russell@unturf.com
0a580b313d
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.
109 lines
3.5 KiB
Java
109 lines
3.5 KiB
Java
/*
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* Copyright (c) 2016, 2026, 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 8150782 8207027 8266269
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* @compile TestAccessClass.java TestCls.java p/Foo.java q/Bar.java
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* @run junit/othervm -ea -esa test.java.lang.invoke.TestAccessClass
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*/
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package test.java.lang.invoke;
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import java.lang.invoke.*;
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import java.lang.reflect.Modifier;
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import p.Foo;
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import q.Bar;
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import static java.lang.invoke.MethodHandles.*;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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import static org.junit.jupiter.api.Assertions.*;
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public class TestAccessClass {
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private static boolean initializedClass1;
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private static class Class1 {
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static {
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initializedClass1 = true;
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}
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}
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@Test
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public void initializerNotRun() throws IllegalAccessException {
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lookup().accessClass(Class1.class);
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assertFalse(initializedClass1);
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}
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@Test
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public void returnsSameClassInSamePackage() throws IllegalAccessException {
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Class<?> aClass = lookup().accessClass(Class1.class);
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assertEquals(Class1.class, aClass);
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}
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@Test
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public void returnsSameArrayClassInSamePackage() throws IllegalAccessException {
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Class<?> aClass = lookup().accessClass(Class1[].class);
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assertEquals(Class1[].class, aClass);
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}
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static Object[][] illegalAccessAccess() {
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return new Object[][] {
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{publicLookup(), Class1.class},
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{publicLookup(), TestCls.getPrivateSIC()}
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};
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}
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@ParameterizedTest
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@MethodSource("illegalAccessAccess")
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public void illegalAccessExceptionTest(Lookup lookup, Class<?> klass) throws IllegalAccessException {
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assertThrows(IllegalAccessException.class, () -> {
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lookup.accessClass(klass);
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});
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}
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@Test
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public void okAccess() throws IllegalAccessException {
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lookup().accessClass(TestCls.getPrivateSIC());
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}
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/**
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* Verify that a protected Q is as accessible as a public Q during linkage
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* (see JLS 15.12.4.3).
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*/
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@Test
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public void protectedInnerClass() throws Throwable {
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lookup().accessClass(Bar.T_CLS);
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lookup().accessClass(Bar.T_ARRAY_CLS);
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MethodHandle mh = lookup().findStatic(Bar.class, "meth", MethodType.methodType(void.class, Bar.T_ARRAY_CLS));
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mh.invoke(null);
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}
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@Test
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public void illegalArgument() throws IllegalAccessException {
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assertThrows(NullPointerException.class, () -> lookup().accessClass(null));
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}
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}
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