initial import

core/timex/ticker_test.go

@@ -0,0 +1,46 @@
+package timex
+
+import (
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRealTickerDoTick(t *testing.T) {
+	ticker := NewTicker(time.Millisecond * 10)
+	defer ticker.Stop()
+	var count int
+	for range ticker.Chan() {
+		count++
+		if count > 5 {
+			break
+		}
+	}
+}
+
+func TestFakeTicker(t *testing.T) {
+	const total = 5
+	ticker := NewFakeTicker()
+	defer ticker.Stop()
+
+	var count int32
+	go func() {
+		for {
+			select {
+			case <-ticker.Chan():
+				if atomic.AddInt32(&count, 1) == total {
+					ticker.Done()
+				}
+			}
+		}
+	}()
+
+	for i := 0; i < 5; i++ {
+		ticker.Tick()
+	}
+
+	assert.Nil(t, ticker.Wait(time.Second))
+	assert.Equal(t, int32(total), atomic.LoadInt32(&count))
+}