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/*
* Copyright (c) 1998, 2011, 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 4167937
@ignore Test truncates system files when run as root, see 7042603
@summary Test code paths that use the JVM_LastErrorString procedure
*/
import java.io.IOException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.RandomAccessFile;
public class LastErrorString {
static String UNWRITEABLE_DIR;
static String UNREADABLE_FILE;
static String READABLE_FILE;
static String WRITEABLE_FILE;
static String INVALID_PATH;
static {
if (File.separatorChar == '/') {
UNWRITEABLE_DIR = "/etc/dfs";
UNREADABLE_FILE = "/etc/shadow";
} else if (File.separatorChar == '\\') {
UNREADABLE_FILE = "c:/pagefile.sys";
UNWRITEABLE_DIR = "z:/fooBAR/baz/GORP";
} else {
throw new RuntimeException("What kind of system is this?");
}
File d = new File(System.getProperty("test.src", "."));
READABLE_FILE = new File(d, "LastErrorString.java").getPath();
WRITEABLE_FILE = "x.LastErrorString";
String s = "foo/";
for (;;) {
s = s + s;
if (s.length() > 8192) break;
}
s += "bar";
INVALID_PATH = s;
}
abstract static class Test {
String name;
public Test(String name) {
this.name = name;
}
public abstract void run() throws IOException;
public void go() throws IOException {
try {
this.run();
} catch (IOException x) {
System.err.println(name);
System.err.println(" " + x);
return;
}
System.err.println("WARNING: No exception for " + name);
}
}
abstract static class ClosedFISTest extends Test {
FileInputStream in;
public ClosedFISTest(String name) {
super("FileInputStream." + name);
}
public void go() throws IOException {
this.in = new FileInputStream(READABLE_FILE);
this.in.close();
super.go();
}
}
abstract static class ClosedFOSTest extends Test {
FileOutputStream out;
public ClosedFOSTest(String name) {
super("FileOutputStream." + name);
}
public void go() throws IOException {
this.out = new FileOutputStream(WRITEABLE_FILE);
this.out.close();
super.go();
}
}
abstract static class ClosedRAFTest extends Test {
RandomAccessFile raf;
public ClosedRAFTest(String name) {
super("RandomAccessFile." + name);
}
public void go() throws IOException {
this.raf = new RandomAccessFile(WRITEABLE_FILE, "rw");
this.raf.close();
super.go();
}
}
abstract static class ReadOnlyRAFTest extends Test {
RandomAccessFile raf;
public ReadOnlyRAFTest(String name) {
super("RandomAccessFile." + name);
}
public void go() throws IOException {
this.raf = new RandomAccessFile(READABLE_FILE, "r");
super.go();
this.raf.close();
}
}
static void go() throws Exception {
new Test("File.createNewFile") {
public void run() throws IOException {
new File(UNWRITEABLE_DIR, "foo").createNewFile();
}}.go();
new Test("File.getCanonicalpath") {
public void run() throws IOException {
new File(INVALID_PATH).getCanonicalPath();
}}.go();
new Test("FileInputStream(file)") {
public void run() throws IOException {
new FileInputStream(UNREADABLE_FILE);
}}.go();
new Test("FileInputStream(dir)") {
public void run() throws IOException {
new FileInputStream(".");
}}.go();
new ClosedFISTest("read()") {
public void run() throws IOException {
in.read();
}}.go();
new ClosedFISTest("read(byte[])") {
public void run() throws IOException {
byte[] b = new byte[10];
in.read(b);
}}.go();
new ClosedFISTest("skip") {
public void run() throws IOException {
in.skip(10);
}}.go();
new ClosedFISTest("available") {
public void run() throws IOException {
in.available();
}}.go();
new Test("FileOutputStream") {
public void run() throws IOException {
new FileOutputStream(UNREADABLE_FILE);
}}.go();
new ClosedFOSTest("write()") {
public void run() throws IOException {
out.write(10);
}}.go();
new ClosedFOSTest("write(byte[])") {
public void run() throws IOException {
out.write(new byte[] { 1, 2, 3 });
}}.go();
new Test("RandomAccessFile") {
public void run() throws IOException {
new RandomAccessFile(UNREADABLE_FILE, "r");
}}.go();
new ClosedRAFTest("getFilePointer") {
public void run() throws IOException {
raf.getFilePointer();
}}.go();
new ClosedRAFTest("length") {
public void run() throws IOException {
raf.length();
}}.go();
new ClosedRAFTest("seek") {
public void run() throws IOException {
raf.seek(20);
}}.go();
new ClosedRAFTest("setLength") {
public void run() throws IOException {
raf.setLength(0);
}}.go();
new ClosedRAFTest("readShort") {
public void run() throws IOException {
raf.readShort();
}}.go();
new ClosedRAFTest("readInt") {
public void run() throws IOException {
raf.readInt();
}}.go();
new ReadOnlyRAFTest("writeShort") {
public void run() throws IOException {
raf.writeShort(10);
}}.go();
new ReadOnlyRAFTest("getFilePointer") {
public void run() throws IOException {
raf.writeInt(10);
}}.go();
}
public static void main(String[] args) throws Exception {
go();
}
}
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