testExcludes/Includes to compile test with different java version

[Julia Boes <ju...@oracle.com>]

Hi,

I have a question about testExcludes and testIncludes.

My project (a clone of the kryo repo) has 2 profiles, one for >= java 8 
(j8) and one for >= java 14 (j14). A test file t has to be compiled with 
java 14 --preview-enabled, so j8 compiles all test files except for t. 
j14 should only compile t. The aim is that when java 14 is available, 
all tests except for t are compiled without --preview-enabled and only t 
is compiled with --preview-enabled. However, when run with java 14, j14 
compiles t *and* recompiles all other tests.

I assume the testExcludes/testIncludes filters are not set correctly. 
Any idea how to fix this?

path of t: /test/com/esotericsoftware/kryo/serializers/java14ge/t.java

Thanks!

Julia

original pom: https://github.com/EsotericSoftware/kryo/blob/master/pom.xml

addition to original pom:

   <profiles>
         <profile>
             <id>java8ge</id>
             <activation>
                 <jdk>[1.8,)</jdk>
             </activation>
             <build>
                 <plugins>
                     <plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
                         <inherited>true</inherited>
                         <configuration>
                             <testExcludes>
<testExclude>**/java14ge/**</testExclude>
                             </testExcludes>
                         </configuration>
                     </plugin>
                 </plugins>
             </build>
         </profile>
         <profile>
             <id>java14ge</id>
             <activation>
                 <jdk>[14,)</jdk>
             </activation>
             <build>
                 <plugins>
                     <plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
                         <inherited>true</inherited>
                         <executions>
                             <execution>
<id>jdk14ge-testCompile</id>
<phase>test-compile</phase>
                                 <goals>
<goal>testCompile</goal>
                                 </goals>
                                 <configuration>
<release>${java.vm.specification.version}</release>
                                     <compilerArgs>
<arg>--enable-preview</arg>
                                     </compilerArgs>
                                     <testIncludes>
<testInclude>**/java14ge/**</testInclude>
                                     </testIncludes>
                                     <testExcludes>-->
<testExclude>com/**</testExclude>
                                     </testExcludes>-->
                                 </configuration>
                             </execution>
                         </executions>
                     </plugin>
                 </plugins>

             </build>
         </profile>
     </profiles>


$mvn clean test-compile

...

[INFO] --- maven-compiler-plugin:3.8.1:testCompile (default-testCompile) 
@ kryo ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 41 source files to 
/Users/jboes/IdeaProjects/kryo-mirror/target/test-classes
[INFO] 
/Users/jboes/IdeaProjects/kryo-mirror/test/com/esotericsoftware/kryo/KryoTestCase.java: 
Some input files use unchecked or unsafe operations.
[INFO] 
/Users/jboes/IdeaProjects/kryo-mirror/test/com/esotericsoftware/kryo/KryoTestCase.java: 
Recompile with -Xlint:unchecked for details.
[INFO]
[INFO] --- maven-compiler-plugin:3.8.1:testCompile (jdk14ge-testCompile) 
@ kryo ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 42 source files to 
/Users/jboes/IdeaProjects/kryo-mirror/target/test-classes
[INFO] 
/Users/jboes/IdeaProjects/kryo-mirror/test/com/esotericsoftware/kryo/KryoTestCase.java: 
Some input files use unchecked or unsafe operations.
[INFO] 
/Users/jboes/IdeaProjects/kryo-mirror/test/com/esotericsoftware/kryo/KryoTestCase.java: 
Recompile with -Xlint:unchecked for details.
[INFO] 
/Users/jboes/IdeaProjects/kryo-mirror/test/com/esotericsoftware/kryo/serializers/java14ge/RecordSerializerTest.java: 
/Users/jboes/IdeaProjects/kryo-mirror/test/com/esotericsoftware/kryo/serializers/java14ge/RecordSerializerTest.java 
uses preview language features.
[INFO] 
/Users/jboes/IdeaProjects/kryo-mirror/test/com/esotericsoftware/kryo/serializers/java14ge/RecordSerializerTest.java: 
Recompile with -Xlint:preview for details.
[INFO]

...


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