android-platform-libcore/luni/src/test/java/org/apache/harmony/archive/tests/java/util/zip/InflaterInputStreamTest.java - nest-cam/4320010/android-platform-libcore - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.apache.harmony.archive.tests.java.util.zip;

 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.EOFException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.util.zip.DeflaterOutputStream;
 import java.util.zip.Inflater;
 import java.util.zip.InflaterInputStream;

 import junit.framework.TestCase;
 import tests.support.resource.Support_Resources;

 public class InflaterInputStreamTest extends TestCase {

 	// files hyts_constru(O),hyts_constru(OD),hyts_constru(ODI) needs to be
 	// included as resources
         // android-changed: we removed the parentheses for the benefit of our broken build system.
 	byte outPutBuf[] = new byte[500];

 	class MyInflaterInputStream extends InflaterInputStream {
 		MyInflaterInputStream(InputStream in) {
 			super(in);
 		}

 		MyInflaterInputStream(InputStream in, Inflater infl) {
 			super(in, infl);
 		}

 		MyInflaterInputStream(InputStream in, Inflater infl, int size) {
 			super(in, infl, size);
 		}

 		void myFill() throws IOException {
 			fill();
 		}
 	}

 	/**
 	 * @tests java.util.zip.InflaterInputStream#InflaterInputStream(java.io.InputStream)
 	 */
 	public void test_ConstructorLjava_io_InputStream() throws IOException {
 	    //FIXME This test doesn't pass in Harmony classlib or Sun 5.0_7 RI
         /*
 		int result = 0;
 		int buffer[] = new int[500];
 		InputStream infile = Support_Resources
 				.getStream("hyts_constru_O.txt"); // android-changed

 		InflaterInputStream inflatIP = new InflaterInputStream(infile);

 		int i = 0;
 		while ((result = inflatIP.read()) != -1) {
 			buffer[i] = result;
 			i++;
 		}
 		inflatIP.close();
         */
 	}

 	/**
 	 * @tests java.util.zip.InflaterInputStream#InflaterInputStream(java.io.InputStream,
 	 *        java.util.zip.Inflater)
 	 */
 	public void test_ConstructorLjava_io_InputStreamLjava_util_zip_Inflater() throws IOException {
 		byte byteArray[] = new byte[100];
 		InputStream infile = Support_Resources.getStream("hyts_constru_OD.txt"); // android-changed
 		Inflater inflate = new Inflater();
 		InflaterInputStream inflatIP = new InflaterInputStream(infile,
 				inflate);

 		inflatIP.read(byteArray, 0, 5);// only suppose to read in 5 bytes
 		inflatIP.close();
 	}

 	/**
 	 * @tests java.util.zip.InflaterInputStream#InflaterInputStream(java.io.InputStream,
 	 *        java.util.zip.Inflater, int)
 	 */
 	public void test_ConstructorLjava_io_InputStreamLjava_util_zip_InflaterI() throws IOException {
 		int result = 0;
 		int buffer[] = new int[500];
 		InputStream infile = Support_Resources.getStream("hyts_constru_ODI.txt"); // android-changed
 		Inflater inflate = new Inflater();
 		InflaterInputStream inflatIP = new InflaterInputStream(infile,
 				inflate, 1);

 		int i = 0;
 		while ((result = inflatIP.read()) != -1) {
 			buffer[i] = result;
 			i++;
 		}
 		inflatIP.close();
 	}

     /**
      * @tests java.util.zip.InflaterInputStream#mark(int)
      */
     public void test_markI() {
         InputStream is = new ByteArrayInputStream(new byte[10]);
         InflaterInputStream iis = new InflaterInputStream(is);
         // mark do nothing, do no check
         iis.mark(0);
         iis.mark(-1);
         iis.mark(10000000);
     }

