mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-24 02:38:53 +01:00
internal/buffered: move tests to internal/beforemaintest
Also, this change moves TestUnsyncedPixels to buffered_test.
This commit is contained in:
Hajime Hoshi
parent
7b3eae3dcb
commit
2f894cb311
@ -4582,29 +4582,3 @@ func TestImageDrawImageAfterDeallocation(t *testing.T) {
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}
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}
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}
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func TestUnsyncedPixels(t *testing.T) {
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// This tests a corner case in internal/buffer.Image.
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dst := ebiten.NewImage(16, 16)
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// Add an entry for dotsBuffer at (0, 0).
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dst.Set(0, 0, color.RGBA{0xff, 0xff, 0xff, 0xff})
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// Merge the entry into the cached pixels.
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// The entry for dotsBuffer is now gone in the current implementation.
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dst.ReadPixels(make([]byte, 4*16*16))
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// Call WritePixels with the outside region of (0, 0).
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dst.SubImage(image.Rect(1, 1, 3, 3)).(*ebiten.Image).WritePixels(make([]byte, 4*2*2))
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// Flush unsynced pixel cache.
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src := ebiten.NewImage(16, 16)
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dst.DrawImage(src, nil)
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// Check the result is correct.
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got := dst.At(0, 0)
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want := color.RGBA{0xff, 0xff, 0xff, 0xff}
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if got != want {
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t.Errorf("got: %v, want: %v", got, want)
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}
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}
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333
internal/beforemaintest/image_test.go
Normal file
333
internal/beforemaintest/image_test.go
Normal file
@ -0,0 +1,333 @@
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// Copyright 2019 The Ebiten 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 beforemiantest_test
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import (
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"image/color"
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"os"
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"runtime"
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"testing"
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"time"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/internal/atlas"
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"github.com/hajimehoshi/ebiten/v2/internal/buffered"
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)
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var gameUpdateCh = make(chan func())
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func runOnGameUpdate(f func()) {
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ch := make(chan struct{})
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gameUpdateCh <- func() {
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f()
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close(ch)
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}
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<-ch
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}
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type game struct {
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m *testing.M
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endCh chan struct{}
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code int
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}
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func (g *game) Update() error {
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select {
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case f := <-gameUpdateCh:
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f()
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case <-g.endCh:
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return ebiten.Termination
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}
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return nil
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}
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func (*game) Draw(*ebiten.Image) {
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}
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func (*game) Layout(int, int) (int, int) {
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return 320, 240
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}
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func TestMain(m *testing.M) {
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codeCh := make(chan int)
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endCh := make(chan struct{})
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go func() {
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code := m.Run()
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close(endCh)
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codeCh <- code
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close(codeCh)
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}()
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g := &game{
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m: m,
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endCh: endCh,
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}
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if err := ebiten.RunGame(g); err != nil {
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panic(err)
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}
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os.Exit(<-codeCh)
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}
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type testResult struct {
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want color.RGBA
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got <-chan color.RGBA
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}
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var testSetBeforeMainResult = func() testResult {
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clr := color.RGBA{R: 1, G: 2, B: 3, A: 4}
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img := ebiten.NewImage(16, 16)
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img.Set(0, 0, clr)
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ch := make(chan color.RGBA, 1)
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go func() {
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runOnGameUpdate(func() {
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ch <- img.At(0, 0).(color.RGBA)
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})
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}()
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return testResult{
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want: clr,
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got: ch,
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}
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}()
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func TestSetBeforeMain(t *testing.T) {
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got := <-testSetBeforeMainResult.got
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want := testSetBeforeMainResult.want
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if got != want {
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t.Errorf("got: %v, want: %v", got, want)
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}
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}
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var testDrawImageBeforeMainResult = func() testResult {
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const w, h = 16, 16
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src := ebiten.NewImage(w, h)
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dst := ebiten.NewImage(w, h)
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src.Set(0, 0, color.White)
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dst.DrawImage(src, nil)
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ch := make(chan color.RGBA, 1)
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go func() {
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runOnGameUpdate(func() {
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ch <- dst.At(0, 0).(color.RGBA)
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})
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}()
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return testResult{
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want: color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff},
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got: ch,
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}
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}()
