waitingkuo commented on code in PR #3072:
URL: https://github.com/apache/arrow-rs/pull/3072#discussion_r1018585411


##########
arrow-array/src/array/primitive_array.rs:
##########
@@ -1347,7 +1389,39 @@ mod tests {
             ])
             .with_timezone("+08:00".to_string());
         assert_eq!(
-            "PrimitiveArray<Timestamp(Millisecond, Some(\"+08:00\"))>\n[\n  
2018-12-31T00:00:00,\n  2018-12-31T00:00:00,\n  1921-01-02T00:00:00,\n]",
+            "PrimitiveArray<Timestamp(Millisecond, Some(\"+08:00\"))>\n[\n  
2018-12-31T08:00:00+08:00,\n  2018-12-31T08:00:00+08:00,\n  
1921-01-02T08:00:00+08:00,\n]",
+            format!("{:?}", arr)
+        );
+    }
+
+    #[test]
+    fn test_timestamp_with_incorrect_tz_fmt_debug() {
+        let arr: PrimitiveArray<TimestampMillisecondType> =
+            TimestampMillisecondArray::from(vec![
+                1546214400000,
+                1546214400000,
+                -1546214400000,
+            ])
+            .with_timezone("xxx".to_string());
+        assert_eq!(
+            "PrimitiveArray<Timestamp(Millisecond, Some(\"xxx\"))>\n[\n  
2018-12-31T00:00:00 (Unknown Time Zone 'xxx'),\n  2018-12-31T00:00:00 (Unknown 
Time Zone 'xxx'),\n  1921-01-02T00:00:00 (Unknown Time Zone 'xxx'),\n]",
+            format!("{:?}", arr)
+        );
+    }
+
+    #[test]
+    #[cfg(feature = "chrono-tz")]
+    fn test_timestamp_with_tz_with_daylight_saving_fmt_debug() {
+        let arr: PrimitiveArray<TimestampMillisecondType> =
+            TimestampMillisecondArray::from(vec![
+                1647161999000,
+                1647162000000,
+                1667717999000,
+                1667718000000,
+            ])
+            .with_timezone("America/Denver".to_string());
+        assert_eq!(
+            "PrimitiveArray<Timestamp(Millisecond, 
Some(\"America/Denver\"))>\n[\n  2022-03-13T01:59:59-07:00,\n  
2022-03-13T03:00:00-06:00,\n  2022-11-06T00:59:59-06:00,\n  
2022-11-06T01:00:00-06:00,\n]",
             format!("{:?}", arr)

Review Comment:
   add these test cases to timezone with daylight saving



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