     /**
      * @tests java.util.zip.InflaterInputStream#markSupported()
      */
     public void test_markSupported() {
         InputStream is = new ByteArrayInputStream(new byte[10]);
         InflaterInputStream iis = new InflaterInputStream(is);
         assertFalse(iis.markSupported());
         assertTrue(is.markSupported());
     }

 	/**
      * @tests java.util.zip.InflaterInputStream#read()
      */
 	public void test_read() throws IOException {
 		int result = 0;
 		int buffer[] = new int[500];
 		byte orgBuffer[] = { 1, 3, 4, 7, 8 };
 		InputStream infile = Support_Resources
 				.getStream("hyts_constru_OD.txt"); // android-changed
 		Inflater inflate = new Inflater();
 		InflaterInputStream inflatIP = new InflaterInputStream(infile,
 				inflate);

 		int i = 0;
 		while ((result = inflatIP.read()) != -1) {
 			buffer[i] = result;
 			i++;
 		}
 		inflatIP.close();

 		for (int j = 0; j < orgBuffer.length; j++) {
 			assertTrue(
 				"original compressed data did not equal decompressed data",
 				buffer[j] == orgBuffer[j]);
 		}
 	}

     public void testAvailableNonEmptySource() throws Exception {
         // this byte[] is a deflation of these bytes: { 1, 3, 4, 6 }
         byte[] deflated = { 72, -119, 99, 100, 102, 97, 3, 0, 0, 31, 0, 15, 0 };
         InputStream in = new InflaterInputStream(new ByteArrayInputStream(deflated));
         // InflaterInputStream.available() returns either 1 or 0, even though
         // that contradicts the behavior defined in InputStream.available()
         assertEquals(1, in.read());
         assertEquals(1, in.available());
         assertEquals(3, in.read());
         assertEquals(1, in.available());
         assertEquals(4, in.read());
         assertEquals(1, in.available());
         assertEquals(6, in.read());
         assertEquals(0, in.available());
         assertEquals(-1, in.read());
         assertEquals(-1, in.read());
     }

     public void testAvailableSkip() throws Exception {
         // this byte[] is a deflation of these bytes: { 1, 3, 4, 6 }
         byte[] deflated = { 72, -119, 99, 100, 102, 97, 3, 0, 0, 31, 0, 15, 0 };
         InputStream in = new InflaterInputStream(new ByteArrayInputStream(deflated));
         assertEquals(1, in.available());
         assertEquals(4, in.skip(4));
         assertEquals(0, in.available());
     }

     public void testAvailableEmptySource() throws Exception {
         // this byte[] is a deflation of the empty file
         byte[] deflated = { 120, -100, 3, 0, 0, 0, 0, 1 };
         InputStream in = new InflaterInputStream(new ByteArrayInputStream(deflated));
         assertEquals(-1, in.read());
         assertEquals(-1, in.read());
         assertEquals(0, in.available());
     }

 	/**
 	 * @tests java.util.zip.InflaterInputStream#read(byte[], int, int)
 	 */
 	public void test_read$BII() throws IOException{
         byte[] test = new byte[507];
         for (int i = 0; i < 256; i++) {
             test[i] = (byte) i;
         }
         for (int i = 256; i < test.length; i++) {
             test[i] = (byte) (256 - i);
         }
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         DeflaterOutputStream dos = new DeflaterOutputStream(baos);
         dos.write(test);
         dos.close();
         InputStream is = new ByteArrayInputStream(baos.toByteArray());
         InflaterInputStream iis = new InflaterInputStream(is);
         byte[] outBuf = new byte[530];
         int result = 0;
         while (true) {
             result = iis.read(outBuf, 0, 5);
             if (result == -1) {
                 //"EOF was reached";
                 break;
             }
         }
         try {
             iis.read(outBuf, -1, 10);
             fail("should throw IOOBE.");
         } catch (IndexOutOfBoundsException e) {
             // expected;
         }
 	}

