Enums memory XCTestCase Swift

enum Ugar {
    case foo(Foo)
    case none
}

class Foo {
    let title: String
    init(_ title: String) {
        self.title = title
        print("init \(title)")
    }

    deinit {
        print("deinit \(title)")
    }
}

class UgarTestCase : XCTestCase {
    var bar : Ugar = .none
    var foo : Foo!
    var foo1: Foo?
    var omg: Foo = Foo("property")

    override func setUp() {
        super.setUp()
        bar = .foo(Foo("enum"))
        foo = Foo("implicitly unwrapped optional")
        foo1 = Foo("optional")
        omg = Foo("non optional property")
    }

    func testUgar() {

    }

    func testOmg() {

    }
}



OUTPUT:

init property
init property
Test Suite 'Selected tests' started at 2018-03-21 18:22:31.015
Test Suite 'StickersTests.xctest' started at 2018-03-21 18:22:31.016
Test Suite 'UgarTestCase' started at 2018-03-21 18:22:31.016
Test Case '-[StickersTests.UgarTestCase testOmg]' started.
init enum
init implicitly unwrapped optional
init optional
init non optional property
deinit property
Test Case '-[StickersTests.UgarTestCase testOmg]' passed (0.001 seconds).
Test Case '-[StickersTests.UgarTestCase testUgar]' started.
init enum
init implicitly unwrapped optional
init optional
init non optional property
deinit property
Test Case '-[StickersTests.UgarTestCase testUgar]' passed (0.000 seconds).