Testing class Class : Unit Test « Development Class « Java

Testing class Class

 

// : c10:ToyTest.java
// Testing class Class.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

interface HasBatteries {
}

interface Waterproof {
}

interface Shoots {
}

class Toy {
  // Comment out the following default constructor
  // to see NoSuchMethodError from (*1*)
  Toy() {
  }

  Toy(int i) {
  }
}

class FancyToy extends Toy implements HasBatteries, Waterproof, Shoots {
  FancyToy() {
    super(1);
  }
}

public class ToyTest {

  static void printInfo(Class cc) {
    System.out.println("Class name: " + cc.getName() + " is interface? ["
        + cc.isInterface() + "]");
  }

  public static void main(String[] args) {
    Class c = null;
    try {
      c = Class.forName("FancyToy");
    } catch (ClassNotFoundException e) {
      System.out.println("Can't find FancyToy");
      System.exit(1);
    }
    printInfo(c);
    Class[] faces = c.getInterfaces();
    for (int i = 0; i < faces.length; i++)
      printInfo(faces[i]);
    Class cy = c.getSuperclass();
    Object o = null;
    try {
      // Requires default constructor:
      o = cy.newInstance(); // (*1*)
    } catch (InstantiationException e) {
      System.out.println("Cannot instantiate");
      System.exit(1);
    } catch (IllegalAccessException e) {
      System.out.println("Cannot access");
      System.exit(1);
    }
    printInfo(o.getClass());

  }
} ///:~

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3.	Assert equals: int
4.	Assert equals: Long
5.	JUnit assertEquals With Message
6.	JUnit assertTrue
7.	JUnit assertTrue: ObjectArray
8.	Before annotation
9.	JUnit BeforeClass
10.	JUnit Extends TestCase
11.	JUnit Ignore
12.	Simple test with JUnit
13.	JUnit Test Case With Expected Exception
14.	JUnit Test Setup
15.	Simple use of JUnit to test ArrayList
16.	Debug frame
17.	Error Handler
18.	Redirect or reassign some standard descriptors
19.	Utilities for debugging
20.	Simple utility for testing program output
21.	Assertion tool for debugging
22.	Simple Debugging
23.	Random data for test
24.	Demonstration of Design by Contract (DBC) combined with white-box unit testing

Testing class Class : Unit Test « Development Class « Java

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