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/*
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* Copyright (c) 2018, 2019, 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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package org.graalvm.compiler.replacements.test;
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import static org.junit.Assume.assumeFalse;
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import static org.junit.Assume.assumeTrue;
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import java.io.UnsupportedEncodingException;
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import org.graalvm.compiler.core.common.CompilationIdentifier;
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import org.graalvm.compiler.nodes.StructuredGraph;
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import org.graalvm.compiler.replacements.amd64.AMD64StringLatin1InflateNode;
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import org.graalvm.compiler.replacements.amd64.AMD64StringLatin1Substitutions;
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import org.graalvm.compiler.replacements.amd64.AMD64StringUTF16CompressNode;
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import org.graalvm.compiler.replacements.amd64.AMD64StringUTF16Substitutions;
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import org.graalvm.compiler.serviceprovider.JavaVersionUtil;
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import org.graalvm.compiler.test.AddExports;
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import org.junit.Before;
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import org.junit.Test;
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import jdk.vm.ci.amd64.AMD64;
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import jdk.vm.ci.code.InstalledCode;
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import jdk.vm.ci.meta.ResolvedJavaMethod;
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/**
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* Test intrinsic/node substitutions for (innate) methods StringLatin1.inflate and
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* StringUTF16.compress provided by {@link AMD64StringLatin1Substitutions} and
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* {@link AMD64StringUTF16Substitutions}.
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*/
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@AddExports({"java.base/java.lang"})
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public final class StringCompressInflateTest extends MethodSubstitutionTest {
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static final int N = 1000;
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@Before
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public void checkAMD64() {
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assumeFalse(JavaVersionUtil.JAVA_SPEC <= 8);
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// Test case is (currently) AMD64 only.
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assumeTrue(getTarget().arch instanceof AMD64);
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}
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@Test
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public void testStringLatin1Inflate() throws ClassNotFoundException, UnsupportedEncodingException {
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Class<?> javaclass = Class.forName("java.lang.StringLatin1");
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Class<?> testclass = AMD64StringLatin1InflateNode.class;
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TestMethods tms = new TestMethods("testInflate", javaclass, AMD64StringLatin1InflateNode.class, "inflate",
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byte[].class, int.class, char[].class, int.class, int.class);
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tms.testSubstitution(testclass);
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for (int i = 0; i < N; i++) {
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byte[] src = fillLatinBytes(new byte[i2sz(i)]);
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char[] dst = new char[i2sz(i)];
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// Invoke void StringLatin1.inflate(byte[], 0, char[], 0, length)
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Object nil = tms.invokeJava(src, 0, dst, 0, i2sz(i));
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assert nil == null;
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// Perform a sanity check:
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for (int j = 0; j < i2sz(i); j++) {
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assert (dst[j] & 0xff00) == 0;
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assert (32 <= dst[j] && dst[j] <= 126) || (160 <= dst[j] && dst[j] <= 255);
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assert ((byte) dst[j] == src[j]);
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}
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String str = new String(src, 0, src.length, "ISO8859_1");
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for (int j = 0; j < src.length; j++) {
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assert ((char) src[j] & 0xff) == str.charAt(j);
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}
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// Invoke char[] testInflate(String)
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char[] inflate1 = (char[]) tms.invokeTest(str);
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// Another sanity check:
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for (int j = 0; j < i2sz(i); j++) {
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assert (inflate1[j] & 0xff00) == 0;
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assert (32 <= inflate1[j] && inflate1[j] <= 126) || (160 <= inflate1[j] && inflate1[j] <= 255);
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}
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assertDeepEquals(dst, inflate1);
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// Invoke char[] testInflate(String) through code handle.
