| // Copyright 2019 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| 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) |
| } |
| } |
