java unit test (junit)

demo

1. compare

public int compare(int n1, int n2) {
    if (n1 > n2) return 1;
    else if (n1  
@Test
@DisplayName("First number is less than the second")
public void compare() {
    Basics basicTests = new Basics();
    int value = basicTests.compare(2, 3);
    Assertions.assertEquals(-1, value);
}
 
sort array
public void sortArray(int[] array) {
    int n = array.length;
    for (int i = 0; i  array[j+1]) {
                int temp = array[j];
                array[j] = array[j+1];
                array[j+1] = temp;
            }
        }
    }
}
 
@Test
@DisplayName("Array sorted")
public void sortArray() {
    Basics basicTests = new Basics();
    int[] array = {5, 8, 3, 9, 1, 6};
    basicTests.sortArray(array);
    Assertions.assertArrayEquals(new int[]{1, 3, 5, 6, 8, 9}, array);
}

                
                
                
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