resize/resize_test.go

50 lines
834 B
Go

package resize
import (
"image"
"image/color"
"testing"
)
var img = image.NewGray16(image.Rect(0, 0, 3, 3))
func Test_Nearest(t *testing.T) {
img.Set(1, 1, color.White)
m := Resize(6, -1, img, NearestNeighbor)
if m.At(2, 2) != m.At(3, 3) {
t.Fail()
}
}
func Test_Param1(t *testing.T) {
m := Resize(-1, -1, img, NearestNeighbor)
if m.Bounds() != img.Bounds() {
t.Fail()
}
}
func Test_Param2(t *testing.T) {
m := Resize(-100, -1, img, NearestNeighbor)
if m.Bounds() != img.Bounds() {
t.Fail()
}
}
func Test_Param3(t *testing.T) {
m := Resize(0, -1, img, NearestNeighbor)
if m.Bounds() != img.Bounds() {
t.Fail()
}
}
func Test_ZeroImg(t *testing.T) {
zeroImg := image.NewGray16(image.Rect(0, 0, 0, 0))
m := Resize(-1, -1, zeroImg, NearestNeighbor)
if m.Bounds() != zeroImg.Bounds() {
t.Fail()
}
}