Here you can find the source of assertEquals(Object expected, Object actual)
public static void assertEquals(Object expected, Object actual)
//package com.java2s; /**/*from w w w. ja v a2s . c o m*/ * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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. */ public class Main { public static void assertEquals(Object expected, Object actual) { if (!expected.equals(actual)) { throw new RuntimeException(String.format("Values didn't match, epected: %s actual: %s", expected.toString(), actual.toString())); } } }