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/*
* Copyright (c) 2017, 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 8186046
* @summary Test bootstrap methods throwing an exception
* @library /lib/testlibrary/bytecode /java/lang/invoke/common
* @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper
* @run testng CondyBSMException
* @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyBSMException
*/
import org.testng.Assert;
import org.testng.annotations.Test;
import test.java.lang.invoke.lib.InstructionHelper;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Constructor;
import static java.lang.invoke.MethodType.methodType;
public class CondyBSMException {
@Test
public void testThrowable() {
test("Throwable", BootstrapMethodError.class, Throwable.class);
}
@Test
public void testError() {
test("Error", Error.class);
}
@Test
public void testBootstrapMethodError() {
test("BootstrapMethodError", BootstrapMethodError.class);
}
@Test
public void testRuntimeException() {
test("RuntimeException", BootstrapMethodError.class, RuntimeException.class);
}
@Test
public void testException() throws Throwable {
test("Exception", BootstrapMethodError.class, Exception.class);
}
static void test(String message, Class<? extends Throwable>... ts) {
MethodHandle mh = thrower(message, ts[ts.length - 1]);
Throwable caught = null;
try {
mh.invoke();
}
catch (Throwable t) {
caught = t;
}
if (caught == null) {
Assert.fail("Throwable expected");
}
String actualMessage = null;
for (int i = 0; i < ts.length; i++) {
actualMessage = caught.getMessage();
Assert.assertNotNull(caught);
Assert.assertTrue(ts[i].isAssignableFrom(caught.getClass()));
caught = caught.getCause();
}
Assert.assertEquals(actualMessage, message);
}
static Throwable throwingBsm(MethodHandles.Lookup l, String name, Class<Throwable> type) throws Throwable {
Throwable t;
try {
Constructor<Throwable> c = type.getDeclaredConstructor(String.class);
t = c.newInstance(name);
}
catch (Exception e) {
throw new InternalError();
}
throw t;
}
static MethodHandle thrower(String message, Class<? extends Throwable> t) {
try {
return InstructionHelper.ldcDynamicConstant(
MethodHandles.lookup(),
message, t,
"throwingBsm", methodType(Throwable.class, MethodHandles.Lookup.class, String.class, Class.class),
S -> { });
} catch (Exception e) {
throw new Error(e);
}
}
}
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