package com.sorts;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
class MergeSortTest {
@Test
void mergeSortTest() {
MergeSort mergeSort = new MergeSort();
Integer[] unsortedInt = new Integer[]{0, 5, 9, 2, 1, 3, 4, 8, 6, 7};
Integer[] sortedInt = new Integer[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
Assertions.assertArrayEquals(sortedInt, mergeSort.sort(unsortedInt));
unsortedInt = new Integer[]{5, 4, 3, 2, 1, 0};
sortedInt = new Integer[]{0, 1, 2, 3, 4, 5};
Assertions.assertArrayEquals(sortedInt, mergeSort.sort(unsortedInt));
unsortedInt = new Integer[]{-1, -2, -3, -4, -5};
sortedInt = new Integer[]{-5, -4, -3, -2, -1};
Assertions.assertArrayEquals(sortedInt, mergeSort.sort(unsortedInt));
unsortedInt = new Integer[]{-1, -5, -10, -990, 990, 1010};
sortedInt = new Integer[]{-990, -10, -5, -1, 990, 1010};
Assertions.assertArrayEquals(sortedInt, mergeSort.sort(unsortedInt));
Character[] unsortedChar = new Character[]{'f', 'h', 'c', 'a', 'b', 'd', 'g', 'e'};
Character[] sortedChar = new Character[]{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'};
Assertions.assertArrayEquals(sortedChar, mergeSort.sort(unsortedChar));
}
}