Some Assert Method

Step-1 : Main Method

import org.junit.runner.JUnitCore;import org.junit.runner.Result;import org.junit.runner.notification.Failure;
/** * Created by Divakar on 2/16/2017. */public class AssertMain {

    public static void main(String[] args) {
        Result result = JUnitCore.runClasses(AssertMainTest.class);
        for (Failure failure : result.getFailures()) {
            System.out.println(failure.toString());        }

        System.out.println(result.wasSuccessful());    }
}

Step-2 : Test Method

import org.junit.Test;import static org.junit.Assert.*;
public class AssertMainTest {

    @Test    public void testAssertions() {
        //test data        String str1 = new String ("abc");        String str2 = new String ("abc");        String str3 = null;        String str4 = "abc";        String str5 = "abc";
        int val1 = 5;        int val2 = 6;
        String[] expectedArray = {"one", "two", "three"};        String[] resultArray =  {"one", "two", "three"};
        //Check that two objects are equal        assertEquals(str1, str2);
        //Check that a condition is true        assertTrue (val1 < val2);
        //Check that a condition is false        assertFalse(val1 > val2);
        //Check that an object isn't null        assertNotNull(str1);
        //Check that an object is null        assertNull(str3);
        //Check if two object references point to the same object        assertSame(str4,str5);
        //Check if two object references not point to the same object        assertNotSame(str1,str3);
        //Check whether two arrays are equal to each other.        assertArrayEquals(expectedArray, resultArray);
    }
}

22.