Files
swift-mirror/validation-test/Evolution/Inputs/class_change_size.swift
Slava Pestov 14c9329920 Library evolution tests: preliminary tests for resiliently-sized classes
Note that subclassing of resilient classes doesn't work yet, and
there are no tests for it.
2016-01-22 16:04:38 -08:00

50 lines
1.1 KiB
Swift

public struct ChangeSize {
public init(version: Int32) {
self._version = T(version)
}
public var version: Int32 {
get { return Int32(_version) }
set { _version = T(newValue) }
}
#if BEFORE
typealias T = Int32
#else
typealias T = Int64
#endif
private var _version: T
}
@_fixed_layout public class ChangeFieldOffsetsOfFixedLayout {
public init(major: Int32, minor: Int32, patch: Int32) {
self.major = ChangeSize(version: major)
self.minor = ChangeSize(version: minor)
self.patch = ChangeSize(version: patch)
}
public var major: ChangeSize
public var minor: ChangeSize
public var patch: ChangeSize
public func getVersion() -> String {
return "\(major.version).\(minor.version).\(patch.version)"
}
}
@_fixed_layout public class ChangeSizeOfSuperclass : ChangeFieldOffsetsOfFixedLayout {
public init() {
self.codename = "Big Bang"
super.init(major: 7, minor: 0, patch: 0)
}
public var codename: String
public override func getVersion() -> String {
return "\(super.getVersion()) (\(codename))";
}
}