89 lines
2.8 KiB
Java
89 lines
2.8 KiB
Java
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/*
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* Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 4880663
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* @summary javap could output whitespace between class name and opening brace
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*/
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import java.io.*;
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public class T4880663 {
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public static void main(String[] args) throws Exception {
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new T4880663().run();
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}
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public void run() throws IOException {
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File javaFile = writeTestFile();
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File classFile = compileTestFile(javaFile);
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verify(classFile, "class Test {");
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if (errors > 0)
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throw new Error(errors + " found.");
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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("class Test { }");
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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[] { "-g", 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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String javap(File classFile) {
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StringWriter sw = new StringWriter();
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PrintWriter out = new PrintWriter(sw);
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int rc = com.sun.tools.javap.Main.run(new String[] { classFile.getPath() }, out);
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if (rc != 0)
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throw new Error("javap failed. rc=" + rc);
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out.close();
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System.out.println(sw.toString());
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return sw.toString();
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}
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void verify(File classFile, String... expects) {
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String output = javap(classFile);
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for (String expect: expects) {
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if (output.indexOf(expect)< 0)
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error(expect + " not found");
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}
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}
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void error(String msg) {
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System.err.println(msg);
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errors++;
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}
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int errors;
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}
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