[jira] Commented: (HARMONY-2470) [classlib][luni][test] Harmony unit test org.apache.harmony.luni.tests.java.lang.PackageTest.test#isCompatibleWithLjava_lang_String is incorect

["Mikhail Markov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-2470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468538 ] 

Mikhail Markov commented on HARMONY-2470:
-----------------------------------------

I've investigated the issue and found the following differences in RI/IBM VM/DRLVM behaviour:
1) isCompatibleWith(".2.1.9"):
    RI: java.lang.NumberFormatException: For input string: ""
    IBM VM: java.lang.NumberFormatException:
    DRLVM: no exceptions - silently ignore the leading dot
2) isCompatibleWith("2.1.9."):
    RI: java.lang.NumberFormatException: For input string: ""
    IBM VM and DRLVM: no exceptions - silently ignore the trailing dot


> [classlib][luni][test] Harmony unit test org.apache.harmony.luni.tests.java.lang.PackageTest.test#isCompatibleWithLjava_lang_String is incorect
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2470
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2470
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Artem Aliev
>         Assigned To: Alexey Varlamov
>
> According to J2SE API 5.0 specifications of java.lang.Package class:
> "Specification version numbers use a syntax that consists of positive decimal 
> integers separated by periods ".", for example "2.0" or "1.2.3.4.5.6.7". This 
> allows an extensible number to be used to represent major, minor, micro, etc. 
> versions. The version specification is described by the following formal 
> grammar: 
> SpecificationVersion: 
>     Digits RefinedVersionopt 
> RefinedVersion: 
>     . Digits 
>     . Digits RefinedVersion 
> Digits: 
>     Digit 
>     Digits 
> Digit: 
>     any character for which Character.isDigit(char) returns true, e.g. 0, 1, 
>     2, ... 
> "
> But the following Harmony unit test 
> org.apache.harmony.luni.tests.java.lang.PackageTest.test invokes
> Package.isCompatibleWith(String) with incorrect argument "2.1.9." to compare
> package's specification version with a desired version.
> See test case "test_isCompatibleWithLjava_lang_String".
> As the result this test case fails on RI and reports:
> test_isCompatibleWithLjava_lang_String(org.apache.harmony.luni.tests.java.lang.PackageTest)junit.framework.AssertionFailedError:
> Exception during isCompatibleWith test : For input string: ""
>         at
> org.apache.harmony.luni.tests.java.lang.PackageTest.test_isCompatibleWithLjava_lang_String(PackageTest.java:331)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

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