jdk-24/test/jdk/tools/jlink/plugins/GenerateJLIClassesPluginTest.java
2024-05-13 09:11:49 +00:00

187 lines
7.8 KiB
Java

/*
* Copyright (c) 2016, 2024, 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.
*/
import java.io.IOException;
import java.lang.classfile.ClassFile;
import java.lang.constant.MethodTypeDesc;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
import org.testng.Assert;
import tests.Helper;
import tests.JImageGenerator;
import tests.JImageValidator;
import tests.Result;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import static java.lang.constant.ConstantDescs.CD_Object;
import static java.lang.constant.ConstantDescs.CD_int;
/*
* @test
* @bug 8252919 8327499
* @library ../../lib
* @summary Test --generate-jli-classes plugin
* @enablePreview
* @modules java.base/jdk.internal.jimage
* jdk.jlink/jdk.tools.jlink.internal
* jdk.jlink/jdk.tools.jlink.internal.plugins
* jdk.jlink/jdk.tools.jmod
* jdk.jlink/jdk.tools.jimage
* @build tests.*
* @run testng/othervm GenerateJLIClassesPluginTest
*/
public class GenerateJLIClassesPluginTest {
private static Helper helper;
@BeforeTest
public static void setup() throws Exception {
helper = Helper.newHelper();
if (helper == null) {
System.err.println("Test not run");
return;
}
helper.generateDefaultModules();
}
@Test
public static void testSpecies() throws IOException {
// Check that --generate-jli-classes=@file works as intended
Path baseFile = Files.createTempFile("base", "trace");
String species = "LLLLLLLLLLLLLLLLLLL";
String fileString = "[SPECIES_RESOLVE] java.lang.invoke.BoundMethodHandle$Species_" + species + " (salvaged)\n";
Files.write(baseFile, fileString.getBytes(Charset.defaultCharset()));
Result result = JImageGenerator.getJLinkTask()
.modulePath(helper.defaultModulePath())
.output(helper.createNewImageDir("generate-jli-file"))
.option("--generate-jli-classes=@" + baseFile.toString())
.addMods("java.base")
.call();
Path image = result.assertSuccess();
validateHolderClasses(image);
JImageValidator.validate(image.resolve("lib").resolve("modules"),
classFilesForSpecies(List.of(species)), // species should be in the image
classFilesForSpecies(List.of(species.substring(1)))); // but not it's immediate parent
}
@Test
public static void testInvalidSignatures() throws IOException {
// Check that --generate-jli-classes=@file fails as intended on shapes that can't be generated
String[] args = new String[] {
"[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeVirtual L_L (success)\n",
"[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeInterface L_L (success)\n",
"[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeStatic I_L (success)\n"
};
for (String fileString : args) {
Path failFile = Files.createTempFile("fail", "trace");
fileString = "[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeVirtual L_L (success)\n";
Files.write(failFile, fileString.getBytes(Charset.defaultCharset()));
Result result = JImageGenerator.getJLinkTask()
.modulePath(helper.defaultModulePath())
.output(helper.createNewImageDir("invalid-signature"))
.option("--generate-jli-classes=@" + failFile.toString())
.addMods("java.base")
.call();
result.assertFailure();
}
}
@Test
public static void nonExistentTraceFile() throws IOException {
Result result = JImageGenerator.getJLinkTask()
.modulePath(helper.defaultModulePath())
.output(helper.createNewImageDir("non-existent-tracefile"))
.option("--generate-jli-classes=@NON_EXISTENT_FILE")
.addMods("java.base")
.call();
Path image = result.assertSuccess();
validateHolderClasses(image);
}
@Test
public static void testInvokers() throws IOException {
var fileString = "[LF_RESOLVE] java.lang.invoke.Invokers$Holder invoker L3I_L (fail)";
Path invokersTrace = Files.createTempFile("invokers", "trace");
Files.writeString(invokersTrace, fileString, Charset.defaultCharset());
Result result = JImageGenerator.getJLinkTask()
.modulePath(helper.defaultModulePath())
.output(helper.createNewImageDir("jli-invokers"))
.option("--generate-jli-classes=@" + invokersTrace.toString())
.addMods("java.base")
.call();
var image = result.assertSuccess();
var targetMtd = MethodTypeDesc.of(CD_Object, CD_Object, CD_Object, CD_Object, CD_int);
validateHolderClasses(image);
JImageValidator.validate(image.resolve("lib").resolve("modules"),
List.of(), List.of(), bytes -> {
var cf = ClassFile.of().parse(bytes);
if (!cf.thisClass().name().equalsString("java/lang/invoke/Invokers$Holder")) {
return;
}
boolean found = false;
for (var m : cf.methods()) {
// LambdaForm.Kind
if (m.methodName().equalsString("invoker") && m.methodTypeSymbol().equals(targetMtd)) {
found = true;
break;
}
}
if (!found) {
var methodsInfo = cf.methods().stream()
.map(m -> m.methodName() + m.methodTypeSymbol().displayDescriptor())
.collect(Collectors.joining("\n"));
Assert.fail("Missing invoker L3I_L in java.lang.invoke.Invokers$Holder, found:\n" + methodsInfo);
}
});
}
private static void validateHolderClasses(Path image) throws IOException {
JImageValidator.validate(image.resolve("lib").resolve("modules"),
List.of("/java.base/java/lang/invoke/DirectMethodHandle$Holder.class",
"/java.base/java/lang/invoke/DelegatingMethodHandle$Holder.class",
"/java.base/java/lang/invoke/LambdaForm$Holder.class",
"/java.base/java/lang/invoke/Invokers$Holder.class"),
List.of());
}
private static List<String> classFilesForSpecies(Collection<String> species) {
return species.stream()
.map(s -> "/java.base/java/lang/invoke/BoundMethodHandle$Species_" + s + ".class")
.collect(Collectors.toList());
}
}