1package image
 2
 3import (
 4	"image"
 5	"testing"
 6
 7	"github.com/stretchr/testify/require"
 8)
 9
10func TestResetCache(t *testing.T) {
11	t.Parallel()
12
13	cachedMutex.Lock()
14	cachedImages[imageKey{id: "a", cols: 10, rows: 10}] = cachedImage{
15		img:  image.NewRGBA(image.Rect(0, 0, 1, 1)),
16		cols: 10,
17		rows: 10,
18	}
19	cachedImages[imageKey{id: "b", cols: 20, rows: 20}] = cachedImage{
20		img:  image.NewRGBA(image.Rect(0, 0, 1, 1)),
21		cols: 20,
22		rows: 20,
23	}
24	cachedMutex.Unlock()
25
26	ResetCache()
27
28	cachedMutex.RLock()
29	length := len(cachedImages)
30	cachedMutex.RUnlock()
31
32	require.Equal(t, 0, length)
33}
34
35func TestResetIdempotent(t *testing.T) {
36	t.Parallel()
37
38	// Calling Reset on an empty cache should not panic.
39	ResetCache()
40
41	cachedMutex.RLock()
42	length := len(cachedImages)
43	cachedMutex.RUnlock()
44
45	require.Equal(t, 0, length)
46}