SJavacTester.java revision 3314:97ec97671022 
1/*
2 * Copyright (c) 2014, 2016, 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
24import java.util.*;
25import java.io.*;
26import java.nio.file.*;
27import java.nio.file.attribute.*;
28
29import com.sun.tools.sjavac.Main;
30
31import toolbox.ToolBox;
32
33public class SJavacTester {
34
35    final ToolBox tb = new ToolBox();
36    final Path TEST_ROOT = Paths.get(getClass().getSimpleName());
37
38    // Generated sources that will test aspects of sjavac
39    final Path GENSRC = TEST_ROOT.resolve("gensrc");
40    // Gensrc dirs used to test merging of serveral source roots.
41    final Path GENSRC2 = TEST_ROOT.resolve("gensrc2");
42    final Path GENSRC3 = TEST_ROOT.resolve("gensrc3");
43
44    // Dir for compiled classes.
45    final Path BIN = TEST_ROOT.resolve("bin");
46    // Dir for c-header files.
47    final Path HEADERS = TEST_ROOT.resolve("headers");
48
49    // Remember the previous bin and headers state here.
50    Map<String,Long> previous_bin_state;
51    Map<String,Long> previous_headers_state;
52
53    void initialCompile() throws Exception {
54        System.out.println("\nInitial compile of gensrc.");
55        tb.writeFile(GENSRC.resolve("alfa/omega/AINT.java"),
56                     "package alfa.omega; public interface AINT { void aint(); }");
57        tb.writeFile(GENSRC.resolve("alfa/omega/A.java"),
58                     "package alfa.omega; public class A implements AINT { "+
59                     "public final static int DEFINITION = 17; public void aint() { } }");
60        tb.writeFile(GENSRC.resolve("alfa/omega/AA.java"),
61            "package alfa.omega;"+
62            "// A package private class, not contributing to the public api.\n"+
63            "class AA {"+
64            "   // A properly nested static inner class.\n"+
65            "    static class AAA { }\n"+
66            "    // A properly nested inner class.\n"+
67            "    class AAAA { }\n"+
68            "    Runnable foo() {\n"+
69            "        // A proper anonymous class.\n"+
70            "        return new Runnable() { public void run() { } };\n"+
71            "    }\n"+
72            "    AAA aaa;\n"+
73            "    AAAA aaaa;\n"+
74            "    AAAAA aaaaa;\n"+
75            "}\n"+
76            "class AAAAA {\n"+
77            "    // A bad auxiliary class, but no one is referencing it\n"+
78            "    // from outside of this source file, therefore it is ok.\n"+
79            "}\n");
80        tb.writeFile(GENSRC.resolve("beta/BINT.java"),
81                     "package beta;public interface BINT { void foo(); }");
82        tb.writeFile(GENSRC.resolve("beta/B.java"),
83                     "package beta; import alfa.omega.A; public class B {"+
84                     "private int b() { return A.DEFINITION; } native void foo(); }");
85
86        compile(GENSRC.toString(),
87                "-d", BIN.toString(),
88                "--state-dir=" + BIN,
89                "-h", HEADERS.toString(),
90                "-j", "1",
91                "--log=debug");
92    }
93
94    void removeFrom(Path dir, String... args) throws IOException {
95        for (String filename : args) {
96            Path p = dir.resolve(filename);
97            Files.delete(p);
98        }
99    }
100
101    void compile(String... args) throws Exception {
102        int rc = Main.go(args);
103        if (rc != 0) throw new Exception("Error during compile!");
104
105        // Wait a second, to get around the (temporary) problem with
106        // second resolution in the Java file api. But do not do this
107        // on windows where the timestamps work.