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func TestDrawImageBeforeMain(t *testing.T) {
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got := <-testDrawImageBeforeMainResult.got
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want := testDrawImageBeforeMainResult.want
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if got != want {
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t.Errorf("got: %v, want: %v", got, want)
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}
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}
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var testDrawTrianglesBeforeMainResult = func() testResult {
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const w, h = 16, 16
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src := ebiten.NewImage(w, h)
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dst := ebiten.NewImage(w, h)
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src.Set(0, 0, color.White)
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vs := []ebiten.Vertex{
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{
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DstX: 0,
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DstY: 0,
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SrcX: 0,
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SrcY: 0,
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ColorR: 1,
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ColorG: 1,
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ColorB: 1,
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ColorA: 1,
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},
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{
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DstX: w,
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DstY: 0,
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SrcX: w,
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SrcY: 0,
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ColorR: 1,
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ColorG: 1,
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ColorB: 1,
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ColorA: 1,
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},
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{
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DstX: 0,
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DstY: h,
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SrcX: 0,
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SrcY: h,
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ColorR: 1,
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ColorG: 1,
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ColorB: 1,
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ColorA: 1,
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},
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}
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dst.DrawTriangles(vs, []uint16{0, 1, 2}, src, nil)
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ch := make(chan color.RGBA, 1)
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go func() {
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runOnGameUpdate(func() {
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ch <- dst.At(0, 0).(color.RGBA)
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})
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}()
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return testResult{
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want: color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff},
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got: ch,
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}
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}()
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func TestDrawTrianglesBeforeMain(t *testing.T) {
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got := <-testDrawTrianglesBeforeMainResult.got
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want := testDrawTrianglesBeforeMainResult.want
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if got != want {
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t.Errorf("got: %v, want: %v", got, want)
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}
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}
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var testSetAndFillBeforeMainResult = func() testResult {
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clr := color.RGBA{R: 1, G: 2, B: 3, A: 4}
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img := ebiten.NewImage(16, 16)
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img.Set(0, 0, clr)
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img.Fill(color.RGBA{R: 5, G: 6, B: 7, A: 8})
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img.Set(1, 0, clr)
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ch := make(chan color.RGBA, 1)
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go func() {
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runOnGameUpdate(func() {
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ch <- img.At(0, 0).(color.RGBA)
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})
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}()
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return testResult{
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want: color.RGBA{R: 5, G: 6, B: 7, A: 8},
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got: ch,
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}
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}()
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func TestSetAndFillBeforeMain(t *testing.T) {
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got := <-testSetAndFillBeforeMainResult.got
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want := testSetAndFillBeforeMainResult.want
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if got != want {
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t.Errorf("got: %v, want: %v", got, want)
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}
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}
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var testSetAndWritePixelsBeforeMainResult = func() testResult {
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clr := color.RGBA{R: 1, G: 2, B: 3, A: 4}
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img := ebiten.NewImage(16, 16)
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img.Set(0, 0, clr)
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pix := make([]byte, 4*16*16)
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for i := 0; i < len(pix)/4; i++ {
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pix[4*i] = 5
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pix[4*i+1] = 6
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pix[4*i+2] = 7
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pix[4*i+3] = 8
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}
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img.WritePixels(pix)
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img.Set(1, 0, clr)
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ch := make(chan color.RGBA, 1)
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go func() {
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runOnGameUpdate(func() {
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ch <- img.At(0, 0).(color.RGBA)
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})
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}()
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return testResult{
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want: color.RGBA{R: 5, G: 6, B: 7, A: 8},
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got: ch,
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}
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}()
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func TestSetAndWritePixelsBeforeMain(t *testing.T) {
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got := <-testSetAndWritePixelsBeforeMainResult.got
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want := testSetAndWritePixelsBeforeMainResult.want
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if got != want {
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t.Errorf("got: %v, want: %v", got, want)
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}
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}
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var testWritePixelsAndModifyBeforeMainResult = func() testResult {
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img := ebiten.NewImage(16, 16)
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pix := make([]byte, 4*16*16)
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for i := 0; i < len(pix)/4; i++ {
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pix[4*i] = 1
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pix[4*i+1] = 2
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pix[4*i+2] = 3
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pix[4*i+3] = 4
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}
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img.WritePixels(pix)
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// After calling WritePixels, modifying pix must not affect the result.
