330 lines
12 KiB
Java
330 lines
12 KiB
Java
/*
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* Copyright (c) 2015, 2016, 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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* @test
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* @run testng/othervm -Diters=20000 VarHandleTestMethodHandleAccessChar
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*/
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.VarHandle;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import static org.testng.Assert.*;
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public class VarHandleTestMethodHandleAccessChar extends VarHandleBaseTest {
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static final char static_final_v = 'a';
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static char static_v;
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final char final_v = 'a';
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char v;
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VarHandle vhFinalField;
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VarHandle vhField;
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VarHandle vhStaticField;
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VarHandle vhStaticFinalField;
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VarHandle vhArray;
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@BeforeClass
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public void setup() throws Exception {
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vhFinalField = MethodHandles.lookup().findVarHandle(
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VarHandleTestMethodHandleAccessChar.class, "final_v", char.class);
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vhField = MethodHandles.lookup().findVarHandle(
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VarHandleTestMethodHandleAccessChar.class, "v", char.class);
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vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle(
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VarHandleTestMethodHandleAccessChar.class, "static_final_v", char.class);
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vhStaticField = MethodHandles.lookup().findStaticVarHandle(
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VarHandleTestMethodHandleAccessChar.class, "static_v", char.class);
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vhArray = MethodHandles.arrayElementVarHandle(char[].class);
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}
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@DataProvider
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public Object[][] accessTestCaseProvider() throws Exception {
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List<AccessTestCase<?>> cases = new ArrayList<>();
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for (VarHandleToMethodHandle f : VarHandleToMethodHandle.values()) {
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cases.add(new MethodHandleAccessTestCase("Instance field",
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vhField, f, hs -> testInstanceField(this, hs)));
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cases.add(new MethodHandleAccessTestCase("Instance field unsupported",
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vhField, f, hs -> testInstanceFieldUnsupported(this, hs),
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false));
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cases.add(new MethodHandleAccessTestCase("Static field",
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vhStaticField, f, VarHandleTestMethodHandleAccessChar::testStaticField));
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cases.add(new MethodHandleAccessTestCase("Static field unsupported",
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vhStaticField, f, VarHandleTestMethodHandleAccessChar::testStaticFieldUnsupported,
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false));
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cases.add(new MethodHandleAccessTestCase("Array",
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vhArray, f, VarHandleTestMethodHandleAccessChar::testArray));
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cases.add(new MethodHandleAccessTestCase("Array unsupported",
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vhArray, f, VarHandleTestMethodHandleAccessChar::testArrayUnsupported,
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false));
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cases.add(new MethodHandleAccessTestCase("Array index out of bounds",
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vhArray, f, VarHandleTestMethodHandleAccessChar::testArrayIndexOutOfBounds,
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false));
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}
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// Work around issue with jtreg summary reporting which truncates
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// the String result of Object.toString to 30 characters, hence
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// the first dummy argument
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return cases.stream().map(tc -> new Object[]{tc.toString(), tc}).toArray(Object[][]::new);
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}
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@Test(dataProvider = "accessTestCaseProvider")
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public <T> void testAccess(String desc, AccessTestCase<T> atc) throws Throwable {
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T t = atc.get();
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int iters = atc.requiresLoop() ? ITERS : 1;
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for (int c = 0; c < iters; c++) {
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atc.testAccess(t);
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}
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}
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static void testInstanceField(VarHandleTestMethodHandleAccessChar recv, Handles hs) throws Throwable {
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// Plain
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{
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hs.get(TestAccessMode.SET).invokeExact(recv, 'a');
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char x = (char) hs.get(TestAccessMode.GET).invokeExact(recv);
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assertEquals(x, 'a', "set char value");
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}
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// Volatile
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{
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hs.get(TestAccessMode.SET_VOLATILE).invokeExact(recv, 'b');
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char x = (char) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(recv);
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assertEquals(x, 'b', "setVolatile char value");
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}
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// Lazy
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{
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hs.get(TestAccessMode.SET_RELEASE).invokeExact(recv, 'a');
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char x = (char) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(recv);
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assertEquals(x, 'a', "setRelease char value");
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}
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// Opaque
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{
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hs.get(TestAccessMode.SET_OPAQUE).invokeExact(recv, 'b');
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char x = (char) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(recv);
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assertEquals(x, 'b', "setOpaque char value");
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}
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}
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static void testInstanceFieldUnsupported(VarHandleTestMethodHandleAccessChar recv, Handles hs) throws Throwable {
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_SET)) {
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checkUOE(am, () -> {
