--- /dev/null	2020-03-23 11:17:40.876000000 -0700
+++ new/test/jdk/java/lang/Math/AbsTests.java	2020-03-30 10:28:43.302472163 -0700
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2020, 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.
+ */
+
+import java.util.function.*;
+
+/*
+ * @test
+ * @bug 8241374
+ * @summary Test abs and absExact for Math and StrictMath
+ */
+public class AbsTests {
+    private static int errors = 0;
+
+    public static void main(String... args) {
+        errors += testInRangeIntAbs();
+        errors += testIntMinValue();
+        errors += testInRangeLongAbs();
+        errors += testLongMinValue();
+
+        if (errors > 0) {
+            throw new RuntimeException(errors + " errors found testing abs.");
+        }
+    }
+
+    private static int testInRangeIntAbs() {
+        int errors = 0;
+        int[][] testCases  = {
+            // Argument to abs, expected result
+            {+0, 0},
+            {+1, 1},
+            {-1, 1},
+            {-2, 2},
+            {+2, 2},
+            {-Integer.MAX_VALUE, Integer.MAX_VALUE},
+            {+Integer.MAX_VALUE, Integer.MAX_VALUE}
+        };
+
+        for(var testCase : testCases) {
+            errors += testIntAbs(Math::abs,      testCase[0], testCase[1]);
+            errors += testIntAbs(Math::absExact, testCase[0], testCase[1]);
+        }
+        return errors;
+    }
+
+    private static int testIntMinValue() {
+        int errors = 0;
+        // Strange but true
+        errors += testIntAbs(Math::abs, Integer.MIN_VALUE, Integer.MIN_VALUE);
+
+        // Test exceptional behavior for absExact
+        try {
+            int result = Math.absExact(Integer.MIN_VALUE);
+            System.err.printf("Bad return value %d from Math.absExact(MIN_VALUE)%n",
+                              result);
+            errors++;
+        } catch (ArithmeticException ae) {
+            ; // Expected
+        }
+        return errors;
+    }
+
+    private static int testIntAbs(IntUnaryOperator absFunc,
+                           int argument, int expected) {
+        int result = absFunc.applyAsInt(argument);
+        if (result != expected) {
+            System.err.printf("Unexpected int abs result %d for argument %d%n",
+                                result, argument);
+            return 1;
+        } else {
+            return 0;
+        }
+    }
+
+    // --------------------------------------------------------------------
+
+    private static long testInRangeLongAbs() {
+        int errors = 0;
+        long[][] testCases  = {
+            // Argument to abs, expected result
+            {+0L, 0L},
+            {+1L, 1L},
+            {-1L, 1L},
+            {-2L, 2L},
+            {+2L, 2L},
+            {-Integer.MAX_VALUE, Integer.MAX_VALUE},
+            {+Integer.MAX_VALUE, Integer.MAX_VALUE},
+            { Integer.MIN_VALUE, -((long)Integer.MIN_VALUE)},
+            {-Long.MAX_VALUE, Long.MAX_VALUE},
+        };
+
+        for(var testCase : testCases) {
+            errors += testLongAbs(Math::abs,      testCase[0], testCase[1]);
+            errors += testLongAbs(Math::absExact, testCase[0], testCase[1]);
+        }
+        return errors;
+    }
+
+    private static int testLongMinValue() {
+        int errors = 0;
+        // Strange but true
+        errors += testLongAbs(Math::abs, Long.MIN_VALUE, Long.MIN_VALUE);
+
+        // Test exceptional behavior for absExact
+        try {
+            long result = Math.absExact(Long.MIN_VALUE);
+            System.err.printf("Bad return value %d from Math.absExact(MIN_VALUE)%n",
+                              result);
+            errors++;
+        } catch (ArithmeticException ae) {
+            ; // Expected
+        }
+        return errors;
+    }
+
+    private static int testLongAbs(LongUnaryOperator absFunc,
+                           long argument, long expected) {
+        long result = absFunc.applyAsLong(argument);
+        if (result != expected) {
+            System.err.printf("Unexpected long abs result %d for argument %d%n",
+                                result, argument);
+            return 1;
+        } else {
+            return 0;
+        }
+    }
+}