package eu.simuline.testhelpers;
   
   import eu.simuline.testhelpers.Actions;
   //import eu.simuline.testhelpers.Accessor;
   //import static eu.simuline.testhelpers.Assert;
   
   import static org.junit.Assert.assertEquals;
   // import static org.junit.Assert.assertTrue;
  // import static org.junit.Assert.assertNull;
  // import static org.junit.Assert.fail;
  
  import org.junit.Test;
  import org.junit.Before;
  import org.junit.runner.RunWith;
  import org.junit.runners.Suite;
  import org.junit.runners.Suite.SuiteClasses;
  
  /**
   * Testclass for class <code>Accessor</code>. 
   * This is rudimentary only. 
   *
   * @author <a href="mailto:e.reissner@rose.de">Ernst Reissner</a>
   * @version 1.0
   */
  @RunWith(Suite.class)
  @SuiteClasses({AccessorTest.TestAll.class})
  public class AccessorTest {
  
      /* -------------------------------------------------------------------- *
       * framework.                                                           *
       * -------------------------------------------------------------------- */
  
      static AccessorTest TEST = new AccessorTest();
  
      public static class TestAll {
  	@Test public void testGetField() throws Exception {
  	    AccessorTest.TEST.testGetField();	    
  	}
  	@Test public void testSetField() throws Exception {
  	    AccessorTest.TEST.testSetField();	    
  	}
  	@Test public void testCreate() throws Exception {
  	    AccessorTest.TEST.testCreate();	    
  	}
  	@Test public void testInvoke() throws Exception {
  	    AccessorTest.TEST.testInvoke();	    
  	}
  	@Test public void testGetInnerClass() {
  	    AccessorTest.TEST.testGetInnerClass();	    
  	}
      } // class TestAll 
  
  
  
  
      /* -------------------------------------------------------------------- *
       * methods for tests.                                                   *
       * -------------------------------------------------------------------- */
  
      Integer test = Integer.valueOf(0);
  
      class NonStatic {
  	class NonStatic1 {
  	}
  
      }
  
      static class Static {
  	static class Static2 {
  	}
      }
  
      static class ForTests {
  	private int aPrimitiveField = 3;
  	private static int aStaticPrimitiveField = 4;
  	private final static int aFinalField = -1;
  	static {
  	    System.out.println("ForTests:static");
  	}
  
  	private int privateMethod(int i) {
  	    return aPrimitiveField*i;
  	}
  	protected int protectedMethod(int i) {
  	    return aPrimitiveField*i*10;
  	}
  	private static int privateStaticMethod(int i) {
  	    return aStaticPrimitiveField*i;
  	}
  
      }
  
      static class ForTestsB extends ForTests {
  	private int aPrimitiveField = 33;
  	private static int aStaticPrimitiveField = 43;
  	static {
  	    System.out.println("ForTestsB:static");
  	}
 
 	private int privateMethod(int i) {
 	    return aPrimitiveField*i;
 	}
 	protected int protectedMethod(int i) {
 	    return aPrimitiveField*i*10;
 	}
 	private static int privateStaticMethod(int i) {
 	    return aStaticPrimitiveField*i;
 	}
     }
 
     /**
      * Initializes this class and all its inner classes
      */
     private void setUp() {
 	try {
 	    Class.forName("eu.simuline.testhelpers.AccessorTest");
 	    Class.forName("eu.simuline.testhelpers.AccessorTest.Static");
 	    Class.forName("eu.simuline.testhelpers.AccessorTest.Static.Static2");
 	    Class.forName("eu.simuline.testhelpers.AccessorTest.ForTests");
 	    Class.forName("eu.simuline.testhelpers.AccessorTest.ForTestsB");
 	} catch (ClassNotFoundException e) {
 	    throw new IllegalStateException("****");
 	}
     }
 
 
     public void testGetField() throws Exception {
 	Object obj;
 
 	// testcase 1
 	//
 	// non-static field 
 	//
 	obj = new ForTests();
 	assertEquals(Integer.valueOf(3),
 		     (Integer)Accessor.getField(obj,"aPrimitiveField"));
 
