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

import org.junit.jupiter.api.Test;

class ResizeArrayExerciseTest {

  @Test
  void testResize() {
    assertArrayEquals(new int[] { 1, 3 }, ResizeArrayExercise.resize(new int[] { 1, 3, 5, 7 }, 2));
    assertArrayEquals(new int[] { 1, 2, 3, 0, 0 }, ResizeArrayExercise.resize(new int[] { 1, 2, 3 }, 5));
    assertArrayEquals(null, ResizeArrayExercise.resize(new int[] { 0, 0, 0, 0 }, 0));
    assertArrayEquals(null, ResizeArrayExercise.resize(new int[] { 1, 2, 3, 4 }, -12));
  }
}