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https://issues.apache.org/jira/browse/LANG-1743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary D. Gregory resolved LANG-1743.
-----------------------------------
Fix Version/s: 3.19.0
Resolution: Fixed
I just tested this use case in git master, and the removeAll() APIs return null
on null input.
> when ArrayUtils.removeAll meeting 'null' array
> ----------------------------------------------
>
> Key: LANG-1743
> URL: https://issues.apache.org/jira/browse/LANG-1743
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.*
> Affects Versions: 3.14.0
> Environment: jdk18
> Reporter: Wang Hailong
> Priority: Major
> Fix For: 3.19.0
>
>
> it just throw java.lang.NullPointerException: Cannot invoke
> "Object.getClass()" because "array" is null, hope a more propel way to handle
> this situation, for example just return null, or raise the illeagleargument
> exception (the array must not be null)
> the test code is :
> {color:#bbb529}@Test
> {color}{color:#cc7832}public void
> {color}{color:#ffc66d}testRemoveAll_NullArray{color}() {
> {color:#808080}// Preparation of the test case
> {color}{color:#808080} {color}{color:#cc7832}char{color}[] array =
> {color:#cc7832}null;
> {color}{color:#cc7832}
> {color}{color:#cc7832} {color}{color:#808080}// Invocation of the API
> {color}{color:#808080} {color}{color:#cc7832}char{color}[] result =
> ArrayUtils.removeAll(array){color:#cc7832};
> {color}{color:#cc7832}
> {color}{color:#cc7832} {color}{color:#808080}// Final assertion
> {color}{color:#808080} {color}assertArrayEquals({color:#6a8759}"Removing
> elements from a null array should return null"{color}{color:#cc7832}, null,
> {color}result){color:#cc7832};
> {color}}
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