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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568
test/jdk/java/lang/reflect/Proxy/ProxyGeneratorCombo.java
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568
test/jdk/java/lang/reflect/Proxy/ProxyGeneratorCombo.java
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@ -0,0 +1,568 @@
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/*
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* Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
|
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* 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
|
||||
* 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.
|
||||
*
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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
|
||||
* questions.
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||||
*/
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/*
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* @test
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* @summary Proxy Generator Combo tests
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* @library /test/langtools/tools/javac/lib .
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.code
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* jdk.compiler/com.sun.tools.javac.comp
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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* @build combo.ComboTestHelper
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* @run main/othervm ProxyGeneratorCombo
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*/
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import java.io.IOException;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.lang.reflect.Proxy;
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import java.lang.reflect.UndeclaredThrowableException;
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import java.util.Arrays;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.StringJoiner;
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import combo.ComboInstance;
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import combo.ComboParameter;
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import combo.ComboTask.Result;
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import combo.ComboTestHelper;
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public class ProxyGeneratorCombo extends ComboInstance<ProxyGeneratorCombo> {
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// The unique number to qualify interface names, unique across multiple runs
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private static int uniqueId = 0;
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/**
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* Class Access kinds.
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*/
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enum ClassAccessKind implements ComboParameter {
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PUBLIC("public"),
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PACKAGE(""),
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;
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String classAccessTemplate;
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ClassAccessKind(String classAccessTemplate) {
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this.classAccessTemplate = classAccessTemplate;
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}
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|
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@Override
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public String expand(String optParameter) {
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return classAccessTemplate;
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}
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}
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|
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/**
|
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* Signatures of methods to be tested.
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*/
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enum MethodsKind implements ComboParameter {
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NONE(""),
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ZERO("#{METHODACCESS} void zero() #{EXCEPTION};"),
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ONE("#{METHODACCESS} void one(#{ARG[0]} a) #{EXCEPTION};"),
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TWO("#{METHODACCESS} void one(#{ARG[0]} b);\n" +
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"#{METHODACCESS} void two(#{ARG[0]} a, #{ARG[1]} b);"),
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THREE("#{METHODACCESS} void one(#{ARG[0]} a);\n" +
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"#{METHODACCESS} void two(#{ARG[0]} a, #{ARG[1]} b);\n" +
|
||||
"#{METHODACCESS} void three(#{ARG[0]} a, #{ARG[1]} b, #{ARG[0]} c);");
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||||
|
||||
String methodsKindTemplate;
|
||||
|
||||
MethodsKind(String methodsKindTemplate) {
|
||||
this.methodsKindTemplate = methodsKindTemplate;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String expand(String optParameter) {
|
||||
return methodsKindTemplate;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Type of arguments to insert in method signatures
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||||
*/
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||||
enum ArgumentKind implements ComboParameter {
|
||||
BOOLEAN("boolean"),
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BYTE("byte"),
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||||
CHAR("char"),
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||||
SHORT("short"),
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||||
INT("int"),
|
||||
LONG("long"),
|
||||
FLOAT("float"),
|
||||
DOUBLE("double"),
|
||||
STRING("String");
|
||||
|
||||
String argumentsKindTemplate;
|
||||
|
||||
ArgumentKind(String argumentsKindTemplate) {
|
||||
this.argumentsKindTemplate = argumentsKindTemplate;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String expand(String optParameter) {
|
||||
return argumentsKindTemplate;
|
||||
}
|
||||
}
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||||
|
||||
/**
|
||||
* Exceptions to be added to zero and one methods.
|
||||
*/
|
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enum ExceptionKind implements ComboParameter {
|
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NONE(null),
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EXCEPTION(java.lang.Exception.class),
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RUNTIME_EXCEPTION(java.lang.RuntimeException.class),
|
||||
ILLEGAL_ARGUMENT_EXCEPTION(java.lang.IllegalArgumentException.class),
|
||||
IOEXCEPTION(java.io.IOException.class),
|
||||
/**
|
||||
* Used only for throw testing, is empty for throws clause in the source,
|
||||
*/
|
||||
UNDECLARED_EXCEPTION(Exception1.class),
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;
|
||||
|
||||
Class<? extends Throwable> exceptionKindClass;
|
||||
|
||||
ExceptionKind(Class<? extends Throwable> exceptionKindClass) {
|
||||
this.exceptionKindClass = exceptionKindClass;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String expand(String optParameter) {
|
||||
return exceptionKindClass == null || exceptionKindClass == Exception1.class
|
||||
? "" : "throws " + exceptionKindClass.getName();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Extra interfaces to be added.
