| // Copyright 2019 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| // |
| // SPDX-License-Identifier: Apache-2.0 OR MIT |
| |
| package compression |
| |
| import ( |
| "reflect" |
| "testing" |
| ) |
| |
| func TestInterpolate(tt *testing.T) { |
| got := []int32{} |
| want := []int32{ |
| 1, 2, 2, 2, 2, 2, 2, 2, |
| 2, 3, 3, 4, 4, 5, 5, 6, |
| 6, 6, 6, 7, 7, 7, 8, 8, |
| 9, 9, 9, 9, 9, 9, 9, 9, |
| 9, |
| } |
| |
| for l := LevelFastest; l <= LevelSmallest; l += gap / 8 { |
| got = append(got, l.Interpolate(1, 2, 6, 9, 9)) |
| } |
| if !reflect.DeepEqual(got, want) { |
| tt.Fatalf("\ngot %d\nwant %d", got, want) |
| } |
| } |
