--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/api/6420409/T6420409.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2006 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     6420409
+ * @summary JSR 199: StandardFileManager: cannot set CLASS_PATH location
+ * @author  Peter von der Ah\u00e9
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.Locale;
+import javax.tools.JavaFileManager.Location;
+import javax.tools.*;
+
+import static javax.tools.StandardLocation.CLASS_PATH;
+import static javax.tools.StandardLocation.SOURCE_PATH;
+import static javax.tools.StandardLocation.CLASS_OUTPUT;
+
+public class T6420409 {
+    static final File test_src     = new File(System.getProperty("test.src"));
+    static final File test_classes = new File(System.getProperty("test.classes"));
+
+    public static void main(String... args) throws IOException {
+        final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
+        final StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
+        fm.setLocation(SOURCE_PATH,  Arrays.asList(test_classes)); // switcheroo !!!
+        fm.setLocation(CLASS_PATH,   Arrays.asList(test_src));
+        fm.setLocation(CLASS_OUTPUT, Arrays.asList(test_classes));
+        final Iterable<? extends JavaFileObject> compilationUnits =
+            fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(test_src, "T6420409.java")));
+        tool.getTask(null,
+                     fm,
+                     null,
+                     Arrays.asList("-proc:none"),
+                     null,
+                     compilationUnits).call();
+        test(fm.getLocation(CLASS_PATH),   test_src,     CLASS_PATH);
+        test(fm.getLocation(SOURCE_PATH),  test_classes, SOURCE_PATH);
+        test(fm.getLocation(CLASS_OUTPUT), test_classes, CLASS_OUTPUT);
+    }
+
+    static void test(Iterable<? extends File> path, File file, Location location) {
+        Iterator<? extends File> it = path.iterator();
+        if (!it.next().equals(file))
+            throw new AssertionError(file + " not in " + location);
+        if (it.hasNext())
+            throw new AssertionError("Unexpected element in "  + location + " : " + it.next());
+        System.err.format((Locale)null, "OK: %s: %s%n", location, path);
+    }
+}