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||||
*/
|
||||
enum MultiInterfacesKind implements ComboParameter {
|
||||
NONE(new Class<?>[0]),
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||||
INTERFACE_WITH_EXCEPTION(new Class<?>[] {InterfaceWithException.class}),
|
||||
;
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||||
|
||||
Class<?>[] multiInterfaceClasses;
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||||
|
||||
MultiInterfacesKind(Class<?>[] multiInterfaceClasses) {
|
||||
this.multiInterfaceClasses = multiInterfaceClasses;
|
||||
}
|
||||
|
||||
@Override
|
||||
// Not used for expansion only execution
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||||
public String expand(String optParameter) {
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||||
throw new RuntimeException("NYI");
|
||||
}
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||||
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||||
Class<?>[] classes() {
|
||||
return multiInterfaceClasses;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public int id() {
|
||||
return ++uniqueId;
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||||
}
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||||
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||||
protected void fail(String msg, Throwable thrown) {
|
||||
super.fail(msg);
|
||||
thrown.printStackTrace();
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||||
}
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|
||||
/**
|
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* Test interface with a "one(int)" method.
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*/
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interface InterfaceWithException {
|
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// The signature must match the ONE MethodsKind above
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void one(int a) throws RuntimeException, IOException;
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}
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|
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|
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/**
|
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* Main to generate combinations and run the tests.
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* @param args unused
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* @throws Exception In case of failure
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*/
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public static void main(String... args) throws Exception {
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// Test variations of access declarations
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new ComboTestHelper<ProxyGeneratorCombo>()
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.withDimension("CLASSACCESS", ClassAccessKind.values())
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.withDimension("METHODACCESS", new ClassAccessKind[]{ClassAccessKind.PUBLIC})
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.withDimension("METHODS", ProxyGeneratorCombo::saveMethod,
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new MethodsKind[] {MethodsKind.NONE, MethodsKind.ZERO, MethodsKind.ONE})
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.withDimension("ARG[0]", new ArgumentKind[] {ArgumentKind.INT})
|
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.withDimension("EXCEPTION", ProxyGeneratorCombo::saveException,
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new ExceptionKind[]{ExceptionKind.NONE})
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.run(ProxyGeneratorCombo::new);
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|
||||
// Test variations of argument types
|
||||
new ComboTestHelper<ProxyGeneratorCombo>()
|
||||
.withDimension("CLASSACCESS", new ClassAccessKind[]{ClassAccessKind.PUBLIC})
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.withDimension("METHODACCESS", new ClassAccessKind[]{ClassAccessKind.PUBLIC})
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.withDimension("METHODS", ProxyGeneratorCombo::saveMethod,
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MethodsKind.values())
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.withArrayDimension("ARG", ProxyGeneratorCombo::saveArg, 2,
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ArgumentKind.values())
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.withDimension("EXCEPTION", ProxyGeneratorCombo::saveException,
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new ExceptionKind[]{ExceptionKind.NONE})
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.withFilter(ProxyGeneratorCombo::filter)
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.run(ProxyGeneratorCombo::new);
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// Test for conflicts in Exceptions on methods with the same signatures
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new ComboTestHelper<ProxyGeneratorCombo>()
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.withDimension("CLASSACCESS", new ClassAccessKind[]{ClassAccessKind.PUBLIC})
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.withDimension("METHODACCESS", new ClassAccessKind[]{ClassAccessKind.PUBLIC})
|
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.withDimension("METHODS", ProxyGeneratorCombo::saveMethod, new MethodsKind[] {
|
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MethodsKind.ZERO})
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.withDimension("EXCEPTION", ProxyGeneratorCombo::saveException,
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ExceptionKind.values())
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.withDimension("MULTI_INTERFACES", ProxyGeneratorCombo::saveInterface,
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new MultiInterfacesKind[] {MultiInterfacesKind.NONE})
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.run(ProxyGeneratorCombo::new);
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}
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|
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/**
|
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* Basic template.
