atlas_dirty_test.go RawHistoryFolder

1package text
2
3import (
4	"bytes"
5	"image"
6	"testing"
7)
8
9func TestMarkAllDirty(t *testing.T) {
10	a, err := NewAtlas(16, 2)
11	if err != nil {
12		t.Fatal(err)
13	}
14	a.MarkAllDirty()
15	if got := a.Uploads(); len(got) != 0 {
16		t.Fatalf("empty atlas: %v", got)
17	}
18	m := Mask{Alpha: image.NewAlpha(image.Rect(0, 0, 2, 2))}
19	m.Alpha.Pix[0] = 123
20	if _, err := a.Insert(Key{Glyph: 1}, m); err != nil {
21		t.Fatal(err)
22	}
23	a.Uploads()
24	a.MarkAllDirty()
25	a.MarkAllDirty()
26	got := a.Uploads()
27	if len(got) != 1 || got[0].Page != 0 || got[0].Rect != image.Rect(0, 0, 16, 16) || !bytes.Equal(got[0].Bytes, a.pages[0].pixels) {
28		t.Fatalf("dirty snapshot: %v", got)
29	}
30	if got := a.Uploads(); len(got) != 0 {
31		t.Fatalf("not drained: %v", got)
32	}
33}