test(listx): add listx remove

pkg/structure/listx/listx_test.go

@@ -204,3 +204,25 @@ func TestListx_Range(t *testing.T) {
 	_, err = list.Range(6, -1)
 	require.Error(t, err)
 }
+
+func TestListx_Remove(t *testing.T) {
+	list := NewListXSingle()
+	list.RPush("a", "b", "c", "c", "e")
+
+	count, up := list.Remove("c", -2)
+	require.Equal(t, count, 2)
+	require.Equal(t, int(up), 34)
+
+	res, _ := list.LPop(list.Length())
+	require.Equal(t, res, []string{"a", "b", "e"})
+
+	list = NewListXSingle()
+	list.RPush("a", "b", "c", "c", "e")
+
+	count, up = list.Remove("b", 1)
+	require.Equal(t, count, 1)
+	require.Equal(t, int(up), 17)
+
+	res, _ = list.LPop(list.Length())
+	require.Equal(t, res, []string{"a", "c", "c", "e"})
+}