Need to pass test cases from java8 OOPs concepts

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Assignment 1/.DS_Store

__MACOSX/Assignment 1/._.DS_Store

Assignment 1/Assignment 1.iml

Assignment 1/.idea/.gitignore

# Default ignored files /shelf/ /workspace.xml

Assignment 1/.idea/workspace.xml

1590960794916 1590960794916

Assignment 1/.idea/modules.xml

Assignment 1/.idea/misc.xml

Assignment 1/src/.DS_Store

__MACOSX/Assignment 1/src/._.DS_Store

Assignment 1/.idea/codeStyles/codeStyleConfig.xml

Assignment 1/.idea/libraries/org_hamcrest_hamcrest_2_2.xml

Assignment 1/src/test/.DS_Store

__MACOSX/Assignment 1/src/test/._.DS_Store

Assignment 1/src/main/.DS_Store

__MACOSX/Assignment 1/src/main/._.DS_Store

Assignment 1/src/test/ca/.DS_Store

__MACOSX/Assignment 1/src/test/ca/._.DS_Store

Assignment 1/src/main/ca/.DS_Store

__MACOSX/Assignment 1/src/main/ca/._.DS_Store

Assignment 1/src/test/ca/bcit/.DS_Store

__MACOSX/Assignment 1/src/test/ca/bcit/._.DS_Store

Assignment 1/src/main/ca/bcit/.DS_Store

__MACOSX/Assignment 1/src/main/ca/bcit/._.DS_Store

Assignment 1/src/test/ca/bcit/comp2526/ShortMagic1Tests.java

Assignment 1/src/test/ca/bcit/comp2526/ShortMagic1Tests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   ShortMagic1Tests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA   }));
        assertThat ( ex . getMessage (),  equalTo ( "Require 4 bytes to be available" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/ShortMinorTests.java

Assignment 1/src/test/ca/bcit/comp2526/ShortMinorTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   ShortMinorTests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE ,   ( byte ) 0x00   }));
        assertThat ( ex . getMessage (),  equalTo ( "Require 2 bytes to be available" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/ShortMajorTests.java

Assignment 1/src/test/ca/bcit/comp2526/ShortMajorTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   ShortMajorTests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x00   }));
        assertThat ( ex . getMessage (),  equalTo ( "Require 2 bytes to be available" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/MissingMinorTests.java

Assignment 1/src/test/ca/bcit/comp2526/MissingMinorTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   MissingMinorTests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE   }));
        assertThat ( ex . getMessage (),  equalTo ( "Require 2 bytes to be available" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/MissingMajorTests.java

Assignment 1/src/test/ca/bcit/comp2526/MissingMajorTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   MissingMajorTests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE ,   ( byte ) 0x00 ,   ( byte ) 0x00   }));
        assertThat ( ex . getMessage (),  equalTo ( "Require 2 bytes to be available" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/TooLowMajorTests.java

Assignment 1/src/test/ca/bcit/comp2526/TooLowMajorTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   TooLowMajorTests
     extends   ClassFileTest
{
    @ Test
     public   void  majorTooLow1 ()
     {
         final   InvalidMajorVersionException  ex ;

        ex  =  assertThrows ( InvalidMajorVersionException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x2C   }));
        assertThat ( ex . getMessage (),  equalTo ( "Major number must be between 45 and 55, was: 44" ));
     }

    @ Test
     public   void  majorTooLow2 ()
     {
         final   InvalidMajorVersionException  ex ;

        ex  =  assertThrows ( InvalidMajorVersionException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x2B   }));
        assertThat ( ex . getMessage (),  equalTo ( "Major number must be between 45 and 55, was: 43" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/ClassFileTest.java

Assignment 1/src/test/ca/bcit/comp2526/ClassFileTest.java

package  ca . bcit . comp2526 ;

import  java . io . ByteArrayInputStream ;
import  java . io . DataInputStream ;
import  java . io . IOException ;

public   abstract   class   ClassFileTest
{
     protected   ClassFile  createClassFile ( final   byte []  bytes )
         throws   IOException ,
                NotEnoughDataException ,
                ClassFileException
     {
         try ( final   DataInputStream  stream  =   new   DataInputStream ( new   ByteArrayInputStream ( bytes )))
         {
             final   ClassFile  classFile ;

            classFile  =   new   ClassFile ( stream );

             return  classFile ;
         }
     }
}

Assignment 1/src/test/ca/bcit/comp2526/ShortMagic3Tests.java

Assignment 1/src/test/ca/bcit/comp2526/ShortMagic3Tests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   ShortMagic3Tests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   }));
        assertThat ( ex . getMessage (),  equalTo ( "Require 4 bytes to be available" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/BadMagicTests.java

