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Arjuna-Java is the client implementation in Java for development of test automation using Arjuna. It uses TestNG as the test engine. With minor tweaks, it can be used with any other test engine or custom test automation implementations. Arjuna is a Python based test automation framework developed by Rahul Verma (www.rahulverma.net)
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/*******************************************************************************
 * Copyright 2015-18 Test Mile Software Testing Pvt Ltd
 * 
 * Website: www.TestMile.com
 * Email: support [at] testmile.com
 * 
 * Licensed 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 arjuna.lib.checks;

import java.util.Arrays;
import java.util.List;
import java.util.Map;

public class Checks {

	public static boolean isTrue(boolean bool) {
		if (bool == true) {
			return true;
		} else {
			return false;
		}
	}

	public static boolean isFalse(boolean bool) {
		if (bool == false) {
			return true;
		} else {
			return false;
		}
	}

	/*
	 * Assertions for Equality of Single Objects
	 */

	public static boolean isEqual(String actual, String expected) throws NullPointerException {
		return expected.equals(actual);
	}

	public static boolean isEqual(int actual, int expected) {
		return expected == actual;
	}

	public static boolean isEqual(long actual, long expected) {
		return expected == actual;
	}

	public double round2(double num) {
		double result = num * 100;
		result = Math.floor(result);
		result = result / 100;
		return result;
	}

	public static boolean isAlmostEqual(float actual, float expected, float delta) {
		Float diff = Math.abs(expected - actual);
		Float delta2 = Math.abs(delta);
		return diff <= delta2;
	}

	public static boolean isAlmostEqual(double actual, double expected, double delta) {
		Double diff = Math.abs(expected - actual);
		Double delta2 = Math.abs(delta);
		return diff <= delta2;
	}

	public static boolean isEqual(Object actual, Object expected) throws NullPointerException {
		return expected.equals(actual);
	}

	public static boolean isSame(Object actual, Object expected) throws NullPointerException {
		return expected == actual;
	}

	/*
	 * Assertions for In-Equality of Single Objects
	 */

	public static boolean isNotEqual(String actual, String expected) throws NullPointerException {
		return !(isEqual(actual, expected));
	}

	public static boolean isNotEqual(int actual, int expected) {
		return !(isEqual(actual, expected));
	}

	public static boolean isNotEqual(long actual, long expected) {
		return !(isEqual(actual, expected));
	}

	public static boolean isNotEqual(float actual, float expected, float delta) {
		return !(isAlmostEqual(actual, expected, delta));
	}

	public static boolean isNotEqual(double actual, double expected, double delta) {
		return !(isAlmostEqual(actual, expected, delta));
	}

	public static boolean isNotEqual(Object actual, Object expected) throws NullPointerException {
		return !(isEqual(actual, expected));
	}

	public static boolean isDifferent(Object actual, Object expected) throws NullPointerException {
		return !(isSame(actual, expected));
	}

	public static boolean isNotSame(Object actual, Object expected) throws NullPointerException {
		return !(isSame(actual, expected));
	}

	/*
	 * Array Assertions
	 */
	public static boolean isEqual(boolean[] actual, boolean[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(byte[] actual, byte[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(char[] actual, char[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(double[] actual, double[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(float[] actual, float[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(int[] actual, int[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(long[] actual, long[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(short[] actual, short[] expected) {
		return Arrays.equals(expected, actual);
	}

	public static boolean isEqual(Object[] actual, Object[] expected) {
		return Arrays.equals(expected, actual);
	}

	/*
	 * Null assertions
	 */

	public static boolean isNull(Object obj) {
		return obj == null;
	}

	public static boolean isNotNull(Object obj) {
		return !(isNull(obj));
	}

	/*
	 * Container Checks
	 */
	public static boolean contains(String parent, String child) throws NullPointerException {
		return parent.contains(child);
	}

	public static boolean contains(List parent, String child) throws NullPointerException {
		return parent.contains(child);
	}

	public static boolean contains(String[] parent, String child) throws NullPointerException {
		return Arrays.asList(parent).contains(child);
	}

	public static boolean contains(Map parent, String child) throws NullPointerException {
		return parent.keySet().contains(child);
	}

	public static boolean doesNotContain(String parent, String child) throws NullPointerException {
		return !contains(parent, child);
	}

	public static boolean doesNotContain(List parent, String child) throws NullPointerException {
		return !contains(parent, child);
	}

	public static boolean doesNotContain(String[] parent, String child) throws NullPointerException {
		return !contains(parent, child);
	}

	public static boolean doesNotContain(Map parent, String child) throws NullPointerException {
		return !contains(parent, child);
	}
}