@Test
public void testNormalize() {
MyDouble a = new MyDouble(1);
MyDouble b = new MyDouble(2);
MyDouble c = new MyDouble(3);
QuadraticEquation NormQuad = new QuadraticEquation(a, b, c);
MyDouble norm = new MyDouble(a.square().add(b.square().add(c.square())));
MyDouble normTest = new MyDouble(norm.sqrt());
assertTrue(normTest.equals(NormQuad.normalize()));
}
@Test
public void testDerivative() {
MyDouble a = new MyDouble(1);
MyDouble b = new MyDouble(2);
MyDouble c = new MyDouble(3);
QuadraticEquation DiffQuad = new QuadraticEquation(a, b, c);
MyDouble expOne = new MyDouble(2);
MyDouble expTwo = new MyDouble(1);
QuadraticEquation ResultQuad = new QuadraticEquation(a.multiply(expOne), b.multiply(expTwo));
assertTrue(ResultQuad.equals(DiffQuad.derivative()));
}
@Test
public void testSubtract() {
MyDouble a = new MyDouble(1);
MyDouble b = new MyDouble(2);
MyDouble c = new MyDouble(3);
QuadraticEquation EquatOne = new QuadraticEquation(a, b, c);
QuadraticEquation EquatTwo = new QuadraticEquation(a, b, c);
QuadraticEquation TestQuad = new QuadraticEquation(a.subtract(a), b.subtract(b), c.subtract(c));
assertTrue(TestQuad.equals(EquatOne.subtract(EquatTwo)));
}
@Test
public void testAdd() {
MyDouble a = new MyDouble(1);
MyDouble b = new MyDouble(2);
MyDouble c = new MyDouble(3);
QuadraticEquation EquatOne = new QuadraticEquation(a, b, c);
QuadraticEquation EquatTwo = new QuadraticEquation(a, b, c);
QuadraticEquation TestQuad = new QuadraticEquation(a.add(a), b.add(b), c.add(c));
assertTrue(TestQuad.equals(EquatOne.add(EquatTwo)));
}
// YOU NEED TO IMPLEMENT AT LEAST THESE JUNIT TESTS BELOW
@Test
public void testGetters() {
MyDouble a = new MyDouble(3);
MyDouble b = new MyDouble(4);
MyDouble c = new MyDouble(5);
QuadraticEquation testQuad = new QuadraticEquation(a, b, c);
assertTrue(a.equals(testQuad.getA()));
assertTrue(b.equals(testQuad.getB()));
assertTrue(c.equals(testQuad.getC()));
}
@Test
public void testMultiply() {
MyDouble a = new MyDouble(1);
MyDouble b = new MyDouble(2);
MyDouble c = new MyDouble(3);
QuadraticEquation TestOneQuad = new QuadraticEquation(a, b, c);
QuadraticEquation TestTwoQuad = new QuadraticEquation(a, b, c);
QuadraticEquation MultiQuadNull = TestOneQuad.limitedMultiply(TestTwoQuad);
assertEquals(null, MultiQuadNull);
QuadraticEquation TestThreeQuad = new QuadraticEquation(c);
QuadraticEquation MultiQuad = TestOneQuad.limitedMultiply(TestThreeQuad);
QuadraticEquation MultiTest =
new QuadraticEquation(a.multiply(c), b.multiply(c), c.multiply(c));
assertTrue(MultiQuad.equals(MultiTest));
}