package queue // import "github.com/docker/docker/libcontainerd/queue" import ( "testing" "time" "gotest.tools/assert" ) func TestSerialization(t *testing.T) { var ( q Queue serialization = 1 ) q.Append("aaa", func() { //simulate a long time task time.Sleep(10 * time.Millisecond) assert.Equal(t, serialization, 1) serialization = 2 }) q.Append("aaa", func() { assert.Equal(t, serialization, 2) serialization = 3 }) q.Append("aaa", func() { assert.Equal(t, serialization, 3) serialization = 4 }) time.Sleep(20 * time.Millisecond) }