Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/scoped_enum.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do compile { target c++11 } } enum class Color1 { Red, Green, Blue }; enum struct Color2 { Red, // { dg-message "previously declared here" } Orange, Yellow, Green, Blue, Indigo = Green + 2, Violet, Red // { dg-error "redeclaration" } }; enum Color { Red, Green, Blue }; enum class Color3 { Red }; enum Color color; enum Color3 color3; void f(int); void f2(Color3); void g() { int i = 0; f(color); // okay: unscoped enum f(color3); // { dg-error "cannot convert" } f2(color); // { dg-error "cannot convert" } f2(color3); f2(i); // { dg-error "cannot convert" } i = color3; // { dg-error "cannot convert" } color3 = i; // { dg-error "cannot convert" } f(static_cast<int>(color3)); // okay int a[5]; a[color3]; // { dg-error "array subscript is not an integer" } bool b = color3; // { dg-error "cannot convert" } } void h() { Color1 c1 = Color1::Red; Color2 c2 = Color1::Red; // { dg-error "cannot convert" } c2 = Color1::Red; // { dg-error "cannot convert" } c2 = Color2::Red; int c3 = Color::Red; } template<typename T, T value> struct constant { }; template<typename T> int& sfinae(constant<T, T::Green>*); float& sfinae(void*); void sfinae_test() { int& test1 = sfinae((constant<Color1, Color1::Green>*)0); int& test2 = sfinae((constant<Color2, Color2::Green>*)0); float& test3 = sfinae((constant<Color1, Color1::Red>*)0); int& test4 = sfinae((constant<Color, Green>*)0); float& test5 = sfinae((constant<Color, Red>*)0); }