1/*
2 * Copyright (c) 2011, 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 6987384
27 * @summary -XprintProcessorRoundsInfo message printed with different timing than previous
28 * @library /tools/javac/lib
29 * @modules java.compiler
30 *          jdk.compiler
31 * @build JavacTestingAbstractProcessor Test TestWithXstdout
32 * @run main TestWithXstdout
33 */
34
35import java.io.*;
36import java.nio.charset.*;
37import java.nio.file.*;
38import java.util.*;
39
40public class TestWithXstdout {
41    public static void main(String... args) throws Exception {
42        File testSrc = new File(System.getProperty("test.src"));
43        String testClasses = System.getProperty("test.classes", ".");
44        String testClassPath = System.getProperty("test.class.path", testClasses);
45        File stdout = new File("stdout.out");
46        run_javac("-XDrawDiagnostics",
47                "-XprintProcessorInfo",
48                "-Werror",
49                "-proc:only",
50                "-processor",  "Test",
51                "-Xstdout", stdout.getPath(),
52                "-classpath", testClassPath,
53                new File(testSrc, "Test.java").getPath());
54        boolean ok = compare(stdout, new File(testSrc, "Test.out"));
55        if (!ok)
56            throw new Exception("differences found");
57    }
58
59    static void run_javac(String... args) throws IOException, InterruptedException {
60        File javaHome = new File(System.getProperty("java.home"));
61        File javac = new File(new File(javaHome, "bin"), "javac");
62
63        List<String> opts = new ArrayList<>();
64        opts.add(javac.getPath());
65
66        String toolOpts = System.getProperty("test.tool.vm.opts");
67        if (toolOpts != null && !"".equals(toolOpts.trim())) {
68            opts.addAll(Arrays.asList(toolOpts.trim().split("[\\s]+")));
69        }
70        opts.addAll(Arrays.asList(args));
71        System.out.println("exec: " + opts);
72        ProcessBuilder pb = new ProcessBuilder(opts);
73        pb.redirectErrorStream();
74        Process p = pb.start();
75        try (BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()))) {
76            String line;
77            while ((line = r.readLine()) != null)
78                System.out.println();
79        }
80        int rc = p.waitFor();
81        if (rc != 0)
82            System.out.println("javac exited, rc=" + rc);
83    }
84
85    static boolean compare(File a, File b) throws IOException {
86        List<String> aLines = Files.readAllLines(a.toPath(), Charset.defaultCharset());
87        List<String> bLines = Files.readAllLines(b.toPath(), Charset.defaultCharset());
88        System.out.println(a + ": " + aLines.size() + " lines");
89        System.out.println(b + ": " + bLines.size() + " lines");
90        return aLines.equals(bLines);
91    }
92}
93