Files
mediadevices/pkg/frame/z16_test.go
2021-03-05 01:35:39 +09:00

46 lines
1.0 KiB
Go

package frame
import (
"image"
"image/color"
"reflect"
"testing"
)
func TestDecodeZ16(t *testing.T) {
const (
width = 2
height = 3
)
decoder, err := NewDecoder(FormatZ16)
if err != nil {
t.Fatal(err)
}
img, _, err := decoder.Decode([]byte{0x00}, width, height)
if err == nil {
t.Errorf("expected to get a frame length mismatch")
}
input := []byte{
0x0c, 0x00, 0x20, 0x03,
0xa3, 0x01, 0x10, 0x00,
0x56, 0x09, 0x5d, 0x00,
}
expected := image.NewGray16(image.Rect(0, 0, width, height))
expected.Stride = width * 2
expected.SetGray16(0, 0, color.Gray16{Y: 12})
expected.SetGray16(1, 0, color.Gray16{Y: 800})
expected.SetGray16(0, 1, color.Gray16{Y: 419})
expected.SetGray16(1, 1, color.Gray16{Y: 16})
expected.SetGray16(0, 2, color.Gray16{Y: 2390})
expected.SetGray16(1, 2, color.Gray16{Y: 93})
img, _, err = decoder.Decode(input, width, height)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(expected, img) {
t.Errorf("Wrong decode result,\nexpected:\n%+v\ngot:\n%+v", expected, img)
}
}