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e83c117c30
This decreases total testing time by over a minute on my old Mac Pro. It probably has much less effect on systems with fewer cores, but shouldn't be any worse there. Swift SVN r22745
96 lines
1.5 KiB
Swift
96 lines
1.5 KiB
Swift
// TODO: Relies on AnyObject lvalues <rdar://problem/17755906>
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// R/UN: %target-run-simple-swift | FileCheck %s
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// RUN: not %target-build-swift -parse
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import Foundation
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class Model : NSObject {
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let undoManager: NSUndoManager = {
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let u = NSUndoManager()
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u.groupsByEvent = false
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return u
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}()
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var _value: Float = 0
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var value: Float {
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get {
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return _value
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}
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set(newValue) {
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undoManager.prepareWithInvocationTarget(self).value = _value
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_value = newValue
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}
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}
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func print(message: String) {
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println(message + ": \(value)")
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}
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}
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let m = Model()
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let u = m.undoManager
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m.print("start")
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// CHECK: start: 0
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u.beginUndoGrouping()
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m.value = 1
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u.endUndoGrouping()
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m.print("set")
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// CHECK: set: 1
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u.undo()
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m.print("undo")
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// CHECK: undo: 0
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u.redo()
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m.print("redo")
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// CHECK: redo: 1
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u.beginUndoGrouping()
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m.value = 1.5
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m.value = 2
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u.endUndoGrouping()
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m.print("set 2")
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// CHECK: set 2: 2
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u.beginUndoGrouping()
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m.value = 2.5
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m.value = 3
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u.endUndoGrouping()
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m.print("set 3")
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// CHECK: set 3: 3
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u.beginUndoGrouping()
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m.value = 3.5
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m.value = 4
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u.endUndoGrouping()
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m.print("set 4")
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// CHECK: set 4: 4
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u.undo()
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m.print("undo 4")
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// CHECK: undo 4: 3
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u.undo()
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m.print("undo 3")
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// CHECK: undo 3: 2
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u.undo()
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m.print("undo 2")
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// CHECK: undo 2: 1
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u.undo()
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m.print("undo 1")
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// CHECK: undo 1: 0
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u.redo()
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m.print("redo 1")
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// CHECK: redo 1: 1
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u.redo()
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m.print("redo 2")
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// CHECK: redo 2: 2
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u.redo()
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m.print("redo 3")
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// CHECK: redo 3: 3
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u.redo()
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m.print("redo 4")
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// CHECK: redo 4: 4
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