Create testdonvi.java

[buihuynhduc]

import static org.junit.Assert.assertEquals;

import java.util.Arrays;

import org.junit.Test;

public class testdonvi {
public int twoSum2(int[] nums, int target) {
if (nums == null || nums.length == 0) {
return 0;
}
int count = 0;
int left = 0;
int right = nums.length - 1;
Arrays.sort(nums);
while (left < right) {
if (nums[left] + nums[right] > target) {
count += (right - left);
right--;
} else {
left++;
}
}
return count;
}

@Test public void test() {	int[] a= {};	int result;	result=twoSum2(a, 3);	assertEquals(0,result); } @Test public void test2() {	int[] a= null;	int result;	result=twoSum2(a, 3);	assertEquals(0,result); } @Test public void test3() {int[] a= {3,1}; int result=twoSum2(a, 2); assertEquals(1,result); } @Test public void test4() {int[] a= {3,1}; int result=twoSum2(a, 5); assertEquals(0,result); } @Test public void test5() {int[] a= {3}; int result=twoSum2(a, 2); assertEquals(0,result); } 

}