test/jdk/java/math/BigInteger/BigIntegerTest.java

*** 1,7 ****
  /*
!  * Copyright (c) 1998, 2017, Oracle and/or its affiliates. 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.
--- 1,7 ----
  /*
!  * Copyright (c) 1998, 2019, Oracle and/or its affiliates. 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.
*** 24,34 ****
  /*
   * @test
   * @library /test/lib
   * @build jdk.test.lib.RandomFactory
   * @run main BigIntegerTest
!  * @bug 4181191 4161971 4227146 4194389 4823171 4624738 4812225 4837946 4026465 8074460 8078672 8032027
   * @summary tests methods in BigInteger (use -Dseed=X to set PRNG seed)
   * @run main/timeout=400 BigIntegerTest
   * @author madbot
   * @key randomness
   */
--- 24,34 ----
  /*
   * @test
   * @library /test/lib
   * @build jdk.test.lib.RandomFactory
   * @run main BigIntegerTest
!  * @bug 4181191 4161971 4227146 4194389 4823171 4624738 4812225 4837946 4026465 8074460 8078672 8032027 8229845
   * @summary tests methods in BigInteger (use -Dseed=X to set PRNG seed)
   * @run main/timeout=400 BigIntegerTest
   * @author madbot
   * @key randomness
   */
*** 793,803 ****
      public static void stringConv() {
          int failCount = 0;
  
          // Generic string conversion.
          for (int i=0; i<100; i++) {
!             byte xBytes[] = new byte[Math.abs(random.nextInt())%100+1];
              random.nextBytes(xBytes);
              BigInteger x = new BigInteger(xBytes);
  
              for (int radix=Character.MIN_RADIX; radix < Character.MAX_RADIX; radix++) {
                  String result = x.toString(radix);
--- 793,803 ----
      public static void stringConv() {
          int failCount = 0;
  
          // Generic string conversion.
          for (int i=0; i<100; i++) {
!             byte xBytes[] = new byte[Math.abs(random.nextInt())%200+1];
              random.nextBytes(xBytes);
              BigInteger x = new BigInteger(xBytes);
  
              for (int radix=Character.MIN_RADIX; radix < Character.MAX_RADIX; radix++) {
                  String result = x.toString(radix);
*** 834,843 ****
--- 834,853 ----
                      }
                  }
              }
          }
  
+         // Check value with many trailing zeros.
+         String val = "123456789" + "0".repeat(200);
+         BigInteger b = new BigInteger(val);
+         String s = b.toString();
+         if (!val.equals(s)) {
+             System.err.format("Expected length %d but got %d%n",
+                 val.length(), s.length());
+             failCount++;
+         }
+ 
          report("String Conversion", failCount);
      }
  
      public static void byteArrayConv(int order) {
          int failCount = 0;