1 /* 2 * Copyright (c) 2011, 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.hotspot.test; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.core.test.GraalCompilerTest; 28 import org.graalvm.compiler.nodes.StructuredGraph; 29 import org.graalvm.compiler.nodes.extended.ForeignCallNode; 30 import org.graalvm.compiler.options.OptionValues; 31 32 import jdk.vm.ci.code.InstalledCode; 33 import jdk.vm.ci.meta.ResolvedJavaMethod; 34 35 public class ExplicitExceptionTest extends GraalCompilerTest { 36 37 private int expectedForeignCallCount; 38 39 @Override 40 protected InstalledCode getCode(ResolvedJavaMethod method, StructuredGraph graph, boolean forceCompile, boolean installAsDefault, OptionValues options) { 41 InstalledCode installedCode = super.getCode(method, graph, forceCompile, installAsDefault, options); 42 assertDeepEquals(expectedForeignCallCount, lastCompiledGraph.getNodes().filter(ForeignCallNode.class).count()); 43 return installedCode; 44 } 45 46 public static int testAIOOBESnippet(int[] array) { 47 return array[10]; 48 } 49 50 @Test 51 public void testAIOOBE() { 52 int[] array = new int[4]; 53 for (int i = 0; i < 10000; i++) { 54 try { 55 testAIOOBESnippet(array); 56 } catch (ArrayIndexOutOfBoundsException e) { 57 // nothing to do 58 } 59 } 60 expectedForeignCallCount = 2; 61 test("testAIOOBESnippet", array); 62 } 63 64 public static int testNPEArraySnippet(int[] array) { 65 return array[10]; 66 } 67 68 @Test 69 public void testNPEArray() { 70 int[] array = null; 71 for (int i = 0; i < 10000; i++) { 72 try { 73 testNPEArraySnippet(array); 74 } catch (NullPointerException e) { 75 // nothing to do 76 } 77 } 78 expectedForeignCallCount = 2; 79 test("testNPEArraySnippet", array); 80 } 81 82 private static class TestClass { 83 int field; 84 } 85 86 public static int testNPESnippet(TestClass obj) { 87 return obj.field; 88 } 89 90 @SuppressWarnings("unused") 91 @Test 92 public void testNPE() { 93 new TestClass(); 94 TestClass obj = null; 95 for (int i = 0; i < 10000; i++) { 96 try { 97 testNPESnippet(obj); 98 } catch (NullPointerException e) { 99 // nothing to do 100 } 101 } 102 expectedForeignCallCount = 1; 103 test("testNPESnippet", obj); 104 } 105 106 }