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*/
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String template = "#{CLASSACCESS} interface #{TESTNAME} {\n" +
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"#{METHODS}" +
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"}";
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||||
// Saved values of Combo values
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||||
private MultiInterfacesKind currInterface = MultiInterfacesKind.NONE;
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private MethodsKind currMethod = MethodsKind.NONE;
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private ExceptionKind currException = ExceptionKind.NONE;
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||||
private ArgumentKind[] currArgs = new ArgumentKind[0];
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|
||||
void saveInterface(ComboParameter s) {
|
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currInterface = (MultiInterfacesKind)s;
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||||
}
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||||
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||||
void saveMethod(ComboParameter s) {
|
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currMethod = (MethodsKind)s;
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||||
}
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||||
void saveException(ComboParameter s) {
|
||||
currException = (ExceptionKind)s;
|
||||
}
|
||||
|
||||
void saveArg(ComboParameter s, int index) {
|
||||
if (index >= currArgs.length) {
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currArgs = Arrays.copyOf(currArgs, index + 1);
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||||
}
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||||
currArgs[index] = (ArgumentKind)s;
|
||||
}
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||||
|
||||
/**
|
||||
* Filter out needless tests (mostly with more variations of arguments than needed).
|
||||
* @return true to run the test, false if not
|
||||
*/
|
||||
boolean filter() {
|
||||
if ((currMethod == MethodsKind.NONE || currMethod == MethodsKind.ZERO) &&
|
||||
currArgs.length >= 2) {
|
||||
return currArgs[0] == ArgumentKind.INT &&
|
||||
currArgs[1] == ArgumentKind.INT;
|
||||
}
|
||||
if (currMethod == MethodsKind.ONE &&
|
||||
currArgs.length >= 2 ) {
|
||||
return currArgs[0] == currArgs[1];
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate the source file and compile.
|
||||
* Generate a proxy for the interface and test the resulting Proxy
|
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* for the methods, exceptions and handling of a thrown exception
|
||||
* @throws IOException catch all IOException
|
||||
*/
|
||||
@Override
|
||||
public void doWork() throws IOException {
|
||||
String cp = System.getProperty("test.classes");
|
||||
String ifaceName = "Interface_" + this.id();
|
||||
newCompilationTask()
|
||||
.withSourceFromTemplate(ifaceName, template.replace("#{TESTNAME}", ifaceName))
|
||||
.withOption("-d")
|
||||
.withOption(cp)
|
||||
.generate(this::checkCompile);
|
||||
try {
|
||||
ClassLoader loader = ClassLoader.getSystemClassLoader();
|
||||
Class<?> tc = Class.forName(ifaceName);
|
||||
InvocationHandler handler =
|
||||
new ProxyHandler(currException.exceptionKindClass);
|
||||
|
||||
// Construct array of interfaces for the proxy
|
||||
Class<?>[] interfaces = new Class<?>[currInterface.classes().length + 1];
|
||||
interfaces[0] = tc;
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||||
System.arraycopy(currInterface.classes(), 0,
|
||||
interfaces, 1,
|
||||
currInterface.classes().length);
|
||||
|
||||
Object proxy = Proxy.newProxyInstance(loader, interfaces, handler);
|
||||
if (!Proxy.isProxyClass(proxy.getClass())) {
|
||||
fail("generated proxy is not a proxy class");
|
||||
return;
|
||||
}
|
||||
for (Class<?> i : interfaces) {
|
||||
if (!i.isAssignableFrom(proxy.getClass())) {
|
||||
fail("proxy is not assignable to " + i.getName());
|
||||
}
|
||||
}
|
||||
try {
|
||||
String s = proxy.toString();
|
||||
} catch (Exception ex) {
|
||||
ex.printStackTrace();
|
||||
fail("proxy.toString() threw an exception");
|
||||
}
|
||||
|
||||
checkDeclaredProxyExceptions(proxy, interfaces);
|
||||
|
||||
if (currMethod == MethodsKind.ZERO && currException != ExceptionKind.NONE) {
|
||||
checkThrowsException(proxy, interfaces);
|
||||
}
|
||||
|
||||
} catch (Exception ex) {
|
||||
throw new RuntimeException("doWork unexpected", ex);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Check that the exceptions declared on the proxy match the declarations for
|
||||
* exceptions from the interfaces.
