libjava/classpath/test/java.io/BufferedInputStreamTest.java - rust-lang/gcc - Git at Google

 /*************************************************************************
 /* BufferedInputStreamTest.java -- Tests BufferedInputStream's
 /*
 /* Copyright (c) 1998 Free Software Foundation, Inc.
 /* Written by Aaron M. Renn (arenn@urbanophile.com)
 /*
 /* This program is free software; you can redistribute it and/or modify
 /* it under the terms of the GNU General Public License as published
 /* by the Free Software Foundation, either version 2 of the License, or
 /* (at your option) any later version.
 /*
 /* This program is distributed in the hope that it will be useful, but
 /* WITHOUT ANY WARRANTY; without even the implied warranty of
 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 /* GNU General Public License for more details.
 /*
 /* You should have received a copy of the GNU General Public License
 /* along with this program; if not, write to the Free Software Foundation
 /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 /*************************************************************************/

 import java.io.*;

 public class BufferedInputStreamTest extends BufferedInputStream
 {

 public
 BufferedInputStreamTest(InputStream in, int size)
 {
   super(in, size);
 }

 public static int
 marktest(InputStream ins) throws IOException
 {
   BufferedInputStream bis = new BufferedInputStream(ins, 15);

   int bytes_read;
   int total_read = 0;
   byte[] buf = new byte[12];

   bytes_read = bis.read(buf);
   total_read += bytes_read;
   System.out.print(new String(buf, 0, bytes_read));

   bytes_read = bis.read(buf);
   total_read += bytes_read;
   System.out.print(new String(buf, 0, bytes_read));

   bis.mark(75);
   bis.read();
   bis.read(buf);
   bis.read(buf);
   bis.read(buf);
   bis.reset();

   bytes_read = bis.read(buf);
   total_read += bytes_read;
   System.out.print(new String(buf, 0, bytes_read));

   bis.mark(555);

   bytes_read = bis.read(buf);
   total_read += bytes_read;
   System.out.print(new String(buf, 0, bytes_read));

   bis.reset();

   bis.read(buf);
   bytes_read = bis.read(buf);
   total_read += bytes_read;
   System.out.print(new String(buf, 0, bytes_read));

   bytes_read = bis.read(buf);
   total_read += bytes_read;
   System.out.print(new String(buf, 0, bytes_read));

   bis.mark(14);

   bis.read(buf);

   bis.reset();

   bytes_read = bis.read(buf);
   total_read += bytes_read;
   System.out.print(new String(buf, 0, bytes_read));

   while ((bytes_read = bis.read(buf)) != -1)
     {
       System.out.print(new String(buf, 0, bytes_read));
       total_read += bytes_read;
     }

   return(total_read);
 }

 public static void
 main(String[] argv)
 {
   System.out.println("Started test of BufferedInputStream");

   try
     {
       System.out.println("Test 1: Protected Variables Test");

       String str = "This is a test line of text for this pass";

       StringBufferInputStream sbis = new StringBufferInputStream(str);
       BufferedInputStreamTest bist = new BufferedInputStreamTest(sbis, 12);

       bist.read();
       bist.mark(5);

       boolean passed = true;

       if (bist.buf.length != 12)
         {
           passed = false;
           System.out.println("buf.length is wrong.  Expected 12, but got " +
                              bist.buf.length);
         }
       if (bist.count != 12)
         {
           passed = false;
           System.out.println("count is wrong.  Expected 12, but got " +
                              bist.count);
         }
       if (bist.marklimit != 5)
         {
           passed = false;
           System.out.println("marklimit is wrong.  Expected 5, but got " +
                              bist.marklimit);
         }
       if (bist.markpos != 1)
         {
           passed = false;
           System.out.println("markpos is wrong.  Expected 5, but got " +
                              bist.markpos);
         }
       if (bist.pos != 1)
         {
           passed = false;
           System.out.println("pos is wrong.  Expected 1, but got " +
                              bist.pos);
         }

       if (passed)
         System.out.println("PASSED: Protected Variables Test");
       else
         System.out.println("FAILED: Protected Variables Test");
     }
   catch(IOException e)
     {
       System.out.println("FAILED: Protected Variables Test: " + e);
     }

   try
     {
       System.out.println("Test 2: Simple Read Test");

       String str = "One of my 8th grade teachers was Mr. Russell.\n" +
          "He used to start each year off by telling the class that the\n" +
          "earth was flat.  He did it to teach people to question\n" +
          "things they are told.  But everybody knew that he did it\n" +
          "so it lost its effect.\n";