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for i := 0; i < len(pix)/4; i++ {
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pix[4*i] = 5
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pix[4*i+1] = 6
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pix[4*i+2] = 7
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pix[4*i+3] = 8
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}
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ch := make(chan color.RGBA, 1)
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go func() {
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runOnGameUpdate(func() {
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ch <- img.At(0, 0).(color.RGBA)
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})
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}()
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return testResult{
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want: color.RGBA{R: 1, G: 2, B: 3, A: 4},
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got: ch,
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}
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}()
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func TestWritePixelsAndModifyBeforeMain(t *testing.T) {
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got := <-testWritePixelsAndModifyBeforeMainResult.got
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want := testWritePixelsAndModifyBeforeMainResult.want
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if got != want {
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t.Errorf("got: %v, want: %v", got, want)
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}
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}
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var imageGCedCh = make(chan struct{})
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func init() {
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img := buffered.NewImage(1, 1, atlas.ImageTypeRegular)
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runtime.SetFinalizer(img, func(*buffered.Image) {
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close(imageGCedCh)
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})
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}
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func TestGC(t *testing.T) {
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runOnGameUpdate(func() {
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runtime.GC()
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// A finalizer should be called eventually, but this might not be immediate.
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// Set a time out.
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select {
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case <-imageGCedCh:
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return
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case <-time.After(time.Second):
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t.Error("an image in init() must be GCed but not")
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}
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})
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}
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@ -146,7 +146,7 @@ func (i *Image) WritePixels(pix []byte, region image.Rectangle) {
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copy(i.pixels[dstX:dstX+lineWidth], pix[srcX:srcX+lineWidth])
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}
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// pixelsUnsynced can NOT be set false as the outside pixels of the region is not written by WritePixels here.
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// See the test ebiten.TestUnsyncedPixels.
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// See the test TestUnsyncedPixels.
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}
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// Even if i.pixels is nil, do not create a pixel cache.
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@ -1,4 +1,4 @@
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// Copyright 2019 The Ebiten Authors
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// Copyright 2024 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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@ -15,319 +15,48 @@
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package buffered_test
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import (
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"image/color"
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"os"
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"runtime"
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"image"
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"testing"
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"time"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/internal/atlas"
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"github.com/hajimehoshi/ebiten/v2/internal/buffered"
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"github.com/hajimehoshi/ebiten/v2/internal/graphics"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
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t "github.com/hajimehoshi/ebiten/v2/internal/testing"
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"github.com/hajimehoshi/ebiten/v2/internal/ui"
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)
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var gameUpdateCh = make(chan func())
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func runOnGameUpdate(f func()) {
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ch := make(chan struct{})
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gameUpdateCh <- func() {
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f()
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close(ch)
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}
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<-ch
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}
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type game struct {
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m *testing.M
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endCh chan struct{}
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code int
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}
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func (g *game) Update() error {
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select {
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case f := <-gameUpdateCh:
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f()
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case <-g.endCh:
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return ebiten.Termination
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}
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return nil
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}
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func (*game) Draw(*ebiten.Image) {
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}
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func (*game) Layout(int, int) (int, int) {
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return 320, 240
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}
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func TestMain(m *testing.M) {
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codeCh := make(chan int)
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endCh := make(chan struct{})
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go func() {
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code := m.Run()
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close(endCh)
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codeCh <- code
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close(codeCh)
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}()
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g := &game{
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m: m,
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endCh: endCh,
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}
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if err := ebiten.RunGame(g); err != nil {
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panic(err)
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}
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os.Exit(<-codeCh)
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t.MainWithRunLoop(m)
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}
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type testResult struct {
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want color.RGBA
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got <-chan color.RGBA
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}
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func TestUnsyncedPixels(t *testing.T) {
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dst := buffered.NewImage(16, 16, atlas.ImageTypeRegular)
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var testSetBeforeMainResult = func() testResult {
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clr := color.RGBA{R: 1, G: 2, B: 3, A: 4}
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img := ebiten.NewImage(16, 16)
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img.Set(0, 0, clr)
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// Add an entry for dotsBuffer at (0, 0).
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dst.WritePixels([]byte{0xff, 0xff, 0xff, 0xff}, image.Rect(0, 0, 1, 1))
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ch := make(chan color.RGBA, 1)
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go func() {
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runOnGameUpdate(func() {
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ch <- img.At(0, 0).(color.RGBA)
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})
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}()
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// Merge the entry into the cached pixels.
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// The entry for dotsBuffer is now gone in the current implementation.
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dst.ReadPixels(ui.Get().GraphicsDriverForTesting(), make([]byte, 4*16*16), image.Rect(0, 0, 16, 16))
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return testResult{
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want: clr,
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got: ch,
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}
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}()
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// Call WritePixels with the outside region of (0, 0).
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dst.WritePixels(make([]byte, 4*2*2), image.Rect(1, 1, 3, 3))
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func TestSetBeforeMain(t *testing.T) {
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got := <-testSetBeforeMainResult.got
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want := testSetBeforeMainResult.want
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// Flush unsynced pixel cache.
