diff -r 90c28923e449 -r 35e29f51a7c3 test/tools/javac/api/T6877206.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/api/T6877206.java	Tue Sep 08 11:12:13 2009 -0700
@@ -0,0 +1,263 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6877206
+ * @summary JavaFileObject.toUri returns bogus URI (win)
+ */
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+import java.util.jar.*;
+import java.util.zip.*;
+import javax.tools.*;
+
+import com.sun.tools.javac.file.JavacFileManager;
+import com.sun.tools.javac.util.Context;
+import com.sun.tools.javac.util.Options;
+
+// Test URIs returned from JavacFileManager and its support classes.
+// For a variety of file objects, verify the validity of FileObject.toUri()
+// by verifying the URI exists and points to the same contents as the file
+// object itself
+
+public class T6877206 {
+    public static void main(String... args) throws Exception {
+        new T6877206().run();
+    }
+
+    Set<String> foundClasses = new TreeSet<String>();
+    Set<String> foundJars = new TreeSet<String>();
+
+    void run() throws Exception {
+        File rt_jar = findRtJar();
+
+        // names for entries to be created in directories and jar files
+        String[] entries = { "p/A.class", "p/resources/A-1.jpg" };
+
+        // test various combinations of directories and jar files, intended to
+        // cover all sources of URIs within JavacFileManager's support classes
+
+        test(createFileManager(), createDir("dir", entries), "p", entries.length);
+        test(createFileManager(), createDir("a b/dir", entries), "p", entries.length);
+
+        for (boolean useJavaUtilZip: new boolean[] { false, true }) {
+            test(createFileManager(useJavaUtilZip), createJar("jar", entries), "p", entries.length);
+            test(createFileManager(useJavaUtilZip), createJar("jar jar", entries), "p", entries.length);
+
+            for (boolean useSymbolFile: new boolean[] { false, true }) {
+                test(createFileManager(useJavaUtilZip, useSymbolFile), rt_jar, "java.lang.ref", -1);
+            }
+        }
+
+        // Verify that we hit all the impl classes we intended
+        checkCoverage("classes", foundClasses,
+                "RegularFileObject", "SymbolFileObject", "ZipFileIndexFileObject", "ZipFileObject");
+
+        // Verify that we hit the jar files we intended, specifically ct.sym as well as rt.jar
+        checkCoverage("jar files", foundJars,
+                "ct.sym", "jar", "jar jar", "rt.jar");
+    }
+
+    // use a new file manager for each test
+    void test(StandardJavaFileManager fm, File f, String pkg, int expect) throws Exception {
+        JarURLConnection c;
+        System.err.println("Test " + f);
+        try {
+            fm.setLocation(StandardLocation.CLASS_PATH, Collections.singleton(f));
+
+            int count = 0;
+            for (JavaFileObject fo: fm.list(StandardLocation.CLASS_PATH,
+                    pkg, EnumSet.allOf(JavaFileObject.Kind.class), true)) {
+                System.err.println("checking " + fo);
+                // record the file object class name for coverage checks later
+                foundClasses.add(fo.getClass().getSimpleName());
+                testFileObject(fo);
+                count++;
+            }
+
+            if (expect > 0 && count != expect)
+                throw new Exception("wrong number of entries found: "
+                        + count + ", expected " + expect);
+        } finally {
+            fm.close();
+        }
+    }
+
+    void testFileObject(JavaFileObject fo) throws Exception {
+        // test the validity of the result of toUri() by using URLConnection
+        // and comparing the results of reading from the connection with the
+        // result of reading from the file object directly.
+        URI uri = fo.toUri();
+        System.err.println("uri: " + uri);
+
+        URLConnection urlconn = uri.toURL().openConnection();
+        if (urlconn instanceof JarURLConnection) {
+            JarURLConnection jarconn = (JarURLConnection) urlconn;
+            File f = new File(jarconn.getJarFile().getName());
+            // record access to the jar file for coverage checks later
+            foundJars.add(f.getName());
+        }
+
+        try {
+            byte[] uriData = read(urlconn.getInputStream());
+            byte[] foData = read(fo.openInputStream());
+            if (!Arrays.equals(uriData, foData)) {
+                if (uriData.length != foData.length)
+                    throw new Exception("data size differs: uri data "
+                            + uriData.length + " bytes, fo data " + foData.length+ " bytes");
+                for (int i = 0; i < uriData.length; i++) {
+                    if (uriData[i] != foData[i])
+                    throw new Exception("unexpected data returned at offset " + i
+                            + ", uri data " + uriData[i] + ", fo data " + foData[i]);
+                }
+                throw new AssertionError("cannot find difference");
+            }
+        } finally {
+            // In principle, simply closing the result of urlconn.getInputStream()
+            // should have been sufficient. But the internal JarURLConnection
+            // does not close the JarFile in an expeditious manner, thus preventing
+            // jtreg from deleting the jar file before starting the next test.
