path: root/clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp

// RUN: %check_clang_tidy -std=c++11,c++14,c++17 %s modernize-use-default-member-init %t -- -- -fexceptions
// FIXME: Fix the checker to work in C++20 mode.

struct S {
};

struct PositiveValueChar {
  PositiveValueChar() : c0(), c1()/*, c2(), c3()*/ {}
  // CHECK-FIXES: PositiveValueChar()  {}
  const char c0;
  // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: use default member initializer for 'c0' [modernize-use-default-member-init]
  // CHECK-FIXES: const char c0{};
  wchar_t c1;
  // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: use default member initializer for 'c1'
  // CHECK-FIXES: wchar_t c1{};
  // FIXME: char16_t c2;
  // C HECK-MESSAGES: :[[@LINE-1]]:12: warning: use default member initializer for 'c2'
  // C HECK-FIXES: char16_t c2{};
  // FIXME: char32_t c3;
  // C HECK-MESSAGES: :[[@LINE-1]]:12: warning: use default member initializer for 'c3'
  // C HECK-FIXES: char32_t c3{};
};

struct PositiveChar {
  PositiveChar() : d('a') {}
  // CHECK-FIXES: PositiveChar()  {}
  char d;
  // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use default member initializer for 'd'
  // CHECK-FIXES: char d{'a'};
};

struct PositiveValueInt {
  PositiveValueInt() : i() {}
  // CHECK-FIXES: PositiveValueInt()  {}
  const int i;
  // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use default member initializer for 'i'
  // CHECK-FIXES: const int i{};
};

struct PositiveInt {
  PositiveInt() : j(1) {}
  // CHECK-FIXES: PositiveInt()  {}
  int j;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'j'
  // CHECK-FIXES: int j{1};
};

struct PositiveNotDefaultInt {
  PositiveNotDefaultInt(int) : i(7) {}
  // CHECK-FIXES: PositiveNotDefaultInt(int)  {}
  int i;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'i'
  // CHECK-FIXES: int i{7};
};

// We cannot reconcile these initializers.
struct TwoConstructors {
    TwoConstructors(int) : i(7) {}
    TwoConstructors(int, int) : i(8) {}
    int i;
};

struct TwoConstructorsTpl {
  TwoConstructorsTpl() : i{7} {}
  template <typename T> TwoConstructorsTpl(T, int) : i(8) {}
  int i;
};

struct PositiveNotDefaultOOLInt {
  PositiveNotDefaultOOLInt(int);
  int i;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'i'
  // CHECK-FIXES: int i{7};
};

PositiveNotDefaultOOLInt::PositiveNotDefaultOOLInt(int) : i(7) {}
// CHECK-FIXES: PositiveNotDefaultOOLInt::PositiveNotDefaultOOLInt(int)  {}

struct PositiveNotDefaultOOLInt2 {
  PositiveNotDefaultOOLInt2(int, int);
  int i;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'i'
  // CHECK-FIXES: int i{7};
  int j;
};

PositiveNotDefaultOOLInt2::PositiveNotDefaultOOLInt2(int, int arg) : i(7), j(arg) {}
// CHECK-FIXES: PositiveNotDefaultOOLInt2::PositiveNotDefaultOOLInt2(int, int arg) :  j(arg) {}

struct PositiveUnaryMinusInt {
  PositiveUnaryMinusInt() : j(-1) {}
  // CHECK-FIXES: PositiveUnaryMinusInt()  {}
  int j;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'j'
  // CHECK-FIXES: int j{-1};
};

struct PositiveUnaryPlusInt {
  PositiveUnaryPlusInt() : j(+1) {}
  // CHECK-FIXES: PositiveUnaryPlusInt()  {}
  int j;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'j'
  // CHECK-FIXES: int j{+1};
};

