[jira] [Created] (MNG-6349) Incorrect incremental test compilation

["Chenguang Zhu (JIRA)" <ji...@apache.org>]

Chenguang Zhu created MNG-6349:
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             Summary: Incorrect incremental test compilation
                 Key: MNG-6349
                 URL: https://issues.apache.org/jira/browse/MNG-6349
             Project: Maven
          Issue Type: Bug
          Components: core
    Affects Versions: 3.5.2, 3.5.0
         Environment: Ubuntu 16.04, Ubuntu 17.10
            Reporter: Chenguang Zhu
         Attachments: maven_bug_incremental_compile.zip

Summary: Consder the following simple project. There are three
classes, A, C (which extends A), and T (which is a test class). Class
A has method m(int), class C has method m(long), and test invokes m
with int value. If we run 'mvn test' the test passes. If we then
remove "extends A" from C and run 'mvn test' again, the run fails with
'NoSuchMethodError'. We noticed in the output that the test class was
not recompiled (which should likely have been done).

Steps to Reproduce: Run the bash script ./s provided in this
directory. The script (1) runs mvn test, (2) removes 'extends A' from
class C, and (3) runs mvn test again.

Expected Results: p.CTest fails in the second execution. Failed tests:
test(p.CTest): expected:<0> but was:<1>.

Actual Results: p.CTest has an error in the second execution.
java.lang.NoSuchMethodError: p.C.m(I)I.



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