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boolean r = (boolean) hs.get(am).invokeExact(recv, 'a', 'b');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_EXCHANGE)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact(recv, 'a', 'b');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_SET)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact(recv, 'a');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_ADD)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact(recv, 'a');
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});
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}
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}
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static void testStaticField(Handles hs) throws Throwable {
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// Plain
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{
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hs.get(TestAccessMode.SET).invokeExact('a');
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char x = (char) hs.get(TestAccessMode.GET).invokeExact();
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assertEquals(x, 'a', "set char value");
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}
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// Volatile
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{
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hs.get(TestAccessMode.SET_VOLATILE).invokeExact('b');
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char x = (char) hs.get(TestAccessMode.GET_VOLATILE).invokeExact();
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assertEquals(x, 'b', "setVolatile char value");
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}
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// Lazy
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{
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hs.get(TestAccessMode.SET_RELEASE).invokeExact('a');
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char x = (char) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact();
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assertEquals(x, 'a', "setRelease char value");
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}
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// Opaque
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{
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hs.get(TestAccessMode.SET_OPAQUE).invokeExact('b');
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char x = (char) hs.get(TestAccessMode.GET_OPAQUE).invokeExact();
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assertEquals(x, 'b', "setOpaque char value");
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}
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}
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static void testStaticFieldUnsupported(Handles hs) throws Throwable {
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_SET)) {
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checkUOE(am, () -> {
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boolean r = (boolean) hs.get(am).invokeExact('a', 'b');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_EXCHANGE)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact('a', 'b');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_SET)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact('a');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_ADD)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact('a');
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});
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}
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}
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static void testArray(Handles hs) throws Throwable {
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char[] array = new char[10];
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for (int i = 0; i < array.length; i++) {
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// Plain
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{
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hs.get(TestAccessMode.SET).invokeExact(array, i, 'a');
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char x = (char) hs.get(TestAccessMode.GET).invokeExact(array, i);
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assertEquals(x, 'a', "get char value");
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}
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// Volatile
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{
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hs.get(TestAccessMode.SET_VOLATILE).invokeExact(array, i, 'b');
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char x = (char) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(array, i);
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assertEquals(x, 'b', "setVolatile char value");
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}
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// Lazy
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{
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hs.get(TestAccessMode.SET_RELEASE).invokeExact(array, i, 'a');
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char x = (char) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(array, i);
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assertEquals(x, 'a', "setRelease char value");
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}
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// Opaque
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{
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hs.get(TestAccessMode.SET_OPAQUE).invokeExact(array, i, 'b');
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char x = (char) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(array, i);
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assertEquals(x, 'b', "setOpaque char value");
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}
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}
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}
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static void testArrayUnsupported(Handles hs) throws Throwable {
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char[] array = new char[10];
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final int i = 0;
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_SET)) {
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checkUOE(am, () -> {
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boolean r = (boolean) hs.get(am).invokeExact(array, i, 'a', 'b');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_EXCHANGE)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact(array, i, 'a', 'b');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_SET)) {
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checkUOE(am, () -> {
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char r = (char) hs.get(am).invokeExact(array, i, 'a');
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_ADD)) {
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checkUOE(am, () -> {
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char o = (char) hs.get(am).invokeExact(array, i, 'a');
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});
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}
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}
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static void testArrayIndexOutOfBounds(Handles hs) throws Throwable {
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char[] array = new char[10];
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for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) {
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final int ci = i;
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET)) {
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checkIOOBE(am, () -> {
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char x = (char) hs.get(am).invokeExact(array, ci);
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});
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}
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for (TestAccessMode am : testAccessModesOfType(TestAccessType.SET)) {
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checkIOOBE(am, () -> {
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hs.get(am).invokeExact(array, ci, 'a');
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});
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}
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}
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}
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}
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