|
/*
* Copyright (c) 2020, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import jdk.dynalink.linker.support.Lookup;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
/**
* @test
* @run testng LookupTest
*/
public class LookupTest {
private static final MethodHandles.Lookup MY_LOOKUP = MethodHandles.lookup();
private static MethodHandles.Lookup getLookup(final boolean publicLookup) {
return publicLookup? MethodHandles.publicLookup() : MY_LOOKUP;
}
// test constructors, methods used for lookup
@SuppressWarnings("unused")
public LookupTest() {}
@SuppressWarnings("unused")
private LookupTest(final int unused) {}
@SuppressWarnings("unused")
private void privateFunc() {}
@SuppressWarnings("unused")
protected void protectedFunc() {}
@SuppressWarnings("unused")
private static void privateStaticFunc() {}
@SuppressWarnings("unused")
private final int myIntField = 0;
@SuppressWarnings("unused")
@DataProvider
private static Object[][] flags() {
return new Object[][]{
{Boolean.FALSE},
{Boolean.TRUE}
};
}
@Test(dataProvider = "flags")
public void unreflectTest(final boolean publicLookup) throws NoSuchMethodException {
final MethodHandle mh = Lookup.unreflect(getLookup(publicLookup), LookupTest.class.getMethod("unreflectTest", Boolean.TYPE));
Assert.assertNotNull(mh);
}
@Test
public void unreflectTest2() throws NoSuchMethodException {
final MethodHandle mh = Lookup.PUBLIC.unreflect(LookupTest.class.getMethod("unreflectTest", Boolean.TYPE));
Assert.assertNotNull(mh);
}
@Test(dataProvider = "flags")
public void unreflectNegativeTest(final boolean publicLookup) throws NoSuchMethodException {
try {
final MethodHandle mh = Lookup.unreflect(getLookup(publicLookup),
LookupTest.class.getDeclaredMethod("privateFunc"));
if (publicLookup) {
throw new RuntimeException("should have thrown Error");
}
Assert.assertNotNull(mh);
} catch (final Error err) {
Assert.assertTrue(publicLookup);
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test
public void unreflectNegativeTest2() throws NoSuchMethodException {
try {
Lookup.PUBLIC.unreflect(LookupTest.class.getDeclaredMethod("privateFunc"));
throw new RuntimeException("should have thrown Error");
} catch (final Error err) {
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test(dataProvider = "flags")
public void unreflectConstructorTest(final boolean publicLookup) throws NoSuchMethodException {
final MethodHandle mh = Lookup.unreflectConstructor(getLookup(publicLookup), LookupTest.class.getConstructor());
Assert.assertNotNull(mh);
}
@Test
public void unreflectConstructorTest2() throws NoSuchMethodException {
final MethodHandle mh = Lookup.PUBLIC.unreflectConstructor(LookupTest.class.getConstructor());
Assert.assertNotNull(mh);
}
@Test(dataProvider = "flags")
public void unreflectConstructorNegativeTest(final boolean publicLookup) throws NoSuchMethodException {
try {
final MethodHandle mh = Lookup.unreflectConstructor(getLookup(publicLookup),
LookupTest.class.getDeclaredConstructor(Integer.TYPE));
if (publicLookup) {
throw new RuntimeException("should have thrown Error");
}
Assert.assertNotNull(mh);
} catch (final Error err) {
Assert.assertTrue(publicLookup);
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test
public void unreflectConstructorNegativeTest2() throws NoSuchMethodException {
try {
Lookup.PUBLIC.unreflectConstructor(
LookupTest.class.getDeclaredConstructor(Integer.TYPE));
throw new RuntimeException("should have thrown Error");
} catch (final Error err) {
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test(dataProvider = "flags")
public void findOwnStaticTest(final boolean publicLookup) {
try {
final MethodHandle mh = Lookup.findOwnStatic(getLookup(publicLookup), "getLookup",
MethodHandles.Lookup.class, Boolean.TYPE);
if (publicLookup) {
throw new RuntimeException("should have thrown Error");
}
Assert.assertNotNull(mh);
} catch (final Error err) {
Assert.assertTrue(publicLookup);
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test
public void findOwnStaticTest2() {
try {
Lookup.PUBLIC.findStatic(LookupTest.class, "getLookup",
MethodType.methodType(MethodHandles.Lookup.class, Boolean.TYPE));
throw new RuntimeException("should have thrown Error");
} catch (final Error err) {
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test(dataProvider = "flags")
public void findOwnSepcialTest(final boolean publicLookup) {
try {
final MethodHandle mh = Lookup.findOwnSpecial(getLookup(publicLookup), "privateFunc", Void.TYPE);
if (publicLookup) {
throw new RuntimeException("should have thrown Error");
}
Assert.assertNotNull(mh);
} catch (final Error err) {
Assert.assertTrue(publicLookup);
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test
public void findOwnSepcialTest2() {
try {
Lookup.PUBLIC.findOwnSpecial("privateFunc", Void.TYPE);
throw new RuntimeException("should have thrown Error");
} catch (final Error err) {
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test(dataProvider = "flags")
public void findGetterTest(final boolean publicLookup) {
try {
final MethodHandle mh = new Lookup(getLookup(publicLookup)).findGetter(LookupTest.class, "myIntField", Integer.TYPE);
if (publicLookup) {
throw new RuntimeException("should have thrown Error");
}
Assert.assertNotNull(mh);
} catch (final Error err) {
Assert.assertTrue(publicLookup);
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test
public void findGetterTest2() {
try {
Lookup.PUBLIC.findGetter(LookupTest.class, "myIntField", Integer.TYPE);
throw new RuntimeException("should have thrown Error");
} catch (final Error err) {
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test(dataProvider = "flags")
public void findVirtualTest(final boolean publicLookup) {
try {
final MethodHandle mh = new Lookup(getLookup(publicLookup)).findVirtual(LookupTest.class, "protectedFunc",
MethodType.methodType(Void.TYPE));
if (publicLookup) {
throw new RuntimeException("should have thrown Error");
}
Assert.assertNotNull(mh);
} catch (final Error err) {
Assert.assertTrue(publicLookup);
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test
public void findVirtualTest2() {
try {
Lookup.PUBLIC.findVirtual(LookupTest.class, "protectedFunc",
MethodType.methodType(Void.TYPE));
throw new RuntimeException("should have thrown Error");
} catch (final Error err) {
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test(dataProvider = "flags")
public void findStaticTest(final boolean publicLookup) {
try {
final MethodHandle mh = new Lookup(getLookup(publicLookup)).findStatic(LookupTest.class, "privateStaticFunc",
MethodType.methodType(Void.TYPE));
if (publicLookup) {
throw new RuntimeException("should have thrown Error");
}
Assert.assertNotNull(mh);
} catch (final Error err) {
Assert.assertTrue(publicLookup);
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
@Test
public void findStaticTest2() {
try {
Lookup.PUBLIC.findStatic(LookupTest.class, "privateStaticFunc",
MethodType.methodType(Void.TYPE));
throw new RuntimeException("should have thrown Error");
} catch (final Error err) {
Assert.assertTrue(err instanceof NoSuchMethodError || err instanceof IllegalAccessError);
}
}
}
¤ Dauer der Verarbeitung: 0.28 Sekunden
(vorverarbeitet)
¤
|
Laden
Fehler beim Verzeichnis:
in der Quellcodebibliothek suchen
Die farbliche Syntaxdarstellung ist noch experimentell.
|