|
||||
*
|
||||
* @param proxy a proxy object
|
||||
* @param interfaces the interfaces that defined it
|
||||
*/
|
||||
void checkDeclaredProxyExceptions(Object proxy, Class<?>[] interfaces) {
|
||||
var allMethods = allMethods(Arrays.asList(interfaces));
|
||||
Method[] methods = proxy.getClass().getDeclaredMethods();
|
||||
for (Method m : methods) {
|
||||
String sig = toShortSignature(m);
|
||||
var imethods = allMethods.get(sig);
|
||||
if (imethods != null) {
|
||||
var expectedEx = Set.copyOf(Arrays.asList(m.getExceptionTypes()));
|
||||
var exs = Set.copyOf(extractExceptions(imethods));
|
||||
if (!expectedEx.equals(exs)) {
|
||||
System.out.printf("mismatch on exceptions for method %s:%nExpected: " +
|
||||
"%s%nActual: %s%n",
|
||||
sig, expectedEx, exs);
|
||||
fail("Exceptions declared on proxy don't match interface methods");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void checkThrowsException(Object proxy, Class<?>[] interfaces) {
|
||||
ProxyHandler ph = (ProxyHandler)(Proxy.getInvocationHandler(proxy));
|
||||
try {
|
||||
Method m = proxy.getClass().getDeclaredMethod("zero");
|
||||
m.invoke(proxy);
|
||||
fail("Missing exception: " + ph.exceptionClass);
|
||||
} catch (NoSuchMethodException nsme) {
|
||||
System.out.printf("No method 'zero()' to test exceptions with%n");
|
||||
for (var cl : interfaces) {
|
||||
System.out.printf(" i/f %s: %s%n", cl, Arrays.toString(cl.getMethods()));
|
||||
}
|
||||
Method[] methods = proxy.getClass().getMethods();
|
||||
System.out.printf(" Proxy methods: %s%n", Arrays.toString(methods));
|
||||
fail("No such method test bug", nsme);
|
||||
} catch (InvocationTargetException actual) {
|
||||
ph.checkThrownException(actual.getTargetException());
|
||||
} catch (IllegalAccessException iae) {
|
||||
fail("IllegalAccessException", iae);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Exceptions known to be supported by all methods with the same signature.
|
||||
* @return a list of universal exception types
|
||||
*/
|
||||
private static List<Class<?>> extractExceptions(List<Method> methods) {
|
||||
// for all methods with the same signature
|
||||
// start with the exceptions from the first method
|
||||
// while there are any exceptions remaining
|
||||
// look at the next method
|
||||
List<Class<?>> exceptions = null;
|
||||
for (Method m : methods) {
|
||||
var e = m.getExceptionTypes();
|
||||
if (e.length == 0)
|
||||
return emptyClassList();
|
||||
List<Class<?>> elist = Arrays.asList(e);
|
||||
if (exceptions == null) {
|
||||
exceptions = elist; // initialize to first method exceptions
|
||||
} else {
|
||||
// for each exception
|
||||
// if it is compatible (both ways) with any of the existing exceptions continue
|
||||
// else remove the current exception
|
||||
var okExceptions = new HashSet<Class<?>>();
|
||||
for (int j = 0; j < exceptions.size(); j++) {
|
||||
var ex = exceptions.get(j);
|
||||
for (int i = 0; i < elist.size();i++) {
|
||||
var ci = elist.get(i);
|
||||
|
||||
if (ci.isAssignableFrom(ex)) {
|
||||
okExceptions.add(ex);
|
||||
}
|
||||
if (ex.isAssignableFrom(ci)) {
|
||||
okExceptions.add(ci);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (exceptions.isEmpty()) {
|
||||
// The empty set terminates the search for a common set of exceptions
|
||||
return emptyClassList();
|
||||
}
|
||||
// Use the new set for the next iteration
|
||||
exceptions = List.copyOf(okExceptions);
|
||||
}
|
||||
}
|
||||
return (exceptions == null) ? emptyClassList() : exceptions;
|
||||
}
|
||||
|
||||
/**
|
||||
* An empty correctly typed list of classes.
