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Prevent automatic leave of an explicitly entered context during close…
… called from a host call.
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108
....oracle.truffle.api.test/src/com/oracle/truffle/api/test/polyglot/AutomaticLeaveTest.java
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| /* | ||
| * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * The Universal Permissive License (UPL), Version 1.0 | ||
| * | ||
| * Subject to the condition set forth below, permission is hereby granted to any | ||
| * person obtaining a copy of this software, associated documentation and/or | ||
| * data (collectively the "Software"), free of charge and under any and all | ||
| * copyright rights in the Software, and any and all patent rights owned or | ||
| * freely licensable by each licensor hereunder covering either (i) the | ||
| * unmodified Software as contributed to or provided by such licensor, or (ii) | ||
| * the Larger Works (as defined below), to deal in both | ||
| * | ||
| * (a) the Software, and | ||
| * | ||
| * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if | ||
| * one is included with the Software each a "Larger Work" to which the Software | ||
| * is contributed by such licensors), | ||
| * | ||
| * without restriction, including without limitation the rights to copy, create | ||
| * derivative works of, display, perform, and distribute the Software and make, | ||
| * use, sell, offer for sale, import, export, have made, and have sold the | ||
| * Software and the Larger Work(s), and to sublicense the foregoing rights on | ||
| * either these or other terms. | ||
| * | ||
| * This license is subject to the following condition: | ||
| * | ||
| * The above copyright notice and either this complete permission notice or at a | ||
| * minimum a reference to the UPL must be included in all copies or substantial | ||
| * portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| package com.oracle.truffle.api.test.polyglot; | ||
|
|
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| import org.graalvm.polyglot.Context; | ||
| import org.graalvm.polyglot.HostAccess; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
|
|
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| import com.oracle.truffle.api.ContextThreadLocal; | ||
| import com.oracle.truffle.api.TruffleLanguage; | ||
| import com.oracle.truffle.api.interop.InteropLibrary; | ||
| import com.oracle.truffle.api.nodes.RootNode; | ||
| import com.oracle.truffle.api.test.common.AbstractExecutableTestLanguage; | ||
|
|
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| public class AutomaticLeaveTest { | ||
|
|
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| static class ThreadContext { | ||
|
|
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| } | ||
|
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| @TruffleLanguage.Registration | ||
| static class AutomaticLeaveInHostCallTestLanguage extends AbstractExecutableTestLanguage { | ||
|
|
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| final ContextThreadLocal<ThreadContext> threadContext = locals.createContextThreadLocal((c, t) -> new ThreadContext()); | ||
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| @Override | ||
| protected Object execute(RootNode node, Env env, Object[] contextArguments, Object[] frameArguments) throws Exception { | ||
| if (contextArguments[0] != null) { | ||
| InteropLibrary.getUncached().invokeMember(contextArguments[0], "close"); | ||
| } | ||
| // If the close operation automatically leaves the explicitly entered context, then | ||
| // context thread local get fails. | ||
| threadContext.get(); | ||
| return null; | ||
| } | ||
| } | ||
|
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| public static class ContextCloser { | ||
| private final Context context; | ||
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| public ContextCloser(Context context) { | ||
| this.context = context; | ||
| } | ||
|
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| public void close() { | ||
| context.close(); | ||
| } | ||
| } | ||
|
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| @Test | ||
| public void testAutomaticLeave() { | ||
| try (Context context = Context.newBuilder().allowHostAccess(HostAccess.ALL).build()) { | ||
| context.enter(); | ||
| AbstractExecutableTestLanguage.evalTestLanguage(context, AutomaticLeaveInHostCallTestLanguage.class, "", new Object[]{null}); | ||
| Context.getCurrent(); | ||
| } | ||
| AbstractPolyglotTest.assertFails(Context::getCurrent, IllegalStateException.class, (e) -> Assert.assertTrue(e.getMessage().startsWith("No current context is available."))); | ||
| } | ||
|
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| @Test | ||
| public void testNoAutomaticLeaveInHostCall() { | ||
| try (Context context = Context.newBuilder().allowHostAccess(HostAccess.ALL).build()) { | ||
| context.enter(); | ||
| AbstractExecutableTestLanguage.evalTestLanguage(context, AutomaticLeaveInHostCallTestLanguage.class, "", new ContextCloser(context)); | ||
| Context.getCurrent(); | ||
| } | ||
| AbstractPolyglotTest.assertFails(Context::getCurrent, IllegalStateException.class, (e) -> Assert.assertTrue(e.getMessage().startsWith("No current context is available."))); | ||
| } | ||
| } |
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