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test/jdk/java/math/BigDecimal/FloatDoubleValueTests.java

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   1 /*
   2  * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6274390 7082971
  27  * @summary Verify {float, double}Value methods work with condensed representation
  28  * @run main FloatDoubleValueTests
  29  * @run main/othervm -XX:+AggressiveOpts FloatDoubleValueTests
  30  */
  31 import java.math.*;
  32 
  33 public class FloatDoubleValueTests {
  34     private static final long two2the24 = 1L<<23;
  35     private static final long two2the53 = 1L<<52;
  36 
  37     // Largest long that fits exactly in a float
  38     private static final long maxFltLong = (long)(Integer.MAX_VALUE & ~(0xff));
  39 
  40     // Largest long that fits exactly in a double
  41     private static final long maxDblLong = Long.MAX_VALUE & ~(0x7ffL);
  42 
  43     static void testDoubleValue0(long i, BigDecimal bd) {
  44         if (bd.doubleValue() != i ||
  45             bd.longValue()   != i)
  46             throw new RuntimeException("Unexpected equality failure for " +
  47                                        i + "\t" + bd);
  48     }
  49 


   1 /*
   2  * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6274390 7082971
  27  * @summary Verify {float, double}Value methods work with condensed representation
  28  * @run main FloatDoubleValueTests
  29  * @run main/othervm -XX:+EliminateAutoBox -XX:AutoBoxCacheMax=20000 FloatDoubleValueTests
  30  */
  31 import java.math.*;
  32 
  33 public class FloatDoubleValueTests {
  34     private static final long two2the24 = 1L<<23;
  35     private static final long two2the53 = 1L<<52;
  36 
  37     // Largest long that fits exactly in a float
  38     private static final long maxFltLong = (long)(Integer.MAX_VALUE & ~(0xff));
  39 
  40     // Largest long that fits exactly in a double
  41     private static final long maxDblLong = Long.MAX_VALUE & ~(0x7ffL);
  42 
  43     static void testDoubleValue0(long i, BigDecimal bd) {
  44         if (bd.doubleValue() != i ||
  45             bd.longValue()   != i)
  46             throw new RuntimeException("Unexpected equality failure for " +
  47                                        i + "\t" + bd);
  48     }
  49 


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