test/tools/jdeps/APIDeps.java

changeset 2139
defadd528513
child 2214
4a2ed1900428
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/jdeps/APIDeps.java	Thu Oct 17 13:19:48 2013 -0700
     1.3 @@ -0,0 +1,191 @@
     1.4 +/*
     1.5 + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 8015912
    1.30 + * @summary find API dependencies
    1.31 + * @build m.Bar m.Foo m.Gee b.B c.C c.I d.D e.E f.F g.G
    1.32 + * @run main APIDeps
    1.33 + */
    1.34 +
    1.35 +import java.io.File;
    1.36 +import java.io.IOException;
    1.37 +import java.io.PrintWriter;
    1.38 +import java.io.StringWriter;
    1.39 +import java.nio.file.Path;
    1.40 +import java.nio.file.Paths;
    1.41 +import java.util.*;
    1.42 +import java.util.regex.*;
    1.43 +
    1.44 +public class APIDeps {
    1.45 +    private static boolean symbolFileExist = initProfiles();
    1.46 +    private static boolean initProfiles() {
    1.47 +        // check if ct.sym exists; if not use the profiles.properties file
    1.48 +        Path home = Paths.get(System.getProperty("java.home"));
    1.49 +        if (home.endsWith("jre")) {
    1.50 +            home = home.getParent();
    1.51 +        }
    1.52 +        Path ctsym = home.resolve("lib").resolve("ct.sym");
    1.53 +        boolean symbolExists = ctsym.toFile().exists();
    1.54 +        if (!symbolExists) {
    1.55 +            Path testSrcProfiles =
    1.56 +                Paths.get(System.getProperty("test.src", "."), "profiles.properties");
    1.57 +            if (!testSrcProfiles.toFile().exists())
    1.58 +                throw new Error(testSrcProfiles + " does not exist");
    1.59 +            System.out.format("%s doesn't exist.%nUse %s to initialize profiles info%n",
    1.60 +                ctsym, testSrcProfiles);
    1.61 +            System.setProperty("jdeps.profiles", testSrcProfiles.toString());
    1.62 +        }
    1.63 +        return symbolExists;
    1.64 +    }
    1.65 +
    1.66 +    public static void main(String... args) throws Exception {
    1.67 +        int errors = 0;
    1.68 +        errors += new APIDeps().run();
    1.69 +        if (errors > 0)
    1.70 +            throw new Exception(errors + " errors found");
    1.71 +    }
    1.72 +
    1.73 +    int run() throws IOException {
    1.74 +        File testDir = new File(System.getProperty("test.classes", "."));
    1.75 +        String testDirBasename = testDir.toPath().getFileName().toString();
    1.76 +        File mDir = new File(testDir, "m");
    1.77 +        // all dependencies
    1.78 +        test(new File(mDir, "Bar.class"),
    1.79 +             new String[] {"java.lang.Object", "java.lang.String",
    1.80 +                           "java.util.Set", "java.util.HashSet",
    1.81 +                           "java.lang.management.ManagementFactory",
    1.82 +                           "java.lang.management.RuntimeMXBean",
    1.83 +                           "b.B", "c.C", "d.D", "f.F", "g.G"},
    1.84 +             new String[] {"compact1", "compact3", testDirBasename},
    1.85 +             new String[] {"-classpath", testDir.getPath(), "-verbose", "-P"});
    1.86 +        test(new File(mDir, "Foo.class"),
    1.87 +             new String[] {"c.I", "e.E", "f.F", "m.Bar"},
    1.88 +             new String[] {testDirBasename},
    1.89 +             new String[] {"-classpath", testDir.getPath(), "-verbose", "-P"});
    1.90 +        test(new File(mDir, "Gee.class"),
    1.91 +             new String[] {"g.G", "sun.misc.Lock"},
    1.92 +             new String[] {testDirBasename, "JDK internal API"},
    1.93 +             new String[] {"-classpath", testDir.getPath(), "-verbose"});
    1.94 +        // parse only APIs
    1.95 +        test(mDir,
    1.96 +             new String[] {"java.lang.Object", "java.lang.String",
    1.97 +                           "java.util.Set",
    1.98 +                           "c.C", "d.D", "c.I", "e.E", "m.Bar"},
    1.99 +             new String[] {"compact1", testDirBasename, mDir.getName()},
   1.100 +             new String[] {"-classpath", testDir.getPath(), "-verbose", "-P", "-apionly"});
   1.101 +        return errors;
