mirror of
https://github.com/hajimehoshi/ebiten.git
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166 lines
3.5 KiB
Go
166 lines
3.5 KiB
Go
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// Copyright 2023 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package restorable_test
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import (
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"image"
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"testing"
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"github.com/hajimehoshi/ebiten/v2/internal/restorable"
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)
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func areEqualRectangles(a, b []image.Rectangle) bool {
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if len(a) != len(b) {
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return false
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}
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for i := range a {
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if a[i] != b[i] {
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return false
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}
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}
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return true
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}
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func TestRemoveDuplicatedRegions(t *testing.T) {
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cases := []struct {
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Regions []image.Rectangle
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NewRegions []image.Rectangle
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Expected []image.Rectangle
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}{
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{
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Regions: nil,
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NewRegions: nil,
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Expected: nil,
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},
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{
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 2, 2),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 2, 2),
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},
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},
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{
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 1, 1),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 2, 2),
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},
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},
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{
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 1, 1),
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image.Rect(0, 0, 2, 2),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 2, 2),
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},
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},
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{
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 1, 3),
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 1, 3),
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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},
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},
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{
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 1, 3),
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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image.Rect(0, 0, 4, 4),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 4, 4),
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},
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},
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{
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 1, 3),
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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image.Rect(0, 0, 4, 4),
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image.Rect(1, 1, 2, 2),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 4, 4),
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},
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},
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{
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 1, 3),
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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image.Rect(0, 0, 4, 4),
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image.Rect(0, 0, 5, 5),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 5, 5),
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},
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},
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{
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Regions: []image.Rectangle{
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image.Rect(0, 0, 1, 3),
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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image.Rect(0, 0, 4, 4),
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},
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 5, 5),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 5, 5),
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},
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},
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{
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Regions: []image.Rectangle{
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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image.Rect(0, 0, 4, 4),
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image.Rect(0, 0, 5, 5),
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},
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NewRegions: []image.Rectangle{
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image.Rect(0, 0, 1, 3),
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},
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Expected: []image.Rectangle{
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image.Rect(0, 0, 2, 2),
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image.Rect(0, 0, 3, 1),
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image.Rect(0, 0, 4, 4),
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image.Rect(0, 0, 5, 5),
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},
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},
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}
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for _, c := range cases {
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got := c.Regions
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for _, r := range c.NewRegions {
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restorable.AppendRegionRemovingDuplicates(&got, r)
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}
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want := c.Expected
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if !areEqualRectangles(got, want) {
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t.Errorf("restorable.RemoveDuplicatedRegions(%#v): got: %#v, want: %#v", c.NewRegions, got, want)
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}
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}
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}
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