Add a couple of chaos testing resources.

test/resources-local-rough/c3p0.properties

@@ -34,6 +34,7 @@ c3p0.acquireIncrement=10
 #c3p0.acquireRetryDelay=1000
 #c3p0.acquireRetryAttempts=60
 #c3p0.connectionTesterClassName=com.mchange.v2.c3p0.test.AlwaysFailConnectionTester
+#c3p0.connectionTesterClassName=com.mchange.v2.c3p0.test.Percent80FailConnectionTester
 c3p0.connectionTesterClassName=com.mchange.v2.c3p0.test.Percent20FailConnectionTester
 c3p0.initialPoolSize=15
 c3p0.attemptResurrectOnCheckin=true

test/src/com/mchange/v2/c3p0/test/Percent80FailConnectionTester.java

@@ -0,0 +1,46 @@
+package com.mchange.v2.c3p0.test;
+
+import java.sql.Connection;
+import com.mchange.v2.c3p0.QueryConnectionTester;
+import com.mchange.v2.log.MLevel;
+import com.mchange.v2.log.MLog;
+import com.mchange.v2.log.MLogger;
+
+public final class Percent80FailConnectionTester implements QueryConnectionTester
+{
+    final static MLogger logger = MLog.getLogger( Percent80FailConnectionTester.class );
+
+    {
+	//logger.log(MLevel.WARNING,  "Instantiated: " + this, new Exception("Instantiation Stack Trace.") );
+    }
+
+    private int roulette()
+    {
+	if (Math.random() < 0.80d)
+	    return CONNECTION_IS_INVALID;
+	else
+	    return CONNECTION_IS_OKAY;
+    }
+
+    public int activeCheckConnection(Connection c)
+    {
+	//logger.warning(this + ": activeCheckConnection(Connection c)");
+	return roulette(); 
+    }
+
+    public int statusOnException(Connection c, Throwable t)
+    { 
+	//logger.warning(this + ": statusOnException(Connection c, Throwable t)");
+	return roulette(); 
+    }
+
+    public int activeCheckConnection(Connection c, String preferredTestQuery)
+    { 
+	//logger.warning(this + ": activeCheckConnection(Connection c, String preferredTestQuery)");
+	return roulette(); 
+    }
+
+    public boolean equals( Object o ) { return this.getClass().equals( o.getClass() ); }
+    public int hashCode() { return this.getClass().getName().hashCode(); }
+}
+