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import static org.junit.jupiter.api.Assertions.*;

import org.junit.jupiter.api.Test;

public class MaxPairProductTest {

	@Test
	void testMaxPairProductSize() {
		MaxPairProduct mpp = new MaxPairProduct(5);
		assertEquals(5, mpp.getCount());
	}

	@Test
	void testMaxPairProductBiggest0() {
		MaxPairProduct mpp = new MaxPairProduct(1);
		assertEquals(0, mpp.getBiggest());
	}

	@Test
	void testMaxPairProductBigger0() {
		MaxPairProduct mpp = new MaxPairProduct(1);
		assertEquals(0, mpp.getBigger());
	}

	@Test
	void testMaxPairProductNewNumber1() {
		MaxPairProduct mpp = new MaxPairProduct(1);
		mpp.newNumber(1);
		assertEquals(0, mpp.getBigger());
		assertEquals(1, mpp.getBiggest());
		assertEquals(1, mpp.getProduct());
	}

	@Test
	void testMaxPairProductNewNumber2() {
		MaxPairProduct mpp = new MaxPairProduct(2);
		mpp.newNumber(1);
		mpp.newNumber(1);
		assertEquals(1, mpp.getBigger());
		assertEquals(1, mpp.getBiggest());
		assertEquals(1, mpp.getProduct());
	}

	@Test
	void testMaxPairProductNewNumber2_1() {
		MaxPairProduct mpp = new MaxPairProduct(2);
		mpp.newNumber(1);
		mpp.newNumber(2);
		assertEquals(1, mpp.getBigger());
		assertEquals(2, mpp.getBiggest());
		assertEquals(2, mpp.getProduct());
	}

	@Test
	void testMaxPairProductNewNumber3() {
		MaxPairProduct mpp = new MaxPairProduct(3);
		mpp.newNumber(1);
		mpp.newNumber(2);
		mpp.newNumber(2);
		assertEquals(2, mpp.getBigger());
		assertEquals(2, mpp.getBiggest());
		assertEquals(4, mpp.getProduct());
	}

	@Test
	void testMaxPairProductNewNumber3_1() {
		MaxPairProduct mpp = new MaxPairProduct(3);
		mpp.newNumber(1);
		mpp.newNumber(2);
		mpp.newNumber(3);
		assertEquals(2, mpp.getBigger());
		assertEquals(3, mpp.getBiggest());
		assertEquals(6, mpp.getProduct());
	}

	@Test
	void testMaxPairProductNewNumber10() {
		MaxPairProduct mpp = new MaxPairProduct(10);
		mpp.newNumber(7);
		mpp.newNumber(5);
		mpp.newNumber(14);
		mpp.newNumber(2);
		mpp.newNumber(8);
		mpp.newNumber(8);
		mpp.newNumber(10);
		mpp.newNumber(1);
		mpp.newNumber(2);
		mpp.newNumber(3);
		assertEquals(140, mpp.getProduct());
	}

	@Test
	void testMaxPairProductNewNumber2_2() {
		MaxPairProduct mpp = new MaxPairProduct(2);
		mpp.newNumber(100000);
		mpp.newNumber(90000);
		assertEquals(90000, mpp.getBigger());
		assertEquals(100000, mpp.getBiggest());
		assertEquals(9000000000L, mpp.getProduct());
	}

}