     public void test_read$BII2() throws IOException {
         File resources = Support_Resources.createTempFolder();
         Support_Resources.copyFile(resources, null, "Broken_manifest.jar");
         FileInputStream fis = new FileInputStream(new File(resources,
                 "Broken_manifest.jar"));
         InflaterInputStream iis = new InflaterInputStream(fis);
         byte[] outBuf = new byte[530];

         iis.close();
         try {
             iis.read(outBuf, 0, 5);
             fail("IOException expected");
         } catch (IOException ee) {
             // expected.
         }
     }

     public void test_read$BII3() throws IOException {
         File resources = Support_Resources.createTempFolder();
         Support_Resources.copyFile(resources, null, "Broken_manifest.jar");
         FileInputStream fis = new FileInputStream(new File(resources,
                 "Broken_manifest.jar"));
         InflaterInputStream iis = new InflaterInputStream(fis);
         byte[] outBuf = new byte[530];

         try {
             iis.read();
             fail("IOException expected.");
         } catch (IOException ee) {
             // expected
         }
     }

     /**
      * @tests java.util.zip.InflaterInputStream#reset()
      */
     public void test_reset() {
         InputStream is = new ByteArrayInputStream(new byte[10]);
         InflaterInputStream iis = new InflaterInputStream(is);
         try {
             iis.reset();
             fail("Should throw IOException");
         } catch (IOException e) {
             // correct
         }
     }

 	/**
 	 * @tests java.util.zip.InflaterInputStream#skip(long)
 	 */
 	public void test_skipJ() throws IOException {
 		InputStream is = Support_Resources.getStream("hyts_available.tst");
 		InflaterInputStream iis = new InflaterInputStream(is);

 		// Tests for skipping a negative number of bytes.
 		try {
 			iis.skip(-3);
 			fail("IllegalArgumentException not thrown");
 		} catch (IllegalArgumentException e) {
             // Expected
 		}
 		assertEquals("Incorrect Byte Returned.", 5, iis.read());

 		try {
 			iis.skip(Integer.MIN_VALUE);
 			fail("IllegalArgumentException not thrown");
 		} catch (IllegalArgumentException e) {
             // Expected
 		}
 		assertEquals("Incorrect Byte Returned.", 4, iis.read());

 		// Test to make sure the correct number of bytes were skipped
 		assertEquals("Incorrect Number Of Bytes Skipped.", 3, iis.skip(3));

 		// Test to see if the number of bytes skipped returned is true.
 		assertEquals("Incorrect Byte Returned.", 7, iis.read());

 		assertEquals("Incorrect Number Of Bytes Skipped.", 0, iis.skip(0));
 		assertEquals("Incorrect Byte Returned.", 0, iis.read());

 		// Test for skipping more bytes than available in the stream
 		assertEquals("Incorrect Number Of Bytes Skipped.", 2, iis.skip(4));
 		assertEquals("Incorrect Byte Returned.", -1, iis.read());
 		iis.close();
 	}

 	/**
 	 * @tests java.util.zip.InflaterInputStream#skip(long)
 	 */
 	public void test_skipJ2() throws IOException {
 		int result = 0;
 		int buffer[] = new int[100];
 		byte orgBuffer[] = { 1, 3, 4, 7, 8 };

         // testing for negative input to skip
 		InputStream infile = Support_Resources
 				.getStream("hyts_constru_OD.txt"); // android-changed
 		Inflater inflate = new Inflater();
 		InflaterInputStream inflatIP = new InflaterInputStream(infile,
 				inflate, 10);
 		long skip;
 		try {
 			skip = inflatIP.skip(Integer.MIN_VALUE);
 			fail("Expected IllegalArgumentException when skip() is called with negative parameter");
 		} catch (IllegalArgumentException e) {
             // Expected
 		}
 		inflatIP.close();

 		// testing for number of bytes greater than input.
 		InputStream infile2 = Support_Resources
 				.getStream("hyts_constru_OD.txt"); // android-changed
 		InflaterInputStream inflatIP2 = new InflaterInputStream(infile2);

