initial import

core/syncx/onceguard_test.go

@@ -0,0 +1,17 @@
+package syncx
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestOnceGuard(t *testing.T) {
+	var guard OnceGuard
+
+	assert.False(t, guard.Taken())
+	assert.True(t, guard.Take())
+	assert.True(t, guard.Taken())
+	assert.False(t, guard.Take())
+	assert.True(t, guard.Taken())
+}