       StringBufferInputStream sbis = new StringBufferInputStream(str);
       BufferedInputStream bis = new BufferedInputStream(sbis, 15);

       byte[] buf = new byte[12];
       int bytes_read;
       while((bytes_read = bis.read(buf)) != -1)
         System.out.print(new String(buf, 0, bytes_read));

       bis.close();
       System.out.println("PASSED: Simple Read Test");
     }
   catch (IOException e)
     {
       System.out.println("FAILED: Simple Read Test: " + e);
     }

   try
     {
       System.out.println("Test 3: First mark/reset Test");

       String str = "My 6th grade teacher was named Mrs. Hostetler.\n" +
         "She had a whole list of rules that you were supposed to follow\n" +
         "in class and if you broke a rule she would make you write the\n" +
         "rules out several times.  The number varied depending on what\n" +
         "rule you broke.  Since I knew I would get in trouble, I would\n" +
         "just go ahead and write out a few sets on the long school bus\n" +
         "ride home so that if had to stay in during recess and write\n" +
         "rules, five minutes later I could just tell the teacher I was\n" +
         "done so I could go outside and play kickball.\n";

       StringBufferInputStream sbis = new StringBufferInputStream(str);

       int total_read = marktest(sbis);

       if (total_read == str.length())
         System.out.println("PASSED: First mark/reset Test");
       else
         System.out.println("FAILED: First mark/reset Test");
     }
   catch (IOException e)
     {
       System.out.println("FAILED: First mark/reset Test: " + e);
     }

   try
     {
       System.out.println("Test 4: Second mark/reset Test");

       String str = "My first day of college was fun.  A bunch of us\n" +
          "got pretty drunk, then this guy named Rick Flake (I'm not\n" +
          "making that name up) took a piss in the bed of a Physical\n" +
          "Plant dept pickup truck.  Later on we were walking across\n" +
          "campus, saw a cop, and took off running for no reason.\n" +
          "When we got back to the dorm we found an even drunker guy\n" +
          "passed out in a shopping cart outside.\n";

       ByteArrayInputStream sbis = new ByteArrayInputStream(str.getBytes());

       int total_read = marktest(sbis);

       if (total_read == str.length())
         System.out.println("PASSED: Second mark/reset Test");
       else
         System.out.println("FAILED: Second mark/reset Test");
     }
   catch (IOException e)
     {
       System.out.println("FAILED: Second mark/reset Test: " + e);
     }

   System.out.println("Finished test of BufferedInputStream");
 } // main

 } // class BufferedInputStreamTest
	/*************************************************************************
	/* BufferedInputStreamTest.java -- Tests BufferedInputStream's
	/*
	/* Copyright (c) 1998 Free Software Foundation, Inc.
	/* Written by Aaron M. Renn (arenn@urbanophile.com)
	/*
	/* This program is free software; you can redistribute it and/or modify
	/* it under the terms of the GNU General Public License as published
	/* by the Free Software Foundation, either version 2 of the License, or
	/* (at your option) any later version.
	/*
	/* This program is distributed in the hope that it will be useful, but
	/* WITHOUT ANY WARRANTY; without even the implied warranty of
	/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	/* GNU General Public License for more details.
	/*
	/* You should have received a copy of the GNU General Public License
	/* along with this program; if not, write to the Free Software Foundation
	/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	/*************************************************************************/

	import java.io.*;

	public class BufferedInputStreamTest extends BufferedInputStream
	{

	public
	BufferedInputStreamTest(InputStream in, int size)
	{
	super(in, size);
	}

	public static int
	marktest(InputStream ins) throws IOException
	{
	BufferedInputStream bis = new BufferedInputStream(ins, 15);

	int bytes_read;
	int total_read = 0;
	byte[] buf = new byte[12];

	bytes_read = bis.read(buf);
	total_read += bytes_read;
	System.out.print(new String(buf, 0, bytes_read));

	bytes_read = bis.read(buf);
	total_read += bytes_read;
	System.out.print(new String(buf, 0, bytes_read));

	bis.mark(75);
	bis.read();
	bis.read(buf);
	bis.read(buf);
	bis.read(buf);
	bis.reset();

	bytes_read = bis.read(buf);
	total_read += bytes_read;
	System.out.print(new String(buf, 0, bytes_read));

	bis.mark(555);

	bytes_read = bis.read(buf);
	total_read += bytes_read;
	System.out.print(new String(buf, 0, bytes_read));

	bis.reset();

	bis.read(buf);
	bytes_read = bis.read(buf);
	total_read += bytes_read;
	System.out.print(new String(buf, 0, bytes_read));

	bytes_read = bis.read(buf);
	total_read += bytes_read;
	System.out.print(new String(buf, 0, bytes_read));

	bis.mark(14);

	bis.read(buf);

	bis.reset();

	bytes_read = bis.read(buf);
	total_read += bytes_read;
	System.out.print(new String(buf, 0, bytes_read));

	while ((bytes_read = bis.read(buf)) != -1)
	{
	System.out.print(new String(buf, 0, bytes_read));
	total_read += bytes_read;
	}

	return(total_read);
	}

	public static void
	main(String[] argv)
	{
	System.out.println("Started test of BufferedInputStream");

	try
	{
	System.out.println("Test 1: Protected Variables Test");

