pitrou commented on code in PR #36018:
URL: https://github.com/apache/arrow/pull/36018#discussion_r1259908221


##########
cpp/src/arrow/array/data.cc:
##########
@@ -130,7 +130,8 @@ std::shared_ptr<ArrayData> 
ArrayData::Make(std::shared_ptr<DataType> type, int64
 }
 
 std::shared_ptr<ArrayData> ArrayData::Slice(int64_t off, int64_t len) const {
-  ARROW_CHECK_LE(off, length) << "Slice offset greater than array length";
+  ARROW_CHECK_LE(off, length) << "Slice offset (" << off
+                              << ") greater than array length (" << length << 
")";

Review Comment:
   We could actually add a test for that, IMHO.



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