/** 
 * On Mac/Linux:
 *  javac -cp .:junit-cs211.jar *.java         # compile everything
 *  java -cp .:junit-cs211.jar E3tester        # run tests
 * 
 * On windows replace colons with semicolons: (: with ;)
 *  javac -cp .;junit-cs211.jar *.java         # compile everything
 *  java -cp .;junit-cs211.jar E3tester        # run tests
 */
import org.junit.*;
import static org.junit.Assert.*;
import java.util.*;
  
public class E3tester {
  public static void main(String args[]){
    org.junit.runner.JUnitCore.main("E3tester");
  }
  
  @Test public void stopwatch_01() {
		Stopwatch sw = new Stopwatch();
		try { Thread.sleep(500); } catch(Exception e) {}
		double dt = sw.check();
		assertEquals( 0.5, dt, 0.1 ); 
	}
  @Test public void stopwatch_02() {
		Stopwatch sw = new Stopwatch();
		try { Thread.sleep(1000); } catch(Exception e) {}
		double dt = sw.check();
		assertEquals( 1.0, dt, 0.1 ); 
	}
  @Test public void stopwatch_03() {
		Stopwatch sw = new Stopwatch();
		try { Thread.sleep(1500); } catch(Exception e) {}
		double dt = sw.check();
		assertEquals( 1.5, dt, 0.1 ); 
	}
  @Test public void stopwatch_04() {
		Stopwatch sw = new Stopwatch();
		try { Thread.sleep(2000); } catch(Exception e) {}
		double dt = sw.check();
		assertEquals( 2.0, dt, 0.1 ); 
	}
  @Test public void stopwatch_05() {
		Stopwatch sw = new Stopwatch();
		try { Thread.sleep(1000); } catch(Exception e) {}
		sw.reset();
		try { Thread.sleep(1000); } catch(Exception e) {}
		double dt = sw.check();
		assertEquals( 1.0, dt, 0.1 ); 
	}

  @Test public void accumulator_01() {
		Accumulator acc = new Accumulator();
		assertEquals( 0.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_02() {
		Accumulator acc = new Accumulator();
		acc.add(1.0); 
		assertEquals( 1.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_03() {
		Accumulator acc = new Accumulator();
		acc.add(1.0); acc.add(1.0); 
		assertEquals( 2.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_04() {
		Accumulator acc = new Accumulator();
		acc.add(1.0); acc.add(1.0); acc.add(2.0); 
		assertEquals( 4.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_05() {
		Accumulator acc = new Accumulator();
		acc.add(1.0); acc.add(1.0); acc.add(2.0); acc.add(3.5); 
		assertEquals( 7.5, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_06() {
		Accumulator acc = new Accumulator();
		acc.add(1.0); acc.add(1.0); acc.add(2.0); acc.add(3.5); acc.add(-1.0); 
		assertEquals( 6.5, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_07() {
		Accumulator acc = new Accumulator();
		acc.add(1.0); acc.add(1.0); acc.reset(); acc.add(1.0); acc.add(1.0);  
		assertEquals( 2.0, acc.getTotal(), 0.0001 ); 
	}

  @Test public void accumulator_readNumbers_00() {
		Accumulator acc = new Accumulator();
		acc.readNumbers("");
		assertEquals( 0.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_readNumbers_01() {
		Accumulator acc = new Accumulator();
		acc.readNumbers("1.0");
		assertEquals( 1.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_readNumbers_02() {
		Accumulator acc = new Accumulator();
		acc.readNumbers("1.0  2.0");
		assertEquals( 3.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_readNumbers_03() {
		Accumulator acc = new Accumulator();
		acc.readNumbers("1.0  2.0 xyz");
		assertEquals( 3.0, acc.getTotal(), 0.0001 ); 
	}
  @Test public void accumulator_readNumbers_04() {
		Accumulator acc = new Accumulator();
		acc.readNumbers("1.0  2.0 xyz  -1.2");
		assertEquals( 1.8, acc.getTotal(), 0.0001 ); 
	}
	
}