forked from OSchip/llvm-project
122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -pedantic -std=c++0x -verify -triple x86_64-apple-darwin %s
|
|
|
|
enum class E1 {
|
|
Val1 = 1L
|
|
};
|
|
|
|
enum struct E2 {
|
|
Val1 = '\0'
|
|
};
|
|
|
|
E1 v1 = Val1; // expected-error{{undeclared identifier}}
|
|
E1 v2 = E1::Val1;
|
|
|
|
static_assert(sizeof(E1) == sizeof(int), "bad size");
|
|
static_assert(sizeof(E1::Val1) == sizeof(int), "bad size");
|
|
static_assert(sizeof(E2) == sizeof(int), "bad size");
|
|
static_assert(sizeof(E2::Val1) == sizeof(int), "bad size");
|
|
|
|
E1 v3 = E2::Val1; // expected-error{{cannot initialize a variable}}
|
|
int x1 = E1::Val1; // expected-error{{cannot initialize a variable}}
|
|
|
|
enum E3 : char {
|
|
Val2 = 1
|
|
};
|
|
|
|
E3 v4 = Val2;
|
|
E1 v5 = Val2; // expected-error{{cannot initialize a variable}}
|
|
|
|
static_assert(sizeof(E3) == 1, "bad size");
|
|
|
|
int x2 = Val2;
|
|
|
|
int a1[Val2];
|
|
int a2[E1::Val1]; // expected-error{{size of array has non-integer type}}
|
|
|
|
int* p1 = new int[Val2];
|
|
int* p2 = new int[E1::Val1]; // FIXME Expected-error{{must have integral}}
|
|
|
|
enum class E4 {
|
|
e1 = -2147483648, // ok
|
|
e2 = 2147483647, // ok
|
|
e3 = 2147483648 // expected-error{{value is not representable}}
|
|
};
|
|
|
|
enum class E5 {
|
|
e1 = 2147483647, // ok
|
|
e2 // expected-error{{2147483648 is not representable in the underlying}}
|
|
};
|
|
|
|
enum class E6 : bool {
|
|
e1 = false, e2 = true,
|
|
e3 // expected-error{{2 is not representable in the underlying}}
|
|
};
|
|
|
|
enum E7 : bool {
|
|
e1 = false, e2 = true,
|
|
e3 // expected-error{{2 is not representable in the underlying}}
|
|
};
|
|
|
|
template <class T>
|
|
struct X {
|
|
enum E : T {
|
|
e1, e2,
|
|
e3 // expected-error{{2 is not representable in the underlying}}
|
|
};
|
|
};
|
|
|
|
X<bool> X2; // expected-note{{in instantiation of template}}
|
|
|
|
enum Incomplete1; // expected-error{{C++ forbids forward references}}
|
|
|
|
enum Complete1 : int;
|
|
Complete1 complete1;
|
|
|
|
enum class Complete2;
|
|
Complete2 complete2;
|
|
|
|
// All the redeclarations below are done twice on purpose. Tests that the type
|
|
// of the declaration isn't changed.
|
|
|
|
enum class Redeclare2; // expected-note{{previous use is here}} expected-note{{previous use is here}}
|
|
enum Redeclare2; // expected-error{{previously declared as scoped}}
|
|
enum Redeclare2; // expected-error{{previously declared as scoped}}
|
|
|
|
enum Redeclare3 : int; // expected-note{{previous use is here}} expected-note{{previous use is here}}
|
|
enum Redeclare3; // expected-error{{previously declared with fixed underlying type}}
|
|
enum Redeclare3; // expected-error{{previously declared with fixed underlying type}}
|
|
|
|
enum class Redeclare5;
|
|
enum class Redeclare5 : int; // ok
|
|
|
|
enum Redeclare6 : int; // expected-note{{previous use is here}} expected-note{{previous use is here}}
|
|
enum Redeclare6 : short; // expected-error{{redeclared with different underlying type}}
|
|
enum Redeclare6 : short; // expected-error{{redeclared with different underlying type}}
|
|
|
|
enum class Redeclare7; // expected-note{{previous use is here}} expected-note{{previous use is here}}
|
|
enum class Redeclare7 : short; // expected-error{{redeclared with different underlying type}}
|
|
enum class Redeclare7 : short; // expected-error{{redeclared with different underlying type}}
|
|
|
|
enum : long {
|
|
long_enum_val = 10000
|
|
};
|
|
|
|
enum : long x; // expected-error{{unnamed enumeration must be a definition}} \
|
|
// expected-warning{{declaration does not declare anything}}
|
|
|
|
void PR9333() {
|
|
enum class scoped_enum { yes, no, maybe };
|
|
scoped_enum e = scoped_enum::yes;
|
|
if (e == scoped_enum::no) { }
|
|
}
|
|
|
|
// <rdar://problem/9366066>
|
|
namespace rdar9366066 {
|
|
enum class X : unsigned { value };
|
|
|
|
void f(X x) {
|
|
x % X::value; // expected-error{{invalid operands to binary expression ('rdar9366066::X' and 'rdar9366066::X')}}
|
|
x % 8; // expected-error{{invalid operands to binary expression ('rdar9366066::X' and 'int')}}
|
|
}
|
|
}
|