--- /dev/null 2012-11-27 14:59:01.000000000 -0800 +++ new/test/tools/jdeps/Basic.java 2012-11-27 14:59:01.000000000 -0800 @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8003562 + * @summary Basic tests for jdeps tool + * @build Test p.Foo + * @run main Basic + */ + +import java.io.File; +import java.io.IOException; +import java.io.PrintWriter; +import java.io.StringWriter; +import java.util.*; +import java.util.regex.*; + +public class Basic { + public static void main(String... args) throws Exception { + int errors = 0; + + errors += new Basic().run(); + + if (errors > 0) + throw new Exception(errors + " errors found"); + } + + Basic() { + } + + int run() throws IOException { + File testDir = new File(System.getProperty("test.classes", ".")); + test(new File(testDir, "Test.class"), + new String[] {"java.lang", "p"}); + test(new File(testDir, "p"), + new String[] {"java.lang", "java.util"}); + return errors; + } + + void test(File file, String[] expect) { + String[] deps = jdeps(file); + checkEqual("dependencies", expect, deps); + } + + String[] jdeps(File file) { + StringWriter sw = new StringWriter(); + PrintWriter pw = new PrintWriter(sw); + String[] args = { file.getPath() }; + System.err.println("jdeps " + Arrays.toString(args)); + int rc = com.sun.tools.jdeps.Main.run(args, pw); + pw.close(); + String out = sw.toString(); + if (!out.isEmpty()) + System.err.println(out); + if (rc != 0) + throw new Error("jdeps failed: rc=" + rc); + return findDeps(out); + } + + // Pattern used to parse lines + private static Pattern linePattern + = Pattern.compile(".*\r?\n"); + private static Pattern pattern + = Pattern.compile(" +-> (\\S+) +(.*)"); + + // Use the linePattern to break the given String into lines, applying + // the pattern to each line to see if we have a match + private static String[] findDeps(String out) { + List result = new ArrayList<>(); + Matcher lm = linePattern.matcher(out); // Line matcher + Matcher pm = null; // Pattern matcher + int lines = 0; + while (lm.find()) { + lines++; + CharSequence cs = lm.group(); // The current line + if (pm == null) + pm = pattern.matcher(cs); + else + pm.reset(cs); + if (pm.find()) + result.add(pm.group(1)); + if (lm.end() == out.length()) + break; + } + return result.toArray(new String[0]); + } + + void checkEqual(String label, String[] expect, String[] found) { + Set s1 = new HashSet<>(Arrays.asList(expect)); + Set s2 = new HashSet<>(Arrays.asList(found)); + + if (!s1.equals(s2)) + error("Unexpected " + label + " found: '" + s2 + "', expected: '" + s1 + "'"); + } + + void error(String msg) { + System.err.println("Error: " + msg); + errors++; + } + + int errors; +}