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char[] inflate2 = (char[]) tms.invokeCode(str);
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assertDeepEquals(dst, inflate2);
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}
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}
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@Test
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public void testStringLatin1InflateByteByte() throws ClassNotFoundException {
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Class<?> javaclass = Class.forName("java.lang.StringLatin1");
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ResolvedJavaMethod caller = getResolvedJavaMethod(javaclass, "inflate", byte[].class, int.class, byte[].class, int.class, int.class);
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StructuredGraph graph = getReplacements().getIntrinsicGraph(caller, CompilationIdentifier.INVALID_COMPILATION_ID, getDebugContext(), null);
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assertInGraph(graph, AMD64StringLatin1InflateNode.class);
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InstalledCode code = getCode(caller, graph);
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for (int dstOffset = 0; dstOffset < 2; dstOffset++) {
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for (int srcOffset = 0; srcOffset < 2; srcOffset++) {
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for (int i = 0; i < N; i++) {
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int length = i2sz(i);
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byte[] src = fillLatinBytes(new byte[length]);
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int resultLength = length * 2;
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byte[] dst = new byte[resultLength];
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int copiedLength = Math.max(0, length - Math.max(dstOffset, srcOffset));
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int dstDelta = Math.min(dstOffset, copiedLength);
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int srcDelta = Math.min(srcOffset, copiedLength);
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invokeSafe(caller, null, src, srcDelta, dst, dstDelta, copiedLength);
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// Perform a sanity check:
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for (int j = 0; j < copiedLength; j++) {
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assert (dst[j * 2 + 1 + dstDelta * 2]) == 0;
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int c = dst[j * 2 + dstDelta * 2] & 0xFF;
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assert (32 <= c && c <= 126) || (160 <= c && c <= 255);
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assert (c == (src[j + srcDelta] & 0xFF));
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}
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byte[] dst2 = new byte[resultLength];
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executeVarargsSafe(code, src, srcDelta, dst2, dstDelta, copiedLength);
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assertDeepEquals(dst, dst2);
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}
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}
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}
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}
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@Test
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public void testStringLatin1InflateByteChar() throws ClassNotFoundException {
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Class<?> javaclass = Class.forName("java.lang.StringLatin1");
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ResolvedJavaMethod caller = getResolvedJavaMethod(javaclass, "inflate", byte[].class, int.class, char[].class, int.class, int.class);
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StructuredGraph graph = getReplacements().getIntrinsicGraph(caller, CompilationIdentifier.INVALID_COMPILATION_ID, getDebugContext(), null);
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assertInGraph(graph, AMD64StringLatin1InflateNode.class);
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InstalledCode code = getCode(caller, graph);
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for (int dstOffset = 0; dstOffset < 2; dstOffset++) {
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for (int srcOffset = 0; srcOffset < 2; srcOffset++) {
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for (int i = 0; i < N; i++) {
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int length = i2sz(i);
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byte[] src = fillLatinBytes(new byte[length]);
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char[] dst = new char[length];
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int copiedLength = Math.max(0, length - Math.max(dstOffset, srcOffset));
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int dstDelta = Math.min(dstOffset, copiedLength);
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int srcDelta = Math.min(srcOffset, copiedLength);
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invokeSafe(caller, null, src, srcDelta, dst, dstDelta, copiedLength);
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// Perform a sanity check:
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for (int j = 0; j < copiedLength; j++) {
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int c = dst[j + dstDelta] & 0xFF;
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assert (32 <= c && c <= 126) || (160 <= c && c <= 255);
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assert (c == (src[j + srcDelta] & 0xFF));
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}
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char[] dst2 = new char[length];
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executeVarargsSafe(code, src, srcDelta, dst2, dstDelta, copiedLength);
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assertDeepEquals(dst, dst2);
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}
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}
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}
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}
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@Test
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public void testStringUTF16Compress() throws ClassNotFoundException, UnsupportedEncodingException {
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Class<?> javaclass = Class.forName("java.lang.StringUTF16");
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Class<?> testclass = AMD64StringUTF16CompressNode.class;
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TestMethods tms = new TestMethods("testCompress", javaclass, AMD64StringUTF16CompressNode.class, "compress",
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char[].class, int.class, byte[].class, int.class, int.class);
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tms.testSubstitution(testclass);
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for (int i = 0; i < N; i++) {
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char[] src = fillLatinChars(new char[i2sz(i)]);
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byte[] dst = new byte[i2sz(i)];
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// Invoke int StringUTF16.compress(char[], 0, byte[], 0, length)
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Object len = tms.invokeJava(src, 0, dst, 0, i2sz(i));
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assert (int) len == i2sz(i);
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// Invoke String testCompress(char[])
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String str1 = (String) tms.invokeTest(src);
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assertDeepEquals(dst, str1.getBytes("ISO8859_1"));
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// Invoke String testCompress(char[]) through code handle.
