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Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/detect/integral_test.go')
-rw-r--r--Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/detect/integral_test.go156
1 files changed, 0 insertions, 156 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/detect/integral_test.go b/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/detect/integral_test.go
deleted file mode 100644
index 0bc321a4d..000000000
--- a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/detect/integral_test.go
+++ /dev/null
@@ -1,156 +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 detect
-
-import (
- "bytes"
- "fmt"
- "image"
- "testing"
-)
-
-type integralTest struct {
- x int
- y int
- src []uint8
- res []uint8
-}
-
-var integralTests = []integralTest{
- {
- 1, 1,
- []uint8{0x01},
- []uint8{0x01},
- },
- {
- 2, 2,
- []uint8{
- 0x01, 0x02,
- 0x03, 0x04,
- },
- []uint8{
- 0x01, 0x03,
- 0x04, 0x0a,
- },
- },
- {
- 4, 4,
- []uint8{
- 0x02, 0x03, 0x00, 0x01,
- 0x01, 0x02, 0x01, 0x05,
- 0x01, 0x01, 0x01, 0x01,
- 0x01, 0x01, 0x01, 0x01,
- },
- []uint8{
- 0x02, 0x05, 0x05, 0x06,
- 0x03, 0x08, 0x09, 0x0f,
- 0x04, 0x0a, 0x0c, 0x13,
- 0x05, 0x0c, 0x0f, 0x17,
- },
- },
-}
-
-func sprintBox(box []byte, width, height int) string {
- buf := bytes.NewBuffer(nil)
- i := 0
- for y := 0; y < height; y++ {
- for x := 0; x < width; x++ {
- fmt.Fprintf(buf, " 0x%02x,", box[i])
- i++
- }
- buf.WriteByte('\n')
- }
- return buf.String()
-}
-
-func TestIntegral(t *testing.T) {
- for i, oc := range integralTests {
- src := &image.Gray{
- Pix: oc.src,
- Stride: oc.x,
- Rect: image.Rect(0, 0, oc.x, oc.y),
- }
- dst, _ := newIntegrals(src)
- res := make([]byte, len(dst.pix))
- for i, p := range dst.pix {
- res[i] = byte(p)
- }
-
- if !bytes.Equal(res, oc.res) {
- got := sprintBox(res, oc.x, oc.y)
- want := sprintBox(oc.res, oc.x, oc.y)
- t.Errorf("%d: got\n%s\n want\n%s", i, got, want)
- }
- }
-}
-
-func TestIntegralSum(t *testing.T) {
- src := &image.Gray{
- Pix: []uint8{
- 0x02, 0x03, 0x00, 0x01, 0x03,
- 0x01, 0x02, 0x01, 0x05, 0x05,
- 0x01, 0x01, 0x01, 0x01, 0x02,
- 0x01, 0x01, 0x01, 0x01, 0x07,
- 0x02, 0x01, 0x00, 0x03, 0x01,
- },
- Stride: 5,
- Rect: image.Rect(0, 0, 5, 5),
- }
- img, _ := newIntegrals(src)
-
- type sumTest struct {
- rect image.Rectangle
- sum uint64
- }
-
- var sumTests = []sumTest{
- {image.Rect(0, 0, 1, 1), 2},
- {image.Rect(0, 0, 2, 1), 5},
- {image.Rect(0, 0, 1, 3), 4},
- {image.Rect(1, 1, 3, 3), 5},
- {image.Rect(2, 2, 4, 4), 4},
- {image.Rect(4, 3, 5, 5), 8},
- {image.Rect(2, 4, 3, 5), 0},
- }
-
- for _, st := range sumTests {
- s := img.sum(st.rect)
- if s != st.sum {
- t.Errorf("%v: got %d want %d", st.rect, s, st.sum)
- return
- }
- }
-}
-
-func TestIntegralSubImage(t *testing.T) {
- m0 := &image.Gray{
- Pix: []uint8{
- 0x02, 0x03, 0x00, 0x01, 0x03,
- 0x01, 0x02, 0x01, 0x05, 0x05,
- 0x01, 0x04, 0x01, 0x01, 0x02,
- 0x01, 0x02, 0x01, 0x01, 0x07,
- 0x02, 0x01, 0x09, 0x03, 0x01,
- },
- Stride: 5,
- Rect: image.Rect(0, 0, 5, 5),
- }
- b := image.Rect(1, 1, 4, 4)
- m1 := m0.SubImage(b)
- mi0, _ := newIntegrals(m0)
- mi1, _ := newIntegrals(m1)
-
- sum0 := mi0.sum(b)
- sum1 := mi1.sum(b)
- if sum0 != sum1 {
- t.Errorf("b got %d want %d", sum0, sum1)
- }
-
- r0 := image.Rect(2, 2, 4, 4)
- sum0 = mi0.sum(r0)
- sum1 = mi1.sum(r0)
- if sum0 != sum1 {
- t.Errorf("r0 got %d want %d", sum1, sum0)
- }
-}