/*
* 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 org.apache.sshd.common.kex;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.EnumSet;
import org.apache.sshd.common.kex.KexProposalOption.Constants;
import org.apache.sshd.common.util.GenericUtils;
import org.apache.sshd.util.test.BaseTestSupport;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class KexProposalOptionTest extends BaseTestSupport {
public KexProposalOptionTest() {
super();
}
@Test
public void testFromName() {
for (String n : new String[]{null, "", getCurrentTestName()}) {
KexProposalOption o = KexProposalOption.fromName(n);
assertNull("Unexpected value for name='" + n + "'", o);
}
for (KexProposalOption expected : KexProposalOption.VALUES) {
String n = expected.name();
for (int index = 0; index < n.length(); index++) {
KexProposalOption actual = KexProposalOption.fromName(n);
assertSame("Mismatched option for name=" + n, expected, actual);
n = shuffleCase(n); // prepare for next iteration
}
}
}
@Test
public void testFromProposalIndex() {
for (int index : new int[]{-1, KexProposalOption.VALUES.size()}) {
KexProposalOption o = KexProposalOption.fromProposalIndex(index);
assertNull("Unexpected value for index=" + index, o);
}
for (KexProposalOption expected : KexProposalOption.VALUES) {
int index = expected.getProposalIndex();
KexProposalOption actual = KexProposalOption.fromProposalIndex(index);
assertSame("Mismatched values for index=" + index, expected, actual);
}
}
@Test
public void testByProposalIndexSortOrder() {
for (int index = 0; index < KexProposalOption.VALUES.size(); index++) {
if (index < 1) {
continue;
}
KexProposalOption o1 = KexProposalOption.VALUES.get(index - 1);
KexProposalOption o2 = KexProposalOption.VALUES.get(index);
int i1 = o1.getProposalIndex();
int i2 = o2.getProposalIndex();
assertTrue("Non increasing index for " + o1 + "[" + i1 + "] vs. " + o2 + "[" + i2 + "]", i1 < i2);
}
}
@Test
public void testAllConstantsCovered() throws Exception {
Field[] fields = Constants.class.getFields();
Collection<KexProposalOption> options = EnumSet.allOf(KexProposalOption.class);
for (Field f : fields) {
int mods = f.getModifiers();
if (!Modifier.isStatic(mods)) {
continue;
}
Class<?> type = f.getType();
if (!Integer.TYPE.isAssignableFrom(type)) {
continue;
}
int index = f.getInt(null);
KexProposalOption o = KexProposalOption.fromProposalIndex(index);
assertNotNull("No matching option for index=" + index, o);
assertTrue("Option not in known options: " + o, options.remove(o));
}
assertTrue("Not all options covered: " + options, GenericUtils.isEmpty(options));
}
}