Examples of junit.framework.TestCase

junit.framework.TestCase
A test case defines the fixture to run multiple tests. To define a test case
1. implement a subclass of TestCase
2. define instance variables that store the state of the fixture
3. initialize the fixture state by overriding {@link #setUp()}
4. clean-up after a test by overriding {@link #tearDown()}.
Each test runs in its own fixture so there can be no side effects among test runs. Here is an example:
```
 public class MathTest extends TestCase { protected double fValue1; protected double fValue2; protected void setUp() { fValue1= 2.0; fValue2= 3.0; } } 
```
For each test implement a method which interacts with the fixture. Verify the expected results with assertions specified by calling {@link junit.framework.Assert#assertTrue(String,boolean)} with a boolean.
```
 public void testAdd() { double result= fValue1 + fValue2; assertTrue(result == 5.0); } 
```
Once the methods are defined you can run them. The framework supports both a static type safe and more dynamic way to run a test. In the static way you override the runTest method and define the method to be invoked. A convenient way to do so is with an anonymous inner class.
```
 TestCase test= new MathTest("add") { public void runTest() { testAdd(); } }; test.run(); 
```
The dynamic way uses reflection to implement {@link #runTest()}. It dynamically finds and invokes a method. In this case the name of the test case has to correspond to the test method to be run.
```
 TestCase test= new MathTest("testAdd"); test.run(); 
```
The tests to be run can be collected into a TestSuite. JUnit provides different test runners which can run a test suite and collect the results. A test runner either expects a static method suite as the entry point to get a test to run or it will extract the suite automatically.
```
 public static Test suite() { suite.addTest(new MathTest("testAdd")); suite.addTest(new MathTest("testDivideByZero")); return suite; } 
```
@see TestResult @see TestSuite

      testClass.getTestMethodList().add(this);
    }
    
    private void init(Test test) {
      if(TestCase.class.isAssignableFrom(test.getClass())) {
        TestCase tc= (TestCase) test;


        m_methodName= tc.getName();
        m_signature= m_methodClass.getName() + "." + m_methodName + "()";
        try {
          m_method= test.getClass().getMethod(tc.getName(), new Class[0]);
        }
        catch(Exception ex) {
          throw new TestNGException("cannot retrieve JUnit method", ex);
        }
      }

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        return makeDescription(getTest());
    }


    private static Description makeDescription(Test test) {
        if (test instanceof TestCase) {
            TestCase tc = (TestCase) test;
            return Description.createTestDescription(tc.getClass(), tc.getName(),
                    getAnnotations(tc));
        } else if (test instanceof TestSuite) {
            TestSuite ts = (TestSuite) test;
            String name = ts.getName() == null ? createSuiteDescription(ts) : ts.getName();
            Description description = Description.createSuiteDescription(name);

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      this.methods = new ArrayList(methods);
      this.methods.add("warning");


      for (Enumeration e = original.tests(); e.hasMoreElements();)
      {
         TestCase tc = (TestCase)e.nextElement();
         if (methods.contains(tc.getName()))
         {
            tests.add(tc);
         }
      }


      if (tests.isEmpty())
      {
         tests.add(new TestCase("warning")
         {
            @Override
            protected void runTest()
            {
               Assert.fail("The SelectiveTestSuite did not select any test.");

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    return makeDescription(fTest);
  }


  private Description makeDescription(Test test) {
    if (test instanceof TestCase) {
      TestCase tc= (TestCase) test;
      return Description.createTestDescription(tc.getClass(), tc.getName());
    } else if (test instanceof TestSuite) {
      TestSuite ts= (TestSuite) test;
      Description description= Description.createSuiteDescription(ts.getName());
      int n= ts.testCount();
      for (int i= 0; i < n; i++)

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                        Attr att = (Attr) atts.item(j);
                        configParams.put(att.getName(), att.getValue());
                    }
                }
                if (n.getNodeName().equals("testcase")) {
                    TestCase tc = createTestCaseFromNode((Element) n);
                    addTest(tc);
                }
            }
        }
    }

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}
    
    /** Bootstrap for the self-test code.
     */
    public static void main( String[] argc ) throws Exception {
        TestCase test = new TestJspTaglibs( "test-jsptaglibs.txt" );
        test.run();
    }

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            //  TestItem.create assumes it is a a URI or string.
            // Clean up.
            item = TestItem.create(entry, defaultTestType, querySyntax, DataFormat.langXML) ;
        }
        
        TestCase test = null ;


        // Frankly this all needs rewriting.
        // Drop the idea of testItem.  pass entry/action/result to subclass.
        // Library for parsing entries.

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     * @param args the command line arguments
     */
    public static void main(String[] args) throws Exception {


        TestResult            result;
        TestCase              test;
        java.util.Enumeration failures;
        int                   count;


        result = new TestResult();
        test   = new TestJDBCSavepoints("testJDBCSavepoints");


        test.run(result);


        count = result.failureCount();


        System.out.println("TestJDBCSavepoints failure count: " + count);

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    }


    public static void main(String[] argv) {


        TestResult result = new TestResult();
        TestCase   testA  = new TestSql("testMetaData");
        TestCase   testB  = new TestSql("testDoubleNaN");
        TestCase   testC  = new TestSql("testAny");


        testA.run(result);
        testB.run(result);
        testC.run(result);
        System.out.println("TestSql error count: " + result.failureCount());
    }

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        }
        s.close();
    }


    private static Throwable runTestCaseTest(String testClass, String method, int port) throws Exception {
        TestCase test = (TestCase)Class.forName(testClass).newInstance();
        test.setName(method);
        TestResult result = new TestResult();
        test.run(result);
        if (result.failureCount() != 0) {
            Enumeration e = result.failures();
            return ((TestFailure)e.nextElement()).thrownException();
        }
        else if (result.errorCount() != 0) {

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