anthonylouisbsb commented on a change in pull request #10425:
URL: https://github.com/apache/arrow/pull/10425#discussion_r788890693
##########
File path: cpp/src/gandiva/precompiled/time_test.cc
##########
@@ -397,6 +424,36 @@ TEST(TestTime, TimeStampAdd) {
EXPECT_EQ(date_diff_timestamp_int64(StringToTimestamp("2000-02-29
00:00:00"), 365),
StringToTimestamp("1999-03-01 00:00:00"));
+
+ EXPECT_EQ(
+ subtract_timestamp_month_interval(StringToTimestamp("2000-02-27
00:00:00"), 4),
Review comment:
Ditto
##########
File path: cpp/src/gandiva/precompiled/time_test.cc
##########
@@ -382,6 +386,29 @@ TEST(TestTime, TimeStampAdd) {
EXPECT_EQ(add_date64_int64(StringToTimestamp("2000-02-27 00:00:00"), 4),
StringToTimestamp("2000-03-02 00:00:00"));
+ EXPECT_EQ(add_timestamp_month_interval(StringToTimestamp("2000-02-27
00:00:00"), 4),
Review comment:
Another test case, for leap years, if the date is `2016-01-29` and you
add one month, check if the result will be `2016-01-28`
##########
File path: cpp/src/gandiva/precompiled/time_test.cc
##########
@@ -382,6 +386,29 @@ TEST(TestTime, TimeStampAdd) {
EXPECT_EQ(add_date64_int64(StringToTimestamp("2000-02-27 00:00:00"), 4),
StringToTimestamp("2000-03-02 00:00:00"));
+ EXPECT_EQ(add_timestamp_month_interval(StringToTimestamp("2000-02-27
00:00:00"), 4),
Review comment:
What happens if the user passes a negative number to this function? It
works or raise an error?
##########
File path: cpp/src/gandiva/precompiled/time_test.cc
##########
@@ -382,6 +386,29 @@ TEST(TestTime, TimeStampAdd) {
EXPECT_EQ(add_date64_int64(StringToTimestamp("2000-02-27 00:00:00"), 4),
StringToTimestamp("2000-03-02 00:00:00"));
+ EXPECT_EQ(add_timestamp_month_interval(StringToTimestamp("2000-02-27
00:00:00"), 4),
Review comment:
Another test case is using a huge number to add months, like the limit
of the integer
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