aerc/worker/imap/seqmap_test.go

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package imap
import (
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestSeqMap(t *testing.T) {
var seqmap SeqMap
var uid uint32
var found bool
assert := assert.New(t)
assert.Equal(seqmap.Size(), 0)
_, found = seqmap.Get(42)
assert.Equal(found, false)
_, found = seqmap.Pop(0)
assert.Equal(found, false)
seqmap.Put(1, 1337)
seqmap.Put(2, 42)
seqmap.Put(3, 1107)
assert.Equal(seqmap.Size(), 3)
_, found = seqmap.Pop(0)
assert.Equal(found, false)
uid, found = seqmap.Get(1)
assert.Equal(uid, uint32(1337))
assert.Equal(found, true)
uid, found = seqmap.Pop(1)
assert.Equal(uid, uint32(1337))
assert.Equal(found, true)
assert.Equal(seqmap.Size(), 2)
_, found = seqmap.Pop(1)
assert.Equal(found, false)
assert.Equal(seqmap.Size(), 2)
seqmap.Put(1, 7331)
assert.Equal(seqmap.Size(), 3)
seqmap.Clear()
assert.Equal(seqmap.Size(), 0)
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
time.Sleep(20 * time.Millisecond)
seqmap.Put(42, 1337)
time.Sleep(20 * time.Millisecond)
seqmap.Put(43, 1107)
}()
wg.Add(1)
go func() {
defer wg.Done()
for _, found := seqmap.Pop(43); !found; _, found = seqmap.Pop(43) {
time.Sleep(1 * time.Millisecond)
}
}()
wg.Add(1)
go func() {
defer wg.Done()
for _, found := seqmap.Pop(42); !found; _, found = seqmap.Pop(42) {
time.Sleep(1 * time.Millisecond)
}
}()
wg.Wait()
assert.Equal(seqmap.Size(), 0)
}