Assignment 1/src/test/ca/bcit/comp2526/BadMagicTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . BeforeAll ;
import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   BadMagicTests
     extends   ClassFileTest
{
    @ Test
     public   void  badMagicNumber1 ()
     {
         final   InvalidMagicNumberException  ex ;

        ex  =  assertThrows ( InvalidMagicNumberException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBD   }));
        assertThat ( ex . getMessage (),  equalTo ( "Magic number must be 3405691582, was: 3405691581" ));
     }

    @ Test
     public   void  badMagicNumber2 ()
     {
         final   InvalidMagicNumberException  ex ;

        ex  =  assertThrows ( InvalidMagicNumberException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBC   }));
        assertThat ( ex . getMessage (),  equalTo ( "Magic number must be 3405691582, was: 3405691580" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/MissingMagicTests.java

Assignment 1/src/test/ca/bcit/comp2526/MissingMagicTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   MissingMagicTests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []{}));
        assertThat ( ex . getMessage (),  equalTo ( "Require 4 bytes to be available" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/TooHighMajorTests.java

Assignment 1/src/test/ca/bcit/comp2526/TooHighMajorTests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   TooHighMajorTests
     extends   ClassFileTest
{
    @ Test
     public   void  majorTooHigh1 ()
     {
         final   InvalidMajorVersionException  ex ;

        ex  =  assertThrows ( InvalidMajorVersionException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x38   }));
        assertThat ( ex . getMessage (),  equalTo ( "Major number must be between 45 and 55, was: 56" ));
     }
    @ Test
     public   void  majorTooHigh2 ()
     {
         final   InvalidMajorVersionException  ex ;

        ex  =  assertThrows ( InvalidMajorVersionException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE ,   ( byte ) 0xBA ,   ( byte ) 0xBE ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x00 ,   ( byte ) 0x39   }));
        assertThat ( ex . getMessage (),  equalTo ( "Major number must be between 45 and 55, was: 57" ));
     }
}

Assignment 1/src/test/ca/bcit/comp2526/ShortMagic2Tests.java

Assignment 1/src/test/ca/bcit/comp2526/ShortMagic2Tests.java

package  ca . bcit . comp2526 ;

import  org . junit . jupiter . api . Test ;
import  org . junit . jupiter . api . TestInstance ;

import  java . io . IOException ;

import   static  org . hamcrest . CoreMatchers . equalTo ;
import   static  org . hamcrest . MatcherAssert . assertThat ;
import   static  org . junit . jupiter . api . Assertions . * ;
import   static  org . junit . jupiter . api . Assertions . assertThrows ;

public   class   ShortMagic2Tests
     extends   ClassFileTest
{
    @ Test
     public   void  createClassFile ()
     {
         final   NotEnoughDataException  ex ;

        ex  =  assertThrows ( NotEnoughDataException . class ,   ()   ->  createClassFile ( new   byte []   {   ( byte ) 0xCA ,   ( byte ) 0xFE   }));
        assertThat ( ex . getMessage (),  equalTo ( "Require 4 bytes to be available" ));
     }
}

Assignment 1/src/main/ca/bcit/comp2526/StreamUtils.java

Assignment 1/src/main/ca/bcit/comp2526/StreamUtils.java

package  ca . bcit . comp2526 ;

import  java . io . DataInputStream ;
import  java . io . IOException ;
import  java . io . InputStream ;

public   final   class   StreamUtils
{
     private   StreamUtils ()
     {
         throw   new   IllegalStateException ( "Do not instantiate" );
     }

     // this has issues, but will do for now
     private   static   boolean  checkAvailable ( final   InputStream  stream ,
                                           final   int          required )
         throws   IOException
     {
         final   int  available ;

        available  =  stream . available ();

         return  available  >=  required ;
     }

     public   static   void  readBytes ( final   DataInputStream  stream ,
                                  final   byte []           bytes )
         throws   IOException ,
                NotEnoughDataException
     {
         if ( ! ( checkAvailable ( stream ,  bytes . length )))
         {
             throw   new   NotEnoughDataException ( bytes . length );
         }

        stream . readFully ( bytes );
     }

     public   static   byte  readByte ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         if ( ! ( checkAvailable ( stream ,   1 )))
         {
             throw   new   NotEnoughDataException ( 1 );
         }

         final   byte  value ;

        value  =  stream . readByte ();

         return  value ;
     }

     public   static   short  readUnsignedByte ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         final   byte   value ;
         final   short  unsigned ;

        value     =  readByte ( stream );
         // Why isn't there a Byte.toUnsignedShort?!
        unsigned  =   ( short ) Byte . toUnsignedInt ( value );

         return  unsigned ;
     }

     public   static   short  readShort ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         if ( ! ( checkAvailable ( stream ,   2 )))
         {
             throw   new   NotEnoughDataException ( 2 );
         }

         final   short  value ;

        value  =  stream . readShort ();

