/*
* 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.harmony.security.tests.java.security;
import java.math.BigInteger;
import java.security.AlgorithmParameterGenerator;
import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchProviderException;
import java.security.Provider;
import java.security.SecureRandom;
import java.security.Security;
import java.security.spec.DSAParameterSpec;
public class AlgorithmParameterGenerator3Test extends junit.framework.TestCase {
/**
* @tests java.security.AlgorithmParameterGenerator#generateParameters()
*/
public void test_generateParameters() throws Exception {
//fail("Takes ages. Problem with SecureRandom and stub math ?");
// Test for method java.security.AlgorithmParameters
// java.security.AlgorithmParameterGenerator.generateParameters()
AlgorithmParameterGenerator gen = AlgorithmParameterGenerator
.getInstance("DSA");
gen.init(1024);
// WARNING - The next line can take MINUTES to run
AlgorithmParameters params = gen.generateParameters();
assertNotNull("params is null", params);
}
/**
* @tests java.security.AlgorithmParameterGenerator#getAlgorithm()
*/
public void test_getAlgorithm() throws Exception {
// Test for method java.lang.String
// java.security.AlgorithmParameterGenerator.getAlgorithm()
String alg = AlgorithmParameterGenerator.getInstance("DSA")
.getAlgorithm();
assertEquals("getAlgorithm ok", "DSA", alg);
}
/**
* @tests java.security.AlgorithmParameterGenerator#getInstance(java.lang.String)
*/
public void test_getInstanceLjava_lang_String() throws Exception {
// Test for method java.security.AlgorithmParameterGenerator
// java.security.AlgorithmParameterGenerator.getInstance(java.lang.String)
AlgorithmParameterGenerator.getInstance("DSA");
}
/**
* @tests java.security.AlgorithmParameterGenerator#getInstance(java.lang.String,
* java.lang.String)
*/
public void test_getInstanceLjava_lang_StringLjava_lang_String() throws Exception {
// Test for method java.security.AlgorithmParameterGenerator
// java.security.AlgorithmParameterGenerator.getInstance(java.lang.String,
// java.lang.String)
// Opting for DSA here as it is pretty widely supported
Provider[] provs = Security
.getProviders("AlgorithmParameterGenerator.DSA");
for (int i = 0; i < provs.length; i++) {
AlgorithmParameterGenerator.getInstance("DSA", provs[i].getName());
}// end for
// exception case - should throw IllegalArgumentException for null
// provider
try {
AlgorithmParameterGenerator.getInstance("DSA", (String) null);
fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException e) {
// Expected
}
// exception case - should throw IllegalArgumentException for empty
// provider
try {
AlgorithmParameterGenerator.getInstance("DSA", "");
fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException e) {
// Expected
}
// exception case - should throw NoSuchProviderException
try {
AlgorithmParameterGenerator.getInstance("DSA", "IDontExist");
fail("Should have thrown NoSuchProviderException");
} catch (NoSuchProviderException e) {
// Expected
}
}
/**
* @tests java.security.AlgorithmParameterGenerator#getProvider()
*/
public void test_getProvider() throws Exception {
// Test for method java.security.Provider
// java.security.AlgorithmParameterGenerator.getProvider()
// checks that no exception is thrown
Provider p = AlgorithmParameterGenerator.getInstance("DSA")
.getProvider();
assertNotNull("provider is null", p);
}
/**
* @tests java.security.AlgorithmParameterGenerator#init(int)
*/
public void test_initI() throws Exception {
// Test for method void
// java.security.AlgorithmParameterGenerator.init(int)
// checks that no exception is thrown
AlgorithmParameterGenerator gen = AlgorithmParameterGenerator
.getInstance("DSA");
gen.init(1024);
}
/**
* @tests java.security.AlgorithmParameterGenerator#init(int,
* java.security.SecureRandom)
*/
public void test_initILjava_security_SecureRandom() throws Exception {
// Test for method void
// java.security.AlgorithmParameterGenerator.init(int,
// java.security.SecureRandom)
// checks that no exception is thrown
AlgorithmParameterGenerator gen = AlgorithmParameterGenerator
.getInstance("DSA");
gen.init(1024, new SecureRandom());
}
/**
* @tests java.security.AlgorithmParameterGenerator#init(java.security.spec.AlgorithmParameterSpec)
*/
public void test_initLjava_security_spec_AlgorithmParameterSpec() throws Exception {
// Test for method void
// java.security.AlgorithmParameterGenerator.init(java.security.spec.AlgorithmParameterSpec)
// checks that InvalidAlgorithmParameterException is thrown
DSAParameterSpec spec = new DSAParameterSpec(BigInteger.ONE,
BigInteger.ONE, BigInteger.ONE);
AlgorithmParameterGenerator gen = AlgorithmParameterGenerator
.getInstance("DSA");
try {
gen.init(spec);
fail("No expected InvalidAlgorithmParameterException");
} catch (InvalidAlgorithmParameterException e) {
//expected
}
}
/**
* @tests java.security.AlgorithmParameterGenerator#init(java.security.spec.AlgorithmParameterSpec,
* java.security.SecureRandom)
*/
public void test_initLjava_security_spec_AlgorithmParameterSpecLjava_security_SecureRandom() throws Exception {
// Test for method void
// java.security.AlgorithmParameterGenerator.init(java.security.spec.AlgorithmParameterSpec,
// java.security.SecureRandom)
// checks that InvalidAlgorithmParameterException is thrown
DSAParameterSpec spec = new DSAParameterSpec(BigInteger.ONE,
BigInteger.ONE, BigInteger.ONE);
AlgorithmParameterGenerator gen = AlgorithmParameterGenerator
.getInstance("DSA");
try {
gen.init(spec, new SecureRandom());
fail("No expected InvalidAlgorithmParameterException");
} catch (InvalidAlgorithmParameterException e) {
//expected
}
}
}