108        long in_a_sec = System.currentTimeMillis()+1000;
109        while (in_a_sec > System.currentTimeMillis()) {
110            try {
111                Thread.sleep(1000);
112            } catch (InterruptedException e) {
113            }
114        }
115    }
116
117    void compileExpectFailure(String... args) throws Exception {
118        int rc = Main.go(args);
119        if (rc == 0) throw new Exception("Expected error during compile! Did not fail!");
120    }
121
122    Map<String,Long> collectState(Path dir) throws IOException {
123        final Map<String,Long> files = new HashMap<>();
124        Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {
125                 @Override
126                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
127                   throws IOException
128                 {
129                     files.put(file.toString(),new Long(Files.getLastModifiedTime(file).toMillis()));
130                     return FileVisitResult.CONTINUE;
131                 }
132            });
133        return files;
134    }
135
136    void verifyThatFilesHaveBeenRemoved(Map<String,Long> from,
137                                        Map<String,Long> to,
138                                        String... args) throws Exception {
139
140        Set<String> froms = from.keySet();
141        Set<String> tos = to.keySet();
142
143        if (froms.equals(tos)) {
144            throw new Exception("Expected new state to have fewer files than previous state!");
145        }
146
147        for (String t : tos) {
148            if (!froms.contains(t)) {
149                throw new Exception("Expected "+t+" to exist in previous state!");
150            }
151        }
152
153        for (String f : args) {
154            f = f.replace("/", File.separator);
155            if (!froms.contains(f)) {
156                throw new Exception("Expected "+f+" to exist in previous state!");
157            }
158            if (tos.contains(f)) {
159                throw new Exception("Expected "+f+" to have been removed from the new state!");
160            }
161        }
162
163        if (froms.size() - args.length != tos.size()) {
164            throw new Exception("There are more removed files than the expected list!");
165        }
166    }
167
168    void verifyThatFilesHaveBeenAdded(Map<String,Long> from,
169                                      Map<String,Long> to,
170                                      String... args) throws Exception {
171
172        Set<String> froms = from.keySet();
173        Set<String> tos = to.keySet();
174
175        if (froms.equals(tos)) {
176            throw new Exception("Expected new state to have more files than previous state!");
177        }
178
179        for (String t : froms) {
180            if (!tos.contains(t)) {
181                throw new Exception("Expected "+t+" to exist in new state!");
182            }
183        }
184
185        for (String f : args) {
186            f = f.replace("/", File.separator);
187            if (!tos.contains(f)) {
188                throw new Exception("Expected "+f+" to have been added to new state!");
189            }
190            if (froms.contains(f)) {
191                throw new Exception("Expected "+f+" to not exist in previous state!");
192            }
193        }
194
195        if (froms.size() + args.length != tos.size()) {
196            throw new Exception("There are more added files than the expected list!");
197        }
198    }
199
200    void verifyNewerFiles(Map<String,Long> from,
201                          Map<String,Long> to,
202                          String... args) throws Exception {
203        if (!from.keySet().equals(to.keySet())) {
204            throw new Exception("Expected the set of files to be identical!");
205        }
206        Set<String> files = new HashSet<String>();
207        for (String s : args) {
208            files.add(s.replace("/", File.separator));
209        }
210        for (String fn : from.keySet()) {
211            long f = from.get(fn);
212            long t = to.get(fn);
213            if (files.contains(fn)) {
214                if (t <= f) {
215                    throw new Exception("Expected "+fn+" to have a more recent timestamp!");
216                }
217            } else {
218                if (t != f) {
219                    throw new Exception("Expected "+fn+" to have the same timestamp!");
220                }
221            }
222        }
223    }
224
225    String print(Map<String,Long> m) {
226        StringBuilder b = new StringBuilder();
227        Set<String> keys = m.keySet();
228        for (String k : keys) {
229            b.append(k+" "+m.get(k)+"\n");
230        }
231        return b.toString();
232    }
233
234    void verifyEqual(Map<String,Long> from, Map<String,Long> to) throws Exception {
235        if (!from.equals(to)) {
236            System.out.println("FROM---"+print(from));
237            System.out.println("TO-----"+print(to));
238            throw new Exception("The dir should not differ! But it does!");
239        }
240    }
241}
242