diff options
Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/convolve/convolve_test.go')
-rw-r--r-- | Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/convolve/convolve_test.go | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/convolve/convolve_test.go b/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/convolve/convolve_test.go deleted file mode 100644 index f34d7afc8..000000000 --- a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/convolve/convolve_test.go +++ /dev/null @@ -1,78 +0,0 @@ -// 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 convolve - -import ( - "code.google.com/p/graphics-go/graphics/graphicstest" - "image" - "reflect" - "testing" - - _ "image/png" -) - -func TestSeparableWeights(t *testing.T) { - sobelXFull := []float64{ - -1, 0, 1, - -2, 0, 2, - -1, 0, 1, - } - sobelXSep := &SeparableKernel{ - X: []float64{-1, 0, +1}, - Y: []float64{1, 2, 1}, - } - w := sobelXSep.Weights() - if !reflect.DeepEqual(w, sobelXFull) { - t.Errorf("got %v want %v", w, sobelXFull) - } -} - -func TestConvolve(t *testing.T) { - kernFull, err := NewKernel([]float64{ - 0, 0, 0, - 1, 1, 1, - 0, 0, 0, - }) - if err != nil { - t.Fatal(err) - } - - kernSep := &SeparableKernel{ - X: []float64{1, 1, 1}, - Y: []float64{0, 1, 0}, - } - - src, err := graphicstest.LoadImage("../../testdata/gopher.png") - if err != nil { - t.Fatal(err) - } - b := src.Bounds() - - sep := image.NewRGBA(b) - if err = Convolve(sep, src, kernSep); err != nil { - t.Fatal(err) - } - - full := image.NewRGBA(b) - Convolve(full, src, kernFull) - - err = graphicstest.ImageWithinTolerance(sep, full, 0x101) - if err != nil { - t.Fatal(err) - } -} - -func TestConvolveNil(t *testing.T) { - if err := Convolve(nil, nil, nil); err != nil { - t.Fatal(err) - } -} - -func TestConvolveEmpty(t *testing.T) { - empty := image.NewRGBA(image.Rect(0, 0, 0, 0)) - if err := Convolve(empty, empty, nil); err != nil { - t.Fatal(err) - } -} |