6601457: Move wrapper class tests from closed to open
6601458: Move java.math tests from closed to open
6740185: Move java/lang/annotations tests to open
6759433: Move Math and StrictMath regression tests from closed to open
Summary: Move some more regression tests to the open
Reviewed-by: jjg
diff --git a/test/java/lang/Math/Rint.java b/test/java/lang/Math/Rint.java
new file mode 100644
index 0000000..d8e35cd
--- /dev/null
+++ b/test/java/lang/Math/Rint.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright 1998-2003 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 4101566 4831589
+ * @summary Check for correct implementation of Math.rint(double)
+ *
+ */
+
+import sun.misc.FpUtils;
+import sun.misc.DoubleConsts;
+
+public class Rint {
+
+ static int testRintCase(double input, double expected) {
+ int failures = 0;
+ double result;
+ failures += Tests.test("Math.rint", input, Math.rint(input), expected);
+ failures += Tests.test("Math.rint", -input, Math.rint(-input), -expected);
+ failures += Tests.test("StrictMath.rint",
+ input, StrictMath.rint(input), expected);
+ failures += Tests.test("StrictMath.rint", -input,
+ StrictMath.rint(-input), -expected);
+ return failures;
+ }
+
+
+ public static void main(String args[]) {
+ int failures = 0;
+ double twoToThe52 = FpUtils.scalb(1.0, 52); // 2^52
+
+ double [][] testCases = {
+ {0.0, 0.0},
+ {Double.MIN_VALUE, 0.0},
+ {FpUtils.nextDown(DoubleConsts.MIN_NORMAL), 0.0},
+ {DoubleConsts.MIN_NORMAL, 0.0},
+
+ {0.2, 0.0},
+
+ {FpUtils.nextDown(0.5), 0.0},
+ { 0.5, 0.0},
+ { FpUtils.nextUp(0.5), 1.0},
+
+ {0.7, 1.0},
+ {FpUtils.nextDown(1.0), 1.0},
+ { 1.0, 1.0},
+ { FpUtils.nextUp(1.0), 1.0},
+
+ {FpUtils.nextDown(1.5), 1.0},
+ { 1.5, 2.0},
+ { FpUtils.nextUp(1.5), 2.0},
+
+ {4.2, 4.0},
+ {4.5, 4.0},
+ {4.7, 5.0},
+
+ {7.5, 8.0},
+ {7.2, 7.0},
+ {7.7, 8.0},
+
+ {150000.75, 150001.0},
+ {300000.5, 300000.0},
+ {FpUtils.nextUp(300000.5), 300001.0},
+ {FpUtils.nextDown(300000.75), 300001.0},
+ {300000.75, 300001.0},
+ {FpUtils.nextUp(300000.75), 300001.0},
+ {300000.99, 300001.0},
+ {262144.75, 262145.0}, //(2^18 ) + 0.75
+ {499998.75, 499999.0},
+ {524287.75, 524288.0}, //(2^19 -1) + 0.75
+ {524288.75, 524289.0},
+
+ {FpUtils.nextDown(twoToThe52), twoToThe52},
+ {twoToThe52, twoToThe52},
+ {FpUtils.nextUp(twoToThe52), FpUtils.nextUp(twoToThe52)},
+
+ {Double.MAX_VALUE, Double.MAX_VALUE},
+ {Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY},
+ {Double.NaN, Double.NaN}
+
+ };
+
+
+ for(int i = 0; i < testCases.length; i++) {
+ failures += testRintCase(testCases[i][0], testCases[i][1]);
+ }
+
+ // Test values throughout exponent range
+ for(double d = Double.MIN_VALUE;
+ d < Double.POSITIVE_INFINITY; d *= 2) {
+ failures += testRintCase(d, ((d<=0.5)?0.0:d));
+ }
+
+ if (failures > 0) {
+ System.err.println("Testing {Math, StrictMath}.rint incurred "
+ + failures + " failures.");
+ throw new RuntimeException();
+ }
+ }
+
+}