add test

davidbyttow · Nov 5, 2022 · 109cf57 · 109cf57
1 parent 3e30a57
commit 109cf57
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/vips/image_golden_test.go b/vips/image_golden_test.go
@@ -745,6 +745,13 @@ func TestImage_ExtractBand(t *testing.T) {
 	}, nil, nil)
 }
 
+func TestImage_ExtractBandToImage(t *testing.T) {
+	goldenTest(t, resources+"with_alpha.png", func(img *ImageRef) error {
+		_, err := img.ExtractBandToImage(2, 1)
+		return err
+	}, nil, nil)
+}
+
 func TestImage_Flatten(t *testing.T) {
 	goldenTest(t, resources+"with_alpha.png", func(img *ImageRef) error {
 		return img.Flatten(&Color{R: 32, G: 64, B: 128})