SJavacTester.java revision 2958:27da0c3ac83a 
1235274Sgabor/*
2235274Sgabor * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
3235274Sgabor * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4235274Sgabor *
5235274Sgabor * This code is free software; you can redistribute it and/or modify it
6235274Sgabor * under the terms of the GNU General Public License version 2 only, as
7235274Sgabor * published by the Free Software Foundation.
8235274Sgabor *
9235274Sgabor * This code is distributed in the hope that it will be useful, but WITHOUT
10235274Sgabor * 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
24import java.util.*;
25import java.io.*;
26import java.nio.file.*;
27import java.nio.file.attribute.*;
28
29import com.sun.tools.sjavac.Main;
30
31public class SJavacTester {
32
33    static final String SERVER_ARG = "--server:"
34            + "portfile=testportfile,"
35            + "background=false";
36
37    final Path TEST_ROOT = Paths.get(getClass().getSimpleName());
38
39    // Generated sources that will test aspects of sjavac
40    final Path GENSRC = TEST_ROOT.resolve("gensrc");
41    // Gensrc dirs used to test merging of serveral source roots.
42    final Path GENSRC2 = TEST_ROOT.resolve("gensrc2");
43    final Path GENSRC3 = TEST_ROOT.resolve("gensrc3");
44
45    // Dir for compiled classes.
46    final Path BIN = TEST_ROOT.resolve("bin");
47    // Dir for c-header files.
48    final Path HEADERS = TEST_ROOT.resolve("headers");
49
50    // Remember the previous bin and headers state here.
51    Map<String,Long> previous_bin_state;
52    Map<String,Long> previous_headers_state;
53
54    void initialCompile() throws Exception {
55        System.out.println("\nInitial compile of gensrc.");
56        ToolBox tb = new ToolBox();
57        tb.writeFile(GENSRC.resolve("alfa/omega/AINT.java"),
58                     "package alfa.omega; public interface AINT { void aint(); }");
59        tb.writeFile(GENSRC.resolve("alfa/omega/A.java"),
60                     "package alfa.omega; public class A implements AINT { "+
61                     "public final static int DEFINITION = 17; public void aint() { } }");
62        tb.writeFile(GENSRC.resolve("alfa/omega/AA.java"),
63            "package alfa.omega;"+
64            "// A package private class, not contributing to the public api.\n"+
65            "class AA {"+
66            "   // A properly nested static inner class.\n"+
67            "    static class AAA { }\n"+
68            "    // A properly nested inner class.\n"+
69            "    class AAAA { }\n"+
70            "    Runnable foo() {\n"+
71            "        // A proper anonymous class.\n"+
72            "        return new Runnable() { public void run() { } };\n"+
73            "    }\n"+
74            "    AAA aaa;\n"+
75            "    AAAA aaaa;\n"+
76            "    AAAAA aaaaa;\n"+
77            "}\n"+
78            "class AAAAA {\n"+
79            "    // A bad auxiliary class, but no one is referencing it\n"+
80            "    // from outside of this source file, therefore it is ok.\n"+
81            "}\n");
82        tb.writeFile(GENSRC.resolve("beta/BINT.java"),
83                     "package beta;public interface BINT { void foo(); }");
84        tb.writeFile(GENSRC.resolve("beta/B.java"),
85                     "package beta; import alfa.omega.A; public class B {"+
86                     "private int b() { return A.DEFINITION; } native void foo(); }");
87
88        compile(GENSRC.toString(),
89                "-d", BIN.toString(),
90                "-h", HEADERS.toString(),
91                "-j", "1",
92                SERVER_ARG,
93                "--log=debug");
94    }
95
96    void removeFrom(Path dir, String... args) throws IOException {
97        for (String filename : args) {
98            Path p = dir.resolve(filename);
99            Files.delete(p);
100        }
101    }
102
103    void delete(final Path root) throws IOException {
104        if (!Files.exists(root)) return;
105        Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
106                 @Override
107                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException
108                 {
109                     Files.delete(file);
110                     return FileVisitResult.CONTINUE;
111                 }
112
113                 @Override
114                 public FileVisitResult postVisitDirectory(Path dir, IOException e) throws IOException
115                 {
116                     if (e == null) {
117                         if (!dir.equals(root)) Files.delete(dir);
118                         return FileVisitResult.CONTINUE;
119                     } else {
120                         // directory iteration failed
121                         throw e;
122                     }
123                 }
124            });
125    }
126
127    void compile(String... args) throws Exception {
128        int rc = Main.go(args);
129        if (rc != 0) throw new Exception("Error during compile!");
130
131        // Wait a second, to get around the (temporary) problem with
132        // second resolution in the Java file api. But do not do this
133        // on windows where the timestamps work.
