/*
* 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.
*/
/**
* @author Vera Y. Petrashkova
* @version $Revision$
*/
package org.apache.harmony.security.tests.java.security;
import java.security.AlgorithmParameterGenerator;
import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Provider;
import java.security.SecureRandom;
import java.security.Security;
import java.security.spec.AlgorithmParameterSpec;
import org.apache.harmony.security.tests.support.SpiEngUtils;
import junit.framework.TestCase;
/**
* Tests for <code>AlgorithmParameterGenerator</code> class constructors and
* methods.
*/
public class AlgorithmParameterGenerator2Test extends TestCase {
private static final String AlgorithmParameterGeneratorProviderClass = "org.apache.harmony.security.tests.support.MyAlgorithmParameterGeneratorSpi";
private static final String defaultAlg = "APG";
private static final String[] invalidValues = SpiEngUtils.invalidValues;
private static final String[] validValues;
static {
validValues = new String[4];
validValues[0] = defaultAlg;
validValues[1] = defaultAlg.toLowerCase();
validValues[2] = "apG";
validValues[3] = "ApG";
}
Provider mProv;
protected void setUp() throws Exception {
super.setUp();
mProv = (new SpiEngUtils()).new MyProvider("MyAPGProvider", "Testing provider",
AlgorithmParameterGenerator1Test.srvAlgorithmParameterGenerator.concat(".").concat(defaultAlg),
AlgorithmParameterGeneratorProviderClass);
Security.insertProviderAt(mProv, 1);
}
/*
* @see TestCase#tearDown()
*/
protected void tearDown() throws Exception {
super.tearDown();
Security.removeProvider(mProv.getName());
}
private void checkResult(AlgorithmParameterGenerator algParGen)
throws InvalidAlgorithmParameterException {
AlgorithmParameters param = algParGen.generateParameters();
assertNull("Not null parameters", param);
AlgorithmParameterSpec pp = null;
algParGen.init(pp, new SecureRandom());
algParGen.init(pp);
try {
algParGen.init(pp, null);
fail("IllegalArgumentException must be thrown");
} catch (IllegalArgumentException e) {
}
pp = new tmpAlgorithmParameterSpec("Proba");
algParGen.init(pp, new SecureRandom());
algParGen.init(pp);
algParGen.init(0, null);
algParGen.init(0, new SecureRandom());
try {
algParGen.init(-10, null);
fail("IllegalArgumentException must be thrown");
} catch (IllegalArgumentException e) {
}
try {
algParGen.init(-10, new SecureRandom());
fail("IllegalArgumentException must be thrown");
} catch (IllegalArgumentException e) {
}
}
/**
* Test for <code>getInstance(String algorithm)</code> method
* Assertions:
* throws NullPointerException must be thrown is null
* throws NoSuchAlgorithmException must be thrown if algorithm is not available
* returns AlgorithmParameterGenerator object
*/
public void testGetInstance01() throws NoSuchAlgorithmException,
InvalidAlgorithmParameterException {
try {
AlgorithmParameterGenerator.getInstance(null);
fail("NullPointerException or NoSuchAlgorithmException should be thrown");
} catch (NullPointerException e) {
} catch (NoSuchAlgorithmException e) {
}
for (int i = 0; i < invalidValues.length; i++) {
try {
AlgorithmParameterGenerator.getInstance(invalidValues[i]);
fail("NoSuchAlgorithmException must be thrown (algorithm: "
.concat(invalidValues[i]).concat(")"));
} catch (NoSuchAlgorithmException e) {
}
}
AlgorithmParameterGenerator apG;
for (int i = 0; i < validValues.length; i++) {
apG = AlgorithmParameterGenerator.getInstance(validValues[i]);
assertEquals("Incorrect algorithm", apG.getAlgorithm(),
validValues[i]);
assertEquals("Incorrect provider", apG.getProvider(), mProv);
checkResult(apG);
}
}
/**
* Test for <code>getInstance(String algorithm, String provider)</code>
* method
* Assertions:
* throws NullPointerException must be thrown is null
