@Test
public void testIsPercentage()
{

    assertTrue( MathUtils.isPercentage( "0" ) );
    assertTrue( MathUtils.isPercentage( "15" ) );
    assertTrue( MathUtils.isPercentage( "100" ) );
    assertFalse( MathUtils.isPercentage( "abc" ) );
    assertFalse( MathUtils.isPercentage( "-1" ) );
    assertFalse( MathUtils.isPercentage( "12.5" ) );
    assertFalse( MathUtils.isPercentage( "17,8" ) );
    assertFalse( MathUtils.isPercentage( "101" ) );
}