import org.junit.Assert;

import org.junit.Test;

public class AscendingSequenceTest {

@Test

public void testAscendingArrayHappyPath() {

int startNumber = 1;

int endNumber = 5;

int[] expectedResult = {1, 2, 3, 4, 5};

AscendingSequence ascendingSequence = new AscendingSequence();

int[] actualResult = ascendingSequence.buildAscendingArray(startNumber, endNumber);

Assert.assertArrayEquals(expectedResult, actualResult);

}

@Test

public void testAscendingArrayZeroCase() {

int startNumber = 0;

int endNumber = 5;

int[] expectedResult = {0, 1, 2, 3, 4, 5};

AscendingSequence ascendingSequence = new AscendingSequence();

int[] actualResult = ascendingSequence.buildAscendingArray(startNumber, endNumber);

Assert.assertArrayEquals(expectedResult, actualResult);

}

@Test

public void testAscendingArrayNegativeNumbersCase() {

int startNumber = -8;

int endNumber = -4;

int[] expectedResult = {-8, -7, -6, -5, -4};

AscendingSequence ascendingSequence = new AscendingSequence();

int[] actualResult = ascendingSequence.buildAscendingArray(startNumber, endNumber);

Assert.assertArrayEquals(expectedResult, actualResult);

}

@Test

public void testAscendingArrayNegativePositiveNumbersCase() {

int startNumber = -2;

int endNumber = 3;

int[] expectedResult = {-2, -1, 0, 1, 2, 3};

AscendingSequence ascendingSequence = new AscendingSequence();

int[] actualResult = ascendingSequence.buildAscendingArray(startNumber, endNumber);

Assert.assertArrayEquals(expectedResult, actualResult);

}

}