1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/7142086/T7142086.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,115 @@
1.4 +/*
1.5 + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 7142086
1.30 + * @summary performance problem in Check.checkOverrideClashes(...)
1.31 + * @run main/timeout=10 T7142086
1.32 + */
1.33 +
1.34 +import com.sun.source.util.JavacTask;
1.35 +import java.net.URI;
1.36 +import java.util.List;
1.37 +import java.util.ArrayList;
1.38 +import java.util.Locale;
1.39 +import javax.tools.Diagnostic;
1.40 +import javax.tools.JavaCompiler;
1.41 +import javax.tools.JavaFileObject;
1.42 +import javax.tools.SimpleJavaFileObject;
1.43 +import javax.tools.StandardJavaFileManager;
1.44 +import javax.tools.ToolProvider;
1.45 +
1.46 +public class T7142086 {
1.47 +
1.48 + final static int N_METHODS = 1000;
1.49 +
1.50 + static class TestClass extends SimpleJavaFileObject {
1.51 +
1.52 + String methTemplate = "abstract void m(A#N p);";
1.53 + String classTemplate = "abstract class Test { #M }";
1.54 +
1.55 + String source;
1.56 +
1.57 + public TestClass() {
1.58 + super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
1.59 + StringBuilder buf = new StringBuilder();
1.60 + for (int i = 0 ; i < N_METHODS ; i++) {
1.61 + buf.append(methTemplate.replace("#N", String.valueOf(i)));
1.62 + buf.append("\n");
1.63 + }
1.64 + source = classTemplate.replace("#M", buf.toString());
1.65 + }
1.66 +
1.67 + @Override
1.68 + public CharSequence getCharContent(boolean ignoreEncodingErrors) {
1.69 + return source;
1.70 + }
1.71 + }
1.72 +
1.73 + static class AnSource extends SimpleJavaFileObject {
1.74 +
1.75 + String classTemplate = "abstract class A#N { }";
1.76 +
1.77 + String source;
1.78 +
1.79 + public AnSource(int n) {
1.80 + super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
1.81 + source = classTemplate.replace("#N", String.valueOf(n));
1.82 + }
1.83 +
1.84 + @Override
1.85 + public CharSequence getCharContent(boolean ignoreEncodingErrors) {
1.86 + return source;
1.87 + }
1.88 + }
1.89 +
1.90 + public static void main(String... args) throws Exception {
1.91 + ArrayList<JavaFileObject> sources = new ArrayList<>();
1.92 + for (int i = 0 ; i < N_METHODS ; i++) {
1.93 + sources.add(new AnSource(i));
1.94 + }
1.95 + sources.add(new TestClass());
1.96 + new T7142086().run(sources);
1.97 + }
1.98 +
1.99 + void run(List<JavaFileObject> sources) throws Exception {
1.100 + DiagnosticChecker dc = new DiagnosticChecker();
1.101 + JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
1.102 + StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
1.103 + JavacTask ct = (JavacTask)comp.getTask(null, fm, dc,
1.104 + null, null, sources);
1.105 + ct.analyze();
1.106 + }
1.107 +
1.108 + static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
1.109 +
1.110 + boolean errorFound;
1.111 +
1.112 + public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
1.113 + if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
1.114 + throw new AssertionError("unexpected diagnostic: " + diagnostic.getMessage(Locale.getDefault()));
1.115 + }
1.116 + }
1.117 + }
1.118 +}
