undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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266
test/jdk/java/io/IOException/LastErrorString.java
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266
test/jdk/java/io/IOException/LastErrorString.java
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/*
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* Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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@bug 4167937
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@ignore 7042603 - Test truncates system files when run as root
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@summary Test code paths that use the JVM_LastErrorString procedure
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*/
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import java.io.IOException;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.RandomAccessFile;
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public class LastErrorString {
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static String UNWRITEABLE_DIR;
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static String UNREADABLE_FILE;
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static String READABLE_FILE;
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static String WRITEABLE_FILE;
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static String INVALID_PATH;
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static {
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if (File.separatorChar == '/') {
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UNWRITEABLE_DIR = "/etc/dfs";
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UNREADABLE_FILE = "/etc/shadow";
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} else if (File.separatorChar == '\\') {
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UNREADABLE_FILE = "c:/pagefile.sys";
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UNWRITEABLE_DIR = "z:/fooBAR/baz/GORP";
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} else {
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throw new RuntimeException("What kind of system is this?");
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}
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File d = new File(System.getProperty("test.src", "."));
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READABLE_FILE = new File(d, "LastErrorString.java").getPath();
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WRITEABLE_FILE = "x.LastErrorString";
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String s = "foo/";
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for (;;) {
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s = s + s;
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if (s.length() > 8192) break;
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}
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s += "bar";
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INVALID_PATH = s;
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}
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abstract static class Test {
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String name;
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public Test(String name) {
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this.name = name;
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}
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public abstract void run() throws IOException;
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public void go() throws IOException {
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try {
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this.run();
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} catch (IOException x) {
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System.err.println(name);
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System.err.println(" " + x);
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return;
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}
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System.err.println("WARNING: No exception for " + name);
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}
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}
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abstract static class ClosedFISTest extends Test {
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FileInputStream in;
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public ClosedFISTest(String name) {
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super("FileInputStream." + name);
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}
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public void go() throws IOException {
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this.in = new FileInputStream(READABLE_FILE);
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this.in.close();
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super.go();
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}
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}
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abstract static class ClosedFOSTest extends Test {
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FileOutputStream out;
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public ClosedFOSTest(String name) {
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super("FileOutputStream." + name);
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}
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public void go() throws IOException {
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this.out = new FileOutputStream(WRITEABLE_FILE);
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this.out.close();
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super.go();
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}
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}
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abstract static class ClosedRAFTest extends Test {
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RandomAccessFile raf;
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public ClosedRAFTest(String name) {
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super("RandomAccessFile." + name);
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}
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public void go() throws IOException {
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this.raf = new RandomAccessFile(WRITEABLE_FILE, "rw");
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this.raf.close();
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super.go();
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}
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}
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abstract static class ReadOnlyRAFTest extends Test {
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RandomAccessFile raf;
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public ReadOnlyRAFTest(String name) {
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super("RandomAccessFile." + name);
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}
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public void go() throws IOException {
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this.raf = new RandomAccessFile(READABLE_FILE, "r");
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super.go();
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this.raf.close();
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}
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}
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static void go() throws Exception {
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new Test("File.createNewFile") {
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public void run() throws IOException {
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new File(UNWRITEABLE_DIR, "foo").createNewFile();
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}}.go();
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new Test("File.getCanonicalpath") {
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public void run() throws IOException {
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new File(INVALID_PATH).getCanonicalPath();
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}}.go();
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new Test("FileInputStream(file)") {
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public void run() throws IOException {
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new FileInputStream(UNREADABLE_FILE);
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}}.go();
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new Test("FileInputStream(dir)") {
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public void run() throws IOException {
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new FileInputStream(".");
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}}.go();
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new ClosedFISTest("read()") {
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public void run() throws IOException {
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in.read();
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}}.go();
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new ClosedFISTest("read(byte[])") {
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public void run() throws IOException {
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byte[] b = new byte[10];
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in.read(b);
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}}.go();
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new ClosedFISTest("skip") {
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public void run() throws IOException {
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in.skip(10);
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}}.go();
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new ClosedFISTest("available") {
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public void run() throws IOException {
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in.available();
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}}.go();
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new Test("FileOutputStream") {
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public void run() throws IOException {
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new FileOutputStream(UNREADABLE_FILE);
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}}.go();
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new ClosedFOSTest("write()") {
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public void run() throws IOException {
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out.write(10);
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}}.go();
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new ClosedFOSTest("write(byte[])") {
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public void run() throws IOException {
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out.write(new byte[] { 1, 2, 3 });
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}}.go();
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new Test("RandomAccessFile") {
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public void run() throws IOException {
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new RandomAccessFile(UNREADABLE_FILE, "r");
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}}.go();
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new ClosedRAFTest("getFilePointer") {
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public void run() throws IOException {
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raf.getFilePointer();
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}}.go();
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new ClosedRAFTest("length") {
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public void run() throws IOException {
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raf.length();
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}}.go();
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new ClosedRAFTest("seek") {
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public void run() throws IOException {
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raf.seek(20);
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}}.go();
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new ClosedRAFTest("setLength") {
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public void run() throws IOException {
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raf.setLength(0);
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}}.go();
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new ClosedRAFTest("readShort") {
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public void run() throws IOException {
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raf.readShort();
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}}.go();
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new ClosedRAFTest("readInt") {
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public void run() throws IOException {
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raf.readInt();
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}}.go();
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new ReadOnlyRAFTest("writeShort") {
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public void run() throws IOException {
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raf.writeShort(10);
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}}.go();
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new ReadOnlyRAFTest("getFilePointer") {
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public void run() throws IOException {
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raf.writeInt(10);
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}}.go();
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}
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public static void main(String[] args) throws Exception {
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go();
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}
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}
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