--- a/langtools/test/tools/javac/api/6437999/T6437999.java	Tue Jun 25 20:08:52 2013 +0400
+++ b/langtools/test/tools/javac/api/6437999/T6437999.java	Wed Jun 26 09:54:46 2013 -0700
@@ -33,11 +33,28 @@
  */
 
 import java.io.File;
+import java.io.IOException;
 import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.util.ArrayList;
 import java.util.Collections;
+import java.util.List;
 import javax.tools.*;
+import static java.nio.file.StandardOpenOption.*;
 
 public class T6437999 extends ToolTester {
+    final File testFile = new File("Utf8.java");
+    T6437999() throws IOException {
+        createTestFile();
+    }
+    final void createTestFile() throws IOException {
+        List<String> scratch = new ArrayList<>();
+        scratch.add("// @author Peter von der Ah" + (char) 0xe9);
+        scratch.add("class Utf8{}");
+        Files.write(testFile.toPath(), scratch, Charset.forName("UTF-8"),
+                CREATE, TRUNCATE_EXISTING);
+    }
+
     static class MyDiagnosticListener implements DiagnosticListener<JavaFileObject> {
         boolean error = false;
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
@@ -55,7 +72,7 @@
         dl.error = false;
         fm = getFileManager(tool, dl, Charset.forName("ASCII"));
         fm.handleOption("-source", sourceLevel.iterator());
-        files = fm.getJavaFileObjects(new File(test_src, "Utf8.java"));
+        files = fm.getJavaFileObjects(testFile);
         tool.getTask(null, fm, null, null, null, files).call();
         if (!dl.error)
             throw new AssertionError("No error in ASCII mode");
@@ -63,12 +80,12 @@
         dl.error = false;
         fm = getFileManager(tool, dl, Charset.forName("UTF-8"));
         fm.handleOption("-source", sourceLevel.iterator());
-        files = fm.getJavaFileObjects(new File(test_src, "Utf8.java"));
+        files = fm.getJavaFileObjects(testFile);
         task = tool.getTask(null, fm, null, null, null, files);
         if (dl.error)
             throw new AssertionError("Error in UTF-8 mode");
     }
-    public static void main(String... args) {
+    public static void main(String... args) throws IOException {
         new T6437999().test(args);
     }
 }

--- a/langtools/test/tools/javac/api/6437999/Utf8.java	Tue Jun 25 20:08:52 2013 +0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 2006, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/**
- * @author Peter von der Ah\u00e9
- */
-class Utf8 {}

--- a/langtools/test/tools/javac/api/T6306137.java	Tue Jun 25 20:08:52 2013 +0400
+++ b/langtools/test/tools/javac/api/T6306137.java	Wed Jun 26 09:54:46 2013 -0700
@@ -31,8 +31,14 @@
  */
 
 import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import javax.tools.*;
+import static java.nio.file.StandardOpenOption.*;
 
 public class T6306137 {
     boolean error;
@@ -40,8 +46,9 @@
     final JavaCompiler compiler;
     Iterable<? extends JavaFileObject> files;
     DiagnosticListener<JavaFileObject> dl;
+    final File testFile = new File("Utf8.java");
 
-    T6306137() {
+    T6306137() throws IOException {
         dl = new DiagnosticListener<JavaFileObject>() {
                 public void report(Diagnostic<? extends JavaFileObject> message) {
                     if (message.getKind() == Diagnostic.Kind.ERROR)
@@ -56,11 +63,17 @@
         };
         compiler = ToolProvider.getSystemJavaCompiler();
         fm = compiler.getStandardFileManager(dl, null, null);
-        String srcdir = System.getProperty("test.src");
         files =
-            fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(srcdir, "T6306137.java")));
+            fm.getJavaFileObjectsFromFiles(Arrays.asList(testFile));
+        createTestFile();
     }
-
+    final void createTestFile() throws IOException {
+        List<String> scratch = new ArrayList<>();
+        scratch.add("// @author Peter von der Ah" + (char)0xe9);
+        scratch.add("class Utf8{}");
+        Files.write(testFile.toPath(), scratch, Charset.forName("UTF-8"),
+                CREATE, TRUNCATE_EXISTING);
+    }
     void test(String encoding, boolean good) {
         error = false;
         Iterable<String> args = Arrays.asList("-source", "6", "-encoding", encoding, "-d", ".");
@@ -74,7 +87,7 @@
         }
     }
 
-    public static void main(String[] args) {
+    public static void main(String[] args) throws IOException {
         T6306137 self = new T6306137();
         self.test("utf-8", true);
         self.test("ascii", false);