1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javap/T4777949.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,111 @@
1.4 +/*
1.5 + * Copyright (c) 2008, 2013, 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 +import java.io.*;
1.28 +import java.util.*;
1.29 +import javax.tools.*;
1.30 +import com.sun.tools.javap.*;
1.31 +
1.32 +/*
1.33 + * @test
1.34 + * @bug 4777949
1.35 + * @summary Warn javap usage on package with simple name
1.36 + */
1.37 +public class T4777949 {
1.38 + public static void main(String... args) throws Exception {
1.39 + new T4777949().run();
1.40 + }
1.41 +
1.42 + void run() throws Exception {
1.43 + File javaFile = writeTestFile();
1.44 + File classFile = compileTestFile(javaFile);
1.45 +
1.46 + test(".", "p.q.r.Test", false);
1.47 + test("p", "q.r.Test", true);
1.48 + test("p/q", "r.Test", true);
1.49 + test("p/q/r", "Test", true);
1.50 + test(".", "p.q.r.Test.Inner", false);
1.51 + test(".", "p.q.r.Test$Inner", false);
1.52 + test("p", "q.r.Test.Inner", true);
1.53 + test("p", "q.r.Test$Inner", true);
1.54 +
1.55 + if (errors > 0)
1.56 + throw new Exception(errors + " errors found");
1.57 + }
1.58 +
1.59 + void test(String classPath, String className, boolean expectWarnings) {
1.60 + List<Diagnostic<? extends JavaFileObject>> diags =
1.61 + javap(Arrays.asList("-classpath", classPath), Arrays.asList(className));
1.62 + boolean foundWarnings = false;
1.63 + for (Diagnostic<? extends JavaFileObject> d: diags) {
1.64 + if (d.getKind() == Diagnostic.Kind.WARNING)
1.65 + foundWarnings = true;
1.66 + }
1.67 + }
1.68 +
1.69 +
1.70 + File writeTestFile() throws IOException {
1.71 + File f = new File("Test.java");
1.72 + PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
1.73 + out.println("package p.q.r;");
1.74 + out.println("class Test { class Inner { } }");
1.75 + out.close();
1.76 + return f;
1.77 + }
1.78 +
1.79 + File compileTestFile(File f) {
1.80 + int rc = com.sun.tools.javac.Main.compile(new String[] { "-d", ".", f.getPath() });
1.81 + if (rc != 0)
1.82 + throw new Error("compilation failed. rc=" + rc);
1.83 + String path = f.getPath();
1.84 + return new File(path.substring(0, path.length() - 5) + ".class");
1.85 + }
1.86 +
1.87 + List<Diagnostic<? extends JavaFileObject>> javap(List<String> args, List<String> classes) {
1.88 + DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
1.89 + StringWriter sw = new StringWriter();
1.90 + PrintWriter pw = new PrintWriter(sw);
1.91 + JavaFileManager fm = JavapFileManager.create(dc, pw);
1.92 + JavapTask t = new JavapTask(pw, fm, dc, args, classes);
1.93 + int ok = t.run();
1.94 +
1.95 + List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
1.96 +
1.97 + if (ok != 0)
1.98 + error("javap failed unexpectedly");
1.99 +
1.100 + System.err.println("args=" + args + " classes=" + classes + "\n"
1.101 + + diags + "\n"
1.102 + + sw);
1.103 +
1.104 + return diags;
1.105 + }
1.106 +
1.107 + void error(String msg) {
1.108 + System.err.println("error: " + msg);
1.109 + errors++;
1.110 + }
1.111 +
1.112 + int errors;
1.113 +}
1.114 +
