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/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/**
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* @test
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* @bug 8136421
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* @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
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* @library /testlibrary /../../test/lib /
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* @compile ../common/CompilerToVMHelper.java
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* @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
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* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
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* -Xbootclasspath/a:.
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* compiler.jvmci.compilerToVM.GetExceptionTableTest
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*/
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package compiler.jvmci.compilerToVM;
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import compiler.jvmci.common.CTVMUtilities;
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import java.io.IOException;
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import java.lang.reflect.Executable;
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import java.net.Socket;
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import java.util.HashMap;
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import java.util.Map;
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import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
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import jdk.vm.ci.hotspot.CompilerToVMHelper;
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import jdk.test.lib.Asserts;
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public class GetExceptionTableTest {
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public static final int TRY_CATCH_COUNT = 3;
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public static final int TRY_CATCH_FINALLY_COUNT = 8;
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public static final int TRY_WITH_RESOURCES_COUNT = 6;
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public static final int EMPTY_COUNT = 0;
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public static void main(String[] args) {
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Map<Executable, Integer> testCases = createTestCases();
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testCases.forEach(GetExceptionTableTest::runSanityTest);
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}
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private static Map<Executable, Integer> createTestCases() {
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HashMap<Executable, Integer> methods = new HashMap<>();
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try {
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Class<?> aClass = GetExceptionTableTest.DummyClass.class;
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methods.put(aClass.getMethod("tryCatchDummy"), TRY_CATCH_COUNT);
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methods.put(aClass.getMethod("tryCatchFinallyDummy"),
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TRY_CATCH_FINALLY_COUNT);
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methods.put(aClass.getMethod("tryWithResourcesDummy"),
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TRY_WITH_RESOURCES_COUNT);
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methods.put(aClass.getMethod("emptyFunction"), EMPTY_COUNT);
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} catch (NoSuchMethodException e) {
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throw new Error("TEST BUG", e);
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}
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return methods;
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}
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private static void runSanityTest(Executable aMethod,
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Integer expectedTableLength) {
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HotSpotResolvedJavaMethodImpl method = CTVMUtilities
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.getResolvedMethod(aMethod);
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int tableLength = CompilerToVMHelper.getExceptionTableLength(method);
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Asserts.assertEQ(tableLength, expectedTableLength, aMethod
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+ " incorrect exception table length.");
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long tableStart = CompilerToVMHelper.getExceptionTableStart(method);
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if (tableLength > 0) {
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Asserts.assertNE(tableStart, 0L, aMethod + " exception table starts "
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+ "at 0.");
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}
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}
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private static class DummyClass {
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public static void emptyFunction() {}
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public static void tryCatchDummy() throws Throwable {
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try {
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throw new Exception("Dummy exception");
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} catch (ArithmeticException ex) {
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throw new IOException(ex.getMessage());
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} catch (IOException ex) {
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throw new Exception(ex);
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} catch (Exception ex) {
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throw new Exception(ex);
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}
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}
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public int tryCatchFinallyDummy() {
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// 4 times catch/finally = 8 catch-blocks and finally-blocks
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try {
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throw new Exception("Dummy exception");
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} catch (IndexOutOfBoundsException ex) {
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return 1;
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} catch (ArithmeticException ex) {
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return 2;
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} catch (IOException ex) {
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return 3;
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} catch (Exception ex) {
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return 4;
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} finally {
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return 0;
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}
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}
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public static int tryWithResourcesDummy() throws Throwable {
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try (Socket socket = new Socket()) {
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throw new Exception("Dummy exception");
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} catch (ArithmeticException ex) {
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return 1;
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} catch (IOException ex) {
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return 2;
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} catch (Exception ex) {
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return 3;
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}
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}
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}
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}
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