| /* |
| * Copyright (c) 2010, 2015, 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 8022161 |
| * @summary new option -Xpkginfo for better control of when package-info.class |
| * is generated, also ensures no failures if package-info.java is |
| * not available. |
| * @modules jdk.compiler |
| */ |
| |
| 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 { |
| testPositive(); |
| testNoExceptions(); |
| } |
| public void testPositive(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"); |
| } |
| |
| /** this should throw no exceptions **/ |
| void testNoExceptions() throws Exception { |
| count++; |
| System.err.println("Test " + count + ": ALWAYS nofile"); |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append("package test; class Hello{}"); |
| |
| // test specific tmp directory |
| File tmpDir = new File("tmp.test" + count); |
| File classesDir = new File(tmpDir, "classes"); |
| classesDir.mkdirs(); |
| File javafile = new File(new File(tmpDir, "src"), "Hello.java"); |
| writeFile(javafile, sb.toString()); |
| // build up list of options and files to be compiled |
| List<String> opts = new ArrayList<>(); |
| List<File> files = new ArrayList<>(); |
| |
| opts.add("-d"); |
| opts.add(classesDir.getPath()); |
| opts.add("-Xpkginfo:always"); |
| files.add(javafile); |
| |
| compile(opts, files); |
| } |
| |
| 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<>(); |
| List<File> files = new ArrayList<>(); |
| |
| 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<>(); |
| 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; |
| } |