1 /* 2 * Copyright (c) 2017, 2018, 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 /* 24 */ 25 26 27 package org.graalvm.compiler.core.test.deopt; 28 29 import org.graalvm.compiler.api.directives.GraalDirectives; 30 import org.graalvm.compiler.core.test.GraalCompilerTest; 31 import org.graalvm.compiler.nodes.FrameState; 32 import org.junit.Test; 33 34 public final class RethrowDeoptMaterializeTest extends GraalCompilerTest { 35 36 private static final Object RETURN_VALUE = "1 2 3"; 37 private static final RuntimeException DUMMY_EXCEPTION = new RuntimeException(); 38 39 static class MyException extends RuntimeException { 40 private static final long serialVersionUID = 0L; 41 42 MyException(Throwable cause) { 43 super(cause); 44 } 45 46 @SuppressWarnings("sync-override") 47 @Override 48 public final Throwable fillInStackTrace() { 49 return null; 50 } 51 } 52 53 public static Object executeDeoptRethrow(int action) { 54 55 try { 56 if (action != 0) { 57 throw new MyException(DUMMY_EXCEPTION); 58 } else if (action == 1) { 59 throw new MyException(null); 60 } 61 } catch (RuntimeException t) { 62 Throwable e = t.getCause(); 63 GraalDirectives.deoptimize(); 64 if (e != DUMMY_EXCEPTION) { 65 throw t; 66 } 67 } 68 return RETURN_VALUE; 69 } 70 71 /** 72 * This tests that a state with {@link FrameState#rethrowException()} set to true can properly 73 * throw an exception that must be rematerialized. 74 */ 75 @Test 76 public void testDeoptRethrow() { 77 test("executeDeoptRethrow", 1); 78 } 79 }