37 lines
498 B
Go
37 lines
498 B
Go
package commander
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import (
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"sync/atomic"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestNewSemaphore(t *testing.T) {
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t.Parallel()
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sem := NewSemaphore(2)
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var locked atomic.Uint32
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for i := 0; i < 3; i++ {
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go func() {
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sem.Acquire()
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locked.Add(1)
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}()
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}
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time.Sleep(time.Microsecond * 10)
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require.Equal(t, uint32(2), locked.Load())
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sem.Release()
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time.Sleep(time.Microsecond)
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require.Equal(t, uint32(3), locked.Load())
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sem.Release()
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sem.Release()
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}
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