1 files changed, 30 insertions, 0 deletions
diff --git a/modules/util/timer_test.go b/modules/util/timer_test.go
new file mode 100644
index 00000000..602800c2
--- /dev/null
+++ b/modules/util/timer_test.go
@@ -0,0 +1,30 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package util
+
+import (
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDebounce(t *testing.T) {
+	var c int64
+	d := Debounce(50 * time.Millisecond)
+	d(func() { atomic.AddInt64(&c, 1) })
+	assert.EqualValues(t, 0, atomic.LoadInt64(&c))
+	d(func() { atomic.AddInt64(&c, 1) })
+	d(func() { atomic.AddInt64(&c, 1) })
+	time.Sleep(100 * time.Millisecond)
+	assert.EqualValues(t, 1, atomic.LoadInt64(&c))
+	d(func() { atomic.AddInt64(&c, 1) })
+	assert.EqualValues(t, 1, atomic.LoadInt64(&c))
+	d(func() { atomic.AddInt64(&c, 1) })
+	d(func() { atomic.AddInt64(&c, 1) })
+	d(func() { atomic.AddInt64(&c, 1) })
+	time.Sleep(100 * time.Millisecond)
+	assert.EqualValues(t, 2, atomic.LoadInt64(&c))
+}