 
 	// testcase 2
 	//
 	// non-static field without target 
 	//
 	try {
 	     Accessor.getField((Object)null,"aPrimitiveField");
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Specified null-target. ",e.getMessage());
 	} // end of try-catch
 	
 		     
 	// testcase 3
 	//
 	// static field 
 	//
 	assertEquals(Integer.valueOf(4),
 		     (Integer)Accessor.getField(ForTests.class,
 						"aStaticPrimitiveField"));
 
 
 	// testcase 4
 	//
 	// static field without specifying a class 
 	//
 	try {
 	     Accessor.getField((Class)null,"aStaticPrimitiveField");
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Specified null-class. ",e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 5
 	//
 	// static field 
 	//
 	try {
 	     Accessor.getField(null,null,"aStaticPrimitiveField");
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Specified null-class. ",e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 6
 	//
 	// non-static overwritten field 
 	//
 	assertEquals(Integer.valueOf(3),
 		     (Integer)Accessor.getField(ForTests.class,
 						new ForTestsB(),
 						"aPrimitiveField"));
 	     
 	// testcase 7
 	//
 	// non-static not overwritten field 
 	//
 	assertEquals(Integer.valueOf(33),
 		     (Integer)Accessor.getField(ForTestsB.class,
 						new ForTestsB(),
 						"aPrimitiveField"));
 	     
 	// testcase 8
 	//
 	// static field 
 	//
 	assertEquals(Integer.valueOf(4),
 		     (Integer)Accessor.getField(ForTests.class,
 						null,
 						"aStaticPrimitiveField"));
 	     
 	// testcase 9
 	//
 	// static field 
 	//
 	assertEquals(Integer.valueOf(43),
 		     (Integer)Accessor.getField(ForTestsB.class,
 						null,
 						"aStaticPrimitiveField"));
 	     
 // java.lang.AssertionError: expected:<43> but was:<430>
 //         at org.junit.Assert.fail(Assert.java:91)
 //         at org.junit.Assert.failNotEquals(Assert.java:645)
 //         at org.junit.Assert.assertEquals(Assert.java:126)
 //         at org.junit.Assert.assertEquals(Assert.java:145)
 //         at eu.simuline.testhelpers.AccessorTest.testGetField(AccessorTest.java:195)
 //         at eu.simuline.testhelpers.AccessorTest$TestAll.testGetField(AccessorTest.java:41)
 
 	// testcase 10
 	//
 	// non-static field 
 	//
 	try {
 	     Accessor.getField(Integer.class,null,"aNonExistingField");
 	} catch (NoSuchFieldException e) {
 	    assertEquals("aNonExistingField",e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 11
 	//
 	// non-static field 
 	//
 	try {
 	     Accessor.getField(ForTests.class,
 			       new ForTests(),
 			       "aStaticPrimitiveField");
 	} catch (IllegalArgumentException e) {
 	    assertEquals("The specified field 'aStaticPrimitiveField' should " + 
 			 "not be static. ",
 			 e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 12
 	//
 	// non-static field 
 	//
 	try {
 	     Accessor.getField(ForTests.class,
 			       null,
 			       "aPrimitiveField");
 	} catch (IllegalArgumentException e) {
 	    assertEquals("The specified field 'aPrimitiveField' should " + 
 			 "be static. ",
 			 e.getMessage());
 	} // end of try-catch
 
     } // testGetField 
 
 
     public void testSetField() throws Exception {
 
 	Object obj;
 
 	// testcase 1
 	//
 	// non-static field 
 	//
 	obj = new ForTests();
 	Accessor.setField(obj,"aPrimitiveField",Integer.valueOf(30));
 
 	assertEquals(Integer.valueOf(30),
 		     (Integer)Accessor.getField(obj,"aPrimitiveField"));
 
 
 
