diff --git a/redo/osxaltest/box.swift b/redo/osxaltest/box.swift
index 1f083324..5a6fd590 100644
--- a/redo/osxaltest/box.swift
+++ b/redo/osxaltest/box.swift
@@ -4,6 +4,8 @@ import Cocoa
 struct BoxControl {
 	var c: Control
 	var stretchy: Bool
+	var horzHuggingPri: NSLayoutPriority
+	var vertHuggingPri: NSLayoutPriority
 }
 
 class Box : NSView, Control {
@@ -39,11 +41,15 @@ class Box : NSView, Control {
 	func Add(control: Control, _ stretchy: Bool) {
 		var c: BoxControl
 
+		var view = control.View()
 		c = BoxControl(
-			c:		control,
-			stretchy:	stretchy)
-		self.addSubview(c.c.View())
+			c:				control,
+			stretchy:			stretchy
+			horzHuggingPri:	horzHuggingPri(view),
+			vertHuggingPri:	vertHuggingPri(view))
+		self.addSubview(view)
 		self.controls.append(c)
+		// TODO set secondary hugging priority to low
 		self.relayout()
 	}
 
diff --git a/redo/osxaltest/control.swift b/redo/osxaltest/control.swift
index 8b2bb57f..a92fe300 100644
--- a/redo/osxaltest/control.swift
+++ b/redo/osxaltest/control.swift
@@ -6,6 +6,8 @@ protocol Control : class {
 	func SetParent(p: Control)
 }
 
+// TODO move to layout.swift
+
 func mkconstraints(constraint: String, views: [String: NSView]) -> [AnyObject] {
 	return NSLayoutConstraint.constraintsWithVisualFormat(
 		constraint,
@@ -13,3 +15,23 @@ func mkconstraints(constraint: String, views: [String: NSView]) -> [AnyObject] {
 		metrics: nil,
 		views: views)
 }
+
+func horzHuggingPri(view: NSView) -> NSLayoutPriority {
+	return view.contentHuggingPriorityForOrientation(NSLayoutConstraintOrientation.Horizontal)
+}
+
+func vertHuggingPri(view: NSView) -> NSLayoutPriority {
+	return view.contentHuggingPriorityForOrientation(NSLayoutConstraintOrientation.Vertical)
+}
+
+func setHuggingPri(view: NSView, priority: NSLayoutPriority, orientation: NSLayoutConstraintOrientation) {
+	view.setContentHuggingPriority(priority, forOrientation: orientation)
+}
+
+func setHorzHuggingPri(view: NSView, priority: NSLayoutPriority) {
+	setHuggingPri(view, priority, NSLayoutConstraintOrientation.Horizontal)
+}
+
+func setVertHuggingPri(view: NSView, priority: NSLayoutPriority) {
+	setHuggingPri(view, priority, NSLayoutConstraintOrientation.Vertical)
+}