/*
 * 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.sysds.test.functions.binary.scalar;

import java.io.IOException;

import org.junit.Assert;
import org.junit.Test;
import org.apache.sysds.runtime.util.HDFSTool;
import org.apache.sysds.test.AutomatedTestBase;
import org.apache.sysds.test.TestConfiguration;

/**
 * The main purpose of this test is to verify all combinations of
 * `xor` operands.
 *
 */
public class XorTest extends AutomatedTestBase
{
	private final static String TEST_NAME1 = "XorTest";
	private final static String TEST_DIR = "functions/binary/scalar/";
	private static final String TEST_CLASS_DIR = TEST_DIR + XorTest.class.getSimpleName() + "/";

	@Override
	public void setUp() {
		addTestConfiguration( TEST_NAME1, new TestConfiguration(TEST_CLASS_DIR, TEST_NAME1, new String[] { "B" })   );
	}

	@Test
	public void testXor1() {
		runXor("TRUE", "FALSE", true);
	}
	
	@Test
	public void testXor2() {
		runXor("TRUE", "TRUE", false);
	}
	
	@Test
	public void testXor3() {
		runXor("FALSE", "FALSE", false);
	}
	
	@Test
	public void testXor4() {
		runXor("FALSE", "TRUE", true);
	}
	
	private void runXor( String op1, String op2, boolean trueCondition )
	{
		String TEST_NAME = TEST_NAME1;
		getAndLoadTestConfiguration(TEST_NAME);

		String HOME = SCRIPT_DIR + TEST_DIR;
		fullDMLScriptName = HOME + TEST_NAME + ".dml";
		programArgs = new String[]{"-args", op1, op2, output("B") };

		//run tests
		runTest(true, false, null, -1);

		//compare result
		try {
			boolean retCondition = HDFSTool.readBooleanFromHDFSFile(output("B"));
			Assert.assertEquals(trueCondition, retCondition);
		}
		catch (IOException e) {
			Assert.fail(e.getMessage());
		}
	}
}
