test/java/math/BigDecimal/StrippingZerosTest.java

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   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 4108852
  27  * @summary A few tests of stripTrailingZeros


  28  * @author Joseph D. Darcy
  29  */
  30 
  31 import java.math.*;
  32 
  33 public class StrippingZerosTest {
  34     public static void main(String argv[]) {
  35         BigDecimal [][] testCases = {
  36             {new BigDecimal("1.00000"),         new BigDecimal("1")},
  37             {new BigDecimal("1.000"),           new BigDecimal("1")},
  38             {new BigDecimal("1"),               new BigDecimal("1")},
  39             {new BigDecimal("0.1234"),          new BigDecimal("0.1234")},
  40             {new BigDecimal("0.12340"),         new BigDecimal("0.1234")},
  41             {new BigDecimal("0.12340000000"),   new BigDecimal("0.1234")},
  42             {new BigDecimal("1234.5678"),       new BigDecimal("1234.5678")},
  43             {new BigDecimal("1234.56780"),      new BigDecimal("1234.5678")},
  44             {new BigDecimal("1234.567800000"),  new BigDecimal("1234.5678")},
  45             {new BigDecimal("0"),               new BigDecimal("0")},
  46             {new BigDecimal("0e100"),           new BigDecimal("0e100")},
  47             {new BigDecimal("0e-100"),          new BigDecimal("0e-100")},
  48             {new BigDecimal("10"),              new BigDecimal("1e1")},
  49             {new BigDecimal("20"),              new BigDecimal("2e1")},
  50             {new BigDecimal("100"),             new BigDecimal("1e2")},
  51             {new BigDecimal("1000000000"),      new BigDecimal("1e9")},
  52             {new BigDecimal("100000000e1"),     new BigDecimal("1e9")},
  53             {new BigDecimal("10000000e2"),      new BigDecimal("1e9")},
  54             {new BigDecimal("1000000e3"),       new BigDecimal("1e9")},
  55             {new BigDecimal("100000e4"),        new BigDecimal("1e9")},





  56         };
  57 
  58         for(int i = 0; i < testCases.length; i++) {
  59 
  60             if (!(testCases[i][0]).stripTrailingZeros().equals(testCases[i][1])) {
  61                 throw new RuntimeException("For input " + testCases[i][0].toString() +
  62                                            " did not received expected result " +
  63                                            testCases[i][1].toString() + ",  got " +
  64                                            testCases[i][0].stripTrailingZeros());
  65             }
  66 
  67             testCases[i][0] = testCases[i][0].negate();
  68             testCases[i][1] = testCases[i][1].negate();
  69 
  70             if (!(testCases[i][0]).stripTrailingZeros().equals(testCases[i][1])) {
  71                 throw new RuntimeException("For input " + testCases[i][0].toString() +
  72                                            " did not received expected result " +
  73                                            testCases[i][1].toString() + ",  got " +
  74                                            testCases[i][0].stripTrailingZeros());
  75             }


   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 4108852
  27  * @summary A few tests of stripTrailingZeros
  28  * @run main StrippingZerosTest
  29  * @run main/othervm -XX:+AggressiveOpts StrippingZerosTest
  30  * @author Joseph D. Darcy
  31  */
  32 
  33 import java.math.*;
  34 
  35 public class StrippingZerosTest {
  36     public static void main(String argv[]) {
  37         BigDecimal [][] testCases = {
  38             {new BigDecimal("1.00000"),         new BigDecimal("1")},
  39             {new BigDecimal("1.000"),           new BigDecimal("1")},
  40             {new BigDecimal("1"),               new BigDecimal("1")},
  41             {new BigDecimal("0.1234"),          new BigDecimal("0.1234")},
  42             {new BigDecimal("0.12340"),         new BigDecimal("0.1234")},
  43             {new BigDecimal("0.12340000000"),   new BigDecimal("0.1234")},
  44             {new BigDecimal("1234.5678"),       new BigDecimal("1234.5678")},
  45             {new BigDecimal("1234.56780"),      new BigDecimal("1234.5678")},
  46             {new BigDecimal("1234.567800000"),  new BigDecimal("1234.5678")},
  47             {new BigDecimal("0"),               new BigDecimal("0")},
  48             {new BigDecimal("0e100"),           new BigDecimal("0e100")},
  49             {new BigDecimal("0e-100"),          new BigDecimal("0e-100")},
  50             {new BigDecimal("10"),              new BigDecimal("1e1")},
  51             {new BigDecimal("20"),              new BigDecimal("2e1")},
  52             {new BigDecimal("100"),             new BigDecimal("1e2")},
  53             {new BigDecimal("1000000000"),      new BigDecimal("1e9")},
  54             {new BigDecimal("100000000e1"),     new BigDecimal("1e9")},
  55             {new BigDecimal("10000000e2"),      new BigDecimal("1e9")},
  56             {new BigDecimal("1000000e3"),       new BigDecimal("1e9")},
  57             {new BigDecimal("100000e4"),        new BigDecimal("1e9")},
  58             // BD value which larger than Long.MaxValue
  59             {new BigDecimal("1.0000000000000000000000000000"),    new BigDecimal("1")},
  60             {new BigDecimal("-1.0000000000000000000000000000"),   new BigDecimal("-1")},
  61             {new BigDecimal("1.00000000000000000000000000001"),   new BigDecimal("1.00000000000000000000000000001")},
  62             {new BigDecimal("1000000000000000000000000000000e4"), new BigDecimal("1e34")},
  63         };
  64 
  65         for(int i = 0; i < testCases.length; i++) {
  66 
  67             if (!(testCases[i][0]).stripTrailingZeros().equals(testCases[i][1])) {
  68                 throw new RuntimeException("For input " + testCases[i][0].toString() +
  69                                            " did not received expected result " +
  70                                            testCases[i][1].toString() + ",  got " +
  71                                            testCases[i][0].stripTrailingZeros());
  72             }
  73 
  74             testCases[i][0] = testCases[i][0].negate();
  75             testCases[i][1] = testCases[i][1].negate();
  76 
  77             if (!(testCases[i][0]).stripTrailingZeros().equals(testCases[i][1])) {
  78                 throw new RuntimeException("For input " + testCases[i][0].toString() +
  79                                            " did not received expected result " +
  80                                            testCases[i][1].toString() + ",  got " +
  81                                            testCases[i][0].stripTrailingZeros());
  82             }