Remko Popma created LOG4J2-194:
----------------------------------

             Summary: broken JUnit test ThrowableFormatOptionsTest (breaks the 
build)
                 Key: LOG4J2-194
                 URL: https://issues.apache.org/jira/browse/LOG4J2-194
             Project: Log4j 2
          Issue Type: Bug
          Components: Core
            Reporter: Remko Popma


Failed tests:   
testSeparatorAsDefaultLineSeparator(org.apache.logging.log4j.core.impl.ThrowableFormatOptionsTest):
 getS](..)tor expected:<[

Tests run: 205, Failures: 1, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Apache Log4j 2 .................................... SUCCESS [12.843s]
[INFO] Apache Log4j API .................................. SUCCESS [22.624s]
[INFO] Apache Log4J Core ................................. FAILURE [3:11.442s]
[INFO] Apache Log4j 1.x Compatibility API ................ SKIPPED
[INFO] Apache Log4j SLF4J Binding ........................ SKIPPED
[INFO] Apache Log4j to SLF4J Adapter ..................... SKIPPED
[INFO] Apache Log4j Commons Logging Bridge ............... SKIPPED
[INFO] Apache Log4j Flume NG Bridge ...................... SKIPPED
[INFO] Log4j Web Adapters ................................ SKIPPED
[INFO] log4j-samples ..................................... SKIPPED
[INFO] flume-common ...................................... SKIPPED
[INFO] flume-remote ...................................... SKIPPED
[INFO] flume-embedded .................................... SKIPPED
[INFO] Apache Log4j Async ................................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3:47.940s
[INFO] Finished at: Wed Apr 03 09:47:44 JST 2013
[INFO] Final Memory: 12M/56M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-surefire-plugin:2.12.4:test (default-test) on 
project log4
j-core: There are test failures.


I ran the test in a debugger.
The expected value (Constants.LINE_SEP) is "\r\n" on my platform (Windows).
The actual value (throwableFormatOptions.getSeparator()) is "\n". (So the 
pattern "separator(\n)" is parsed correctly.)


The solution would be to either change the expected value to match the pattern 
or the other way around.
Current: ThrowableFormatOptionsTest.testSeparatorAsDefaultLineSeparator (line 
140)
  test(new String[]{"separator(\n)"}, Integer.MAX_VALUE, Constants.LINE_SEP, 
null);

Proposed:
  test(new String[]{"separator(\n)"}, Integer.MAX_VALUE, "\n", null);
or:
  String pattern = "separator(" + Constants.LINE_SEP + ")";
  test(new String[]{pattern}, Integer.MAX_VALUE, Constants.LINE_SEP, null);


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