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Commit 4709345

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add Test for InsertionSort
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package src.main.java.com.sorts;
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public class InsertionSort {
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/**
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* This method implements the Generic Insertion Sort
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* Sorts the array in increasing order
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*
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* @param array The array to be sorted
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**/
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public <T extends Comparable<T>> T[] sort(T[] array) {
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for (int j = 1; j < array.length; j++) {
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// Picking up the key(Card)
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T key = array[j];
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int i = j - 1;
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while (i >= 0 && SortUtils.less(key, array[i])) {
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array[i + 1] = array[i];
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i--;
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}
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// Placing the key (Card) at its correct position in the sorted subarray
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array[i + 1] = key;
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}
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return array;
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}
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}
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package src.test.java.com.sorts;
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import org.junit.Assert;
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import org.junit.Test;
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import src.main.java.com.sorts.InsertionSort;
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import java.util.Arrays;
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public class InsertionSortTest {
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@Test
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public void insertionSortTest() {
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InsertionSort insertionSort = new InsertionSort();
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Integer[] unsortedInt = new Integer[]{0, 5, 9, 2, 1, 3, 4, 8, 6, 7};
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Integer[] sortedInt = new Integer[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
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System.out.println(Arrays.toString(insertionSort.sort(unsortedInt)));
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Assert.assertArrayEquals(sortedInt, insertionSort.sort(unsortedInt));
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Character[] unsortedChar = new Character[]{'f', 'h', 'c', 'a', 'b', 'd', 'g', 'e'};
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Character[] sortedChar = new Character[]{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'};
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System.out.println(Arrays.toString(insertionSort.sort(unsortedChar)));
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Assert.assertArrayEquals(sortedChar, insertionSort.sort(unsortedChar));
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}
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}

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