import org.junit.Test;

import static org.junit.Assert.assertTrue;

/** Test.
 * @author jaanus
 */
public class GradeTest {

	/**
	 * Test method for {@link Grade#grade(double)}.
	 */
	@Test
	public void testGrade() {
		assertTrue (Grade.grade (0).equalsIgnoreCase ("fail"));
		assertTrue (Grade.grade(50).equalsIgnoreCase ("fail"));
		assertTrue (Grade.grade(51).equalsIgnoreCase ("sufficient"));
		assertTrue (Grade.grade(55).equalsIgnoreCase ("sufficient"));
		assertTrue (Grade.grade(60).equalsIgnoreCase ("sufficient"));
		assertTrue (Grade.grade(66).equalsIgnoreCase ("satisfactory"));
		assertTrue (Grade.grade(61).equalsIgnoreCase ("satisfactory"));
		assertTrue (Grade.grade(70).equalsIgnoreCase ("satisfactory"));
		assertTrue (Grade.grade(71).equalsIgnoreCase ("good"));
		assertTrue (Grade.grade(80).equalsIgnoreCase ("good"));
		assertTrue (Grade.grade(81).equalsIgnoreCase ("very good"));
		assertTrue (Grade.grade(90).equalsIgnoreCase ("very good"));
		assertTrue (Grade.grade(91).equalsIgnoreCase ("excellent"));
		assertTrue (Grade.grade(100).equalsIgnoreCase ("excellent"));
		assertTrue (Grade.grade(50.5).equalsIgnoreCase ("sufficient"));
		assertTrue (Grade.grade(60.5).equalsIgnoreCase ("satisfactory"));
		assertTrue (Grade.grade(70.5).equalsIgnoreCase ("good"));
		assertTrue (Grade.grade(80.5).equalsIgnoreCase ("very good"));
		assertTrue (Grade.grade(90.5).equalsIgnoreCase ("excellent"));
	}

	/**
	 * Test method for {@link Grade#grade(double)}.
	 */
	@Test (expected=RuntimeException.class)
	public void testNegGrade() {
		Grade.grade (-1);
	}

	/**
	 * Test method for {@link Grade#grade(double)}.
	 */
	@Test (expected=RuntimeException.class)
	public void testIllegalGrade() {
		Grade.grade (200);
	}

}