1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.graph.test; 24 25 import org.graalvm.compiler.api.test.Graal; 26 import org.graalvm.compiler.debug.DebugHandlersFactory; 27 import org.graalvm.compiler.debug.DebugContext; 28 import org.graalvm.compiler.options.OptionValues; 29 import org.junit.After; 30 31 public abstract class GraphTest { 32 33 static OptionValues getOptions() { 34 return Graal.getRequiredCapability(OptionValues.class); 35 } 36 37 private final ThreadLocal<DebugContext> cachedDebug = new ThreadLocal<>(); 38 39 protected DebugContext getDebug(OptionValues options) { 40 DebugContext cached = cachedDebug.get(); 41 if (cached != null) { 42 if (cached.getOptions() == options) { 43 return cached; 44 } 45 throw new AssertionError("At most one " + DebugContext.class.getName() + " object should be created per test"); 46 } 47 DebugContext debug = DebugContext.create(options, DebugHandlersFactory.LOADER); 48 cachedDebug.set(debug); 49 return debug; 50 } 51 52 protected DebugContext getDebug() { 53 return getDebug(getOptions()); 54 } 55 56 @After 57 public void afterTest() { 58 DebugContext cached = cachedDebug.get(); 59 if (cached != null) { 60 cached.closeDumpHandlers(true); 61 } 62 } 63 }