	String str = "This is a test line of text for this pass";

	StringBufferInputStream sbis = new StringBufferInputStream(str);
	BufferedInputStreamTest bist = new BufferedInputStreamTest(sbis, 12);

	bist.read();
	bist.mark(5);

	boolean passed = true;

	if (bist.buf.length != 12)
	{
	passed = false;
	System.out.println("buf.length is wrong. Expected 12, but got " +
	bist.buf.length);
	}
	if (bist.count != 12)
	{
	passed = false;
	System.out.println("count is wrong. Expected 12, but got " +
	bist.count);
	}
	if (bist.marklimit != 5)
	{
	passed = false;
	System.out.println("marklimit is wrong. Expected 5, but got " +
	bist.marklimit);
	}
	if (bist.markpos != 1)
	{
	passed = false;
	System.out.println("markpos is wrong. Expected 5, but got " +
	bist.markpos);
	}
	if (bist.pos != 1)
	{
	passed = false;
	System.out.println("pos is wrong. Expected 1, but got " +
	bist.pos);
	}

	if (passed)
	System.out.println("PASSED: Protected Variables Test");
	else
	System.out.println("FAILED: Protected Variables Test");
	}
	catch(IOException e)
	{
	System.out.println("FAILED: Protected Variables Test: " + e);
	}

	try
	{
	System.out.println("Test 2: Simple Read Test");

	String str = "One of my 8th grade teachers was Mr. Russell.\n" +
	"He used to start each year off by telling the class that the\n" +
	"earth was flat. He did it to teach people to question\n" +
	"things they are told. But everybody knew that he did it\n" +
	"so it lost its effect.\n";

	StringBufferInputStream sbis = new StringBufferInputStream(str);
	BufferedInputStream bis = new BufferedInputStream(sbis, 15);

	byte[] buf = new byte[12];
	int bytes_read;
	while((bytes_read = bis.read(buf)) != -1)
	System.out.print(new String(buf, 0, bytes_read));

	bis.close();
	System.out.println("PASSED: Simple Read Test");
	}
	catch (IOException e)
	{
	System.out.println("FAILED: Simple Read Test: " + e);
	}

	try
	{
	System.out.println("Test 3: First mark/reset Test");

	String str = "My 6th grade teacher was named Mrs. Hostetler.\n" +
	"She had a whole list of rules that you were supposed to follow\n" +
	"in class and if you broke a rule she would make you write the\n" +
	"rules out several times. The number varied depending on what\n" +
	"rule you broke. Since I knew I would get in trouble, I would\n" +
	"just go ahead and write out a few sets on the long school bus\n" +
	"ride home so that if had to stay in during recess and write\n" +
	"rules, five minutes later I could just tell the teacher I was\n" +
	"done so I could go outside and play kickball.\n";

	StringBufferInputStream sbis = new StringBufferInputStream(str);

	int total_read = marktest(sbis);

	if (total_read == str.length())
	System.out.println("PASSED: First mark/reset Test");
	else
	System.out.println("FAILED: First mark/reset Test");
	}
	catch (IOException e)
	{
	System.out.println("FAILED: First mark/reset Test: " + e);
	}

	try
	{
	System.out.println("Test 4: Second mark/reset Test");

	String str = "My first day of college was fun. A bunch of us\n" +
	"got pretty drunk, then this guy named Rick Flake (I'm not\n" +
	"making that name up) took a piss in the bed of a Physical\n" +
	"Plant dept pickup truck. Later on we were walking across\n" +
	"campus, saw a cop, and took off running for no reason.\n" +
	"When we got back to the dorm we found an even drunker guy\n" +
	"passed out in a shopping cart outside.\n";

	ByteArrayInputStream sbis = new ByteArrayInputStream(str.getBytes());

	int total_read = marktest(sbis);

	if (total_read == str.length())
	System.out.println("PASSED: Second mark/reset Test");
	else
	System.out.println("FAILED: Second mark/reset Test");
	}
	catch (IOException e)
	{
	System.out.println("FAILED: Second mark/reset Test: " + e);
	}

	System.out.println("Finished test of BufferedInputStream");
	} // main

	} // class BufferedInputStreamTest