swift-mirror/test/decl/protocol/special/coding/class_codable_simple.swift

// RUN: %target-typecheck-verify-swift -verify-ignore-unknown

// Simple classes with all Codable properties should get derived conformance to
// Codable.
class SimpleClass : Codable {
  var x: Int = 1
  var y: Double = .pi
  static var z: String = "foo"

  // These lines have to be within the SimpleClass type because CodingKeys
  // should be private.
  func foo() {
    // They should receive a synthesized CodingKeys enum.
    let _ = SimpleClass.CodingKeys.self

    // The enum should have a case for each of the vars.
    let _ = SimpleClass.CodingKeys.x
    let _ = SimpleClass.CodingKeys.y

    // Static vars should not be part of the CodingKeys enum.
    let _ = SimpleClass.CodingKeys.z // expected-error {{type 'SimpleClass.CodingKeys' has no member 'z'}}
  }
}

// These are wrapped in a dummy function to avoid binding a global variable.
func foo() {
  // They should receive synthesized init(from:) and an encode(to:).
  let _ = SimpleClass.init(from:)
  let _ = SimpleClass.encode(to:)

  // The synthesized CodingKeys type should not be accessible from outside the
  // class.
  let _ = SimpleClass.CodingKeys.self // expected-error {{'CodingKeys' is inaccessible due to 'private' protection level}}
}