134        long in_a_sec = System.currentTimeMillis()+1000;
135        while (in_a_sec > System.currentTimeMillis()) {
136            try {
137                Thread.sleep(1000);
138            } catch (InterruptedException e) {
139            }
140        }
141    }
142
143    void compileExpectFailure(String... args) throws Exception {
144        int rc = Main.go(args);
145        if (rc == 0) throw new Exception("Expected error during compile! Did not fail!");
146    }
147
148    Map<String,Long> collectState(Path dir) throws IOException {
149        final Map<String,Long> files = new HashMap<>();
150        Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {
151                 @Override
152                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
153                   throws IOException
154                 {
155                     files.put(file.toString(),new Long(Files.getLastModifiedTime(file).toMillis()));
156                     return FileVisitResult.CONTINUE;
157                 }
158            });
159        return files;
160    }
161
162    void verifyThatFilesHaveBeenRemoved(Map<String,Long> from,
163                                        Map<String,Long> to,
164                                        String... args) throws Exception {
165
166        Set<String> froms = from.keySet();
167        Set<String> tos = to.keySet();
168
169        if (froms.equals(tos)) {
170            throw new Exception("Expected new state to have fewer files than previous state!");
171        }
172
173        for (String t : tos) {
174            if (!froms.contains(t)) {
175                throw new Exception("Expected "+t+" to exist in previous state!");
176            }
177        }
178
179        for (String f : args) {
180            f = f.replace("/", File.separator);
181            if (!froms.contains(f)) {
182                throw new Exception("Expected "+f+" to exist in previous state!");
183            }
184            if (tos.contains(f)) {
185                throw new Exception("Expected "+f+" to have been removed from the new state!");
186            }
187        }
188
189        if (froms.size() - args.length != tos.size()) {
190            throw new Exception("There are more removed files than the expected list!");
191        }
192    }
193
194    void verifyThatFilesHaveBeenAdded(Map<String,Long> from,
195                                      Map<String,Long> to,
196                                      String... args) throws Exception {
197
198        Set<String> froms = from.keySet();
199        Set<String> tos = to.keySet();
200
201        if (froms.equals(tos)) {
202            throw new Exception("Expected new state to have more files than previous state!");
203        }
204
205        for (String t : froms) {
206            if (!tos.contains(t)) {
207                throw new Exception("Expected "+t+" to exist in new state!");
208            }
209        }
210
211        for (String f : args) {
212            f = f.replace("/", File.separator);
213            if (!tos.contains(f)) {
214                throw new Exception("Expected "+f+" to have been added to new state!");
215            }
216            if (froms.contains(f)) {
217                throw new Exception("Expected "+f+" to not exist in previous state!");
218            }
219        }
220
221        if (froms.size() + args.length != tos.size()) {
222            throw new Exception("There are more added files than the expected list!");
223        }
224    }
225
226    void verifyNewerFiles(Map<String,Long> from,
227                          Map<String,Long> to,
228                          String... args) throws Exception {
229        if (!from.keySet().equals(to.keySet())) {
230            throw new Exception("Expected the set of files to be identical!");
231        }
232        Set<String> files = new HashSet<String>();
233        for (String s : args) {
234            files.add(s.replace("/", File.separator));
235        }
236        for (String fn : from.keySet()) {
237            long f = from.get(fn);
238            long t = to.get(fn);
239            if (files.contains(fn)) {
240                if (t <= f) {
241                    throw new Exception("Expected "+fn+" to have a more recent timestamp!");
242                }
243            } else {
244                if (t != f) {
245                    throw new Exception("Expected "+fn+" to have the same timestamp!");
246                }
247            }
248        }
249    }
250
251    String print(Map<String,Long> m) {
252        StringBuilder b = new StringBuilder();
253        Set<String> keys = m.keySet();
254        for (String k : keys) {
255            b.append(k+" "+m.get(k)+"\n");
256        }
257        return b.toString();
258    }
259
260    void verifyEqual(Map<String,Long> from, Map<String,Long> to) throws Exception {
261        if (!from.equals(to)) {
262            System.out.println("FROM---"+print(from));
263            System.out.println("TO-----"+print(to));
264            throw new Exception("The dir should not differ! But it does!");
265        }
266    }
267
268    void clean(Path... listOfDirs) throws Exception {
269        for (Path dir : listOfDirs) {
270            delete(dir);
271        }
272    }
273}
274