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 * @library ..
27 * @bug 4103117 4331084 4488017 4490929 6255285 6268365 8074460
28 * @summary Tests the BigDecimal string constructor (use -Dseed=X to set PRNG seed).
29 * @key randomness
30 */
31
32 import java.math.*;
33
34 public class StringConstructor {
35
36 private static RandomSeed rndSeed = new RandomSeed(false);
37
38 public static void main(String[] args) throws Exception {
39 System.out.println("Random number generator seed = " + rndSeed.getSeed());
40
41 constructWithError("");
42 constructWithError("+");
43 constructWithError("-");
44 constructWithError("+e");
45 constructWithError("-e");
46 constructWithError("e+");
47 constructWithError("1.-0");
48 constructWithError(".-123");
49 constructWithError("-");
50 constructWithError("--1.1");
51 constructWithError("-+1.1");
52 constructWithError("+-1.1");
53 constructWithError("1-.1");
54 constructWithError("1+.1");
55 constructWithError("1.111+1");
56 constructWithError("1.111-1");
57 constructWithError("11.e+");
58 constructWithError("11.e-");
59 constructWithError("11.e+-");
60 constructWithError("11.e-+");
61 constructWithError("11.e-+1");
62 constructWithError("11.e+-1");
63
64 // Range checks
65 constructWithError("1e"+Integer.MIN_VALUE);
66 constructWithError("10e"+Integer.MIN_VALUE);
67 constructWithError("0.01e"+Integer.MIN_VALUE);
68 constructWithError("1e"+((long)Integer.MIN_VALUE-1));
69 constructWithError("1e"+((long)Integer.MAX_VALUE + 1));
70
71 leadingExponentZeroTest();
72 nonAsciiZeroTest();
73
74 // Roundtrip tests
75 for (int i=0; i<100; i++) {
76 int size = rndSeed.getRandom().nextInt(100) + 1;
77 BigInteger bi = new BigInteger(size, rndSeed.getRandom());
78 if (rndSeed.getRandom().nextBoolean())
79 bi = bi.negate();
80 int decimalLength = bi.toString().length();
81 int scale = rndSeed.getRandom().nextInt(decimalLength);
82 BigDecimal bd = new BigDecimal(bi, scale);
83 String bdString = bd.toString();
84 // System.err.println("bi" + bi.toString() + "\tscale " + scale);
85 // System.err.println("bd string: " + bdString);
86 BigDecimal bdDoppel = new BigDecimal(bdString);
87 if (!bd.equals(bdDoppel)) {
88 System.err.println("bd string: scale: " + bd.scale() +
89 "\t" + bdString);
90 System.err.println("bd doppel: scale: " + bdDoppel.scale() +
91 "\t" + bdDoppel.toString());
92 throw new RuntimeException("String constructor failure.");
93 }
94 }
95 }
96
97
98 /*
99 * Verify precision is set properly if the significand has
100 * non-ASCII leading zeros.
101 */
|
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 * @library /lib/testlibrary/
27 * @build jdk.testlibrary.*
28 * @run main StringConstructor
29 * @bug 4103117 4331084 4488017 4490929 6255285 6268365 8074460 8078672
30 * @summary Tests the BigDecimal string constructor (use -Dseed=X to set PRNG seed).
31 * @key randomness
32 */
33
34 import java.math.*;
35 import java.util.Random;
36
37 public class StringConstructor {
38
39 public static void main(String[] args) throws Exception {
40 constructWithError("");
41 constructWithError("+");
42 constructWithError("-");
43 constructWithError("+e");
44 constructWithError("-e");
45 constructWithError("e+");
46 constructWithError("1.-0");
47 constructWithError(".-123");
48 constructWithError("-");
49 constructWithError("--1.1");
50 constructWithError("-+1.1");
51 constructWithError("+-1.1");
52 constructWithError("1-.1");
53 constructWithError("1+.1");
54 constructWithError("1.111+1");
55 constructWithError("1.111-1");
56 constructWithError("11.e+");
57 constructWithError("11.e-");
58 constructWithError("11.e+-");
59 constructWithError("11.e-+");
60 constructWithError("11.e-+1");
61 constructWithError("11.e+-1");
62
63 // Range checks
64 constructWithError("1e"+Integer.MIN_VALUE);
65 constructWithError("10e"+Integer.MIN_VALUE);
66 constructWithError("0.01e"+Integer.MIN_VALUE);
67 constructWithError("1e"+((long)Integer.MIN_VALUE-1));
68 constructWithError("1e"+((long)Integer.MAX_VALUE + 1));
69
70 leadingExponentZeroTest();
71 nonAsciiZeroTest();
72
73 // Roundtrip tests
74 Random random = RandomFactory.getRandom();
75 for (int i=0; i<100; i++) {
76 int size = random.nextInt(100) + 1;
77 BigInteger bi = new BigInteger(size, random);
78 if (random.nextBoolean())
79 bi = bi.negate();
80 int decimalLength = bi.toString().length();
81 int scale = random.nextInt(decimalLength);
82 BigDecimal bd = new BigDecimal(bi, scale);
83 String bdString = bd.toString();
84 // System.err.println("bi" + bi.toString() + "\tscale " + scale);
85 // System.err.println("bd string: " + bdString);
86 BigDecimal bdDoppel = new BigDecimal(bdString);
87 if (!bd.equals(bdDoppel)) {
88 System.err.println("bd string: scale: " + bd.scale() +
89 "\t" + bdString);
90 System.err.println("bd doppel: scale: " + bdDoppel.scale() +
91 "\t" + bdDoppel.toString());
92 throw new RuntimeException("String constructor failure.");
93 }
94 }
95 }
96
97
98 /*
99 * Verify precision is set properly if the significand has
100 * non-ASCII leading zeros.
101 */
|