1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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  *
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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22  */
23 
24 /*
25  * @test
26  * @bug 8282252
27  * @summary Test constructors of BigDecimal to replace BigInteger subclasses
28  */
29 
30 package test.java.math.BigDecimal;
31 
32 import java.math.*;
33 
34 public class ConstructorUnscaledValue {
main(String... args)35     public static void main(String... args) {
36         TestBigInteger tbi = new TestBigInteger(BigInteger.ONE);
37         // Create BigDecimal's using each of the three constructors
38         // with guards on the class of unscaledValue
39         BigDecimal[] values = {
40             new BigDecimal(tbi),
41             new BigDecimal(tbi, 2),
42             new BigDecimal(tbi, 3, MathContext.DECIMAL32),
43         };
44 
45         for (var bd : values) {
46             BigInteger unscaledValue = bd.unscaledValue();
47             if (unscaledValue.getClass() != BigInteger.class) {
48                 throw new RuntimeException("Bad class for unscaledValue");
49             }
50             if (!unscaledValue.equals(BigInteger.ONE)) {
51                 throw new RuntimeException("Bad value for unscaledValue");
52             }
53         }
54     }
55 
56     private static class TestBigInteger extends BigInteger {
TestBigInteger(BigInteger bi)57         public TestBigInteger(BigInteger bi) {
58             super(bi.toByteArray());
59         }
60 
61         @Override
toString()62         public String toString() {
63             return java.util.Arrays.toString(toByteArray());
64         }
65     }
66 }
67