* throws NoSuchAlgorithmException must be thrown if algorithm is not available
* throws IllegalArgumentException when provider is null;
* throws NoSuchProviderException when provider is available;
* returns AlgorithmParameterGenerator object
*/
public void testGetInstance02() throws NoSuchAlgorithmException,
NoSuchProviderException, IllegalArgumentException,
InvalidAlgorithmParameterException {
try {
AlgorithmParameterGenerator.getInstance(null, mProv.getName());
fail("NullPointerException or NoSuchAlgorithmException should be thrown");
} catch (NullPointerException e) {
} catch (NoSuchAlgorithmException e) {
}
for (int i = 0; i < invalidValues.length; i++) {
try {
AlgorithmParameterGenerator.getInstance(invalidValues[i], mProv
.getName());
fail("NoSuchAlgorithmException must be thrown (algorithm: "
.concat(invalidValues[i]).concat(")"));
} catch (NoSuchAlgorithmException e) {
}
}
String prov = null;
for (int i = 0; i < validValues.length; i++) {
try {
AlgorithmParameterGenerator.getInstance(validValues[i], prov);
fail("IllegalArgumentException must be thrown when provider is null (algorithm: "
.concat(invalidValues[i]).concat(")"));
} catch (IllegalArgumentException e) {
}
}
for (int i = 0; i < validValues.length; i++) {
for (int j = 1; j < invalidValues.length; j++) {
try {
AlgorithmParameterGenerator.getInstance(validValues[i],
invalidValues[j]);
fail("NoSuchProviderException must be thrown (algorithm: "
.concat(invalidValues[i]).concat(" provider: ")
.concat(invalidValues[j]).concat(")"));
} catch (NoSuchProviderException e) {
}
}
}
AlgorithmParameterGenerator apG;
for (int i = 0; i < validValues.length; i++) {
apG = AlgorithmParameterGenerator.getInstance(validValues[i], mProv
.getName());
assertEquals("Incorrect algorithm", apG.getAlgorithm(),
validValues[i]);
assertEquals("Incorrect provider", apG.getProvider().getName(),
mProv.getName());
checkResult(apG);
}
}
/**
* Test for <code>getInstance(String algorithm, Provider provider)</code>
* method
* Assertions:
* throws NullPointerException must be thrown is null
* throws NoSuchAlgorithmException must be thrown if algorithm is not available
* throws IllegalArgumentException when provider is null;
* returns AlgorithmParameterGenerator object
*/
public void testGetInstance03() throws NoSuchAlgorithmException,
IllegalArgumentException,
InvalidAlgorithmParameterException {
try {
AlgorithmParameterGenerator.getInstance(null, mProv);
fail("NullPointerException or NoSuchAlgorithmException should be thrown");
} catch (NullPointerException e) {
} catch (NoSuchAlgorithmException e) {
}
for (int i = 0; i < invalidValues.length; i++) {
try {
AlgorithmParameterGenerator.getInstance(invalidValues[i], mProv);
fail("NoSuchAlgorithmException must be thrown (algorithm: "
.concat(invalidValues[i]).concat(")"));
} catch (NoSuchAlgorithmException e) {
}
}
Provider prov = null;
for (int i = 0; i < validValues.length; i++) {
try {
AlgorithmParameterGenerator.getInstance(validValues[i], prov);
fail("IllegalArgumentException must be thrown when provider is null (algorithm: "
.concat(invalidValues[i]).concat(")"));
} catch (IllegalArgumentException e) {
}
}
AlgorithmParameterGenerator apG;
for (int i = 0; i < validValues.length; i++) {
apG = AlgorithmParameterGenerator.getInstance(validValues[i], mProv);
assertEquals("Incorrect algorithm", apG.getAlgorithm(),
validValues[i]);
assertEquals("Incorrect provider", apG.getProvider(), mProv);
checkResult(apG);
}
}
/**
* Additional class for init(...) methods verification
*/
class tmpAlgorithmParameterSpec implements AlgorithmParameterSpec {
private final String type;
public tmpAlgorithmParameterSpec(String type) {
this.type = type;
}
public String getType() {
return type;
}
}
}