77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
// { dg-options "-std=c++0x" }
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enum class Color1 {
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Red,
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Green,
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Blue
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};
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enum struct Color2 {
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Red, // { dg-error "previously declared here" }
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Orange,
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Yellow,
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Green,
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Blue,
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Indigo = Green + 2,
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Violet,
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Red // { dg-error "redefinition" }
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};
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enum Color {
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Red, Green, Blue
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};
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enum class Color3 {
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Red
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};
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enum class Color color;
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enum Color3 color3;
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void f(int);
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void f2(Color3);
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void g()
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{
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int i = 0;
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f(color); // okay: unscoped enum
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f(color3); // { dg-error "cannot convert" }
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f2(color); // { dg-error "cannot convert" }
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f2(color3);
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f2(i); // { dg-error "cannot convert" }
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i = color3; // { dg-error "cannot convert" }
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color3 = i; // { dg-error "cannot convert" }
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f(static_cast<int>(color3)); // okay
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int a[5];
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a[color3]; // { dg-error "array subscript is not an integer" }
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bool b = color3; // { dg-error "cannot convert" }
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}
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void h()
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{
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Color1 c1 = Color1::Red;
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Color2 c2 = Color1::Red; // { dg-error "cannot convert" }
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c2 = Color1::Red; // { dg-error "cannot convert" }
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c2 = Color2::Red;
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int c3 = Color::Red;
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}
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template<typename T, T value>
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struct constant { };
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template<typename T>
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int& sfinae(constant<T, T::Green>*);
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float& sfinae(void*);
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void sfinae_test()
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{
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int& test1 = sfinae((constant<Color1, Color1::Green>*)0);
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int& test2 = sfinae((constant<Color2, Color2::Green>*)0);
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float& test3 = sfinae((constant<Color1, Color1::Red>*)0);
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int& test4 = sfinae((constant<Color, Green>*)0);
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float& test5 = sfinae((constant<Color, Red>*)0);
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}
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