96 lines
4.4 KiB
Java
96 lines
4.4 KiB
Java
/*
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* Copyright (c) 2020, 2022, 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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* @bug 8225056
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* @modules java.base/jdk.internal.misc
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* @library /test/lib ..
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* @compile sealedP1/SuperClass.jcod
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* @compile sealedP1/C1.java sealedP2/C2.java sealedP3/C3.java
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* @build jdk.test.whitebox.WhiteBox
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* @compile/module=java.base java/lang/ModuleHelper.java
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI SealedModuleTest
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*/
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public class SealedModuleTest {
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// Test sub-classing a sealed super class in a named module. In this test,
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// sealed class sealedP1/SuperClass permits sealedP1.C1, sealedP2.C2, and
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// sealedP3.C3. All three of those classes extend sealedP1/SuperClass.
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public static void main(String args[]) throws Throwable {
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Object m1x, m2x;
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// Get the class loader for SealedModuleTest and assume it's also used
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// to load the other classes.
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ClassLoader this_cldr = AccessCheckRead.class.getClassLoader();
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// Define a module for packages sealedP1 and sealedP2.
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m1x = ModuleHelper.ModuleObject("module_one", this_cldr,
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new String[] { "sealedP1", "sealedP2" });
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ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/here",
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new String[] { "sealedP1", "sealedP2" });
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// Define a module for package sealedP3 with the same class loader.
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m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "sealedP3" });
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ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "sealedP3" });
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// Make package sealedP1 in m1x visible to everyone because it contains
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// the super class for C1, C2, and C3.
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ModuleHelper.AddModuleExportsToAll(m1x, "sealedP1");
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ModuleHelper.AddReadsModule(m2x, m1x);
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// Test subtype in the same named package and named module as its super
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// class. This should succeed.
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// Class sealedP1.C1 extends class sealedP1.SuperClass.
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Class p1_C1_class = Class.forName("sealedP1.C1");
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// Test non-public class in same module but different package than its
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// super class. This should throw ICCE.
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// Class sealedP2.C2 extends class sealedP1.SuperClass.
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try {
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Class p2_C2_class = Class.forName("sealedP2.C2");
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throw new RuntimeException("Expected IncompatibleClassChangeError exception not thrown");
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} catch (IncompatibleClassChangeError e) {
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if (!e.getMessage().contains("cannot inherit from sealed class")) {
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throw new RuntimeException("Wrong IncompatibleClassChangeError exception thrown: " + e.getMessage());
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}
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}
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// Test subtype in a different module than its super type. This should
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// fail even though they have the same class loader.
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// Class sealedP3.C3 extends class sealedP1.SuperClass.
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try {
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Class p3_C3_class = Class.forName("sealedP3.C3");
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throw new RuntimeException("Expected IncompatibleClassChangeError exception not thrown");
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} catch (IncompatibleClassChangeError e) {
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if (!e.getMessage().contains("cannot inherit from sealed class")) {
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throw new RuntimeException("Wrong IncompatibleClassChangeError exception thrown: " + e.getMessage());
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}
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}
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}
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}
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