struct PositiveValueComplexInt {
  PositiveValueComplexInt() : i() {}
  // CHECK-FIXES: PositiveValueComplexInt()  {}
  _Complex int i;
  // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: use default member initializer for 'i'
  // CHECK-FIXES: _Complex int i{};
};

struct PositiveValueFloat {
  PositiveValueFloat() : f() {}
  // CHECK-FIXES: PositiveValueFloat()  {}
  float f;
  // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use default member initializer for 'f'
  // CHECK-FIXES: float f{};
};

struct PositiveValueDouble {
  PositiveValueDouble() : d() {}
  // CHECK-FIXES: PositiveValueDouble()  {}
  double d;
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'd'
  // CHECK-FIXES: double d{};
};

struct PositiveDouble {
  PositiveDouble() : f(2.5463e43) {}
  // CHECK-FIXES: PositiveDouble()  {}
  double f;
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'f'
  // CHECK-FIXES: double f{2.5463e43};
};

struct PositiveValueComplexFloat {
  PositiveValueComplexFloat() : f() {}
  // CHECK-FIXES: PositiveValueComplexFloat()  {}
  _Complex float f;
  // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: use default member initializer for 'f'
  // CHECK-FIXES: _Complex float f{};
};

struct PositiveValueComplexDouble {
  PositiveValueComplexDouble() : f() {}
  // CHECK-FIXES: PositiveValueComplexDouble()  {}
  _Complex double f;
  // CHECK-MESSAGES: :[[@LINE-1]]:19: warning: use default member initializer for 'f'
  // CHECK-FIXES: _Complex double f{};
};

struct PositiveUnaryMinusDouble {
  PositiveUnaryMinusDouble() : f(-2.5463e43) {}
  // CHECK-FIXES: PositiveUnaryMinusDouble()  {}
  double f;
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'f'
  // CHECK-FIXES: double f{-2.5463e43};
};

struct PositiveUnaryPlusDouble {
  PositiveUnaryPlusDouble() : f(+2.5463e43) {}
  // CHECK-FIXES: PositiveUnaryPlusDouble()  {}
  double f;
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'f'
  // CHECK-FIXES: double f{+2.5463e43};
};

struct PositiveValueBool {
  PositiveValueBool() : b() {}
  // CHECK-FIXES: PositiveValueBool()  {}
  bool b;
  // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use default member initializer for 'b'
  // CHECK-FIXES: bool b{};
};

struct PositiveBool {
  PositiveBool() : a(true) {}
  // CHECK-FIXES: PositiveBool()  {}
  bool a;
  // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use default member initializer for 'a'
  // CHECK-FIXES: bool a{true};
};

struct PositiveValuePointer {
  PositiveValuePointer() : p() {}
  // CHECK-FIXES: PositiveValuePointer()  {}
  int *p;
  // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use default member initializer for 'p'
  // CHECK-FIXES: int *p{};
};

struct PositiveNullPointer {
  PositiveNullPointer() : q(nullptr) {}
  // CHECK-FIXES: PositiveNullPointer()  {}
  int *q;
  // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use default member initializer for 'q'
  // CHECK-FIXES: int *q{nullptr};
};

enum Enum { Foo, Bar };
struct PositiveEnum {
  PositiveEnum() : e(Foo) {}
  // CHECK-FIXES: PositiveEnum()  {}
  Enum e;
  // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use default member initializer for 'e'
  // CHECK-FIXES: Enum e{Foo};
};

struct PositiveValueEnum {
  PositiveValueEnum() : e() {}
  // CHECK-FIXES: PositiveValueEnum()  {}
  Enum e;
  // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use default member initializer for 'e'
  // CHECK-FIXES: Enum e{};
};

struct PositiveString {
  PositiveString() : s("foo") {}
  // CHECK-FIXES: PositiveString()  {}
  const char *s;
  // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: use default member initializer for 's'
  // CHECK-FIXES: const char *s{"foo"};
};

struct PositiveStruct {
  PositiveStruct() : s(7) {}
  // CHECK-FIXES: PositiveStruct()  {}
  struct {
    int s;
    // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use default member initializer for 's'
    // CHECK-FIXES: int s{7};
  };
};

template <typename T>
struct NegativeTemplate {
    NegativeTemplate() : t() {}
    T t;
};

