chore: more tests (#3340)

core/syncx/timeoutlimit_test.go

@@ -9,6 +9,22 @@ import (
 )
 
 func TestTimeoutLimit(t *testing.T) {
+	tests := []struct {
+		name     string
+		interval time.Duration
+	}{
+		{
+			name: "no wait",
+		},
+		{
+			name:     "wait",
+			interval: time.Millisecond * 100,
+		},
+	}
+
+	for _, test := range tests {
+		test := test
+		t.Run(test.name, func(t *testing.T) {
 			limit := NewTimeoutLimit(2)
 			assert.Nil(t, limit.Borrow(time.Millisecond*200))
 			assert.Nil(t, limit.Borrow(time.Millisecond*200))
@@ -19,6 +35,7 @@ func TestTimeoutLimit(t *testing.T) {
 			go func() {
 				wait1.Wait()
 				wait2.Done()
+				time.Sleep(test.interval)
 				assert.Nil(t, limit.Return())
 				wait3.Done()
 			}()
@@ -30,4 +47,6 @@ func TestTimeoutLimit(t *testing.T) {
 			assert.Nil(t, limit.Return())
 			assert.Nil(t, limit.Return())
 			assert.Equal(t, ErrLimitReturn, limit.Return())
+		})
+	}
 }