--- /dev/null	2015-11-23 01:27:16.425045507 +0300
+++ new/test/java/lang/Long/ToString.java	2015-11-24 00:40:51.293208781 +0300
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8136500
+ * @summary Test Long.toString method
+ */
+
+public class ToString {
+
+    public static void main(String[] args) throws Exception {
+        test("-9223372036854775808", Long.MIN_VALUE);
+        test("9223372036854775807",  Long.MAX_VALUE);
+        test("0", 0);
+
+        // Wiggle around the exponentially increasing base.
+        final int LIMIT = (1 << 15);
+        long base = 10000;
+        while (base < Long.MAX_VALUE / 10) {
+            for (int d = -LIMIT; d < LIMIT; d++) {
+                long c = base + d;
+                if (c > 0) {
+                    buildAndTest(c);
+                }
+            }
+            base *= 10;
+        }
+
+        for (int c = 1; c < LIMIT; c++) {
+            buildAndTest(Long.MAX_VALUE - LIMIT + c);
+        }
+    }
+
+    private static void buildAndTest(long c) {
+        if (c <= 0) {
+            throw new IllegalArgumentException("Test bug: can only handle positives, " + c);
+        }
+
+        StringBuilder sbN = new StringBuilder();
+        StringBuilder sbP = new StringBuilder();
+
+        long t = c;
+        while (t > 0) {
+            char digit = (char) ('0' + (t % 10));
+            sbN.append(digit);
+            sbP.append(digit);
+            t = t / 10;
+        }
+
+        sbN.append("-");
+        sbN.reverse();
+        sbP.reverse();
+
+        test(sbN.toString(), -c);
+        test(sbP.toString(), c);
+    }
+
+    private static void test(String expected, long value) {
+        String actual = Long.toString(value);
+        if (!expected.equals(actual)) {
+            throw new RuntimeException("Expected " + expected + ", but got " + actual);
+        }
+    }
+}