--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/T8031967.java Fri May 30 12:54:16 2014 +0200
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8031967
+ * @summary Ensure javac can handle very deeply nested chain of method invocations occurring as
+ * a parameter to other method invocations.
+ * @run main T8031967
+ */
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.tools.DiagnosticListener;
+import javax.tools.JavaCompiler;
+import javax.tools.JavaFileObject;
+import javax.tools.SimpleJavaFileObject;
+import javax.tools.ToolProvider;
+
+import com.sun.source.util.JavacTask;
+
+public class T8031967 {
+
+ public static void main(String... args) throws IOException {
+ new T8031967().run();
+ }
+
+ final int depth = 50;
+
+ private void run() throws IOException {
+ runTestCase(true);
+ runTestCase(false);
+ }
+
+ private void runTestCase(boolean withErrors) throws IOException {
+ StringBuilder code = new StringBuilder();
+
+ code.append("public class Test {\n" +
+ " private void test() {\n" +
+ " GroupLayout l = new GroupLayout();\n" +
+ " l.setHorizontalGroup(\n");
+
+ gen(code, depth);
+ code.append(" );\n" +
+ " }\n");
+ if (!withErrors) {
+ code.append(" class GroupLayout {\n" +
+ " ParallelGroup createParallelGroup() {return null;}\n" +
+ " ParallelGroup createParallelGroup(int i) {return null;}\n" +
+ " ParallelGroup createParallelGroup(int i, int j) {return null;}\n" +
+ " void setHorizontalGroup(Group g) { }\n" +
+ " }\n" +
+ " \n" +
+ " class Group {\n" +
+ " Group addGroup(Group g) { return this; }\n" +
+ " Group addGroup(int i, Group g) { return this; }\n" +
+ " Group addGap(int i) { return this; }\n" +
+ " Group addGap(long l) { return this; }\n" +
+ " Group addGap(int i, int j) { return this; }\n" +
+ " Group addComponent(Object c) { return this; }\n" +
+ " Group addComponent(int i, Object c) { return this; }\n" +
+ " }\n" +
+ " class ParallelGroup extends Group {\n" +
+ " Group addGroup(Group g) { return this; }\n" +
+ " Group addGroup(int i, Group g) { return this; }\n" +
+ " Group addGap(int i) { return this; }\n" +
+ " Group addGap(int i, int j) { return this; }\n" +
+ " Group addComponent(Object c) { return this; }\n" +
+ " Group addComponent(int i, Object c) { return this; }\n" +
+ " }\n");
+ }
+
+ code.append("}\n");
+
+ JavaSource source = new JavaSource(code.toString());
+ List<JavaSource> sourceList = Arrays.asList(source);
+ JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+ DiagnosticListener<JavaFileObject> noErrors = (diagnostic) -> {
+ throw new IllegalStateException("Should not produce errors: " + diagnostic);
+ };
+ JavacTask task = (JavacTask) compiler.getTask(null, null, withErrors ? null : noErrors,
+ null, null, sourceList);
+
+ task.analyze();
+ }
+
+ private void gen(StringBuilder code, int depth) {
+ code.append("l.createParallelGroup()\n");
+ if (depth > 0) {
+ code.append(".addGroup(\n");
+ gen(code, depth - 1);
+ code.append(")");
+ }
+
+ code.append(".addGap(1)\n" +
+ ".addComponent(new Object())\n" +
+ ".addGap(1)\n" +
+ ".addComponent(new Object())");
+ }
+
+ class JavaSource extends SimpleJavaFileObject {
+
+ final String code;
+ public JavaSource(String code) {
+ super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
+ this.code = code;
+ }
+
+ @Override
+ public CharSequence getCharContent(boolean ignoreEncodingErrors) {
+ return code;
+ }
+ }
+}