--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/classfiles/attributes/LineNumberTable/Container.java Thu Oct 16 14:31:37 2014 -0700
@@ -0,0 +1,80 @@
+/*
+ * 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.
+ */
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.IntStream;
+
+import static java.util.stream.Collectors.toList;
+
+/**
+ * Source code template container. Contains methods for inserting one template inside another one and for generating
+ * final sources replacing placeholder by language construction.
+ */
+public class Container {
+
+ private static final String TEMPLATE_LEVEL = "#LEVEL";
+ private static final String SUB_TEMPLATE = "#SUB_TEMPLATE";
+
+ private String template;
+ private int level;
+
+ Container(String template) {
+ this.template = template;
+ }
+
+ public String getTemplate() {
+ return template;
+ }
+
+ public Container insert(Container container) {
+ template = template.replace(SUB_TEMPLATE, container.getTemplate());
+ template = template.replaceAll(TEMPLATE_LEVEL, String.valueOf(level++));
+ return this;
+ }
+
+ public List<TestCase> generate(Construction... constructions) throws IOException {
+ List<TestCase> testCases = new ArrayList<>();
+ String template = getTemplate();
+
+ int lineNumberOffset = template.substring(0, template.indexOf(SUB_TEMPLATE)).split("\n").length - 1;
+ for (Construction c : constructions) {
+ String src = template.replace(SUB_TEMPLATE, c.getSource());
+ Collection<Integer> significantLines = IntStream.of(c.getExpectedLines())
+ .mapToObj(line -> lineNumberOffset + line)
+ .collect(toList());
+ testCases.add(new TestCase(src, significantLines, c.name()));
+ }
+ return testCases;
+ }
+
+ public interface Construction {
+ String getSource();
+
+ int[] getExpectedLines();
+
+ String name();
+ }
+}