|
||||
* @return An empty typed list of classes
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
static List<Class<?>> emptyClassList() {
|
||||
return Collections.EMPTY_LIST;
|
||||
}
|
||||
|
||||
/**
|
||||
* Accumulate all of the unique methods.
|
||||
*
|
||||
* @param interfaces a list of interfaces
|
||||
* @return a map from signature to List of methods, unique by signature
|
||||
*/
|
||||
private static Map<String, List<Method>> allMethods(List<Class<?>> interfaces) {
|
||||
Map<String, List<Method>> methods = new HashMap<>();
|
||||
for (Class<?> c : interfaces) {
|
||||
for (Method m : c.getMethods()) {
|
||||
if (!Modifier.isStatic(m.getModifiers())) {
|
||||
String sig = toShortSignature(m);
|
||||
methods.computeIfAbsent(sig, s -> new ArrayList<Method>())
|
||||
.add(m);
|
||||
}
|
||||
}
|
||||
}
|
||||
return methods;
|
||||
}
|
||||
|
||||
/**
|
||||
* The signature of a method without the return type.
|
||||
* @param m a Method
|
||||
* @return the signature with method name and parameters
|
||||
*/
|
||||
static String toShortSignature(Method m) {
|
||||
StringJoiner sj = new StringJoiner(",", m.getName() + "(", ")");
|
||||
for (Class<?> parameterType : m.getParameterTypes()) {
|
||||
sj.add(parameterType.getTypeName());
|
||||
}
|
||||
return sj.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* Report any compilation errors.
|
||||
* @param res the result
|
||||
*/
|
||||
void checkCompile(Result<?> res) {
|
||||
if (res.hasErrors()) {
|
||||
fail("invalid diagnostics for source:\n" +
|
||||
res.compilationInfo() +
|
||||
"\nFound error: " + res.hasErrors());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* The Handler for the proxy includes the method to invoke the proxy
|
||||
* and the expected exception, if any.
|
||||
*/
|
||||
class ProxyHandler implements InvocationHandler {
|
||||
|
||||
private final Class<? extends Throwable> exceptionClass;
|
||||
|
||||
ProxyHandler(Class<? extends Throwable> throwable) {
|
||||
this.exceptionClass = throwable;
|
||||
}
|
||||
|
||||
/**
|
||||
* Invoke a method on the proxy or return a value.
|
||||
* @param proxy the proxy instance that the method was invoked on
|
||||
* @param method a method
|
||||
* @param args some args
|
||||
* @return
|
||||
* @throws Throwable a throwable
|
||||
*/
|
||||
@Override
|
||||
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
|
||||
if (method.getName().equals("toString")) {
|
||||
return "Proxy" + System.identityHashCode(proxy);
|
||||
}
|
||||
if (method.getName().equals("zero")) {
|
||||
if (exceptionClass != null) {
|
||||
throw exceptionClass.getDeclaredConstructor().newInstance();
|
||||
}
|
||||
}
|
||||
return "meth: " + method.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* Check that the expected exception was thrown.
|
||||
* Special case is handled for Exception1 which does not appear in the
|
||||
* throws clause of the method so UndeclaredThrowableException is expected.
|
||||
*/
|
||||
void checkThrownException(Throwable thrown) {
|
||||
if (exceptionClass == Exception1.class &&
|
||||
thrown instanceof UndeclaredThrowableException &&
|
||||
((UndeclaredThrowableException)thrown).getUndeclaredThrowable() instanceof Exception1) {
|
||||
// Exception1 caused UndeclaredThrowableException
|
||||
return;
|
||||
} else if (exceptionClass == Exception1.class) {
|
||||
fail("UndeclaredThrowableException", thrown);
|
||||
}
|
||||
|
||||
if (exceptionClass != null &&
|
||||
!exceptionClass.equals(thrown.getClass())) {
|
||||
throw new RuntimeException("Wrong exception thrown: expected: " + exceptionClass +
|
||||
", actual: " + thrown.getClass());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Exception to be thrown as a test of InvocationTarget.
|
||||
*/
|
||||
static class Exception1 extends Exception {
|
||||
private static final long serialVersionUID = 1L;
|
||||
Exception1() {}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue