/**
* 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.hadoop.test;
import java.util.Iterator;
import org.junit.Assert;
/**
* A few more asserts
*/
public class MoreAsserts {
/**
* Assert equivalence for array and iterable
* @param <T> the type of the elements
* @param s the name/message for the collection
* @param expected the expected array of elements
* @param actual the actual iterable of elements
*/
public static <T> void assertEquals(String s, T[] expected,
Iterable<T> actual) {
Iterator<T> it = actual.iterator();
int i = 0;
for (; i < expected.length && it.hasNext(); ++i) {
Assert.assertEquals("Element "+ i +" for "+ s, expected[i], it.next());
}
Assert.assertTrue("Expected more elements", i == expected.length);
Assert.assertTrue("Expected less elements", !it.hasNext());
}
/**
* Assert equality for two iterables
* @param <T> the type of the elements
* @param s
* @param expected
* @param actual
*/
public static <T> void assertEquals(String s, Iterable<T> expected,
Iterable<T> actual) {
Iterator<T> ite = expected.iterator();
Iterator<T> ita = actual.iterator();
int i = 0;
while (ite.hasNext() && ita.hasNext()) {
Assert.assertEquals("Element "+ i +" for "+s, ite.next(), ita.next());
}
Assert.assertTrue("Expected more elements", !ite.hasNext());
Assert.assertTrue("Expected less elements", !ita.hasNext());
}
}