/*
* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 4679743
* @summary Test parts of DeflaterInputStream code that don't really do I/O.
*/
import java.io.*;
import java.util.zip.*;
public class ConstructDeflaterInput {
static class MyDeflater extends Deflater {
private boolean ended = false;
boolean getEnded() { return ended; }
public void end() {
fail("MyDeflater had end() called");
super.end();
}
}
public static void realMain(String[] args) throws Throwable {
ByteArrayInputStream bais = new ByteArrayInputStream(
"hello, world".getBytes());
MyDeflater def = new MyDeflater();
DeflaterInputStream dis = null;
byte[] b = new byte[512];
// Check construction
//
try {
dis = new DeflaterInputStream(null);
fail();
} catch (NullPointerException ex) {
pass();
}
try {
dis = new DeflaterInputStream(bais, null);
fail();
} catch (NullPointerException ex) {
pass();
}
try {
dis = new DeflaterInputStream(bais, def, 0);
fail();
} catch (IllegalArgumentException ex) {
pass();
}
// Check sanity checks in read methods
//
dis = new DeflaterInputStream(bais, def);
try {
dis.read(null, 5, 2);
fail();
} catch (NullPointerException ex) {
pass();
}
try {
dis.read(b, -1, 0);
fail();
} catch (IndexOutOfBoundsException ex) {
pass();
}
try {
dis.read(b, 0, -1);
fail();
} catch (IndexOutOfBoundsException ex) {
pass();
}
try {
dis.read(b, 0, 600);
fail();
} catch (IndexOutOfBoundsException ex) {
pass();
}
int len = 0;
try {
len = dis.read(b, 0, 0);
check(len == 0);
} catch (IndexOutOfBoundsException ex) {
fail("Read of length 0 should return 0, but returned " + len);
}
try {
dis.skip(-1);
fail();
} catch (IllegalArgumentException ex) {
pass();
}
// Check unsupported operations
//
check(!dis.markSupported());
check(dis.available() == 1);
check(!def.getEnded());
try {
dis.reset();
fail();
} catch (IOException ex) {
pass();
}
// Check close
//
dis.close();
check(!def.getEnded());
try {
dis.available();
fail();
} catch (IOException ex) {
pass();
}
try {
int x = dis.read();
fail();
} catch (IOException ex) {
pass();
}
try {
dis.skip(1);
fail();
} catch (IOException ex) {
pass();
}
}
//--------------------- Infrastructure ---------------------------
static volatile int passed = 0, failed = 0;
static void pass() {passed++;}
static void fail() {failed++; Thread.dumpStack();}
static void fail(String msg) {System.out.println(msg); fail();}
static void unexpected(Throwable t) {failed++; t.printStackTrace();}
static void check(boolean cond) {if (cond) pass(); else fail();}
static void equal(Object x, Object y) {
if (x == null ? y == null : x.equals(y)) pass();
else fail(x + " not equal to " + y);}
public static void main(String[] args) throws Throwable {
try {realMain(args);} catch (Throwable t) {unexpected(t);}
System.out.println("\nPassed = " + passed + " failed = " + failed);
if (failed > 0) throw new AssertionError("Some tests failed");}
}