139 lines
5.3 KiB
Java
139 lines
5.3 KiB
Java
/*
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* Copyright (c) 2014, 2015, 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 8031967
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* @summary Ensure javac can handle very deeply nested chain of method invocations occurring as
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* a parameter to other method invocations.
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* @modules jdk.compiler
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* @run main/othervm -Xss1m T8031967
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*/
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import java.io.IOException;
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import java.net.URI;
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import java.util.Arrays;
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import java.util.List;
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import javax.tools.DiagnosticListener;
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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.ToolProvider;
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import com.sun.source.util.JavacTask;
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public class T8031967 {
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public static void main(String... args) throws IOException {
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new T8031967().run();
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}
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final int depth = 50;
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private void run() throws IOException {
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runTestCase(true);
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runTestCase(false);
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}
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private void runTestCase(boolean withErrors) throws IOException {
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StringBuilder code = new StringBuilder();
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code.append("public class Test {\n" +
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" private void test() {\n" +
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" GroupLayout l = new GroupLayout();\n" +
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" l.setHorizontalGroup(\n");
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gen(code, depth);
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code.append(" );\n" +
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" }\n");
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if (!withErrors) {
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code.append(" class GroupLayout {\n" +
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" ParallelGroup createParallelGroup() {return null;}\n" +
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" ParallelGroup createParallelGroup(int i) {return null;}\n" +
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" ParallelGroup createParallelGroup(int i, int j) {return null;}\n" +
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" void setHorizontalGroup(Group g) { }\n" +
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" }\n" +
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" \n" +
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" class Group {\n" +
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" Group addGroup(Group g) { return this; }\n" +
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" Group addGroup(int i, Group g) { return this; }\n" +
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" Group addGap(int i) { return this; }\n" +
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" Group addGap(long l) { return this; }\n" +
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" Group addGap(int i, int j) { return this; }\n" +
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" Group addComponent(Object c) { return this; }\n" +
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" Group addComponent(int i, Object c) { return this; }\n" +
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" }\n" +
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" class ParallelGroup extends Group {\n" +
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" Group addGroup(Group g) { return this; }\n" +
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" Group addGroup(int i, Group g) { return this; }\n" +
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" Group addGap(int i) { return this; }\n" +
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" Group addGap(int i, int j) { return this; }\n" +
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" Group addComponent(Object c) { return this; }\n" +
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" Group addComponent(int i, Object c) { return this; }\n" +
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" }\n");
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}
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code.append("}\n");
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JavaSource source = new JavaSource(code.toString());
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List<JavaSource> sourceList = Arrays.asList(source);
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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DiagnosticListener<JavaFileObject> noErrors = (diagnostic) -> {
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throw new IllegalStateException("Should not produce errors: " + diagnostic);
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};
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JavacTask task = (JavacTask) compiler.getTask(null, null, withErrors ? null : noErrors,
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null, null, sourceList);
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task.analyze();
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}
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private void gen(StringBuilder code, int depth) {
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code.append("l.createParallelGroup()\n");
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if (depth > 0) {
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code.append(".addGroup(\n");
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gen(code, depth - 1);
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code.append(")");
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}
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code.append(".addGap(1)\n" +
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".addComponent(new Object())\n" +
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".addGap(1)\n" +
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".addComponent(new Object())");
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}
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class JavaSource extends SimpleJavaFileObject {
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final String code;
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public JavaSource(String code) {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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this.code = code;
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return code;
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}
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}
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}
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