Java SingletonDBConnection Examples

Example #1

File: SingletonDBTest.java Project: joalencinas/java-bootcamp-2016

 @Test
 public void singletonCreatesOnlyOneInstance() {
   SingletonDBConnection testSingle2 = null;
   SingletonDBConnection testSingle3 = null;
   testSingle2 = SingletonDBConnection.getInstance();
   testSingle3 = SingletonDBConnection.getInstance();
   Assert.assertNotNull("Shouldn't be NULL", testSingle2);
   Assert.assertNotNull("Shouldn't be NULL", testSingle3);
   Assert.assertSame("Should be the same object", testSingle2, testSingle3);
 }

Example #2

File: SingletonDBTest.java Project: joalencinas/java-bootcamp-2016

 @Test
 public void singletonCreatesSomeInstance() {
   SingletonDBConnection testSingle1 = null;
   testSingle1 = SingletonDBConnection.getInstance();
   Assert.assertNotNull("Shouldn't be NULL", testSingle1);
 }