NegativeTemplate<int> nti;
NegativeTemplate<double> ntd;

struct NegativeDefaultMember {
  NegativeDefaultMember() {}
  int i = 2;
};

struct NegativeClass : S {
  NegativeClass() : s() {}
  S s;
};

struct NegativeBase : S {
  NegativeBase() : S() {}
};

struct NegativeDefaultOtherMember{
  NegativeDefaultOtherMember() : i(3) {}
  int i = 4;
};

struct NegativeUnion {
  NegativeUnion() : d(5.0) {}
  union {
    int i;
    double d;
  };
};

struct NegativeBitField
{
  NegativeBitField() : i(6) {}
  int i : 5;
};

struct NegativeDefaultArg
{
  NegativeDefaultArg(int i = 4) : i(i) {}
  int i;
};

struct ExistingChar {
  ExistingChar(short) : e1(), e2{}, e3(), e4() {}
  // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: member initializer for 'e1' is redundant [modernize-use-default-member-init]
  // CHECK-MESSAGES: :[[@LINE-2]]:31: warning: member initializer for 'e2' is redundant
  // CHECK-MESSAGES: :[[@LINE-3]]:37: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingChar(short) :  e4() {}
  ExistingChar(int) : e1(0), e2{0}, e3(0), e4(0) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:30: warning: member initializer for 'e2' is redundant
  // CHECK-MESSAGES: :[[@LINE-3]]:37: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingChar(int) :  e4(0) {}
  ExistingChar(long) : e1('\0'), e2{'\0'}, e3('\0'), e4('\0') {}
  // CHECK-MESSAGES: :[[@LINE-1]]:24: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:34: warning: member initializer for 'e2' is redundant
  // CHECK-MESSAGES: :[[@LINE-3]]:44: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingChar(long) :  e4('\0') {}
  ExistingChar(char) : e1('a'), e2{'a'}, e3('a'), e4('a') {}
  // CHECK-MESSAGES: :[[@LINE-1]]:51: warning: member initializer for 'e4' is redundant
  // CHECK-FIXES: ExistingChar(char) : e1('a'), e2{'a'}, e3('a') {}
  char e1{};
  char e2 = 0;
  char e3 = '\0';
  char e4 = 'a';
};

struct ExistingInt {
  ExistingInt(short) : e1(), e2{}, e3(), e4(), e5(), e6() {}
  // CHECK-MESSAGES: :[[@LINE-1]]:24: warning: member initializer for 'e1' is redundant [modernize-use-default-member-init]
  // CHECK-MESSAGES: :[[@LINE-2]]:30: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingInt(short) :  e3(), e4(), e5(), e6() {}
  ExistingInt(int) : e1(0), e2{0}, e3(0), e4(0), e5(0), e6(0) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:29: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingInt(int) :  e3(0), e4(0), e5(0), e6(0) {}
  ExistingInt(long) : e1(5), e2{5}, e3(5), e4(5), e5(5), e6(5) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:37: warning: member initializer for 'e3' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:44: warning: member initializer for 'e4' is redundant
  // CHECK-MESSAGES: :[[@LINE-3]]:58: warning: member initializer for 'e6' is redundant
  // CHECK-FIXES: ExistingInt(long) : e1(5), e2{5},  e5(5) {}
  ExistingInt(char) : e1(-5), e2{-5}, e3(-5), e4(-5), e5(-5), e6(-5) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:55: warning: member initializer for 'e5' is redundant
  // CHECK-FIXES: ExistingInt(char) : e1(-5), e2{-5}, e3(-5), e4(-5),  e6(-5) {}
  int e1{};
  int e2 = 0;
  int e3 = {5};
  int e4{5};
  int e5 = -5;
  int e6 = +5;
};

