166 lines
7.2 KiB
Java
166 lines
7.2 KiB
Java
/*
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* Copyright (c) 2015, 2023, 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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/*
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* @test
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* @modules java.base/jdk.internal.misc
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* @modules java.base/jdk.internal.loader
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* java.logging
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* @requires vm.flagless
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* @library /test/lib
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* @run driver GetSysPkgTest
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*/
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import java.io.File;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import jdk.test.lib.compiler.InMemoryJavaCompiler;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.helpers.ClassFileInstaller;
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// Test that JVM get_system_package() returns the module location for defined packages.
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public class GetSysPkgTest {
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private static Object invoke(Method m, Object obj, Object... args) throws Throwable {
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try {
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return m.invoke(obj, args);
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} catch (InvocationTargetException e) {
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throw e.getCause();
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}
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}
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private static Method findMethod(String name) {
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for (Method m : jdk.internal.loader.BootLoader.class.getDeclaredMethods()) {
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if (m.getName().equals(name)) {
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m.setAccessible(true);
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return m;
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}
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}
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throw new RuntimeException("Failed to find method " + name + " in java.lang.Module");
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}
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// Throw RuntimeException if getSystemPackageLocation() does not return
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// the expected location.
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static void getPkg(String name, String expected_loc) throws Throwable {
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String loc = (String)invoke(findMethod("getSystemPackageLocation"), null, name);
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if (loc == null) {
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if (expected_loc == null) return;
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System.out.println("Expected location: " + expected_loc +
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", for package: " + name + ", got: null");
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} else if (expected_loc == null) {
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System.out.println("Expected location: null, for package: " +
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name + ", got: " + loc);
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} else if (!loc.equals(expected_loc)) {
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System.out.println("Expected location: " +
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expected_loc + ", for package: " + name + ", got: " + loc);
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} else {
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return;
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}
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throw new RuntimeException();
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}
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public static void main(String args[]) throws Throwable {
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if (args.length == 0 || !args[0].equals("do_tests")) {
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// Create a package found via -Xbootclasspath/a
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String source = "package BootLdr_package; " +
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"public class BootLdrPkg { " +
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" public int mth() { return 4; } " +
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"}";
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byte[] klassbuf =
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InMemoryJavaCompiler.compile("BootLdr_package.BootLdrPkg", source);
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ClassFileInstaller.writeClassToDisk("BootLdr_package/BootLdrPkg", klassbuf, "bl_dir");
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// Create a package found via -cp.
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source = "package GetSysPkg_package; " +
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"public class GetSysClass { " +
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" public int mth() { return 4; } " +
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"}";
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klassbuf =
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InMemoryJavaCompiler.compile("GetSysPkg_package.GetSysClass", source);
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ClassFileInstaller.writeClassToDisk("GetSysPkg_package/GetSysClass", klassbuf);
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xbootclasspath/a:bl_dir",
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"--add-opens=java.base/jdk.internal.loader=ALL-UNNAMED", "-cp", "." + File.pathSeparator +
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System.getProperty("test.classes"), "GetSysPkgTest", "do_tests");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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return;
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}
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getPkg("java/lang", "jrt:/java.base");
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getPkg("javax/script", null); // Package not defined
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// Test a package that does not yet have any referenced classes.
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// Note: if another class in com/sun/crypto/provider/ happens to get
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// loaded or if class PrivateKeyInfo disappears from this package
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// then this test will fail.
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getPkg("com/sun/crypto/provider", null);
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// Now make sure a class in the package is referenced.
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Class newClass = Class.forName("com.sun.crypto.provider.PrivateKeyInfo");
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getPkg("com/sun/crypto/provider", "jrt:/java.base");
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getPkg("java/nio/charset", "jrt:/java.base");
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// Test a package in a module not owned by boot loader.
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Class clss = Class.forName("jdk.nio.zipfs.ZipPath");
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if (clss == null)
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throw new RuntimeException("Could not find class jdk.nio.zipfs.ZipPath");
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// Test a package not in jimage file.
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clss = Class.forName("GetSysPkg_package.GetSysClass");
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if (clss == null)
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throw new RuntimeException("Could not find class GetSysPkg_package.GetSysClass");
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getPkg("GetSysPkg_package", null);
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// Access a class with a package in a boot loader module other than java.base
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clss = Class.forName("java.util.logging.Level");
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if (clss == null)
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throw new RuntimeException("Could not find class java.util.logging.Level");
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getPkg("java/util/logging", "jrt:/java.logging");
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// Test getting the package location from a class found via -Xbootclasspath/a
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clss = Class.forName("BootLdr_package.BootLdrPkg");
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if (clss == null)
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throw new RuntimeException("Could not find class BootLdr_package.BootLdrPkg");
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String bootldrPkg = (String)invoke(findMethod("getSystemPackageLocation"), null, "BootLdr_package");
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if (bootldrPkg == null) {
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throw new RuntimeException("Expected BootLdr_package to return non-null value");
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}
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if (!bootldrPkg.equals("bl_dir")) {
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throw new RuntimeException("Expected BootLdr_package to return bl_dir, got: " + bootldrPkg);
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}
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// Test when package's class reference is an array.
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// Note: if another class in javax/crypto happens to get loaded
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// or if class AEADBadTagException disappears from this package
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// then this test will fail.
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getPkg("javax/crypto", null);
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javax.crypto.AEADBadTagException[] blah = new javax.crypto.AEADBadTagException[3];
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getPkg("javax/crypto", "jrt:/java.base");
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}
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}
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