Initial revision

From-SVN: r102074

1 files changed, 241 insertions, 0 deletions

diff --git a/libjava/classpath/test/java.io/BufferedInputStreamTest.java b/libjava/classpath/test/java.io/BufferedInputStreamTest.java
new file mode 100644
index 0000000..c7d73e3
--- /dev/null
+++ b/libjava/classpath/test/java.io/BufferedInputStreamTest.java
@@ -0,0 +1,241 @@
+/*************************************************************************
+/* 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
+