library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd/switch_nullable_enum.dart:7:5: Error: A non-null value must be returned since the return type 'int' doesn't allow null.
// int method1(Enum? e) {
//     ^
//
import self as self;
import "dart:core" as core;
import "dart:_internal" as _in;

class Enum extends core::_Enum /*isEnum*/  {
  static const field core::List<self::Enum> values = #C7;
  enum-element static const field self::Enum e1 = #C3;
  enum-element static const field self::Enum e2 = #C6;
  const constructor •(core::int #index, core::String #name) → self::Enum
    : super core::_Enum::•(#index, #name)
    ;
  method _enumToString() → core::String
    return "Enum.${this.{core::_Enum::_name}{core::String}}";
}
static method method1(self::Enum? e) → core::int {
  switch(e) {
    #L1:
    case #C3:
    case #C6:
      {
        return 0;
      }
  }
  return invalid-expression "pkg/front_end/testcases/nnbd/switch_nullable_enum.dart:7:5: Error: A non-null value must be returned since the return type 'int' doesn't allow null.
int method1(Enum? e) {
    ^" in null;
}
static method method2(self::Enum? e) → core::int {
  switch(e) /*isExplicitlyExhaustive*/ {
    #L2:
    case #C3:
    case #C6:
      {
        return 0;
      }
    #L3:
    case #C8:
      {
        return 1;
      }
    #L4:
    default:
      throw new _in::ReachabilityError::•("`null` encountered as case in a switch expression with a non-nullable enum type.");
  }
}
static method method3(self::Enum? e) → core::int {
  switch(e) {
    #L5:
    case #C3:
    case #C6:
      {
        return 0;
      }
    #L6:
    default:
      {
        return 1;
      }
  }
}
static method method4(self::Enum? e) → core::int {
  switch(e) {
    #L7:
    case #C3:
    case #C6:
      {
        return 0;
      }
    #L8:
    case #C8:
    default:
      {
        return 1;
      }
  }
}
static method test() → dynamic {
  self::method1(#C3);
}
static method main() → dynamic {
  self::expect(0, self::method2(#C3));
  self::expect(0, self::method2(#C6));
  self::expect(1, self::method2(null));
  self::expect(0, self::method3(#C3));
  self::expect(0, self::method3(#C6));
  self::expect(1, self::method3(null));
  self::expect(0, self::method4(#C3));
  self::expect(0, self::method4(#C6));
  self::expect(1, self::method4(null));
}
static method expect(dynamic expected, dynamic actual) → dynamic {
  if(!(expected =={core::Object::==}{(core::Object) → core::bool} actual)) {
    throw "Expected ${expected}, actual ${actual}.";
  }
}

constants  {
  #C1 = 0
  #C2 = "e1"
  #C3 = self::Enum {index:#C1, _name:#C2}
  #C4 = 1
  #C5 = "e2"
  #C6 = self::Enum {index:#C4, _name:#C5}
  #C7 = <self::Enum*>[#C3, #C6]
  #C8 = null
}


Constructor coverage from constants:
org-dartlang-testcase:///switch_nullable_enum.dart:
- Enum. (from org-dartlang-testcase:///switch_nullable_enum.dart:5:6)
- _Enum. (from org-dartlang-sdk:///sdk/lib/core/enum.dart)
- Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart)