/**
 * Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
 */
package org.evosuite.utils;

import java.util.Scanner;

import org.evosuite.runtime.RuntimeSettings;
import org.evosuite.runtime.util.SystemInUtil;
import org.junit.Assert;
import org.junit.After;
import org.junit.Test;

public class SystemInUtilTest {

	@After
	public void tearDown(){
		SystemInUtil.resetSingleton();
	}
	
	@Test(timeout=3000)
	public void testDoubleExecution(){
		
		RuntimeSettings.mockSystemIn = true;
		
		String data = "Hello World!";
		SystemInUtil.getInstance().initForTestCase(); 
		SystemInUtil.addInputLine(data);
		Scanner scanner = new Scanner(System.in);
		String first = scanner.nextLine();
		scanner.close();
		Assert.assertEquals(data, first);
		
		//now add the same again
		SystemInUtil.addInputLine(data);
		scanner = new Scanner(System.in);
		String second = scanner.nextLine();
		scanner.close();
		Assert.assertEquals(data, second);
	}

}