/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.jini.test.spec.locatordiscovery;
import java.util.logging.Level;
import com.sun.jini.qa.harness.QAConfig;
import com.sun.jini.qa.harness.TestException;
import com.sun.jini.test.share.LocatorsUtil;
import net.jini.discovery.LookupLocatorDiscovery;
import net.jini.core.discovery.LookupLocator;
/**
* This class verifies that the <code>LookupLocatorDiscovery</code>
* utility operates in a manner consistent with the specification.
* In particular, this class verifies that when the parameter input to
* the <code>addLocators</code> method contains at least one <code>null</code>
* element, a <code>NullPointerException</code> is thrown.
*
* The environment in which this class expects to operate is as follows:
* <p><ul>
* <li> zero lookup services
* <li> an instance of the lookup locator discovery utility that is
* constructed using an array of locators consistent with the
* the test's configuration
* </ul><p>
*
* If the lookup locator discovery utility functions as specified,
* then when the <code>addLocators</code> method is invoked with a
* set of locators in which at least one element is <code>null</code>,
* a <code>NullPointerException</code> will occur.
*
*/
public class AddLocatorsNullElement extends ConstructorNullElement {
protected LookupLocator[] configLocs = new LookupLocator[0];
/** Performs actions necessary to prepare for execution of the
* current test (refer to the description of this method in the
* parent class).
*/
public void setup(QAConfig sysConfig) throws Exception {
delayLookupStart = true;//don't start lookups, just want config info
super.setup(sysConfig);
configLocs = toLocatorArray(initLookupsToStart);
lld = new LookupLocatorDiscovery(configLocs, sysConfig.getConfiguration());
locatorDiscoveryList.add(lld);
}//end setup
/** Executes the current test by doing the following:
* <p><ul>
* <li> first verifies that the lookup locator discovery utility is
* currently configured to discover a non-null, non-empty set
* of locators
* <li> invokes addLocators with a set of locators in which at least
* one element is null
* <li> verifies that a NullPointerException is thrown upon the
* invocation of addLocators
* </ul>
*/
public void run() throws Exception {
logger.log(Level.FINE, "run()");
/* First verify lld is initially configured with the expected locs */
LookupLocator[] lldLocs = lld.getLocators();
if (!LocatorsUtil.compareLocatorSets(lldLocs, configLocs,Level.FINE)) {
throw new TestException("Locator set are not equivalent");
}
/* Try to add array of locators in which at least 1 element is null */
try {
lld.addLocators(nullLocs);
String errStr = new String("no NullPointerException");
logger.log(Level.FINE, errStr);
throw new TestException(errStr);
} catch(NullPointerException e) {
logger.log(Level.FINE,
"NullPointerException on locator addition as expected");
}
}//end run
}//end class AddLocatorsNullElement