[SUREFIRE-580] more sanity check

Project: http://git-wip-us.apache.org/repos/asf/maven-surefire/repo
Commit: http://git-wip-us.apache.org/repos/asf/maven-surefire/commit/1b7fe2d4
Tree: http://git-wip-us.apache.org/repos/asf/maven-surefire/tree/1b7fe2d4
Diff: http://git-wip-us.apache.org/repos/asf/maven-surefire/diff/1b7fe2d4

Branch: refs/heads/master
Commit: 1b7fe2d44e618cd7419755c74d75a484e49d761d
Parents: deb3214
Author: Tibor17 <tibo...@lycos.com>
Authored: Sat Sep 5 00:16:37 2015 +0200
Committer: Tibor17 <tibo...@lycos.com>
Committed: Sun Sep 6 22:58:02 2015 +0200

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 .../org/apache/maven/plugin/surefire/AbstractSurefireMojo.java   | 4 ++++
 1 file changed, 4 insertions(+)
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http://git-wip-us.apache.org/repos/asf/maven-surefire/blob/1b7fe2d4/maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java
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diff --git 
a/maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java
 
b/maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java
index e8f1f75..ff2e51e 100644
--- 
a/maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java
+++ 
b/maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java
@@ -2352,6 +2352,10 @@ public abstract class AbstractSurefireMojo
     private void warnIfRerunClashes()
         throws MojoFailureException
     {
+        if ( getSkipAfterFailureCount() < 0 )
+        {
+            throw new MojoFailureException( "Parameter rerunFailingTestsCount 
should not be negative." );
+        }
         boolean isRerun = getRerunFailingTestsCount() > 0;
         boolean isFailFast = getSkipAfterFailureCount() > 0;
         if ( isRerun && isFailFast )

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