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package async
import (
"testing"
"github.com/stretchr/testify/require"
"go.uber.org/goleak"
)
func TestQueuedChannel(t *testing.T) {
defer goleak.VerifyNone(t)
// Create a new queued channel.
queue := NewQueuedChannel[int](3, 3, NoopPanicHandler{})
// Push some items to the queue.
require.True(t, queue.Enqueue(1, 2, 3))
// Get a go channel to read from the queue.
resCh := queue.GetChannel()
// Check we can initially read items off the channel.
require.Equal(t, 1, <-resCh)
require.Equal(t, 2, <-resCh)
require.Equal(t, 3, <-resCh)
// Push some more items to the queue.
require.True(t, queue.Enqueue(4, 5, 6))
// Close the queue before reading the items.
queue.Close()
// Check we can still read the three items.
require.Equal(t, 4, <-resCh)
require.Equal(t, 5, <-resCh)
require.Equal(t, 6, <-resCh)
// Enqueuing more items after the queue is closed should return false.
require.False(t, queue.Enqueue(7, 8, 9))
}
func TestQueuedChannelDoesNotLeakIfThereAreNoReadersOnCloseAndDiscard(t *testing.T) {
defer goleak.VerifyNone(t)
// Create a new queued channel.
queue := NewQueuedChannel[int](1, 3, NoopPanicHandler{})
// Push some items to the queue.
require.True(t, queue.Enqueue(1, 2, 3))
queue.CloseAndDiscardQueued()
}
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