 	// testcase 2
 	//
 	// non-static field without target 
 	//
 	try {
 	     Accessor.setField((Object)null,"aPrimitiveField",null);
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Specified null-target. ",e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 3
 	//
 	// static field 
 	//
 	Accessor.setField(ForTests.class,
 			  "aStaticPrimitiveField",
 			  Integer.valueOf(40));
 	assertEquals(Integer.valueOf(40),
 		     (Integer)Accessor.getField(ForTests.class,
 						"aStaticPrimitiveField"));
 
 
 	// testcase 4
 	//
 	// static field without specifying a class 
 	//
 	try {
 	     Accessor.setField((Class)null,
 			       "aStaticPrimitiveField",
 			       Integer.valueOf(-1));
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Specified null-class. ",e.getMessage());
 	} // end of try-catch
 
 	// testcase 5
 	//
 	// static field 
 	//
 	try {
 	     Accessor.setField(null,
 			       null,
 			       "aStaticPrimitiveField",
 			       Integer.valueOf(-1));
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Specified null-class. ",e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 6
 	//
 	// non-static overwritten field 
 	//
 	obj = new ForTestsB();
 	Accessor.setField(ForTests.class,
 			  obj,
 			  "aPrimitiveField",
 			  Integer.valueOf(30));
 	assertEquals(Integer.valueOf(30),
 		     (Integer)Accessor.getField(ForTests.class,
 						obj,
 						"aPrimitiveField"));
 
 
 	// testcase 7
 	//
 	// non-static not overwritten field 
 	//
 	obj = new ForTestsB();
 	Accessor.setField(ForTestsB.class,
 			  obj,
 			  "aPrimitiveField",
 			  Integer.valueOf(330));
 	assertEquals(Integer.valueOf(330),
 		     (Integer)Accessor.getField(ForTestsB.class,
 						obj,
 						"aPrimitiveField"));
 
 	// testcase 8
 	//
 	// static field 
 	//
 	Accessor.setField(ForTests.class,
 			  null,
 			  "aStaticPrimitiveField",
 			  Integer.valueOf(40));
 	assertEquals(Integer.valueOf(40),
 		     (Integer)Accessor.getField(ForTests.class,
 						null,
 						"aStaticPrimitiveField"));
 
 
 	// testcase 9
 	//
 	// static field 
 	//
 	Accessor.setField(ForTestsB.class,
 			  null,
 			  "aStaticPrimitiveField",
 			  Integer.valueOf(430));
 	assertEquals(Integer.valueOf(430),
 		     (Integer)Accessor.getField(ForTestsB.class,
 						null,
 						"aStaticPrimitiveField"));
 
 	// testcase 10
 	//
 	// non-static field 
 	//
 	try {
 	     Accessor.setField(Integer.class,
 			       null,
 			       "aNonExistingField",
 			       Integer.valueOf(-1));
 	} catch (NoSuchFieldException e) {
 	    assertEquals("aNonExistingField",e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 11
 	//
 	// non-static field 
 	//
 	try {
 	     Accessor.setField(ForTests.class,
 			       new ForTests(),
 			       "aStaticPrimitiveField",
 			       Integer.valueOf(-1));
 	} catch (IllegalArgumentException e) {
 	    assertEquals("The specified field 'aStaticPrimitiveField' should " + 
 			 "not be static. ",
 			 e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 12
 	//
 	// non-static field 
 	//
 	try {
 	     Accessor.setField(ForTests.class,
 			       null,
 			       "aPrimitiveField",
 			       Integer.valueOf(-1));
 	} catch (IllegalArgumentException e) {
 	    assertEquals("The specified field 'aPrimitiveField' should " + 
 			 "be static. ",
 			 e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 12
 	//
 	// final field 
 	//
 	try {
 	     Accessor.setField(ForTests.class,
 			       "aFinalField",
 			       Integer.valueOf(-1));
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Field 'aFinalField' in class '" + 
 			 ForTests.class.getName() + 
 			 "' is declared final and is hence not accessible. ",
 			 e.getMessage());
 	} // end of try-catch
 