         return  value ;
     }

     public   static   int  readUnsignedShort ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         final   short  value ;
         final   int    unsigned ;

        value     =  readShort ( stream );
        unsigned  =   Short . toUnsignedInt ( value );

         return  unsigned ;
     }

     public   static   int  readInt ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         if ( ! ( checkAvailable ( stream ,   4 )))
         {
             throw   new   NotEnoughDataException ( 4 );
         }

         final   int  value ;

        value  =  stream . readInt ();

         return  value ;
     }

     public   static   long  readUnsignedInt ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         final   int  value ;
         final   long  unsigned ;

        value     =  readInt ( stream );
        unsigned  =   Integer . toUnsignedLong ( value );

         return  unsigned ;
     }

     public   static   float  readFloat ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         if ( ! ( checkAvailable ( stream ,   4 )))
         {
             throw   new   NotEnoughDataException ( 4 );
         }

         final   float  value ;

        value  =  stream . readFloat ();

         return  value ;
     }


     public   static   long  readLong ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         if ( ! ( checkAvailable ( stream ,   8 )))
         {
             throw   new   NotEnoughDataException ( 8 );
         }

         final   long  value ;

        value  =  stream . readLong ();

         return  value ;
     }

     public   static   double  readDouble ( final   DataInputStream  stream )
         throws   IOException ,
                NotEnoughDataException
     {
         if ( ! ( checkAvailable ( stream ,   8 )))
         {
             throw   new   NotEnoughDataException ( 8 );
         }

         final   double  value ;

        value  =  stream . readDouble ();

         return  value ;
     }
}

Assignment 1/src/main/ca/bcit/comp2526/.DS_Store

__MACOSX/Assignment 1/src/main/ca/bcit/comp2526/._.DS_Store

Assignment 1/src/main/ca/bcit/comp2526/InvalidMajorVersionException.java

Assignment 1/src/main/ca/bcit/comp2526/InvalidMajorVersionException.java

package  ca . bcit . comp2526 ;

public   class   InvalidMajorVersionException
     extends   ClassFileException
{
     public   InvalidMajorVersionException ( final   int  value )
     {
         super ( String . format ( "Major number must be between 45 and 55, was: %d" ,  value ));
     }
}

Assignment 1/src/main/ca/bcit/comp2526/ClassFile.java

Assignment 1/src/main/ca/bcit/comp2526/ClassFile.java

package  ca . bcit . comp2526 ;

import  java . io . DataInputStream ;
import  java . io . IOException ;

public   class   ClassFile
{
     public   static   final   int  MIN_MAJOR  =   45 ;
     public   static   final   int  MAX_MAJOR  =   55 ;

     public   ClassFile ( final   DataInputStream  stream )
             throws   NotEnoughDataException ,
             IOException ,
             InvalidMagicNumberException ,
             InvalidMajorVersionException
     {
         final   long  magic ;
//        final int minor;
         final   int  major ;

        magic  =   StreamUtils . readUnsignedInt ( stream );

         if ( magic  !=   0xCAFEBABEL )
         {
             throw   new   InvalidMagicNumberException ( magic );
         }

         /* minor = */   StreamUtils . readUnsignedShort ( stream );
        major  =   StreamUtils . readUnsignedShort ( stream );

         if ( major  <  MIN_MAJOR  ||  major  >  MAX_MAJOR )
         {
             throw   new   InvalidMajorVersionException ( major );
         }
     }
}

Assignment 1/src/main/ca/bcit/comp2526/NotEnoughDataException.java

Assignment 1/src/main/ca/bcit/comp2526/NotEnoughDataException.java

package  ca . bcit . comp2526 ;

public   class   NotEnoughDataException
     extends   Exception
{
     private   final   int  expected ;

     public   NotEnoughDataException ( final   int  expected )
     {
         super ( String . format ( "Require %d bytes to be available" ,  expected ));

         this . expected  =  expected ;
     }

     public   int  getExpected ()
     {
         return  expected ;
     }
}

Assignment 1/src/main/ca/bcit/comp2526/InvalidMagicNumberException.java

Assignment 1/src/main/ca/bcit/comp2526/InvalidMagicNumberException.java

package  ca . bcit . comp2526 ;

public   class   InvalidMagicNumberException
     extends   ClassFileException
{
     public   InvalidMagicNumberException ( final   long  value )
     {
         super ( String . format ( "Magic number must be 3405691582, was: %d" ,  value ));
     }
}

Assignment 1/src/main/ca/bcit/comp2526/ClassFileException.java

Assignment 1/src/main/ca/bcit/comp2526/ClassFileException.java

package  ca . bcit . comp2526 ;

public   class   ClassFileException
     extends   Exception
{
     public   ClassFileException ( final   String  msg )
     {
         super ( msg );
     }
}