33 lines
572 B
Go
33 lines
572 B
Go
package sync
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"golang.org/x/sync/errgroup"
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)
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func TestKeyLocker(t *testing.T) {
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taken := false
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eg, _ := errgroup.WithContext(context.Background())
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keyLocker := NewKeyLocker[int]()
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for i := 0; i < 100; i++ {
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eg.Go(func() error {
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keyLocker.Lock(0)
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defer keyLocker.Unlock(0)
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require.False(t, taken)
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taken = true
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require.True(t, taken)
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time.Sleep(10 * time.Millisecond)
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taken = false
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require.False(t, taken)
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return nil
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})
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}
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require.NoError(t, eg.Wait())
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}
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