+            // Therefore we force access to the JarURLConnection to close the
+            // JarFile when necessary.
+            if (urlconn instanceof JarURLConnection) {
+                JarURLConnection jarconn = (JarURLConnection) urlconn;
+                jarconn.getJarFile().close();
+            }
+        }
+    }
+
+    void checkCoverage(String label, Set<String> found, String... expect) throws Exception {
+        Set<String> e = new TreeSet<String>(Arrays.asList(expect));
+        if (!found.equals(e)) {
+            e.removeAll(found);
+            throw new Exception("expected " + label + " not used: " + e);
+        }
+    }
+
+    JavacFileManager createFileManager() {
+        return createFileManager(false, false);
+    }
+
+    JavacFileManager createFileManager(boolean useJavaUtilZip) {
+        return createFileManager(useJavaUtilZip, false);
+    }
+
+    JavacFileManager createFileManager(boolean useJavaUtilZip, boolean useSymbolFile) {
+        // javac should really not be using system properties like this
+        // -- it should really be using (hidden) options -- but until then
+        // take care to leave system properties as we find them, so as not
+        // to adversely affect other tests that might follow.
+        String prev = System.getProperty("useJavaUtilZip");
+        boolean resetProperties = false;
+        try {
+            if (useJavaUtilZip) {
+                System.setProperty("useJavaUtilZip", "true");
+                resetProperties = true;
+            } else if (System.getProperty("useJavaUtilZip") != null) {
+                System.getProperties().remove("useJavaUtilZip");
+                resetProperties = true;
+            }
+
+            Context c = new Context();
+            if (!useSymbolFile) {
+                Options options = Options.instance(c);
+                options.put("ignore.symbol.file", "true");
+            }
+
+            return new JavacFileManager(c, false, null);
+        } finally {
+            if (resetProperties) {
+                if (prev == null) {
+                    System.getProperties().remove("useJavaUtilZip");
+                } else {
+                    System.setProperty("useJavaUtilZip", prev);
+                }
+            }
+        }
+    }
+
+    File createDir(String name, String... entries) throws Exception {
+        File dir = new File(name);
+        if (!dir.mkdirs())
+            throw new Exception("cannot create directories " + dir);
+        for (String e: entries) {
+            writeFile(new File(dir, e), e);
+        }
+        return dir;
+    }
+
+    File createJar(String name, String... entries) throws IOException {
+        File jar = new File(name);
+        OutputStream out = new FileOutputStream(jar);
+        try {
+            JarOutputStream jos = new JarOutputStream(out);
+            for (String e: entries) {
+                jos.putNextEntry(new ZipEntry(e));
+                jos.write(e.getBytes());
+            }
+            jos.close();
+        } finally {
+            out.close();
+        }
+        return jar;
+    }
+
+    File findRtJar() throws Exception {
+        File java_home = new File(System.getProperty("java.home"));
+        if (java_home.getName().equals("jre"))
+            java_home = java_home.getParentFile();
+        File rt_jar = new File(new File(new File(java_home, "jre"), "lib"), "rt.jar");
+        if (!rt_jar.exists())
+            throw new Exception("can't find rt.jar");
+        return rt_jar;
+    }
+
+    byte[] read(InputStream in) throws IOException {
+        byte[] data = new byte[1024];
+        int offset = 0;
+        try {
+            int n;
+            while ((n = in.read(data, offset, data.length - offset)) != -1) {
+                offset += n;
+                if (offset == data.length)
+                    data = Arrays.copyOf(data, 2 * data.length);
+            }
+        } finally {
+            in.close();
+        }
+        return Arrays.copyOf(data, offset);
+    }
+
+    void writeFile(File f, String s) throws IOException {
+        f.getParentFile().mkdirs();
+        FileWriter out = new FileWriter(f);
+        try {
+            out.write(s);
+        } finally {
+            out.close();
+        }
+    }
+}