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...piler/truffle/test/strings/TStringOpsCalcStringAttributesLatin1ConstantRegionOOBTest.java
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| /* | ||
| * Copyright (c) 2024, 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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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 jdk.graal.compiler.truffle.test.strings; | ||
|
|
||
| import java.lang.invoke.MethodHandle; | ||
| import java.lang.invoke.MethodHandles; | ||
| import java.lang.reflect.Method; | ||
| import java.util.List; | ||
|
|
||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.Parameterized; | ||
| import org.junit.runners.Parameterized.Parameters; | ||
|
|
||
| import jdk.graal.compiler.nodes.StructuredGraph; | ||
| import jdk.graal.compiler.replacements.nodes.CalcStringAttributesNode; | ||
|
|
||
| @RunWith(Parameterized.class) | ||
| public class TStringOpsCalcStringAttributesLatin1ConstantRegionOOBTest extends TStringOpsConstantTest<CalcStringAttributesNode> { | ||
|
|
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| private static final MethodHandle calcLatin1; | ||
|
|
||
| static { | ||
| try { | ||
| Method methodLatin1 = T_STRING_OPS_CLASS.getDeclaredMethod("calcStringAttributesLatin1", com.oracle.truffle.api.nodes.Node.class, Object.class, int.class, int.class); | ||
| methodLatin1.setAccessible(true); | ||
| calcLatin1 = MethodHandles.lookup().unreflect(methodLatin1); | ||
| } catch (NoSuchMethodException | IllegalAccessException e) { | ||
| throw new ExceptionInInitializerError(e); | ||
| } | ||
| } | ||
|
|
||
| @Parameters(name = "{index}: offset={0}, length={1}") | ||
| public static List<Object[]> data() { | ||
| return List.of( | ||
| // (offset + length) >= array.length | ||
| new Object[]{1, 3}, | ||
| // (offset + length) integer overflow | ||
| new Object[]{Integer.MAX_VALUE, 3}, | ||
| new Object[]{-1, 2}, | ||
| new Object[]{2, -1}); | ||
| } | ||
|
|
||
| public TStringOpsCalcStringAttributesLatin1ConstantRegionOOBTest(int offset, int length) { | ||
| super(CalcStringAttributesNode.class, new byte[]{'a', 'b', 'c', -1}, offset, length); | ||
| } | ||
|
|
||
| @Test | ||
| public void testConstantRegionOutOfBounds() throws Throwable { | ||
| setConstantArgs(arrayA, offsetA, lengthA); | ||
| // Make calcStringAttributesLatin1 branch reachable (must be in bounds) | ||
| runTestMethod(arrayA, 2, 2, true); | ||
| // Run and compile with constant offset + length out of bounds in the not taken branch. | ||
| runTestMethod(arrayA, offsetA, lengthA, false); | ||
| test("runTestMethod", arrayA, offsetA, lengthA, false); | ||
| } | ||
|
|
||
| public static long runTestMethod(Object array, int offset, int length, boolean condition) throws Throwable { | ||
| if (condition) { | ||
| return (int) calcLatin1.invokeExact(DUMMY_LOCATION, array, offset, length); | ||
| } else { | ||
| return -1; | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| protected void checkLowTierGraph(StructuredGraph graph) { | ||
| } | ||
| } |
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