 		// looked at how many bytes the skip skipped. It is
 		// 5 and its supposed to be the entire input stream.

 		skip = inflatIP2.skip(Integer.MAX_VALUE);
 		// System.out.println(skip);
 		assertEquals("method skip() returned wrong number of bytes skipped",
 				5, skip);

 		// test for skipping of 2 bytes
 		InputStream infile3 = Support_Resources
 				.getStream("hyts_constru_OD.txt"); // android-changed
 		InflaterInputStream inflatIP3 = new InflaterInputStream(infile3);
 		skip = inflatIP3.skip(2);
 		assertEquals("the number of bytes returned by skip did not correspond with its input parameters",
 				2, skip);
 		int i = 0;
 		result = 0;
 		while ((result = inflatIP3.read()) != -1) {
 			buffer[i] = result;
 			i++;
 		}
 		inflatIP2.close();

 		for (int j = 2; j < orgBuffer.length; j++) {
 			assertTrue(
 				"original compressed data did not equal decompressed data",
 				buffer[j - 2] == orgBuffer[j]);
 		}
 	}

 	/**
 	 * @tests java.util.zip.InflaterInputStream#available()
 	 */
 	public void test_available() throws IOException {
 		InputStream is = Support_Resources.getStream("hyts_available.tst");
 		InflaterInputStream iis = new InflaterInputStream(is);

         int available;
         for (int i = 0; i < 11; i++) {
             iis.read();
             available = iis.available();
             if (available == 0) {
                 assertEquals("Expected no more bytes to read", -1, iis.read());
             } else {
                 assertEquals("Bytes Available Should Return 1.", 1, available);
             }
         }

 		iis.close();
 		try {
 			iis.available();
 			fail("available after close should throw IOException.");
 		} catch (IOException e) {
             // Expected
 		}
 	}

 	/**
 	 * @tests java.util.zip.InflaterInputStream#close()
 	 */
 	public void test_close() throws IOException {
 		InflaterInputStream iin = new InflaterInputStream(
 				new ByteArrayInputStream(new byte[0]));
 		iin.close();

         // test for exception
 		iin.close();
 	}
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package org.apache.harmony.archive.tests.java.util.zip;

	import java.io.ByteArrayInputStream;
	import java.io.ByteArrayOutputStream;
	import java.io.EOFException;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.File;
	import java.io.FileInputStream;
	import java.util.zip.DeflaterOutputStream;
	import java.util.zip.Inflater;
	import java.util.zip.InflaterInputStream;

	import junit.framework.TestCase;
	import tests.support.resource.Support_Resources;

	public class InflaterInputStreamTest extends TestCase {

	// files hyts_constru(O),hyts_constru(OD),hyts_constru(ODI) needs to be
	// included as resources
	// android-changed: we removed the parentheses for the benefit of our broken build system.
	byte outPutBuf[] = new byte[500];

	class MyInflaterInputStream extends InflaterInputStream {
	MyInflaterInputStream(InputStream in) {
	super(in);
	}

	MyInflaterInputStream(InputStream in, Inflater infl) {
	super(in, infl);
	}

	MyInflaterInputStream(InputStream in, Inflater infl, int size) {
	super(in, infl, size);
	}

	void myFill() throws IOException {
	fill();
	}
	}

	/**
	* @tests java.util.zip.InflaterInputStream#InflaterInputStream(java.io.InputStream)
	*/
	public void test_ConstructorLjava_io_InputStream() throws IOException {
	//FIXME This test doesn't pass in Harmony classlib or Sun 5.0_7 RI
	/*
	int result = 0;
	int buffer[] = new int[500];
	InputStream infile = Support_Resources
	.getStream("hyts_constru_O.txt"); // android-changed

	InflaterInputStream inflatIP = new InflaterInputStream(infile);

	int i = 0;
	while ((result = inflatIP.read()) != -1) {
	buffer[i] = result;
	i++;
	}
	inflatIP.close();
	*/
	}

