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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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test/jdk/java/lang/reflect/Method/GenericStringTest.java Normal file
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/*
* Copyright (c) 2004, 2025, 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 5033583 6316717 6470106 8004979 8161500 8162539 6304578
* @summary Check toGenericString() and toString() methods
*/
import java.lang.reflect.*;
import java.lang.annotation.*;
import java.util.*;
public class GenericStringTest {
public static void main(String argv[]) throws Exception {
int failures = 0;
for(Class<?> clazz: List.of(TestClass1.class, TestClass2.class,
Roebling.class, TestInterface1.class))
for(Method method: clazz.getDeclaredMethods()) {
ExpectedGenericString egs = method.getAnnotation(ExpectedGenericString.class);
if (egs != null) {
String actual = method.toGenericString();
System.out.println(actual);
if (method.isBridge()) {
failures += checkForFailure(egs.bridgeValue(), actual);
} else {
failures += checkForFailure(egs.value(), actual);
}
}
if (method.isAnnotationPresent(ExpectedString.class)) {
ExpectedString es = method.getAnnotation(ExpectedString.class);
String actual = method.toString();
failures += checkForFailure(es.value(), actual);
}
}
// Bridge Test; no "volatile" methods
for(Method method: Roebling.class.getDeclaredMethods()) {
String s1 = method.toGenericString();
String s2 = method.toString();
System.out.println("Generic: " + s1);
System.out.println("Regular: " + s2);
if (s1.indexOf("volatile") != -1 ||
s2.indexOf("volatile") != -1) {
failures++;
System.err.println("ERROR: Bad string; unexpected ``volatile''");
}
}
if (failures > 0) {
System.err.println("Test failed.");
throw new RuntimeException();
}
}
private static int checkForFailure(String expected, String actual) {
if (!expected.equals(actual)) {
System.err.printf("ERROR: Expected ''%s'';%ngot ''%s''.\n",
expected, actual);
return 1;
} else
return 0;
}
}
class TestClass1 {
@ExpectedGenericString(
"void TestClass1.method1(int,double)")
void method1(int x, double y) {}
@ExpectedGenericString(
"private static java.lang.String TestClass1.method2(int,int)")
private static String method2(int x, int param2) {return null;}
@ExpectedGenericString(
"static void TestClass1.method3() throws java.lang.RuntimeException")
static void method3() throws RuntimeException {return;}
@ExpectedGenericString(
"protected <S,T> S TestClass1.method4(S,T) throws java.lang.Exception")
protected <S, T> S method4(S s, T t) throws Exception {return null;}
@ExpectedGenericString(
"public static <T> T TestClass1.max(java.util.Collection<? extends T>,java.util.Comparator<? super T>)")
public static <T> T max(Collection<? extends T> coll, Comparator<? super T> comp) {return null;}
}
class TestClass2<E, F extends Exception> {
@ExpectedGenericString(
"public <T> T TestClass2.method1(E,T)")
public <T> T method1(E e, T t) {return null;}
@ExpectedGenericString(
"public void TestClass2.method2() throws F")
@ExpectedString(
"public void TestClass2.method2() throws java.lang.Exception")
public void method2() throws F {return;}
@ExpectedGenericString(
"public E[] TestClass2.method3()")
public E[] method3() {return null;}
@ExpectedGenericString(
"public E[][] TestClass2.method4()")
public E[][] method4() {return null;}
@ExpectedGenericString(
"public java.util.List<E[]> TestClass2.method5()")
public List<E[]> method5() {return null;}
@ExpectedGenericString(
"public java.util.List<?> TestClass2.method6()")
public List<?> method6() {return null;}
@ExpectedGenericString(
"public java.util.List<?>[] TestClass2.method7()")
public List<?>[] method7() {return null;}
@ExpectedGenericString(
"public <K,V> java.util.Map<K, V> TestClass2.method8()")
public <K, V> Map<K, V> method8() {return null;}
@ExpectedGenericString(
"public <V extends java.lang.Number & java.lang.Runnable> java.util.Set<V> TestClass2.method9(V)")
public <V extends Number & Runnable> Set<V> method9(V v) {return null;}
}
class Roebling implements Comparable<Roebling> {
@ExpectedGenericString(
value="public int Roebling.compareTo(Roebling)",
bridgeValue="public int Roebling.compareTo(java.lang.Object)")
public int compareTo(Roebling r) {
throw new IllegalArgumentException();
}
// Not a transient method, (transient var-arg overlap)
@ExpectedGenericString(
"void Roebling.varArg(java.lang.Object...)")
@ExpectedString(
"void Roebling.varArg(java.lang.Object[])")
void varArg(Object ... arg) {}
}
interface TestInterface1 {
@ExpectedGenericString(
"public default void TestInterface1.foo()")
@ExpectedString(
"public default void TestInterface1.foo()")
public default void foo(){;}
@ExpectedString(
"public default java.lang.Object TestInterface1.bar()")
@ExpectedGenericString(
"public default <A> A TestInterface1.bar()")
default <A> A bar(){return null;}
@ExpectedString(
"public default double TestInterface1.quux()")
@ExpectedGenericString(
"public default double TestInterface1.quux()")
default double quux(){return 1.0;}
}
@Retention(RetentionPolicy.RUNTIME)
@interface ExpectedGenericString {
String value();
String bridgeValue() default "";
}
@Retention(RetentionPolicy.RUNTIME)
@interface ExpectedString {
String value();
}