struct ExistingDouble {
  ExistingDouble(short) : e1(), e2{}, e3(), e4(), e5() {}
  // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:33: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingDouble(short) :  e3(), e4(), e5() {}
  ExistingDouble(int) : e1(0.0), e2{0.0}, e3(0.0), e4(0.0), e5(0.0) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:34: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingDouble(int) :  e3(0.0), e4(0.0), e5(0.0) {}
  ExistingDouble(long) : e1(5.0), e2{5.0}, e3(5.0), e4(5.0), e5(5.0) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:44: warning: member initializer for 'e3' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:62: warning: member initializer for 'e5' is redundant
  // CHECK-FIXES: ExistingDouble(long) : e1(5.0), e2{5.0},  e4(5.0) {}
  ExistingDouble(char) : e1(-5.0), e2{-5.0}, e3(-5.0), e4(-5.0), e5(-5.0) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:56: warning: member initializer for 'e4' is redundant
  // CHECK-FIXES: ExistingDouble(char) : e1(-5.0), e2{-5.0}, e3(-5.0),  e5(-5.0) {}
  double e1{};
  double e2 = 0.0;
  double e3 = 5.0;
  double e4{-5.0};
  double e5 = +5.0;
};

struct ExistingBool {
  ExistingBool(short) : e1(), e2{}, e3() {}
  // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:31: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingBool(short) :  e3() {}
  ExistingBool(int) : e1(false), e2{false}, e3(false) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:34: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingBool(int) :  e3(false) {}
  ExistingBool(long) : e1(true), e2{true}, e3(true) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:44: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingBool(long) : e1(true), e2{true} {}
  bool e1{};
  bool e2 = false;
  bool e3{true};
};

struct ExistingEnum {
  ExistingEnum(short) : e1(Foo), e2{Foo} {}
  // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: member initializer for 'e1' is redundant
  // CHECK-FIXES: ExistingEnum(short) :  e2{Foo} {}
  ExistingEnum(int) : e1(Bar), e2{Bar} {}
  // CHECK-MESSAGES: :[[@LINE-1]]:32: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingEnum(int) : e1(Bar) {}
  Enum e1 = Foo;
  Enum e2{Bar};
};

struct ExistingPointer {
  ExistingPointer(short) : e1(), e2{}, e3(), e4() {}
  // CHECK-MESSAGES: :[[@LINE-1]]:28: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:34: warning: member initializer for 'e2' is redundant
  // CHECK-MESSAGES: :[[@LINE-3]]:40: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingPointer(short) :  e4() {}
  ExistingPointer(int) : e1(0), e2{0}, e3(0), e4(&e1) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:26: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:33: warning: member initializer for 'e2' is redundant
  // CHECK-MESSAGES: :[[@LINE-3]]:40: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingPointer(int) :  e4(&e1) {}
  ExistingPointer(long) : e1(nullptr), e2{nullptr}, e3(nullptr), e4(&e2) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:40: warning: member initializer for 'e2' is redundant
  // CHECK-MESSAGES: :[[@LINE-3]]:53: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingPointer(long) :  e4(&e2) {}
  int *e1{};
  int *e2 = 0;
  int *e3{nullptr};
  int **e4 = &e1;
};

