alamb commented on code in PR #5811:
URL: https://github.com/apache/arrow-datafusion/pull/5811#discussion_r1163165327
##########
datafusion/common/src/scalar.rs:
##########
@@ -3664,6 +3746,100 @@ mod tests {
Ok(())
}
+ #[test]
+ fn scalar_sub_trait_int32_test() -> Result<()> {
+ let int_value = ScalarValue::Int32(Some(42));
+ let int_value_2 = ScalarValue::Int32(Some(100));
+ assert_eq!(int_value.sub(&int_value_2)?,
ScalarValue::Int32(Some(-58)));
+ assert_eq!(int_value_2.sub(int_value)?, ScalarValue::Int32(Some(58)));
+ Ok(())
+ }
+
+ #[test]
+ fn scalar_sub_trait_int32_overflow_test() -> Result<()> {
+ let int_value = ScalarValue::Int32(Some(i32::MAX));
+ let int_value_2 = ScalarValue::Int32(Some(i32::MIN));
+ assert!(matches!(
+ int_value.sub_checked(&int_value_2),
+ Err(DataFusionError::Execution(msg)) if msg == "Overflow while
calculating ScalarValue."
+ ));
+ Ok(())
+ }
+
+ #[test]
+ fn scalar_sub_trait_int64_test() -> Result<()> {
+ let int_value = ScalarValue::Int64(Some(42));
+ let int_value_2 = ScalarValue::Int64(Some(100));
+ assert_eq!(int_value.sub(&int_value_2)?,
ScalarValue::Int64(Some(-58)));
+ assert_eq!(int_value_2.sub(int_value)?, ScalarValue::Int64(Some(58)));
+ Ok(())
+ }
+
+ #[test]
+ fn scalar_sub_trait_int64_overflow_test() -> Result<()> {
+ let int_value = ScalarValue::Int64(Some(i64::MAX));
+ let int_value_2 = ScalarValue::Int64(Some(i64::MIN));
+ assert!(matches!(
+ int_value.sub_checked(&int_value_2),
+ Err(DataFusionError::Execution(msg)) if msg == "Overflow while
calculating ScalarValue."
+ ));
+ Ok(())
+ }
+
+ #[test]
+ fn scalar_add_overflow_test() -> Result<()> {
+ check_scalar_add_overflow::<Int8Type>(
+ ScalarValue::Int8(Some(i8::MAX)),
+ ScalarValue::Int8(Some(i8::MAX)),
+ );
+ check_scalar_add_overflow::<UInt8Type>(
+ ScalarValue::UInt8(Some(u8::MAX)),
+ ScalarValue::UInt8(Some(u8::MAX)),
+ );
+ check_scalar_add_overflow::<Int16Type>(
+ ScalarValue::Int16(Some(i16::MAX)),
+ ScalarValue::Int16(Some(i16::MAX)),
+ );
+ check_scalar_add_overflow::<UInt16Type>(
+ ScalarValue::UInt16(Some(u16::MAX)),
+ ScalarValue::UInt16(Some(u16::MAX)),
+ );
+ check_scalar_add_overflow::<Int32Type>(
+ ScalarValue::Int32(Some(i32::MAX)),
+ ScalarValue::Int32(Some(i32::MAX)),
+ );
+ check_scalar_add_overflow::<UInt32Type>(
+ ScalarValue::UInt32(Some(u32::MAX)),
+ ScalarValue::UInt32(Some(u32::MAX)),
+ );
+ check_scalar_add_overflow::<Int64Type>(
+ ScalarValue::Int64(Some(i64::MAX)),
+ ScalarValue::Int64(Some(i64::MAX)),
+ );
+ check_scalar_add_overflow::<UInt64Type>(
+ ScalarValue::UInt64(Some(u64::MAX)),
+ ScalarValue::UInt64(Some(u64::MAX)),
+ );
+
+ Ok(())
+ }
+
+ // Verifies that ScalarValue has the same behavior with compute kernal
when it overflows.
+ fn check_scalar_add_overflow<T>(left: ScalarValue, right: ScalarValue)
Review Comment:
Thank you for this test
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