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47 lines
815 B
47 lines
815 B
package sync_test
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import (
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"testing"
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"github.com/stretchr/testify/require"
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tmsync "github.com/tendermint/tendermint/libs/sync"
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)
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func TestWaker(t *testing.T) {
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// A new waker should block when sleeping.
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waker := tmsync.NewWaker()
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select {
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case <-waker.Sleep():
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require.Fail(t, "unexpected wakeup")
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default:
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}
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// Wakeups should not block, and should cause the next sleeper to awaken.
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waker.Wake()
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select {
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case <-waker.Sleep():
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default:
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require.Fail(t, "expected wakeup, but sleeping instead")
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}
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// Multiple wakeups should only wake a single sleeper.
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waker.Wake()
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waker.Wake()
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waker.Wake()
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select {
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case <-waker.Sleep():
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default:
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require.Fail(t, "expected wakeup, but sleeping instead")
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}
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select {
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case <-waker.Sleep():
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require.Fail(t, "unexpected wakeup")
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default:
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}
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}
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