initial import

core/syncx/spinlock_test.go

@@ -0,0 +1,41 @@
+package syncx
+
+import (
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestTryLock(t *testing.T) {
+	var lock SpinLock
+	assert.True(t, lock.TryLock())
+	assert.False(t, lock.TryLock())
+	lock.Unlock()
+	assert.True(t, lock.TryLock())
+}
+
+func TestSpinLock(t *testing.T) {
+	var lock SpinLock
+	lock.Lock()
+	assert.False(t, lock.TryLock())
+	lock.Unlock()
+	assert.True(t, lock.TryLock())
+}
+
+func TestSpinLockRace(t *testing.T) {
+	var lock SpinLock
+	lock.Lock()
+	var wait sync.WaitGroup
+	wait.Add(1)
+	go func() {
+		lock.Lock()
+		lock.Unlock()
+		wait.Done()
+	}()
+	time.Sleep(time.Millisecond * 100)
+	lock.Unlock()
+	wait.Wait()
+	assert.True(t, lock.TryLock())
+}