1 /*
2 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 6572945
27 * @summary rewrite javah as an annotation processor, instead of as a doclet
28 * @modules jdk.compiler
29 * @build TestClass1 TestClass2 TestClass3
30 * @run main T6572945
31 */
32
33 import java.io.*;
34 import java.util.*;
35 import com.sun.tools.javah.Main;
36
37 public class T6572945
38 {
39 static File testSrc = new File(System.getProperty("test.src", "."));
40 static File testClasses = new File(System.getProperty("test.classes", "."));
41 static boolean isWindows = System.getProperty("os.name").startsWith("Windows");
42
43 public static void main(String... args)
44 throws IOException, InterruptedException
45 {
46 boolean ok = new T6572945().run(args);
47 if (!ok)
48 throw new Error("Test Failed");
49 }
50
51 public boolean run(String[] args)
52 throws IOException, InterruptedException
53 {
54 if (args.length == 1)
55 jdk = new File(args[0]);
56
57 test("-o", "jni.file.1", "-jni", "TestClass1");
58 test("-o", "jni.file.2", "-jni", "TestClass1", "TestClass2");
59 test("-d", "jni.dir.1", "-jni", "TestClass1", "TestClass2");
60 test("-o", "jni.file.3", "-jni", "TestClass3");
61
62 // The following tests are disabled because llni support has been
63 // discontinued, and because bugs in old javah means that character
64 // for character testing against output from old javah does not work.
65 // In fact, the LLNI impl in new javah is actually better than the
66 // impl in old javah because of a couple of significant bug fixes.
67
68 // test("-o", "llni.file.1", "-llni", "TestClass1");
69 // test("-o", "llni.file.2", "-llni", "TestClass1", "TestClass2");
70 // test("-d", "llni.dir.1", "-llni", "TestClass1", "TestClass2");
71 // test("-o", "llni.file.3", "-llni", "TestClass3");
72
73 return (errors == 0);
74 }
75
76 void test(String... args)
77 throws IOException, InterruptedException
78 {
79 String[] cp_args = new String[args.length + 2];
80 cp_args[0] = "-classpath";
81 cp_args[1] = testClasses.getPath();
82 System.arraycopy(args, 0, cp_args, 2, args.length);
83
84 if (jdk != null)
85 init(cp_args);
86
87 File out = null;
88 for (int i = 0; i < args.length; i++) {
89 if (args[i].equals("-o")) {
90 out = new File(args[++i]);
91 break;
92 } else if (args[i].equals("-d")) {
93 out = new File(args[++i]);
94 out.mkdirs();
95 break;
96 }
97 }
98
99 try {
100 System.out.println("test: " + Arrays.asList(cp_args));
101
102 // // Uncomment and use the following lines to execute javah via the
103 // // command line -- for example, to run old javah and set up the golden files
104 // List<String> cmd = new ArrayList<String>();
105 // File javaHome = new File(System.getProperty("java.home"));
106 // if (javaHome.getName().equals("jre"))
107 // javaHome = javaHome.getParentFile();
108 // File javah = new File(new File(javaHome, "bin"), "javah");
109 // cmd.add(javah.getPath());
110 // cmd.addAll(Arrays.asList(cp_args));
111 // ProcessBuilder pb = new ProcessBuilder(cmd);
112 // pb.redirectErrorStream(true);
113 // pb.start();
114 // Process p = pb.start();
115 // String line;
116 // BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
117 // while ((line = in.readLine()) != null)
118 // System.err.println(line);
119 // in.close();
120 // int rc = p.waitFor();
121
122 // Use new javah
123 PrintWriter err = new PrintWriter(System.err, true);
124 int rc = Main.run(cp_args, err);
125
126 if (rc != 0) {
127 error("javah failed: rc=" + rc);
128 return;
129 }
130
131 // The golden files use the LL suffix for long constants, which
132 // is used on Linux and Solaris. On Windows, the suffix is i64,
133 // so compare will update the golden files on the fly before the
134 // final comparison.
135 compare(new File(new File(testSrc, "gold"), out.getName()), out);
136 } catch (Throwable t) {
137 t.printStackTrace();
138 error("javah threw exception");
139 }
140 }
141
142 void init(String[] args) throws IOException, InterruptedException {
143 String[] cmdArgs = new String[args.length + 1];
144 cmdArgs[0] = new File(new File(jdk, "bin"), "javah").getPath();
145 System.arraycopy(args, 0, cmdArgs, 1, args.length);
146
147 System.out.println("init: " + Arrays.asList(cmdArgs));
148
149 ProcessBuilder pb = new ProcessBuilder(cmdArgs);
150 pb.directory(new File(testSrc, "gold"));
151 pb.redirectErrorStream(true);
152 Process p = pb.start();
153 BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
154 String line;
155 while ((line = in.readLine()) != null)
156 System.out.println("javah: " + line);
157 int rc = p.waitFor();
158 if (rc != 0)
159 error("javah: exit code " + rc);
160 }
161
162 /** Compare two directories.
163 * @param f1 The golden directory
164 * @param f2 The directory to be compared
165 */
166 void compare(File f1, File f2) {
167 compare(f1, f2, null);
168 }
169
170 /** Compare two files or directories
171 * @param f1 The golden directory
172 * @param f2 The directory to be compared
173 * @param p An optional path identifying a file within the two directories
174 */
175 void compare(File f1, File f2, String p) {
176 File f1p = (p == null ? f1 : new File(f1, p));
177 File f2p = (p == null ? f2 : new File(f2, p));
178 System.out.println("compare " + f1p + " " + f2p);
179 if (f1p.isDirectory() && f2p.isDirectory()) {
180 Set<String> children = new HashSet<String>();
181 children.addAll(Arrays.asList(f1p.list()));
182 children.addAll(Arrays.asList(f2p.list()));
183 for (String c: children) {
184 compare(f1, f2, new File(p, c).getPath()); // null-safe for p
185 }
186 }
187 else if (f1p.isFile() && f2p.isFile()) {
188 String s1 = read(f1p);
189 if (isWindows) {
190 // f1/s1 is the golden file
191 // on Windows, long constants use the i64 suffix, not LL
192 s1 = s1.replaceAll("( [0-9]+)LL\n", "$1i64\n");
193 }
194 String s2 = read(f2p);
195 if (!s1.equals(s2)) {
196 System.out.println("File: " + f1p + "\n" + s1);
197 System.out.println("File: " + f2p + "\n" + s2);
198 error("Files differ: " + f1p + " " + f2p);
199 }
200 }
201 else if (f1p.exists() && !f2p.exists())
202 error("Only in " + f1 + ": " + p);
203 else if (f2p.exists() && !f1p.exists())
204 error("Only in " + f2 + ": " + p);
205 else
206 error("Files differ: " + f1p + " " + f2p);
207 }
208
209 private String read(File f) {
210 try {
211 BufferedReader in = new BufferedReader(new FileReader(f));
212 try {
213 StringBuilder sb = new StringBuilder((int) f.length());
214 String line;
215 while ((line = in.readLine()) != null) {
216 sb.append(line);
217 sb.append("\n");
218 }
219 return sb.toString();
220 } finally {
221 try {
222 in.close();
223 } catch (IOException e) {
224 }
225 }
226 } catch (IOException e) {
227 error("error reading " + f + ": " + e);
228 return "";
229 }
230 }
231
232
233 private void error(String msg) {
234 System.out.println(msg);
235 errors++;
236 }
237
238 private int errors;
239 private File jdk;
240 }