114 lines
3.8 KiB
Java
114 lines
3.8 KiB
Java
/*
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* Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4777949
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* @summary Warn javap usage on package with simple name
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* @modules jdk.jdeps/com.sun.tools.javap
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*/
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import java.io.*;
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import java.util.*;
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import javax.tools.*;
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import com.sun.tools.javap.*;
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public class T4777949 {
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public static void main(String... args) throws Exception {
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new T4777949().run();
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}
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void run() throws Exception {
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File javaFile = writeTestFile();
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File classFile = compileTestFile(javaFile);
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test(".", "p.q.r.Test", false);
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test("p", "q.r.Test", true);
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test("p/q", "r.Test", true);
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test("p/q/r", "Test", true);
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test(".", "p.q.r.Test.Inner", false);
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test(".", "p.q.r.Test$Inner", false);
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test("p", "q.r.Test.Inner", true);
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test("p", "q.r.Test$Inner", true);
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if (errors > 0)
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throw new Exception(errors + " errors found");
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}
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void test(String classPath, String className, boolean expectWarnings) {
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List<Diagnostic<? extends JavaFileObject>> diags =
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javap(Arrays.asList("-classpath", classPath), Arrays.asList(className));
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boolean foundWarnings = false;
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for (Diagnostic<? extends JavaFileObject> d: diags) {
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if (d.getKind() == Diagnostic.Kind.WARNING)
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foundWarnings = true;
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}
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}
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File writeTestFile() throws IOException {
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File f = new File("Test.java");
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PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
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out.println("package p.q.r;");
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out.println("class Test { class Inner { } }");
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out.close();
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return f;
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}
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File compileTestFile(File f) {
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int rc = com.sun.tools.javac.Main.compile(new String[] { "-d", ".", f.getPath() });
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if (rc != 0)
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throw new Error("compilation failed. rc=" + rc);
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String path = f.getPath();
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return new File(path.substring(0, path.length() - 5) + ".class");
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}
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List<Diagnostic<? extends JavaFileObject>> javap(List<String> args, List<String> classes) {
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DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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JavaFileManager fm = JavapFileManager.create(dc, pw);
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JavapTask t = new JavapTask(pw, fm, dc, args, classes);
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int ok = t.run();
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List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
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if (ok != 0)
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error("javap failed unexpectedly");
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System.err.println("args=" + args + " classes=" + classes + "\n"
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+ diags + "\n"
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+ sw);
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return diags;
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}
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void error(String msg) {
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System.err.println("error: " + msg);
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errors++;
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}
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int errors;
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}
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