struct ExistingString {
  ExistingString(short) : e1(), e2{}, e3(), e4() {}
  // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: member initializer for 'e1' is redundant [modernize-use-default-member-init]
  // CHECK-MESSAGES: :[[@LINE-2]]:33: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingString(short) :  e3(), e4() {}
  ExistingString(int) : e1(0), e2{0}, e3(0), e4(0) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:32: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingString(int) :  e3(0), e4(0) {}
  ExistingString(long) : e1(nullptr), e2{nullptr}, e3(nullptr), e4(nullptr) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:26: warning: member initializer for 'e1' is redundant
  // CHECK-MESSAGES: :[[@LINE-2]]:39: warning: member initializer for 'e2' is redundant
  // CHECK-FIXES: ExistingString(long) :  e3(nullptr), e4(nullptr) {}
  ExistingString(char) : e1("foo"), e2{"foo"}, e3("foo"), e4("foo") {}
  // CHECK-MESSAGES: :[[@LINE-1]]:48: warning: member initializer for 'e3' is redundant
  // CHECK-FIXES: ExistingString(char) : e1("foo"), e2{"foo"},  e4("foo") {}
  const char *e1{};
  const char *e2 = nullptr;
  const char *e3 = "foo";
  const char *e4 = "bar";
};

struct UnionExisting {
  UnionExisting() : e(5.0) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: member initializer for 'e' is redundant
  // CHECK-FIXES: UnionExisting()  {}
  union {
    int i;
    double e = 5.0;
  };
};

template <typename T>
struct NegativeTemplateExisting {
  NegativeTemplateExisting(int) : t(0) {}
  T t{};
};

NegativeTemplateExisting<int> ntei(0);
NegativeTemplateExisting<double> nted(0);

// This resulted in a warning by default.
#define MACRO() \
  struct MacroS { \
    void *P; \
    MacroS() : P(nullptr) {} \
  };

MACRO();


class FunctionTryBlock {
public:
  FunctionTryBlock() try : i(5), k(8) {}
  // CHECK-FIXES: FunctionTryBlock() try  {}
  catch (...) {}

private:
  int i, k;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'i' [modernize-use-default-member-init]
  // CHECK-MESSAGES: :[[@LINE-2]]:10: warning: use default member initializer for 'k' [modernize-use-default-member-init]
  // CHECK-FIXES: int i{5}, k{8};
};

struct PR45363 {
  // Ensure no warning is emitted here
  PR45363(int i = 0) : m_i{i} {}
  int m_i;
};

struct EmptyBracedIntDefault {
  EmptyBracedIntDefault() : m_i{} {}
  int m_i;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'm_i' [modernize-use-default-member-init]
  // CHECK-FIXES:      EmptyBracedIntDefault()  {}
  // CHECK-FIXES-NEXT: int m_i{};
};

namespace PR63285 {

class ArrayValueInit {
  ArrayValueInit() : m_array() {}
  double m_array[1];
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'm_array' [modernize-use-default-member-init]
  // CHECK-FIXES:      ArrayValueInit()  {}
  // CHECK-FIXES-NEXT: double m_array[1]{};
};

class ArrayBraceInit {
  ArrayBraceInit() : m_array{} {}
  double m_array[1];
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'm_array' [modernize-use-default-member-init]
  // CHECK-FIXES:      ArrayBraceInit()  {}
  // CHECK-FIXES-NEXT: double m_array[1]{};
};

class ArrayBraceInitWithValue {
  ArrayBraceInitWithValue() : m_array{3.14} {}
  double m_array[1];
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'm_array' [modernize-use-default-member-init]
  // CHECK-FIXES:      ArrayBraceInitWithValue()  {}
  // CHECK-FIXES-NEXT: double m_array[1]{3.14};
};

class ArrayBraceInitMultipleValues {
  ArrayBraceInitMultipleValues() : m_array{1.0, 2.0, 3.0} {}
  double m_array[3];
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'm_array' [modernize-use-default-member-init]
  // CHECK-FIXES:      ArrayBraceInitMultipleValues()  {}
  // CHECK-FIXES-NEXT: double m_array[3]{1.0, 2.0, 3.0};
};