 
 	// testcase 13
 	//
 	// primitive field tried to assign a null value. 
 	//
 	try {
 	    Accessor.setField(ForTests.class,
 			      "aStaticPrimitiveField",
 			      null);
 	} catch (IllegalArgumentException e) {
 	    assertEquals("Tried to assign null-value " + 
 			 "to field 'aStaticPrimitiveField'" +
 			 " in class '" + ForTests.class.getName() + 
 			 "' although its type '" + Integer.TYPE + 
 			 "' is primitive. ",
 			 e.getMessage());
 	} // end of try-catch
 
     } // testSetField 
 
     public void testCreate() throws Exception {
 	ForTests ft;
 
 	// testcase 1
 	//
 	// default constructor 
 	//
 	ft = Accessor.create(ForTests.class);
 
 	// testcase 2
 	//
 	// default constructor 
 	//
 	ft = Accessor.create(ForTests.class,
 			     new Class[] {},
 			     new Object[] {});
     } // testCreate 
 
     public void testInvoke() throws Exception {
 	int result;
 
 
 	// testcase 1
 	//
 	//
 	//
 	result = ((Integer)Accessor.invoke(new ForTestsB(),
 					   "privateMethod",
 					   Integer.valueOf(2))
 		      ).intValue();
 	assertEquals(66,result);
 
 
 	// testcase 2
 	//
 	//
 	//
 	result = ((Integer)Accessor.invoke(new ForTests(),
 					   "privateMethod",
 					   Integer.valueOf(2))
 		      ).intValue();
 	assertEquals(6,result);
 
 
 	// testcase 3
 	//
 	//
 	//
 	result = ((Integer)Accessor.invoke(new ForTestsB(),
 					   "protectedMethod",
 					   Integer.valueOf(2))
 		      ).intValue();
 	assertEquals(660,result);
 
 
 	// testcase 4
 	//
 	//
 	//
 	result = ((Integer)Accessor.invoke(new ForTests(),
 					   "protectedMethod",
 					   Integer.valueOf(2))
 		      ).intValue();
 	assertEquals(60,result);
 
 
 	// testcase 5
 	//
 	//
 	//
 	Accessor.setField(ForTests.class,
 			  "aStaticPrimitiveField",
 			  Integer.valueOf(4));
 	result = ((Integer)Accessor.invokeStatic(ForTests.class,
 						 "privateStaticMethod",
 						 Integer.valueOf(2))
 		      ).intValue();
 	assertEquals(8,result);
 
     } // testInvoke 
 
     public void testGetInnerClass() {
 
 	 // testcase 1
 	 //
 	 // get inner static class 
 	 //
 	 try {
 	     Accessor.getInnerClass(null,"ForTests");
 	 } catch (IllegalArgumentException e) {
 	     assertEquals("Specified null-class. ",e.getMessage());
 	 } // end of try-catch
 		      
 
 	 // testcase 2
 	 //
 	 // get inner static class 
 	 //
 	 try {
 	     Accessor.getInnerClass(AccessorTest.class,(String)null);
 	 } catch (IllegalArgumentException e) {
 	     assertEquals("Specified null-class-name. ",e.getMessage());
 	 } // end of try-catch
 		      
 
 	 // testcase 3
 	 //
 	 // get inner static class 
 	 //
 	 try {
 	     Accessor.getInnerClass(AccessorTest.class,"noInnerClass");
 	 } catch (IllegalArgumentException e) {
 	     assertEquals("Class '" + AccessorTest.class.getName() + 
 			  "' has no inner class named '" + "noInnerClass" + "'. ",
 			  e.getMessage());
 	 } // end of try-catch
 
 
 	 // testcase 4
 	 //
 	 // get inner static class 
 	 //
 	 assertEquals(ForTests.class,
 		      Accessor.getInnerClass(AccessorTest.class,
 					     "ForTests"));
     } // testGetInnerClass 
 
    /* -------------------------------------------------------------------- *
      * framework.                                                           *
      * -------------------------------------------------------------------- */
 
 
     /**
      * Runs the test case.
      *
      * Uncomment either the textual UI, Swing UI, or AWT UI.
      */
     public static void main(String args[]) {
 	Actions.runFromMain();
     }
 
 }