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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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211
test/jdk/java/util/Formatter/Basic.java Normal file
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/*
* Copyright (c) 2003, 2024, 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.
*/
import java.io.*;
import java.util.Formatter;
import java.util.Locale;
import java.util.UnknownFormatConversionException;
public class Basic {
private static int fail = 0;
private static int pass = 0;
private static Throwable first;
protected static void test(String fs, String exp, Object ... args) {
Formatter f = new Formatter(new StringBuilder(), Locale.US);
f.format(fs, args);
ck(fs, exp, f.toString());
f = new Formatter(new StringBuilder(), Locale.US);
f.format("foo " + fs + " bar", args);
ck(fs, "foo " + exp + " bar", f.toString());
}
protected static void test(Locale l, String fs, String exp, Object ... args)
{
Formatter f = new Formatter(new StringBuilder(), l);
f.format(fs, args);
ck(fs, exp, f.toString());
f = new Formatter(new StringBuilder(), l);
f.format("foo " + fs + " bar", args);
ck(fs, "foo " + exp + " bar", f.toString());
}
protected static void test(String fs, Object ... args) {
Formatter f = new Formatter(new StringBuilder(), Locale.US);
f.format(fs, args);
ck(fs, "fail", f.toString());
}
protected static void test(String fs) {
Formatter f = new Formatter(new StringBuilder(), Locale.US);
f.format(fs, "fail");
ck(fs, "fail", f.toString());
}
protected static void testSysOut(String fs, String exp, Object ... args) {
FileOutputStream fos = null;
FileInputStream fis = null;
try {
PrintStream saveOut = System.out;
fos = new FileOutputStream("testSysOut");
System.setOut(new PrintStream(fos));
System.out.format(Locale.US, fs, args);
fos.close();
fis = new FileInputStream("testSysOut");
byte [] ba = new byte[exp.length()];
int len = fis.read(ba);
String got = new String(ba);
if (len != ba.length)
fail(fs, exp, got);
ck(fs, exp, got);
System.setOut(saveOut);
} catch (FileNotFoundException ex) {
fail(fs, ex.getClass());
} catch (IOException ex) {
fail(fs, ex.getClass());
} finally {
try {
if (fos != null)
fos.close();
if (fis != null)
fis.close();
} catch (IOException ex) {
fail(fs, ex.getClass());
}
}
}
protected static void tryCatch(String fs, Class<?> ex) {
boolean caught = false;
try {
test(fs);
} catch (Throwable x) {
if (ex.isAssignableFrom(x.getClass()))
caught = true;
}
if (!caught)
fail(fs, ex);
else
pass();
}
protected static void tryCatch(String fs, Class<?> ex, Object ... args) {
boolean caught = false;
try {
test(fs, args);
} catch (Throwable x) {
if (ex.isAssignableFrom(x.getClass()))
caught = true;
}
if (!caught)
fail(fs, ex);
else
pass();
}
private static void pass() {
pass++;
}
private static void fail(String fs, Class ex) {
String message = "'%s': %s not thrown".formatted(fs, ex.getName());
if (first == null) {
setFirst(message);
}
System.err.printf("FAILED: %s%n", message);
fail++;
}
private static void fail(String fs, String exp, String got) {
String message = "'%s': Expected '%s', got '%s'".formatted(fs, exp, got);
if (first == null) {
setFirst(message);
}
System.err.printf("FAILED: %s%n", message);
fail++;
}
private static void setFirst(String s) {
try {
throw new RuntimeException(s);
} catch (RuntimeException x) {
first = x;
}
}
private static void ck(String fs, String exp, String got) {
if (!exp.equals(got)) {
fail(fs, exp, got);
} else {
pass();
}
}
public static void main(String[] args) {
common();
BasicBoolean.test();
BasicBooleanObject.test();
BasicByte.test();
BasicByteObject.test();
BasicChar.test();
BasicCharObject.test();
BasicShort.test();
BasicShortObject.test();
BasicInt.test();
BasicIntObject.test();
BasicLong.test();
BasicLongObject.test();
BasicBigInteger.test();
BasicFloat.test();
BasicFloatObject.test();
BasicDouble.test();
BasicDoubleObject.test();
BasicBigDecimal.test();
BasicDateTime.test();
if (fail != 0) {
var tests_message = "%d tests: %d failure(s)%n".formatted(fail + pass, fail);
var trace_message = "Traceback of the first error located";
var message = "%s %s".formatted(tests_message, trace_message);
throw new RuntimeException(message, first);
} else {
System.out.printf("All %d tests passed", pass);
}
}
private static void common() {
// non-conversion
tryCatch("%12", UnknownFormatConversionException.class);
tryCatch("% ", UnknownFormatConversionException.class);
tryCatch("%,", UnknownFormatConversionException.class);
tryCatch("%03.2", UnknownFormatConversionException.class);
}
}