   1.102 +    }
   1.103 +
   1.104 +    void test(File file, String[] expect, String[] profiles) {
   1.105 +        test(file, expect, profiles, new String[0]);
   1.106 +    }
   1.107 +
   1.108 +    void test(File file, String[] expect, String[] profiles, String[] options) {
   1.109 +        List<String> args = new ArrayList<>(Arrays.asList(options));
   1.110 +        if (file != null) {
   1.111 +            args.add(file.getPath());
   1.112 +        }
   1.113 +        checkResult("api-dependencies", expect, profiles,
   1.114 +                    jdeps(args.toArray(new String[0])));
   1.115 +    }
   1.116 +
   1.117 +    Map<String,String> jdeps(String... args) {
   1.118 +        StringWriter sw = new StringWriter();
   1.119 +        PrintWriter pw = new PrintWriter(sw);
   1.120 +        System.err.println("jdeps " + Arrays.toString(args));
   1.121 +        int rc = com.sun.tools.jdeps.Main.run(args, pw);
   1.122 +        pw.close();
   1.123 +        String out = sw.toString();
   1.124 +        if (!out.isEmpty())
   1.125 +            System.err.println(out);
   1.126 +        if (rc != 0)
   1.127 +            throw new Error("jdeps failed: rc=" + rc);
   1.128 +        return findDeps(out);
   1.129 +    }
   1.130 +
   1.131 +    // Pattern used to parse lines
   1.132 +    private static Pattern linePattern = Pattern.compile(".*\r?\n");
   1.133 +    private static Pattern pattern = Pattern.compile("\\s+ -> (\\S+) +(.*)");
   1.134 +
   1.135 +    // Use the linePattern to break the given String into lines, applying
   1.136 +    // the pattern to each line to see if we have a match
   1.137 +    private static Map<String,String> findDeps(String out) {
   1.138 +        Map<String,String> result = new HashMap<>();
   1.139 +        Matcher lm = linePattern.matcher(out);  // Line matcher
   1.140 +        Matcher pm = null;                      // Pattern matcher
   1.141 +        int lines = 0;
   1.142 +        while (lm.find()) {
   1.143 +            lines++;
   1.144 +            CharSequence cs = lm.group();       // The current line
   1.145 +            if (pm == null)
   1.146 +                pm = pattern.matcher(cs);
   1.147 +            else
   1.148 +                pm.reset(cs);
   1.149 +            if (pm.find())
   1.150 +                result.put(pm.group(1), pm.group(2).trim());
   1.151 +            if (lm.end() == out.length())
   1.152 +                break;
   1.153 +        }
   1.154 +        return result;
   1.155 +    }
   1.156 +
   1.157 +    void checkResult(String label, String[] expect, Collection<String> found) {
   1.158 +        List<String> list = Arrays.asList(expect);
   1.159 +        if (!isEqual(list, found))
   1.160 +            error("Unexpected " + label + " found: '" + found + "', expected: '" + list + "'");
   1.161 +    }
   1.162 +
   1.163 +    void checkResult(String label, String[] expect, String[] profiles, Map<String,String> result) {
   1.164 +        // check the dependencies
   1.165 +        checkResult(label, expect, result.keySet());
   1.166 +        // check profile information
   1.167 +        Set<String> values = new TreeSet<>();
   1.168 +        String internal = "JDK internal API";
   1.169 +        for (String s: result.values()) {
   1.170 +            if (s.startsWith(internal)){
   1.171 +                values.add(internal);
   1.172 +            } else {
   1.173 +                values.add(s);
   1.174 +            }
   1.175 +        }
   1.176 +        checkResult(label, profiles, values);
   1.177 +    }
   1.178 +
   1.179 +    boolean isEqual(List<String> expected, Collection<String> found) {
   1.180 +        if (expected.size() != found.size())
   1.181 +            return false;
   1.182 +
   1.183 +        List<String> list = new ArrayList<>(found);
   1.184 +        list.removeAll(expected);
   1.185 +        return list.isEmpty();
   1.186 +    }
   1.187 +
   1.188 +    void error(String msg) {
   1.189 +        System.err.println("Error: " + msg);
   1.190 +        errors++;
   1.191 +    }
   1.192 +
   1.193 +    int errors;
   1.194 +}

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