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