast<bool>(value);
}
enum class EStatusI : int {
SUCCESS = 1,
FAILURE = 2,
INVALID_PARAM = 3,
UNKNOWN = 4
};
bool testEnumConversion(EStatusI value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EStatusI' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return static_cast<bool>(value);
}
enum class EStatus {
SUCCESS = 1,
FAILURE = 2,
INVALID_PARAM = 3,
UNKNOWN = 4
};
bool testEnumConversion(EStatus value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EStatus' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return static_cast<bool>(value);
}
namespace enum_int {
enum EResult : int {
OK = 1,
NOT_OK
};
bool testEnumConversion(const EResult& value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EResult' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return value;
}
}
namespace enum_short {
enum EResult : short {
OK = 1,
NOT_OK
};
bool testEnumConversion(const EResult& value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EResult' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return value;
}
}
namespace enum_char {
enum EResult : char {
OK = 1,
NOT_OK
};
bool testEnumConversion(const EResult& value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EResult' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return value;
}
}
namespace enum_default {
enum EResult {
OK = 1,
NOT_OK
};
bool testEnumConversion(const EResult& value) {
// CHECK-MESSAGES: :[[@LINE+1]]:10: warning: conversion of 'EResult' into 'bool' will always return 'true', enum doesn't have a zero-value enumerator [bugprone-non-zero-enum-to-bool-conversion]
return value;
}
}
}
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