File: enums.cpp

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (50 lines) | stat: -rw-r--r-- 998 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify %s
// RUN: %clang_cc1 -verify=ref %s

enum class EC : short {
  A, B, C
};
static_assert(static_cast<int>(EC::A) == 0, "");
static_assert(static_cast<int>(EC::B) == 1, "");
static_assert(static_cast<int>(EC::C) == 2, "");
static_assert(sizeof(EC) == sizeof(short), "");

constexpr EC ec = EC::C;
static_assert(static_cast<int>(ec) == 2, "");

constexpr int N = 12;
constexpr int M = 2;

enum CE {
  ONE = -1,
  TWO = 2,
  THREE,
  FOUR = 4,
  FIVE = N + M,
  SIX = FIVE + 2,
  MAX = __INT_MAX__ * 2U + 1U
};
static_assert(ONE == -1, "");
static_assert(THREE == 3, "");
static_assert(FIVE == 14, "");
static_assert(SIX == 16, "");

constexpr EC testEnums() {
  EC e = EC::C;

  e = EC::B;

  EC::B = e; // expected-error{{expression is not assignable}} \
             // ref-error{{expression is not assignable}}

  return e;
}

constexpr EC getB() {
  EC e = EC::C;
  e = EC::B;
  return e;
}


static_assert(getB() == EC::B, "");