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String str2 = (String) tms.invokeCode(src);
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assertDeepEquals(dst, str2.getBytes("ISO8859_1"));
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}
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}
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@Test
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public void testStringUTF16CompressByteByte() throws ClassNotFoundException {
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Class<?> javaclass = Class.forName("java.lang.StringUTF16");
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ResolvedJavaMethod caller = getResolvedJavaMethod(javaclass, "compress", byte[].class, int.class, byte[].class, int.class, int.class);
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StructuredGraph graph = getReplacements().getIntrinsicGraph(caller, CompilationIdentifier.INVALID_COMPILATION_ID, getDebugContext(), null);
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assertInGraph(graph, AMD64StringUTF16CompressNode.class);
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InstalledCode code = getCode(caller, graph);
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for (int dstOffset = 0; dstOffset < 2; dstOffset++) {
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for (int srcOffset = 0; srcOffset < 2; srcOffset++) {
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for (int i = 0; i < N; i++) {
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int length = i2sz(i);
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byte[] src = fillLatinChars(new byte[length * 2]);
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byte[] dst = new byte[length];
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int copiedLength = Math.max(0, length - Math.max(dstOffset, srcOffset));
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int dstDelta = Math.min(dstOffset, copiedLength);
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int srcDelta = Math.min(srcOffset, copiedLength);
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invokeSafe(caller, null, src, srcDelta, dst, dstDelta, copiedLength);
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// Perform a sanity check:
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for (int j = 0; j < copiedLength; j++) {
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int c = dst[j + dstDelta] & 0xFF;
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assert (32 <= c && c <= 126) || (160 <= c && c <= 255);
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assert (c == (src[(j + srcDelta) * 2] & 0xFF));
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}
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byte[] dst2 = new byte[length];
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executeVarargsSafe(code, src, srcDelta, dst2, dstDelta, copiedLength);
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assertDeepEquals(dst, dst2);
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}
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}
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}
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}
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@Test
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public void testStringUTF16CompressCharByte() throws ClassNotFoundException {
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Class<?> javaclass = Class.forName("java.lang.StringUTF16");
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ResolvedJavaMethod caller = getResolvedJavaMethod(javaclass, "compress", char[].class, int.class, byte[].class, int.class, int.class);
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StructuredGraph graph = getReplacements().getIntrinsicGraph(caller, CompilationIdentifier.INVALID_COMPILATION_ID, getDebugContext(), null);
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assertInGraph(graph, AMD64StringUTF16CompressNode.class);
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InstalledCode code = getCode(caller, graph);
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for (int dstOffset = 0; dstOffset < 2; dstOffset++) {
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for (int srcOffset = 0; srcOffset < 2; srcOffset++) {
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for (int i = 0; i < N; i++) {
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int length = i2sz(i);
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char[] src = fillLatinChars(new char[length]);
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byte[] dst = new byte[length];
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int copiedLength = Math.max(0, length - Math.max(dstOffset, srcOffset));
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int dstDelta = Math.min(dstOffset, copiedLength);
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int srcDelta = Math.min(srcOffset, copiedLength);
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invokeSafe(caller, null, src, srcDelta, dst, dstDelta, copiedLength);
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// Perform a sanity check:
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for (int j = 0; j < copiedLength; j++) {
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int c = dst[j + dstDelta] & 0xFF;
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assert (32 <= c && c <= 126) || (160 <= c && c <= 255);
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assert (c == (src[j + srcDelta] & 0xFF));
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}
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byte[] dst2 = new byte[length];
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executeVarargsSafe(code, src, srcDelta, dst2, dstDelta, copiedLength);
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assertDeepEquals(dst, dst2);
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}
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}
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}
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}
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@SuppressWarnings("all")
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public static String testCompress(char[] a) {
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return new String(a);
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}
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@SuppressWarnings("all")
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public static char[] testInflate(String a) {
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return a.toCharArray();
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}
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private class TestMethods {
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TestMethods(String testmname, Class<?> javaclass, Class<?> intrinsicClass, String javamname, Class<?>... params) {
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javamethod = getResolvedJavaMethod(javaclass, javamname, params);
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testmethod = getResolvedJavaMethod(testmname);
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testgraph = getReplacements().getIntrinsicGraph(javamethod, CompilationIdentifier.INVALID_COMPILATION_ID, getDebugContext(), null);
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assertInGraph(testgraph, intrinsicClass);
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assert javamethod != null;
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assert testmethod != null;
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// Force the test method to be compiled.
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testcode = getCode(testmethod);
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assert testcode != null;
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}
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StructuredGraph replacementGraph() {
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return getReplacements().getSubstitution(javamethod, -1, false, null, getInitialOptions());
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}
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StructuredGraph testMethodGraph() {
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return testgraph;
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}
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void testSubstitution(Class<?> intrinsicclass) {
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// Check if the resulting graph contains the expected node.
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if (replacementGraph() == null) {
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assertInGraph(testMethodGraph(), intrinsicclass);
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}
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}
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Object invokeJava(Object... args) {
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return invokeSafe(javamethod, null, args);
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}
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Object invokeTest(Object... args) {
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return invokeSafe(testmethod, null, args);
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}
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Object invokeCode(Object... args) {
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return executeVarargsSafe(testcode, args);
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}
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// Private data section:
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private ResolvedJavaMethod javamethod;
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private ResolvedJavaMethod testmethod;
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private StructuredGraph testgraph;
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private InstalledCode testcode;
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}
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private static byte[] fillLatinBytes(byte[] v) {
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for (int ch = 32, i = 0; i < v.length; i++) {
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v[i] = (byte) (ch & 0xff);
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ch = ch == 126 ? 160 : (ch == 255 ? 32 : ch + 1);
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}
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return v;
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}
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private static char[] fillLatinChars(char[] v) {
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for (int ch = 32, i = 0; i < v.length; i++) {
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v[i] = (char) (ch & 0xff);
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ch = ch == 126 ? 160 : (ch == 255 ? 32 : ch + 1);
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}
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return v;
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}
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private static byte[] fillLatinChars(byte[] v) {
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for (int ch = 32, i = 0; i < v.length; i += 2) {
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v[i] = (byte) (ch & 0xff);
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ch = ch == 126 ? 160 : (ch == 255 ? 32 : ch + 1);
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}
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return v;
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}
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373 |
private static int i2sz(int i) {
|
|
374 |
return i * 3;
|
|
375 |
}
|
|
376 |
}
|