[jira] [Updated] (VALIDATOR-336) CUSIPCheckDigit Thinks Invalid CUSIP is Valid

["Josh Meyer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/VALIDATOR-336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Meyer updated VALIDATOR-336:
---------------------------------

    Attachment: CusipValidatorTest.java

Attaching tests.

> CUSIPCheckDigit Thinks Invalid CUSIP is Valid
> ---------------------------------------------
>
>                 Key: VALIDATOR-336
>                 URL: https://issues.apache.org/jira/browse/VALIDATOR-336
>             Project: Commons Validator
>          Issue Type: Bug
>            Reporter: Josh Meyer
>         Attachments: CusipValidatorTest.java
>
>
> When testing if a specific CUSIP is valid using org.apache.commons.validator.routines.checkdigit.CUSIPCheckDigit.CUSIP_CHECK_DIGIT.isValid, a call to this returns true when it should return false. A specific example is with the following invalid CUSIP: DUS0421CW.
> What seems to be happening is when toInt is called on W it turns it to an int value and then sends it to weightedValue. This is fine for the first 8 characters of a CUSIP, but not the check digit. The expected result should be to return false because the check digit is a letter (on a CUSIP a check digit must be 0-9). 
> With the current implementation, I believe each CUSIP can have up to 4 valid check digits.
> A test is attached.



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