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src := buffered.NewImage(16, 16, atlas.ImageTypeRegular)
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vs := make([]float32, 4*graphics.VertexFloatCount)
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graphics.QuadVertices(vs, 0, 0, 16, 16, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
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is := graphics.QuadIndices()
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dr := image.Rect(0, 0, 16, 16)
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sr := [graphics.ShaderImageCount]image.Rectangle{image.Rect(0, 0, 16, 16)}
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dst.DrawTriangles([graphics.ShaderImageCount]*buffered.Image{src}, vs, is, graphicsdriver.BlendSourceOver, dr, sr, atlas.NearestFilterShader, nil, graphicsdriver.FillAll)
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// Check the result is correct.
|
||||
var got [4]byte
|
||||
dst.ReadPixels(ui.Get().GraphicsDriverForTesting(), got[:], image.Rect(0, 0, 1, 1))
|
||||
want := [4]byte{0xff, 0xff, 0xff, 0xff}
|
||||
if got != want {
|
||||
t.Errorf("got: %v, want: %v", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
var testDrawImageBeforeMainResult = func() testResult {
|
||||
const w, h = 16, 16
|
||||
src := ebiten.NewImage(w, h)
|
||||
dst := ebiten.NewImage(w, h)
|
||||
src.Set(0, 0, color.White)
|
||||
dst.DrawImage(src, nil)
|
||||
|
||||
ch := make(chan color.RGBA, 1)
|
||||
go func() {
|
||||
runOnGameUpdate(func() {
|
||||
ch <- dst.At(0, 0).(color.RGBA)
|
||||
})
|
||||
}()
|
||||
|
||||
return testResult{
|
||||
want: color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff},
|
||||
got: ch,
|
||||
}
|
||||
}()
|
||||
|
||||
func TestDrawImageBeforeMain(t *testing.T) {
|
||||
got := <-testDrawImageBeforeMainResult.got
|
||||
want := testDrawImageBeforeMainResult.want
|
||||
|
||||
if got != want {
|
||||
t.Errorf("got: %v, want: %v", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
var testDrawTrianglesBeforeMainResult = func() testResult {
|
||||
const w, h = 16, 16
|
||||
src := ebiten.NewImage(w, h)
|
||||
dst := ebiten.NewImage(w, h)
|
||||
src.Set(0, 0, color.White)
|
||||
vs := []ebiten.Vertex{
|
||||
{
|
||||
DstX: 0,
|
||||
DstY: 0,
|
||||
SrcX: 0,
|
||||
SrcY: 0,
|
||||
ColorR: 1,
|
||||
ColorG: 1,
|
||||
ColorB: 1,
|
||||
ColorA: 1,
|
||||
},
|
||||
{
|
||||
DstX: w,
|
||||
DstY: 0,
|
||||
SrcX: w,
|
||||
SrcY: 0,
|
||||
ColorR: 1,
|
||||
ColorG: 1,
|
||||
ColorB: 1,
|
||||
ColorA: 1,
|
||||
},
|
||||
{
|
||||
DstX: 0,
|
||||
DstY: h,
|
||||
SrcX: 0,
|
||||
SrcY: h,
|
||||
ColorR: 1,
|
||||
ColorG: 1,
|
||||
ColorB: 1,
|
||||
ColorA: 1,
|
||||
},
|
||||
}
|
||||
dst.DrawTriangles(vs, []uint16{0, 1, 2}, src, nil)
|
||||
|
||||
ch := make(chan color.RGBA, 1)
|
||||
go func() {
|
||||
runOnGameUpdate(func() {
|
||||
ch <- dst.At(0, 0).(color.RGBA)
|
||||
})
|
||||
}()
|
||||
|
||||
return testResult{
|
||||
want: color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff},
|
||||
got: ch,
|
||||
}
|
||||
}()
|
||||
|
||||
func TestDrawTrianglesBeforeMain(t *testing.T) {
|
||||
got := <-testDrawTrianglesBeforeMainResult.got
|
||||
want := testDrawTrianglesBeforeMainResult.want
|
||||
|
||||
if got != want {
|
||||
t.Errorf("got: %v, want: %v", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
var testSetAndFillBeforeMainResult = func() testResult {
|
||||
