RFR: 8153490: Cannot setBytes() if incoming buffer's length is bigger than number of elements we want to insert. [v5]

Lance Andersen lancea at openjdk.java.net
Fri Oct 15 20:14:56 UTC 2021


On Fri, 15 Oct 2021 09:30:18 GMT, Mitsuru Kariya <duke at openjdk.java.net> wrote:

>> Fix `SerialBlob.setBytes(long pos, byte[] bytes, int offset, int length)` in the following cases:
>> 
>> 1. `pos - 1 + bytes.length - offset > this.length() && pos - 1 + length <= this.length()`
>>    The original implementation throws `ArrayIndexOutOfBoundsException` but this case should end successfully.
>>    (test31)
>> 
>> 2. `pos - 1 + length > this.length()`
>>    The original implementation throws `ArrayIndexOutOfBoundsException` but this case should end successfully. *1
>>    (test32)
>> 
>> 3. `pos == this.length() + 1`
>>    The original implementation throws `SerialException` but this case should end successfully. *2
>>    (test33)
>> 
>> 4. `length < 0`
>>    The original implementation throws `ArrayIndexOutOfBoundsException` but this case should throw `SerialException`.
>>    (test34)
>> 
>> 5. `offset + length > Integer.MAX_VALUE`
>>    The original implementation throws `ArrayIndexOutOfBoundsException` (or `OutOfMemoryError` in most cases) but this case should throw `SerialException`.
>>    (test35)
>> 
>> Additionally, fix `SerialClob.setString(long pos, String str, int offset, int length)` in the following cases:
>> 
>> 1. `offset > str.length()`
>>    The original implementaion throws `StringIndexOutOfBoundsException` but this case should throw `SerialException`.
>>    (test39)
>> 
>> 2. `pos - 1 + str.length() - offset > this.length() && pos - 1 + length <= this.length()`
>>    The original implementation throws `ArrayIndexOutOfBoundsException` but this case should end successfully.
>>    (test32)
>> 
>> 3. `pos - 1 + length > this.length()`
>>    The original implementaion throws `SerialException` but this case should end successfully. *3
>>    (test40)
>> 
>> 4. `pos == this.length() + 1`
>>    The original implementaion throws `SerialException` but this case should end successfully. *4
>>    (test41)
>> 
>> 5. `length < 0`
>>    The original implementation throws `StringIndexOutOfBoundsException` but this case should throw `SerialException`.
>>    (test42)
>> 
>> 6. `offset + length > Integer.MAX_VALUE`
>>    The original implementation throws `ArrayIndexOutOfBoundsException` (or `OutOfMemoryError` in most cases) but this case should throw `SerialException`.
>>    (test43)
>> 
>> 
>> The javadoc has also been modified according to the above.
>> 
>> *1 The documentation of `Blob.setBytes()` says, "If the end of the Blob value is reached while writing the array of bytes, then the length of the Blob value will be increased to accommodate the extra bytes."
>> 
>> *2 The documentation of `Blob.setBytes()` says, "If the value specified for pos is greater than the length+1 of the BLOB value then the behavior is undefined."
>>    So, it should work correctly when pos == length+1 of the BLOB value.
>> 
>> *3 The documentation of `Clob.setString()` says, "If the end of the Clob value is eached while writing the given string, then the length of the Clob value will be increased to accommodate the extra characters."
>> 
>> *4 The documentation of `Clob.setString()` says, "If the value specified for pos is greater than the length+1 of the CLOB value then the behavior is undefined."
>>    So, it should work correctly when pos == length+1 of the CLOB value.
>
> Mitsuru Kariya has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Follow the comment

Marked as reviewed by lancea (Reviewer).

-------------

PR: https://git.openjdk.java.net/jdk/pull/4001


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