1// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s 2 3#if !__has_feature(objc_fixed_enum) 4# error Enumerations with a fixed underlying type are not supported 5#endif 6 7typedef long Integer; 8 9typedef enum : Integer { Enumerator1, Enumerator2 } Enumeration; 10 11int array[sizeof(Enumeration) == sizeof(long)? 1 : -1]; 12 13 14enum Color { Red, Green, Blue }; 15 16struct X { 17 enum Color : 4; 18 enum Color field1: 4; 19 enum Other : Integer field2; 20 enum Other : Integer field3 : 4; 21 enum : Integer { Blah, Blarg } field4 : 4; 22}; 23 24void test() { 25 long value = 2; 26 Enumeration e = value; 27} 28 29// <rdar://10381507> 30typedef enum : long { Foo } IntegerEnum; 31int arr[(sizeof(__typeof__(Foo)) == sizeof(__typeof__(IntegerEnum)))? 1 : -1]; 32int arr1[(sizeof(__typeof__(Foo)) == sizeof(__typeof__(long)))? 1 : -1]; 33int arr2[(sizeof(__typeof__(IntegerEnum)) == sizeof(__typeof__(long)))? 1 : -1]; 34 35// <rdar://problem/10760113> 36typedef enum : long long { Bar = -1 } LongLongEnum; 37int arr3[(long long)Bar == (long long)-1 ? 1 : -1]; 38 39typedef enum : Integer { BaseElem } BaseEnum; 40typedef enum : BaseEnum { DerivedElem } DerivedEnum; // expected-error {{non-integral type 'BaseEnum' is an invalid underlying type}} 41 42// <rdar://problem/24999533> 43enum MyEnum : _Bool { 44 MyThing = 0 45}; 46