clr := color.RGBA{R: 1, G: 2, B: 3, A: 4}
|
||||
img := ebiten.NewImage(16, 16)
|
||||
img.Set(0, 0, clr)
|
||||
img.Fill(color.RGBA{R: 5, G: 6, B: 7, A: 8})
|
||||
img.Set(1, 0, clr)
|
||||
|
||||
ch := make(chan color.RGBA, 1)
|
||||
go func() {
|
||||
runOnGameUpdate(func() {
|
||||
ch <- img.At(0, 0).(color.RGBA)
|
||||
})
|
||||
}()
|
||||
|
||||
return testResult{
|
||||
want: color.RGBA{R: 5, G: 6, B: 7, A: 8},
|
||||
got: ch,
|
||||
}
|
||||
}()
|
||||
|
||||
func TestSetAndFillBeforeMain(t *testing.T) {
|
||||
got := <-testSetAndFillBeforeMainResult.got
|
||||
want := testSetAndFillBeforeMainResult.want
|
||||
|
||||
if got != want {
|
||||
t.Errorf("got: %v, want: %v", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
var testSetAndWritePixelsBeforeMainResult = func() testResult {
|
||||
clr := color.RGBA{R: 1, G: 2, B: 3, A: 4}
|
||||
img := ebiten.NewImage(16, 16)
|
||||
img.Set(0, 0, clr)
|
||||
pix := make([]byte, 4*16*16)
|
||||
for i := 0; i < len(pix)/4; i++ {
|
||||
pix[4*i] = 5
|
||||
pix[4*i+1] = 6
|
||||
pix[4*i+2] = 7
|
||||
pix[4*i+3] = 8
|
||||
}
|
||||
img.WritePixels(pix)
|
||||
img.Set(1, 0, clr)
|
||||
|
||||
ch := make(chan color.RGBA, 1)
|
||||
go func() {
|
||||
runOnGameUpdate(func() {
|
||||
ch <- img.At(0, 0).(color.RGBA)
|
||||
})
|
||||
}()
|
||||
|
||||
return testResult{
|
||||
want: color.RGBA{R: 5, G: 6, B: 7, A: 8},
|
||||
got: ch,
|
||||
}
|
||||
}()
|
||||
|
||||
func TestSetAndWritePixelsBeforeMain(t *testing.T) {
|
||||
got := <-testSetAndWritePixelsBeforeMainResult.got
|
||||
want := testSetAndWritePixelsBeforeMainResult.want
|
||||
|
||||
if got != want {
|
||||
t.Errorf("got: %v, want: %v", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
var testWritePixelsAndModifyBeforeMainResult = func() testResult {
|
||||
img := ebiten.NewImage(16, 16)
|
||||
pix := make([]byte, 4*16*16)
|
||||
for i := 0; i < len(pix)/4; i++ {
|
||||
pix[4*i] = 1
|
||||
pix[4*i+1] = 2
|
||||
pix[4*i+2] = 3
|
||||
pix[4*i+3] = 4
|
||||
}
|
||||
img.WritePixels(pix)
|
||||
// After calling WritePixels, modifying pix must not affect the result.
|
||||
for i := 0; i < len(pix)/4; i++ {
|
||||
pix[4*i] = 5
|
||||
pix[4*i+1] = 6
|
||||
pix[4*i+2] = 7
|
||||
pix[4*i+3] = 8
|
||||
}
|
||||
|
||||
ch := make(chan color.RGBA, 1)
|
||||
go func() {
|
||||
runOnGameUpdate(func() {
|
||||
ch <- img.At(0, 0).(color.RGBA)
|
||||
})
|
||||
}()
|
||||
|
||||
return testResult{
|
||||
want: color.RGBA{R: 1, G: 2, B: 3, A: 4},
|
||||
got: ch,
|
||||
}
|
||||
}()
|
||||
|
||||
func TestWritePixelsAndModifyBeforeMain(t *testing.T) {
|
||||
got := <-testWritePixelsAndModifyBeforeMainResult.got
|
||||
want := testWritePixelsAndModifyBeforeMainResult.want
|
||||
|
||||
if got != want {
|
||||
t.Errorf("got: %v, want: %v", got, want)
|
||||
}
|
||||
}
|
||||
|
||||
var imageGCedCh = make(chan struct{})
|
||||
|
||||
func init() {
|
||||
img := buffered.NewImage(1, 1, atlas.ImageTypeRegular)
|
||||
runtime.SetFinalizer(img, func(*buffered.Image) {
|
||||
close(imageGCedCh)
|
||||
})
|
||||
}
|
||||
|
||||
func TestGC(t *testing.T) {
|
||||
runOnGameUpdate(func() {
|
||||
runtime.GC()
|
||||
|
||||
// A finalizer should be called eventually, but this might not be immediate.
|
||||
// Set a time out.
|
||||
select {
|
||||
case <-imageGCedCh:
|
||||
return
|
||||
case <-time.After(time.Second):
|
||||
t.Error("an image in init() must be GCed but not")
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user