	/**
	* @tests java.util.zip.InflaterInputStream#InflaterInputStream(java.io.InputStream,
	* java.util.zip.Inflater)
	*/
	public void test_ConstructorLjava_io_InputStreamLjava_util_zip_Inflater() throws IOException {
	byte byteArray[] = new byte[100];
	InputStream infile = Support_Resources.getStream("hyts_constru_OD.txt"); // android-changed
	Inflater inflate = new Inflater();
	InflaterInputStream inflatIP = new InflaterInputStream(infile,
	inflate);

	inflatIP.read(byteArray, 0, 5);// only suppose to read in 5 bytes
	inflatIP.close();
	}

	/**
	* @tests java.util.zip.InflaterInputStream#InflaterInputStream(java.io.InputStream,
	* java.util.zip.Inflater, int)
	*/
	public void test_ConstructorLjava_io_InputStreamLjava_util_zip_InflaterI() throws IOException {
	int result = 0;
	int buffer[] = new int[500];
	InputStream infile = Support_Resources.getStream("hyts_constru_ODI.txt"); // android-changed
	Inflater inflate = new Inflater();
	InflaterInputStream inflatIP = new InflaterInputStream(infile,
	inflate, 1);

	int i = 0;
	while ((result = inflatIP.read()) != -1) {
	buffer[i] = result;
	i++;
	}
	inflatIP.close();
	}

	/**
	* @tests java.util.zip.InflaterInputStream#mark(int)
	*/
	public void test_markI() {
	InputStream is = new ByteArrayInputStream(new byte[10]);
	InflaterInputStream iis = new InflaterInputStream(is);
	// mark do nothing, do no check
	iis.mark(0);
	iis.mark(-1);
	iis.mark(10000000);
	}

	/**
	* @tests java.util.zip.InflaterInputStream#markSupported()
	*/
	public void test_markSupported() {
	InputStream is = new ByteArrayInputStream(new byte[10]);
	InflaterInputStream iis = new InflaterInputStream(is);
	assertFalse(iis.markSupported());
	assertTrue(is.markSupported());
	}

	/**
	* @tests java.util.zip.InflaterInputStream#read()
	*/
	public void test_read() throws IOException {
	int result = 0;
	int buffer[] = new int[500];
	byte orgBuffer[] = { 1, 3, 4, 7, 8 };
	InputStream infile = Support_Resources
	.getStream("hyts_constru_OD.txt"); // android-changed
	Inflater inflate = new Inflater();
	InflaterInputStream inflatIP = new InflaterInputStream(infile,
	inflate);

	int i = 0;
	while ((result = inflatIP.read()) != -1) {
	buffer[i] = result;
	i++;
	}
	inflatIP.close();

	for (int j = 0; j < orgBuffer.length; j++) {
	assertTrue(
	"original compressed data did not equal decompressed data",
	buffer[j] == orgBuffer[j]);
	}
	}

	public void testAvailableNonEmptySource() throws Exception {
	// this byte[] is a deflation of these bytes: { 1, 3, 4, 6 }
	byte[] deflated = { 72, -119, 99, 100, 102, 97, 3, 0, 0, 31, 0, 15, 0 };
	InputStream in = new InflaterInputStream(new ByteArrayInputStream(deflated));
	// InflaterInputStream.available() returns either 1 or 0, even though
	// that contradicts the behavior defined in InputStream.available()
	assertEquals(1, in.read());
	assertEquals(1, in.available());
	assertEquals(3, in.read());
	assertEquals(1, in.available());
	assertEquals(4, in.read());
	assertEquals(1, in.available());
	assertEquals(6, in.read());
	assertEquals(0, in.available());
	assertEquals(-1, in.read());
	assertEquals(-1, in.read());
	}

