@Test

void testSurfaceAreaCube() {

assertEquals(6.0, Area.surfaceAreaCube(1));

}

@Test

void testSurfaceAreaSphere() {

assertEquals(12.566370614359172, Area.surfaceAreaSphere(1));

}

@Test

void testSurfaceAreaRectangle() {

assertEquals(200.0, Area.surfaceAreaRectangle(10, 20));

}

@Test

void testSurfaceAreaCylinder() {

assertEquals(18.84955592153876, Area.surfaceAreaCylinder(1, 2));

}

@Test

void testSurfaceAreaSquare() {

assertEquals(100.0, Area.surfaceAreaSquare(10));

}

@Test

void testSurfaceAreaTriangle() {

assertEquals(50.0, Area.surfaceAreaTriangle(10, 10));

}

@Test

void testSurfaceAreaParallelogram() {

assertEquals(200.0, Area.surfaceAreaParallelogram(10, 20));

}

@Test

void testSurfaceAreaTrapezium() {

assertEquals(450.0, Area.surfaceAreaTrapezium(10, 20, 30));

}

@Test

void testSurfaceAreaCircle() {

assertEquals(1256.6370614359173, Area.surfaceAreaCircle(20));

}

@Test

void surfaceAreaHemisphere() {

assertEquals(235.61944901923448, Area.surfaceAreaHemisphere(5));

}

@Test

void surfaceAreaCone() {

assertEquals(301.59289474462014, Area.surfaceAreaCone(6, 8));

}

@Test

void testAllIllegalInput() {

assertAll(()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCube(0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaSphere(0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaRectangle(0, 10)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaRectangle(10, 0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCylinder(0, 1)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCylinder(1, 0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaSquare(0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaTriangle(0, 1)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaTriangle(1, 0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaParallelogram(0, 1)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaParallelogram(1, 0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaTrapezium(0, 1, 1)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaTrapezium(1, 0, 1)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaTrapezium(1, 1, 0)),

()

-> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCircle(0)),

() -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaHemisphere(0)), () -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCone(1, 0)), () -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCone(0, 1)));

}