--- /dev/null	2011-04-06 15:44:51.135446826 -0700
+++ new/test/java/lang/Math/RoundTests.java	2011-04-14 21:21:22.000000000 -0700
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2011, 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 6430675
+ * @summary Check for correct implementation of {Math, StrictMath}.round
+ */
+public class RoundTests {
+    public static void main(String... args) {
+        int failures = 0;
+
+        failures += testNearFloatHalfCases();
+        failures += testNearDoubleHalfCases();
+
+        if (failures > 0) {
+            System.err.println("Testing {Math, StrictMath}.round incurred "
+                               + failures + " failures.");
+            throw new RuntimeException();
+        }
+    }
+
+    private static int testNearDoubleHalfCases() {
+        int failures = 0;
+        double [][] testCases = {
+            {+0x1.fffffffffffffp-2,  0.0},
+            {+0x1.0p-1,              1.0}, // +0.5
+            {+0x1.0000000000001p-1,  1.0},
+
+            {-0x1.fffffffffffffp-2,  0.0},
+            {-0x1.0p-1,              0.0}, // -0.5
+            {-0x1.0000000000001p-1, -1.0},
+        };
+
+        for(double[] testCase : testCases) {
+            failures += testNearHalfCases(testCase[0], (long)testCase[1]);
+        }
+
+        return failures;
+    }
+
+    private static int testNearHalfCases(double input, double expected) {
+        int failures = 0;
+
+        failures += Tests.test("Math.round",        input, Math.round(input),       expected);
+        failures += Tests.test("StrictMath.round",  input, StrictMath.round(input), expected);
+
+        return failures;
+    }
+
+    private static int testNearFloatHalfCases() {
+        int failures = 0;
+        float [][] testCases = {
+            {+0x1.fffffep-2f,  0.0f},
+            {+0x1.0p-1f,       1.0f}, // +0.5
+            {+0x1.000002p-1f,  1.0f},
+
+            {-0x1.fffffep-2f,  0.0f},
+            {-0x1.0p-1f,       0.0f}, // -0.5
+            {-0x1.000002p-1f, -1.0f},
+        };
+
+        for(float[] testCase : testCases) {
+            failures += testNearHalfCases(testCase[0], (int)testCase[1]);
+        }
+
+        return failures;
+    }
+
+    private static int testNearHalfCases(float input, float expected) {
+        int failures = 0;
+
+        failures += Tests.test("Math.round",        input, Math.round(input),       expected);
+        failures += Tests.test("StrictMath.round",  input, StrictMath.round(input), expected);
+
+        return failures;
+    }
+}