	public void testAvailableSkip() throws Exception {
	// this byte[] is a deflation of these bytes: { 1, 3, 4, 6 }
	byte[] deflated = { 72, -119, 99, 100, 102, 97, 3, 0, 0, 31, 0, 15, 0 };
	InputStream in = new InflaterInputStream(new ByteArrayInputStream(deflated));
	assertEquals(1, in.available());
	assertEquals(4, in.skip(4));
	assertEquals(0, in.available());
	}

	public void testAvailableEmptySource() throws Exception {
	// this byte[] is a deflation of the empty file
	byte[] deflated = { 120, -100, 3, 0, 0, 0, 0, 1 };
	InputStream in = new InflaterInputStream(new ByteArrayInputStream(deflated));
	assertEquals(-1, in.read());
	assertEquals(-1, in.read());
	assertEquals(0, in.available());
	}

	/**
	* @tests java.util.zip.InflaterInputStream#read(byte[], int, int)
	*/
	public void test_read$BII() throws IOException{
	byte[] test = new byte[507];
	for (int i = 0; i < 256; i++) {
	test[i] = (byte) i;
	}
	for (int i = 256; i < test.length; i++) {
	test[i] = (byte) (256 - i);
	}
	ByteArrayOutputStream baos = new ByteArrayOutputStream();
	DeflaterOutputStream dos = new DeflaterOutputStream(baos);
	dos.write(test);
	dos.close();
	InputStream is = new ByteArrayInputStream(baos.toByteArray());
	InflaterInputStream iis = new InflaterInputStream(is);
	byte[] outBuf = new byte[530];
	int result = 0;
	while (true) {
	result = iis.read(outBuf, 0, 5);
	if (result == -1) {
	//"EOF was reached";
	break;
	}
	}
	try {
	iis.read(outBuf, -1, 10);
	fail("should throw IOOBE.");
	} catch (IndexOutOfBoundsException e) {
	// expected;
	}
	}

	public void test_read$BII2() throws IOException {
	File resources = Support_Resources.createTempFolder();
	Support_Resources.copyFile(resources, null, "Broken_manifest.jar");
	FileInputStream fis = new FileInputStream(new File(resources,
	"Broken_manifest.jar"));
	InflaterInputStream iis = new InflaterInputStream(fis);
	byte[] outBuf = new byte[530];

	iis.close();
	try {
	iis.read(outBuf, 0, 5);
	fail("IOException expected");
	} catch (IOException ee) {
	// expected.
	}
	}

	public void test_read$BII3() throws IOException {
	File resources = Support_Resources.createTempFolder();
	Support_Resources.copyFile(resources, null, "Broken_manifest.jar");
	FileInputStream fis = new FileInputStream(new File(resources,
	"Broken_manifest.jar"));
	InflaterInputStream iis = new InflaterInputStream(fis);
	byte[] outBuf = new byte[530];

	try {
	iis.read();
	fail("IOException expected.");
	} catch (IOException ee) {
	// expected
	}
	}

	/**
	* @tests java.util.zip.InflaterInputStream#reset()
	*/
	public void test_reset() {
	InputStream is = new ByteArrayInputStream(new byte[10]);
	InflaterInputStream iis = new InflaterInputStream(is);
	try {
	iis.reset();
	fail("Should throw IOException");
	} catch (IOException e) {
	// correct
	}
	}

	/**
	* @tests java.util.zip.InflaterInputStream#skip(long)
	*/
	public void test_skipJ() throws IOException {
	InputStream is = Support_Resources.getStream("hyts_available.tst");
	InflaterInputStream iis = new InflaterInputStream(is);

	// Tests for skipping a negative number of bytes.
	try {
	iis.skip(-3);
	fail("IllegalArgumentException not thrown");
	} catch (IllegalArgumentException e) {
	// Expected
	}
	assertEquals("Incorrect Byte Returned.", 5, iis.read());

	try {
	iis.skip(Integer.MIN_VALUE);
	fail("IllegalArgumentException not thrown");
	} catch (IllegalArgumentException e) {
	// Expected
	}
	assertEquals("Incorrect Byte Returned.", 4, iis.read());

