1 files changed, 69 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/shared_test.go b/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/shared_test.go
new file mode 100644
index 000000000..e1cd21fb3
--- /dev/null
+++ b/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/shared_test.go
@@ -0,0 +1,69 @@
+// Copyright 2011 The Graphics-Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package graphics
+
+import (
+	"bytes"
+	"code.google.com/p/graphics-go/graphics/graphicstest"
+	"image"
+	"image/color"
+	"testing"
+)
+
+type transformOneColorTest struct {
+	desc      string
+	dstWidth  int
+	dstHeight int
+	srcWidth  int
+	srcHeight int
+	opt       interface{}
+	src       []uint8
+	res       []uint8
+}
+
+func (oc *transformOneColorTest) newSrc() *image.RGBA {
+	b := image.Rect(0, 0, oc.srcWidth, oc.srcHeight)
+	src := image.NewRGBA(b)
+	i := 0
+	for y := b.Min.Y; y < b.Max.Y; y++ {
+		for x := b.Min.X; x < b.Max.X; x++ {
+			src.SetRGBA(x, y, color.RGBA{
+				R: oc.src[i],
+				G: oc.src[i],
+				B: oc.src[i],
+				A: oc.src[i],
+			})
+			i++
+		}
+	}
+	return src
+}
+
+func (oc *transformOneColorTest) newDst() *image.RGBA {
+	return image.NewRGBA(image.Rect(0, 0, oc.dstWidth, oc.dstHeight))
+}
+
+func checkTransformTest(t *testing.T, oc *transformOneColorTest, dst *image.RGBA) bool {
+	for ch := 0; ch < 4; ch++ {
+		i := 0
+		res := make([]byte, len(oc.res))
+		for y := 0; y < oc.dstHeight; y++ {
+			for x := 0; x < oc.dstWidth; x++ {
+				off := (y-dst.Rect.Min.Y)*dst.Stride + (x-dst.Rect.Min.X)*4
+				res[i] = dst.Pix[off+ch]
+				i++
+			}
+		}
+
+		if !bytes.Equal(res, oc.res) {
+			got := graphicstest.SprintBox(res, oc.dstWidth, oc.dstHeight)
+			want := graphicstest.SprintBox(oc.res, oc.dstWidth, oc.dstHeight)
+			t.Errorf("%s: ch=%d\n got\n%s\n want\n%s", oc.desc, ch, got, want)
+			return false
+		}
+	}
+
+	return true
+}