sending window

transport/internet/kcp/sending_test.go

@@ -62,3 +62,36 @@ func TestSendingQueueClear(t *testing.T) {
 	queue.Clear()
 	assert.Bool(queue.IsEmpty()).IsTrue()
 }
+
+func TestSendingWindow(t *testing.T) {
+	assert := assert.On(t)
+
+	window := NewSendingWindow(nil, 5)
+	window.Push(&DataSegment{
+		Number: 0,
+	})
+	window.Push(&DataSegment{
+		Number: 1,
+	})
+	window.Push(&DataSegment{
+		Number: 2,
+	})
+	assert.Int(window.Len()).Equals(3)
+
+	window.Remove(1)
+	assert.Int(window.Len()).Equals(3)
+	assert.Uint32(window.First().Number).Equals(0)
+
+	window.Remove(0)
+	assert.Int(window.Len()).Equals(1)
+	assert.Uint32(window.First().Number).Equals(2)
+
+	window.Remove(0)
+	assert.Int(window.Len()).Equals(0)
+
+	window.Push(&DataSegment{
+		Number: 4,
+	})
+	assert.Int(window.Len()).Equals(1)
+	assert.Uint32(window.First().Number).Equals(4)
+}