2 files changed, 58 insertions, 0 deletions
diff --git a/test/main.go b/test/main.go
index b65a799..68f3463 100644
--- a/test/main.go
+++ b/test/main.go
@@ -280,6 +280,10 @@ var labelAlignTest = flag.Bool("label", false, "show Label Alignment test window
 var spacingTest = flag.Bool("spacing", false, "margins and padding on Window")
 
 func myMain() {
+	if *spacetest != "" {
+		spaceTest()
+		return
+	}
 	if *doArea {
 		areaTest()
 		return
diff --git a/test/spacing.go b/test/spacing.go
new file mode 100644
index 0000000..367b0be
--- /dev/null
+++ b/test/spacing.go
@@ -0,0 +1,54 @@
+// 26 june 2014
+package main
+
+import (
+	"flag"
+	"image"
+	"image/color"
+	"image/draw"
+	. "github.com/andlabs/ui"
+)
+
+// spacing test
+
+type solidColor struct {
+	c	color.Color
+}
+func (s solidColor) Paint(r image.Rectangle) *image.RGBA {
+	i := image.NewRGBA(r)
+	draw.Draw(i, r, &image.Uniform{s.c}, image.ZP, draw.Src)
+	return i
+}
+func (s solidColor) Mouse(m MouseEvent) bool { return false }
+func (s solidColor) Key(e KeyEvent) bool { return false }
+
+var spacetest = flag.String("spacetest", "", "test space idempotency; arg is x or y; overrides -area")
+func spaceTest() {
+	w := 100
+	h := 50
+	ng := 1
+	gsx, gsy := 1, 0
+	f := NewVerticalStack
+	if *spacetest == "x" {
+		w = 50
+		h = 100
+		ng = 2
+		gsx, gsy = 0, 1
+		f = NewHorizontalStack
+	}
+	ah := solidColor{color.NRGBA{0,0,255,255}}
+	a1 := NewArea(w, h, ah)
+	a2 := NewArea(w, h, ah)
+	a3 := NewArea(w, h, ah)
+	a4 := NewArea(w, h, ah)
+	win := NewWindow("Stack", 250, 250)
+	win.SetSpaced(true)
+	win.Open(f(a1, a2))
+	win = NewWindow("Grid", 250, 250)
+	win.SetSpaced(true)
+	g := NewGrid(ng, a3, a4)
+	g.SetFilling(0, 0)
+	g.SetStretchy(gsx, gsy)
+	win.Open(g)
+	select {}
+}