--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/ExplicitExceptionTest.java 2017-02-15 16:59:24.703729221 -0800 @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package org.graalvm.compiler.hotspot.test; + +import org.junit.Test; + +import org.graalvm.compiler.core.test.GraalCompilerTest; +import org.graalvm.compiler.nodes.extended.ForeignCallNode; + +import jdk.vm.ci.code.InstalledCode; +import jdk.vm.ci.meta.ResolvedJavaMethod; + +public class ExplicitExceptionTest extends GraalCompilerTest { + + private int expectedForeignCallCount; + + @Override + protected InstalledCode getCode(ResolvedJavaMethod method) { + InstalledCode installedCode = super.getCode(method); + assertDeepEquals(expectedForeignCallCount, lastCompiledGraph.getNodes().filter(ForeignCallNode.class).count()); + return installedCode; + } + + public static int testAIOOBESnippet(int[] array) { + return array[10]; + } + + @Test + public void testAIOOBE() { + int[] array = new int[4]; + for (int i = 0; i < 10000; i++) { + try { + testAIOOBESnippet(array); + } catch (ArrayIndexOutOfBoundsException e) { + // nothing to do + } + } + expectedForeignCallCount = 2; + test("testAIOOBESnippet", array); + } + + public static int testNPEArraySnippet(int[] array) { + return array[10]; + } + + @Test + public void testNPEArray() { + int[] array = null; + for (int i = 0; i < 10000; i++) { + try { + testNPEArraySnippet(array); + } catch (NullPointerException e) { + // nothing to do + } + } + expectedForeignCallCount = 2; + test("testNPEArraySnippet", array); + } + + private static class TestClass { + int field; + } + + public static int testNPESnippet(TestClass obj) { + return obj.field; + } + + @SuppressWarnings("unused") + @Test + public void testNPE() { + new TestClass(); + TestClass obj = null; + for (int i = 0; i < 10000; i++) { + try { + testNPESnippet(obj); + } catch (NullPointerException e) { + // nothing to do + } + } + expectedForeignCallCount = 1; + test("testNPESnippet", obj); + } + +}