1 /* 2 * Copyright (c) 2016, 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.replacements.test; 24 25 import static org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.BytecodeExceptionMode.CheckAll; 26 27 import org.junit.Assert; 28 import org.junit.Test; 29 30 import org.graalvm.compiler.core.common.CompilationIdentifier; 31 import org.graalvm.compiler.core.phases.HighTier; 32 import org.graalvm.compiler.core.test.GraalCompilerTest; 33 import org.graalvm.compiler.nodes.StructuredGraph; 34 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 35 import org.graalvm.compiler.nodes.ValueNode; 36 import org.graalvm.compiler.nodes.extended.BytecodeExceptionNode; 37 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; 38 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; 39 import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo; 40 import org.graalvm.compiler.options.OptionValue; 41 import org.graalvm.compiler.options.OptionValue.OverrideScope; 42 import org.graalvm.compiler.phases.tiers.Suites; 43 44 import jdk.vm.ci.meta.ResolvedJavaMethod; 45 46 /** 47 * Tests compilation of a hot exception handler. 48 */ 49 public class CompiledNullPointerExceptionTest extends GraalCompilerTest { 50 51 @Override 52 @SuppressWarnings("try") 53 protected Suites createSuites() { 54 try (OverrideScope scope = OptionValue.override(HighTier.Options.Inline, false)) { 55 return super.createSuites(); 56 } 57 } 58 59 @Override 60 protected InlineInfo bytecodeParserShouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { 61 return InlineInfo.DO_NOT_INLINE_NO_EXCEPTION; 62 } 63 64 @Override 65 protected GraphBuilderConfiguration editGraphBuilderConfiguration(GraphBuilderConfiguration conf) { 66 return super.editGraphBuilderConfiguration(conf).withBytecodeExceptionMode(CheckAll); 67 } 68 69 @Override 70 protected StructuredGraph parseEager(ResolvedJavaMethod m, AllowAssumptions allowAssumptions, CompilationIdentifier compilationId) { 71 StructuredGraph graph = super.parseEager(m, allowAssumptions, compilationId); 72 int handlers = graph.getNodes().filter(BytecodeExceptionNode.class).count(); 73 Assert.assertEquals(1, handlers); 74 return graph; 75 } 76 77 private class TestClass { 78 79 @Override 80 public String toString() { 81 return "TestClass"; 82 } 83 } 84 85 @Test 86 public void test() { 87 test("testSnippet", (TestClass) null, "object2"); 88 test("testSnippet", new TestClass(), "object2"); 89 } 90 91 public static String testSnippet(TestClass o, Object o2) { 92 try { 93 return o.toString(); 94 } catch (NullPointerException e) { 95 return String.valueOf(o2); 96 } 97 } 98 }