--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/TestPkgInfo.java Wed Aug 25 11:40:25 2010 -0700
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2010, 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 6960424
+ * @summary new option -Xpkginfo for better control of when package-info.class is generated
+ */
+
+import java.io.*;
+import java.util.*;
+
+public class TestPkgInfo {
+ enum OptKind {
+ NONE(null),
+ ALWAYS("-Xpkginfo:always"),
+ NONEMPTY("-Xpkginfo:nonempty"),
+ LEGACY("-Xpkginfo:legacy");
+ OptKind(String opt) { this.opt = opt; }
+ final String opt;
+ };
+
+ public static void main(String... args) throws Exception {
+ new TestPkgInfo().run(args);
+ }
+
+ public void run(String... args) throws Exception {
+ boolean[] booleanValues = { false, true };
+ for (OptKind ok: OptKind.values()) {
+ for (boolean sr: booleanValues) {
+ for (boolean cr: booleanValues) {
+ for (boolean rr: booleanValues) {
+ try {
+ test(ok, sr, cr, rr);
+ } catch (Exception e) {
+ error("Exception: " + e);
+ }
+ if (errors > 0) throw new AssertionError();
+ }
+ }
+ }
+ }
+
+ if (errors > 0)
+ throw new Exception(errors + " errors occurred");
+ }
+
+ void test(OptKind ok, boolean sr, boolean cr, boolean rr) throws Exception {
+ count++;
+ System.err.println("Test " + count + ": ok:" + ok + " sr:" + sr + " cr:" + cr + " rr:" + rr);
+
+ StringBuilder sb = new StringBuilder();
+
+ // create annotated package statement with all combinations of retention policy
+ if (sr) sb.append("@SR\n");
+ if (cr) sb.append("@CR\n");
+ if (rr) sb.append("@RR\n");
+ sb.append("package p;\n");
+ sb.append("\n");
+
+ sb.append("import java.lang.annotation.*;\n");
+ sb.append("@Retention(RetentionPolicy.SOURCE) @interface SR { }\n");
+ sb.append("@Retention(RetentionPolicy.CLASS) @interface CR { }\n");
+ sb.append("@Retention(RetentionPolicy.RUNTIME) @interface RR { }\n");
+
+ // test specific tmp directory
+ File tmpDir = new File("tmp.test" + count);
+ File classesDir = new File(tmpDir, "classes");
+ classesDir.mkdirs();
+ File pkginfo_java = new File(new File(tmpDir, "src"), "package-info.java");
+ writeFile(pkginfo_java, sb.toString());
+
+ // build up list of options and files to be compiled
+ List<String> opts = new ArrayList<String>();
+ List<File> files = new ArrayList<File>();
+
+ opts.add("-d");
+ opts.add(classesDir.getPath());
+ if (ok.opt != null)
+ opts.add(ok.opt);
+ //opts.add("-verbose");
+ files.add(pkginfo_java);
+
+ compile(opts, files);
+
+ File pkginfo_class = new File(new File(classesDir, "p"), "package-info.class");
+ boolean exists = pkginfo_class.exists();
+
+ boolean expected;
+ switch (ok) {
+ case ALWAYS:
+ expected = true;
+ break;
+
+ case LEGACY:
+ case NONE:
+ expected = (sr || cr || rr ); // any annotation
+ break;
+
+ case NONEMPTY:
+ expected = (cr || rr ); // any annotation in class file
+ break;
+
+ default:
+ throw new IllegalStateException();
+ }
+
+ if (exists && !expected)
+ error("package-info.class found but not expected");
+ if (!exists && expected)
+ error("package-info.class expected but not found");
+ }
+
+ /** Compile files with options provided. */
+ void compile(List<String> opts, List<File> files) throws Exception {
+ System.err.println("javac: " + opts + " " + files);
+ List<String> args = new ArrayList<String>();
+ args.addAll(opts);
+ for (File f: files)
+ args.add(f.getPath());
+ StringWriter sw = new StringWriter();
+ PrintWriter pw = new PrintWriter(sw);
+ int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
+ pw.flush();
+ if (sw.getBuffer().length() > 0)
+ System.err.println(sw.toString());
+ if (rc != 0)
+ throw new Exception("compilation failed: rc=" + rc);
+ }
+
+ /** Write a file with a given body. */
+ void writeFile(File f, String body) throws Exception {
+ if (f.getParentFile() != null)
+ f.getParentFile().mkdirs();
+ Writer out = new FileWriter(f);
+ try {
+ out.write(body);
+ } finally {
+ out.close();
+ }
+ }
+
+ /** Report an error. */
+ void error(String msg) {
+ System.err.println("Error: " + msg);
+ errors++;
+ }
+
+ /** Test case counter. */
+ int count;
+
+ /** Number of errors found. */
+ int errors;
+}