} // namespace PR63285

namespace PR122480 {

  static int STATIC_VAL = 23;
  constexpr const char* CONSTEXPR_REF = "Const";

  class StaticConstExprInit {

    StaticConstExprInit() : a{CONSTEXPR_REF}, b{STATIC_VAL}{}
    // CHECK-FIXES: StaticConstExprInit()  {}
    const char* a;
    // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: use default member initializer for 'a' [modernize-use-default-member-init]
    // CHECK-FIXES: const char* a{CONSTEXPR_REF};
    int b;
    // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use default member initializer for 'b' [modernize-use-default-member-init]
    // CHECK-FIXES: int b{STATIC_VAL};
  };

class CStyleCastInit {
  CStyleCastInit() : a{(int)1.23}, b{(float)42}, c{(double)'C'} {}
  // CHECK-MESSAGES: :[[@LINE-1]]:50: warning: member initializer for 'c' is redundant [modernize-use-default-member-init]
  // CHECK-FIXES: CStyleCastInit()  {}

  int a;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'a' [modernize-use-default-member-init]
  // CHECK-FIXES: int a{(int)1.23};
  float b;
  // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use default member initializer for 'b' [modernize-use-default-member-init]
  // CHECK-FIXES: float b{(float)42};
  double c{(double)'C'};
};

class StaticCastInit {
  StaticCastInit() : m(static_cast<int>(9.99)), n(static_cast<char>(65)) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:49: warning: member initializer for 'n' is redundant [modernize-use-default-member-init]
  // CHECK-FIXES: StaticCastInit()  {}
  int m;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'm' [modernize-use-default-member-init]
  // CHECK-FIXES: int m{static_cast<int>(9.99)};
  char n{static_cast<char>(65)};
};

class FunctionalCastInit {
  FunctionalCastInit() : a(int(5.67)), b(float(2)), c(double('C')) {}
  // CHECK-MESSAGES: :[[@LINE-1]]:40: warning: member initializer for 'b' is redundant [modernize-use-default-member-init]
  int a;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'a' [modernize-use-default-member-init]
  // CHECK-FIXES: int a{int(5.67)};
  float b{float(2)};
  double c;
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'c' [modernize-use-default-member-init]
  // CHECK-FIXES: double c{double('C')};
};

#define ARITHMETIC_MACRO (44 - 2)

class DefaultMemberInitWithArithmetic {
  DefaultMemberInitWithArithmetic() : a{1 + 1},  b{1 + 11 + 123 + 1234},  c{2 + (4 / 2) + 3 + (7 / 11)},  d{ARITHMETIC_MACRO * 2}, e{1.2 + 3.4} {}
  // CHECK-MESSAGES: :[[@LINE-1]]:39: warning: member initializer for 'a' is redundant [modernize-use-default-member-init]
  // CHECK-FIXES: DefaultMemberInitWithArithmetic()  {}

  int a{1 + 1};
  int b;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'b' [modernize-use-default-member-init]
  // CHECK-FIXES:  int b{1 + 11 + 123 + 1234};
  int c;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'c' [modernize-use-default-member-init]
  // CHECK-FIXES: int c{2 + (4 / 2) + 3 + (7 / 11)};
  int d;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'd' [modernize-use-default-member-init]
  // CHECK-FIXES: int d{ARITHMETIC_MACRO * 2};
  double e;
  // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use default member initializer for 'e' [modernize-use-default-member-init]
  // CHECK-FIXES: double e{1.2 + 3.4};

};

} //namespace PR122480

namespace GH156295 {

class NotFix {
  NotFix(int v) : x(0 + 0 + (0 * 0 * (((((((v)))) - 20))) + 10)) {}
  int x;
};

class ShouldFix {
  ShouldFix(int v) : x(0 + 0 + (0 * 0 * (((((((1)))) - 20))) + 10)) {}
  int x;
  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'x' [modernize-use-default-member-init]
  // CHECK-FIXES: int x{0 + 0 + (0 * 0 * (((((((1)))) - 20))) + 10)};
};

} // namespace GH156295

namespace GH160394 {
struct A {
    A(int i) : f((i & 0x1f) == 1) {}
    bool f;
};
} // namespace GH160394