213 lines
9.3 KiB
Java
213 lines
9.3 KiB
Java
/*
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* Copyright (c) 2024, 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 8331670
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* @summary Basic test for --sun-misc-unsafe-memory-access=<value>
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* @library /test/lib
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* @compile TryUnsafeMemoryAccess.java
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* @run junit UnsafeMemoryAccessWarnings
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*/
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import java.util.stream.Stream;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.ValueSource;
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import static org.junit.jupiter.api.Assertions.*;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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class UnsafeMemoryAccessWarnings {
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/**
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* Test default is "allow"
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*/
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@Test
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void testDefault() throws Exception {
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test("allocateMemory+freeMemory+objectFieldOffset+putLong+getLong+invokeCleaner")
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.shouldHaveExitValue(0)
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.shouldNotContain("WARNING: A terminally deprecated method in sun.misc.Unsafe has been called")
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.shouldNotContain("WARNING: sun.misc.Unsafe::allocateMemory")
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.shouldNotContain("WARNING: sun.misc.Unsafe::freeMemory")
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.shouldNotContain("WARNING: sun.misc.Unsafe::objectFieldOffset")
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.shouldNotContain("WARNING: sun.misc.Unsafe::putLong")
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.shouldNotContain("WARNING: sun.misc.Unsafe::getLong")
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.shouldNotContain("WARNING: sun.misc.Unsafe::invokeCleaner");
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}
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/**
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* Test --sun-misc-unsafe-memory-access=allow
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*/
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@Test
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void testAllow() throws Exception {
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test("allocateMemory+freeMemory+objectFieldOffset+putLong+getLong+invokeCleaner",
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"--sun-misc-unsafe-memory-access=allow")
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.shouldHaveExitValue(0)
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.shouldNotContain("WARNING: A terminally deprecated method in sun.misc.Unsafe has been called")
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.shouldNotContain("WARNING: sun.misc.Unsafe::allocateMemory")
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.shouldNotContain("WARNING: sun.misc.Unsafe::freeMemory")
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.shouldNotContain("WARNING: sun.misc.Unsafe::objectFieldOffset")
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.shouldNotContain("WARNING: sun.misc.Unsafe::putLong")
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.shouldNotContain("WARNING: sun.misc.Unsafe::getLong")
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.shouldNotContain("WARNING: sun.misc.Unsafe::invokeCleaner");
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}
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/**
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* Test --sun-misc-unsafe-memory-access=warn
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*/
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@ParameterizedTest
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@ValueSource(strings = {
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"allocateMemory+freeMemory",
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"objectFieldOffset+putLong+getLong",
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"invokeCleaner"
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})
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void testWarn(String input) throws Exception {
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var output = test(input, "--sun-misc-unsafe-memory-access=warn").shouldHaveExitValue(0);
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// should be warning printed for the first memory access method
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String[] methodNames = input.split("\\+");
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String firstMethodName = methodNames[0];
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output.shouldContain("WARNING: A terminally deprecated method in sun.misc.Unsafe has been called")
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.shouldContain("WARNING: sun.misc.Unsafe::" + firstMethodName + " has been called by")
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.shouldContain("WARNING: Please consider reporting this to the maintainers of")
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.shouldContain("WARNING: sun.misc.Unsafe::" + firstMethodName + " will be removed in a future release");
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// should be no warning for the second/subsequent memory access methods
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int index = 1;
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while (index < methodNames.length) {
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String methodName = methodNames[index++];
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output.shouldNotContain("WARNING: sun.misc.Unsafe::" + methodName);
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}
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}
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/**
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* Test --sun-misc-unsafe-memory-access=debug
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*/
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@Test
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void testDebug() throws Exception {
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test("allocateMemory+freeMemory+objectFieldOffset+putLong+getLong+invokeCleaner",
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"--sun-misc-unsafe-memory-access=debug")
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.shouldHaveExitValue(0)
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.shouldContain("WARNING: sun.misc.Unsafe::allocateMemory called")
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.shouldContain("WARNING: sun.misc.Unsafe::freeMemory called")
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.shouldContain("WARNING: sun.misc.Unsafe::objectFieldOffset called")
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.shouldContain("WARNING: sun.misc.Unsafe::putLong called")
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.shouldContain("WARNING: sun.misc.Unsafe::getLong called")
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.shouldContain("WARNING: sun.misc.Unsafe::invokeCleaner called");
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}
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/**
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* Test --sun-misc-unsafe-memory-access=deny
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*/
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@Test
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void testDeny() throws Exception {
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test("allocateMemory+objectFieldOffset+invokeCleaner", "--sun-misc-unsafe-memory-access=deny")
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.shouldHaveExitValue(0)
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.shouldContain("java.lang.UnsupportedOperationException: allocateMemory")
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.shouldContain("java.lang.UnsupportedOperationException: objectFieldOffset")
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.shouldContain("java.lang.UnsupportedOperationException: invokeCleaner");
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}
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/**
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* Test invoking Unsafe methods with core reflection.
