Unit tests for specified date and time format code

Author: wanghaochen2024

numfmt_test.go

@@ -288,6 +288,14 @@ func TestNumFmt(t *testing.T) {
 		{"43543.503206018519", "[$-401]mmmm dd yyyy  h:mm AM/PM aaa", "\u0645\u0627\u0631\u0633 19 2019  12:04 \u0645 \u0627\u0644\u062B\u0644\u0627\u062B\u0627\u0621"},
 		{"43543.503206018519", "[$-401]mmmmm dd yyyy  h:mm AM/PM ddd", "\u0645 19 2019  12:04 \u0645 \u0627\u0644\u062B\u0644\u0627\u062B\u0627\u0621"},
 		{"43543.503206018519", "[$-401]mmmmmm dd yyyy  h:mm AM/PM dddd", "\u0645\u0627\u0631\u0633 19 2019  12:04 \u0645 \u0627\u0644\u062B\u0644\u0627\u062B\u0627\u0621"},
+		{"44562.189571759256", "[$-1010401]mmm dd yyyy  h:mm AM/PM", "\u064A\u0646\u0627\u064A\u0631 01 2022  4:32 \u0635"},
+		{"44562.189571759256", "[$-1010401]mmmm dd yyyy  h:mm AM/PM", "\u064A\u0646\u0627\u064A\u0631 01 2022  4:32 \u0635"},
+		{"44562.189571759256", "[$-1010401]mmmmm dd yyyy  h:mm AM/PM", "\u064A 01 2022  4:32 \u0635"},
+		{"44562.189571759256", "[$-1010401]mmmmmm dd yyyy  h:mm AM/PM", "\u064A\u0646\u0627\u064A\u0631 01 2022  4:32 \u0635"},
+		{"43543.503206018519", "[$-1010401]mmm dd yyyy  h:mm AM/PM", "\u0645\u0627\u0631\u0633 19 2019  12:04 \u0645"},
+		{"43543.503206018519", "[$-1010401]mmmm dd yyyy  h:mm AM/PM aaa", "\u0645\u0627\u0631\u0633 19 2019  12:04 \u0645 \u0627\u0644\u062B\u0644\u0627\u062B\u0627\u0621"},
+		{"43543.503206018519", "[$-1010401]mmmmm dd yyyy  h:mm AM/PM ddd", "\u0645 19 2019  12:04 \u0645 \u0627\u0644\u062B\u0644\u0627\u062B\u0627\u0621"},
+		{"43543.503206018519", "[$-1010401]mmmmmm dd yyyy  h:mm AM/PM dddd", "\u0645\u0627\u0631\u0633 19 2019  12:04 \u0645 \u0627\u0644\u062B\u0644\u0627\u062B\u0627\u0621"},
 		{"44562.189571759256", "[$-2801]mmm dd yyyy  h:mm AM/PM", "\u0643\u0627\u0646\u0648\u0646%A0\u0627\u0644\u062B\u0627\u0646\u064A 01 2022  4:32 \u0635"},
 		{"44562.189571759256", "[$-2801]mmmm dd yyyy  h:mm AM/PM", "\u0643\u0627\u0646\u0648\u0646%A0\u0627\u0644\u062B\u0627\u0646\u064A 01 2022  4:32 \u0635"},
 		{"44562.189571759256", "[$-2801]mmmmm dd yyyy  h:mm AM/PM", "\u0643 01 2022  4:32 \u0635"},
@@ -3628,7 +3636,9 @@ func TestNumFmt(t *testing.T) {
 	// Test format number with specified date and time format code
 	for _, item := range [][]string{
 		{"43543.503206018519", "[$-F800]dddd, mmmm dd, yyyy", "2019年3月19日"},
+		{"43543.503206018519", "[$-x-sysdate]dddd, mmmm dd, yyyy", "2019年3月19日"},
 		{"43543.503206018519", "[$-F400]h:mm:ss AM/PM", "12:04:37"},
+		{"43543.503206018519", "[$-x-systime]h:mm:ss AM/PM", "12:04:37"},
 	} {
 		result := format(item[0], item[1], false, CellTypeNumber, &Options{
 			ShortDatePattern: "yyyy/m/d",