151 lines
5.7 KiB
Java
151 lines
5.7 KiB
Java
/*
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* Copyright (c) 2024, 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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* @summary Check if error is thrown if annotation array exceeds limit
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* @library /tools/lib
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* @run main ParameterArrayLimit
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*/
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import java.io.BufferedWriter;
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import java.io.IOException;
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import java.net.URI;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.text.MessageFormat;
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import java.util.Collections;
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import java.util.List;
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import javax.tools.*;
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import com.sun.source.util.JavacTask;
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public class ParameterArrayLimit {
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public static void main(String[] args) throws IOException {
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int[] values = new int[]{65536, 65537, 512000};
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String[] retPolicies = {"RUNTIME", "CLASS"};
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for (var value : values) {
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Path tmpDir = Paths.get(System.getProperty("java.io.tmpdir"));
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for (String retPolicy : retPolicies) {
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String className = MessageFormat.format("ClassAnnotationWithLength_{0,number,#}_{1}.java",
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value,
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retPolicy);
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Path out = tmpDir.resolve(className);
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createAnnotationFile(out, value, retPolicy, false);
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checkParamArrayWarning(className, out);
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}
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for (String retPolicy : retPolicies) {
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String className = MessageFormat.format("TypeAnnotationWithLength_{0,number,#}_{1}.java",
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value,
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retPolicy);
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Path out = tmpDir.resolve(className);
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createAnnotationFile(out, value, retPolicy, true);
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checkParamArrayWarning(className, out);
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}
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}
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}
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private static void checkParamArrayWarning(String className, Path out) throws IOException {
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JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
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DiagnosticCollector<JavaFileObject> d = new DiagnosticCollector<>();
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JavacTask task = (JavacTask) javaCompiler.getTask(
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null,
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null,
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d,
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null,
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null,
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Collections.singletonList(
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SimpleJavaFileObject.forSource(
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URI.create("myfo:/" + className),
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Files.readString(out)
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)));
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task.call();
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List<Diagnostic<? extends JavaFileObject>> diagnosticList = d.getDiagnostics();
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if (diagnosticList.isEmpty()) {
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throw new RuntimeException("No diagnostic found");
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}
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for (Diagnostic<? extends JavaFileObject> diagnostic : diagnosticList) {
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if (!(diagnostic.getKind() == Diagnostic.Kind.ERROR
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&& diagnostic.getCode()
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.equals("compiler.err.annotation.array.too.large"))) {
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throw new RuntimeException("Unexpected diagnostic: " + diagnostic.getMessage(null));
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}
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}
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}
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private static void createAnnotationFile(Path out, int value, String retPolicy, boolean isTypeAnnotation) throws IOException {
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StringBuilder sb = new StringBuilder();
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if (isTypeAnnotation) {
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sb.append(MessageFormat.format("""
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import java.lang.annotation.*;
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@Retention(RetentionPolicy.{0})
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@Target(ElementType.TYPE_USE)
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@interface TypeAnno '{'
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long[] arr();
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'}'
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""", retPolicy));
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sb.append(MessageFormat.format("""
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public class TypeAnnotationWithLength_{0,number,#}_{1}'{'
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@TypeAnno(arr = '{'
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""", value, retPolicy));
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} else {
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sb.append(MessageFormat.format("""
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import java.lang.annotation.*;
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@Retention(RetentionPolicy.{0})
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@interface MyCustomAnno '{'
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String value() default "default value";
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long[] arr();
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int count() default 0;
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'}'
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""", retPolicy));
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sb.append(MessageFormat.format("""
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public class ClassAnnotationWithLength_{0,number,#}_{1}'{'
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@MyCustomAnno(value = "custom", count = 42, arr = '{'
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""", value, retPolicy));
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}
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sb.append("-1,".repeat(Math.max(0, value - 1)));
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sb.append("-1})");
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sb.append("""
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static int x = 3;
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public void myAnnotatedMethod() { }
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}
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""");
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try (BufferedWriter bufferedWriter = Files.newBufferedWriter(out)) {
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bufferedWriter.write(sb.toString());
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}
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}
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}
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