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*/
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@Test
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void testInvokeReflectively() throws Exception {
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test("reflectivelyAllocateMemory+reflectivelyFreeMemory", "--sun-misc-unsafe-memory-access=allow")
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.shouldHaveExitValue(0)
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.shouldNotContain("WARNING: A terminally deprecated method in sun.misc.Unsafe has been called")
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.shouldNotContain("WARNING: sun.misc.Unsafe::allocateMemory")
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.shouldNotContain("WARNING: sun.misc.Unsafe::freeMemory");
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test("reflectivelyAllocateMemory+reflectivelyFreeMemory", "--sun-misc-unsafe-memory-access=warn")
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.shouldHaveExitValue(0)
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.shouldContain("WARNING: A terminally deprecated method in sun.misc.Unsafe has been called")
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.shouldContain("WARNING: sun.misc.Unsafe::allocateMemory has been called by")
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.shouldContain("WARNING: Please consider reporting this to the maintainers of")
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.shouldContain("WARNING: sun.misc.Unsafe::allocateMemory will be removed in a future release")
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.shouldNotContain("WARNING: sun.misc.Unsafe::freeMemory");
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test("reflectivelyAllocateMemory+reflectivelyFreeMemory", "--sun-misc-unsafe-memory-access=debug")
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.shouldHaveExitValue(0)
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.shouldContain("WARNING: sun.misc.Unsafe::allocateMemory called")
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.shouldContain("WARNING: sun.misc.Unsafe::freeMemory called");
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test("reflectivelyAllocateMemory", "--sun-misc-unsafe-memory-access=deny")
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.shouldHaveExitValue(0)
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.shouldContain("java.lang.UnsupportedOperationException: allocateMemory");
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}
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/**
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* If --sun-misc-unsafe-memory-access specified more than once then last one wins.
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*/
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@Test
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void testLastOneWins() throws Exception {
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test("allocateMemory+objectFieldOffset+invokeCleaner",
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"--sun-misc-unsafe-memory-access=allow",
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"--sun-misc-unsafe-memory-access=deny")
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.shouldHaveExitValue(0)
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.shouldContain("java.lang.UnsupportedOperationException: allocateMemory")
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.shouldContain("java.lang.UnsupportedOperationException: objectFieldOffset")
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.shouldContain("java.lang.UnsupportedOperationException: invokeCleaner");
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}
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/**
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* Test --sun-misc-unsafe-memory-access with invalid values.
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*/
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@ParameterizedTest
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@ValueSource(strings = { "", "bad" })
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void testInvalidValues(String value) throws Exception {
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test("allocateMemory", "--sun-misc-unsafe-memory-access=" + value)
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.shouldNotHaveExitValue(0)
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.shouldContain("Value specified to --sun-misc-unsafe-memory-access not recognized: '" + value);
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}
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/**
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* Test System.setProperty("sun.misc.unsafe.memory.access", "allow")
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* The saved value from startup should be used, not the system property set at run-time.
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*/
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@Test
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void testSetPropertyToAllow() throws Exception {
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test("setSystemPropertyToAllow+objectFieldOffset", "--sun-misc-unsafe-memory-access=deny")
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.shouldHaveExitValue(0)
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.shouldContain("java.lang.UnsupportedOperationException: objectFieldOffset");
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}
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/**
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* Launch TryUnsafeMemoryAccess with the given arguments and VM options.
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*/
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private OutputAnalyzer test(String action, String... vmopts) throws Exception {
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Stream<String> s1 = Stream.of(vmopts);
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Stream<String> s2 = Stream.of("TryUnsafeMemoryAccess", action);
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String[] opts = Stream.concat(s1, s2).toArray(String[]::new);
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var outputAnalyzer = ProcessTools
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.executeTestJava(opts)
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.outputTo(System.err)
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.errorTo(System.err);
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return outputAnalyzer;
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}
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}
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