tinygo/src/sync/pool_test.go
2022-11-04 19:53:12 +01:00

50 строки
859 Б
Go

package sync_test
import (
"sync"
"testing"
)
type testItem struct {
val int
}
func TestPool(t *testing.T) {
p := sync.Pool{
New: func() interface{} {
return &testItem{}
},
}
i1P := p.Get()
if i1P == nil {
t.Error("pool with New returned nil")
}
i1 := i1P.(*testItem)
if got, want := i1.val, 0; got != want {
t.Errorf("empty pool item value: got %v, want %v", got, want)
}
i1.val = 1
i2 := p.Get().(*testItem)
if got, want := i2.val, 0; got != want {
t.Errorf("empty pool item value: got %v, want %v", got, want)
}
i2.val = 2
p.Put(i1)
i3 := p.Get().(*testItem)
if got, want := i3.val, 1; got != want {
t.Errorf("pool with item value: got %v, want %v", got, want)
}
}
func TestPool_noNew(t *testing.T) {
p := sync.Pool{}
i1 := p.Get()
if i1 != nil {
t.Errorf("pool without New returned %v, want nil", i1)
}
}