public void IsCircleTest( )
{
Assert.AreEqual( true, shapeChecker.IsCircle( idealCicle ) );
Assert.AreEqual( true, shapeChecker.IsCircle( distorredCircle ) );
Assert.AreEqual( false, shapeChecker.IsCircle( square1 ) );
Assert.AreEqual( false, shapeChecker.IsCircle( square2 ) );
Assert.AreEqual( false, shapeChecker.IsCircle( square3 ) );
Assert.AreEqual( false, shapeChecker.IsCircle( rectangle ) );
Assert.AreEqual( false, shapeChecker.IsCircle( triangle1 ) );
Assert.AreEqual( false, shapeChecker.IsCircle( equilateralTriangle ) );
Assert.AreEqual( false, shapeChecker.IsCircle( isoscelesTriangle ) );
Assert.AreEqual( false, shapeChecker.IsCircle( rectangledTriangle ) );
}