	// Test to make sure the correct number of bytes were skipped
	assertEquals("Incorrect Number Of Bytes Skipped.", 3, iis.skip(3));

	// Test to see if the number of bytes skipped returned is true.
	assertEquals("Incorrect Byte Returned.", 7, iis.read());

	assertEquals("Incorrect Number Of Bytes Skipped.", 0, iis.skip(0));
	assertEquals("Incorrect Byte Returned.", 0, iis.read());

	// Test for skipping more bytes than available in the stream
	assertEquals("Incorrect Number Of Bytes Skipped.", 2, iis.skip(4));
	assertEquals("Incorrect Byte Returned.", -1, iis.read());
	iis.close();
	}

	/**
	* @tests java.util.zip.InflaterInputStream#skip(long)
	*/
	public void test_skipJ2() throws IOException {
	int result = 0;
	int buffer[] = new int[100];
	byte orgBuffer[] = { 1, 3, 4, 7, 8 };

	// testing for negative input to skip
	InputStream infile = Support_Resources
	.getStream("hyts_constru_OD.txt"); // android-changed
	Inflater inflate = new Inflater();
	InflaterInputStream inflatIP = new InflaterInputStream(infile,
	inflate, 10);
	long skip;
	try {
	skip = inflatIP.skip(Integer.MIN_VALUE);
	fail("Expected IllegalArgumentException when skip() is called with negative parameter");
	} catch (IllegalArgumentException e) {
	// Expected
	}
	inflatIP.close();

	// testing for number of bytes greater than input.
	InputStream infile2 = Support_Resources
	.getStream("hyts_constru_OD.txt"); // android-changed
	InflaterInputStream inflatIP2 = new InflaterInputStream(infile2);

	// looked at how many bytes the skip skipped. It is
	// 5 and its supposed to be the entire input stream.

	skip = inflatIP2.skip(Integer.MAX_VALUE);
	// System.out.println(skip);
	assertEquals("method skip() returned wrong number of bytes skipped",
	5, skip);

	// test for skipping of 2 bytes
	InputStream infile3 = Support_Resources
	.getStream("hyts_constru_OD.txt"); // android-changed
	InflaterInputStream inflatIP3 = new InflaterInputStream(infile3);
	skip = inflatIP3.skip(2);
	assertEquals("the number of bytes returned by skip did not correspond with its input parameters",
	2, skip);
	int i = 0;
	result = 0;
	while ((result = inflatIP3.read()) != -1) {
	buffer[i] = result;
	i++;
	}
	inflatIP2.close();

	for (int j = 2; j < orgBuffer.length; j++) {
	assertTrue(
	"original compressed data did not equal decompressed data",
	buffer[j - 2] == orgBuffer[j]);
	}
	}

	/**
	* @tests java.util.zip.InflaterInputStream#available()
	*/
	public void test_available() throws IOException {
	InputStream is = Support_Resources.getStream("hyts_available.tst");
	InflaterInputStream iis = new InflaterInputStream(is);

	int available;
	for (int i = 0; i < 11; i++) {
	iis.read();
	available = iis.available();
	if (available == 0) {
	assertEquals("Expected no more bytes to read", -1, iis.read());
	} else {
	assertEquals("Bytes Available Should Return 1.", 1, available);
	}
	}

	iis.close();
	try {
	iis.available();
	fail("available after close should throw IOException.");
	} catch (IOException e) {
	// Expected
	}
	}

	/**
	* @tests java.util.zip.InflaterInputStream#close()
	*/
	public void test_close() throws IOException {
	InflaterInputStream iin = new InflaterInputStream(
	new ByteArrayInputStream(new byte[0]));
	iin.close();

	// test for exception
	iin.close();
	}
	}