126 lines
4.0 KiB
Java
126 lines
4.0 KiB
Java
/*
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* Copyright (c) 2012, 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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* @bug 7142086 8337334
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* @requires vm.debug == false
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* @summary performance problem in Check.checkOverrideClashes(...)
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* @modules jdk.compiler
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* @run main/timeout=10 T7142086
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*/
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/*
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* @test
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* @requires vm.debug == true
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* @modules jdk.compiler
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* @run main/timeout=20 T7142086
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*/
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import com.sun.source.util.JavacTask;
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import java.net.URI;
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import java.util.List;
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import java.util.ArrayList;
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import java.util.Locale;
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import javax.tools.Diagnostic;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.ToolProvider;
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public class T7142086 {
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final static int N_METHODS = 1000;
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static class TestClass extends SimpleJavaFileObject {
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String methTemplate = "abstract void m(A#N p);";
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String classTemplate = "abstract class Test { #M }";
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String source;
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public TestClass() {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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StringBuilder buf = new StringBuilder();
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for (int i = 0 ; i < N_METHODS ; i++) {
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buf.append(methTemplate.replace("#N", String.valueOf(i)));
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buf.append("\n");
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}
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source = classTemplate.replace("#M", buf.toString());
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return source;
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}
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}
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static class AnSource extends SimpleJavaFileObject {
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String classTemplate = "abstract class A#N { }";
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String source;
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public AnSource(int n) {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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source = classTemplate.replace("#N", String.valueOf(n));
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return source;
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}
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}
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public static void main(String... args) throws Exception {
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ArrayList<JavaFileObject> sources = new ArrayList<>();
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for (int i = 0 ; i < N_METHODS ; i++) {
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sources.add(new AnSource(i));
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}
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sources.add(new TestClass());
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new T7142086().run(sources);
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}
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void run(List<JavaFileObject> sources) throws Exception {
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DiagnosticChecker dc = new DiagnosticChecker();
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JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
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try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
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JavacTask ct = (JavacTask)comp.getTask(null, fm, dc,
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null, null, sources);
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ct.analyze();
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}
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}
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static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
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boolean errorFound;
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public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
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if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
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throw new AssertionError("unexpected diagnostic: " + diagnostic.getMessage(Locale.getDefault()));
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}
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}
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}
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}
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