From 06a4ff4897146bb7ea0b78798f594735e07f3df0 Mon Sep 17 00:00:00 2001
From: sterlingdeng <sterling@deng.wtf>
Date: Sun, 24 Nov 2024 13:47:30 -0800
Subject: [PATCH] add test

---
 pkg/gcc/arrival_group_accumulator_test.go | 60 +++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/pkg/gcc/arrival_group_accumulator_test.go b/pkg/gcc/arrival_group_accumulator_test.go
index be48962..25d87c0 100644
--- a/pkg/gcc/arrival_group_accumulator_test.go
+++ b/pkg/gcc/arrival_group_accumulator_test.go
@@ -156,6 +156,66 @@ func TestArrivalGroupAccumulator(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "newGroupBecauseOfInterDepartureTime",
+			log: []cc.Acknowledgment{
+				{
+					SequenceNumber: 0,
+					Departure:      time.Time{},
+					Arrival:        time.Time{}.Add(4 * time.Millisecond),
+				},
+				{
+					SequenceNumber: 1,
+					Departure:      time.Time{}.Add(3 * time.Millisecond),
+					Arrival:        time.Time{}.Add(4 * time.Millisecond),
+				},
+				{
+					SequenceNumber: 2,
+					Departure:      time.Time{}.Add(6 * time.Millisecond),
+					Arrival:        time.Time{}.Add(10 * time.Millisecond),
+				},
+				{
+					SequenceNumber: 3,
+					Departure:      time.Time{}.Add(9 * time.Millisecond),
+					Arrival:        time.Time{}.Add(10 * time.Millisecond),
+				},
+				triggerNewGroupElement,
+			},
+			exp: []arrivalGroup{
+				{
+					packets: []cc.Acknowledgment{
+						{
+							SequenceNumber: 0,
+							Departure:      time.Time{},
+							Arrival:        time.Time{}.Add(4 * time.Millisecond),
+						},
+						{
+							SequenceNumber: 1,
+							Departure:      time.Time{}.Add(3 * time.Millisecond),
+							Arrival:        time.Time{}.Add(4 * time.Millisecond),
+						},
+					},
+					departure: time.Time{},
+					arrival:   time.Time{}.Add(4 * time.Millisecond),
+				},
+				{
+					packets: []cc.Acknowledgment{
+						{
+							SequenceNumber: 2,
+							Departure:      time.Time{}.Add(6 * time.Millisecond),
+							Arrival:        time.Time{}.Add(10 * time.Millisecond),
+						},
+						{
+							SequenceNumber: 3,
+							Departure:      time.Time{}.Add(9 * time.Millisecond),
+							Arrival:        time.Time{}.Add(10 * time.Millisecond),
+						},
+					},
+					departure: time.Time{}.Add(6 * time.Millisecond),
+					arrival:   time.Time{}.Add(10 * time.Millisecond),
+				},
+			},
+		},
 	}
 
 	for _, tc := range cases {