test/java/lang/Double/ParseDouble.java

*** 21,31 ****
   * questions.
   */
  
  /*
   * @test
!  * @bug 4160406 4705734 4707389 4826774 4895911 4421494
   * @summary Test for Double.parseDouble method and acceptance regex
   */
  
  import java.util.regex.*;
  import java.math.BigDecimal;
--- 21,31 ----
   * questions.
   */
  
  /*
   * @test
!  * @bug 4160406 4705734 4707389 4826774 4895911 4421494 7021568
   * @summary Test for Double.parseDouble method and acceptance regex
   */
  
  import java.util.regex.*;
  import java.math.BigDecimal;
*** 579,588 ****
--- 579,613 ----
              double convertedLowerBound = Double.parseDouble(lowerBound.toString());
              double convertedUpperBound = Double.parseDouble(upperBound.toString());
          }
      }
  
+ 
+     private static void testStrictness() {
+         boolean failed = false;
+         double conversion, conversion_prev = 0;
+         double sum = 0.0; // Prevent conversion from being optimized away
+         //2-1047 + 2-1075
+         String decimal = "6.631236871469758276785396630275967243399099947355303144249971758736286630139265439618068200788048744105960420552601852889715006376325666595539603330361800519107591783233358492337208057849499360899425128640718856616503093444922854759159988160304439909868291973931426625698663157749836252274523485312442358651207051292453083278116143932569727918709786004497872322193856150225415211997283078496319412124640111777216148110752815101775295719811974338451936095907419622417538473679495148632480391435931767981122396703443803335529756003353209830071832230689201383015598792184172909927924176339315507402234836120730914783168400715462440053817592702766213559042115986763819482654128770595766806872783349146967171293949598850675682115696218943412532098591327667236328125E-316";
+ 
+         for(int i = 0; i <= 10000; i++) {
+             conversion = Double.parseDouble(decimal);
+             sum += conversion;
+             if (i != 0 && conversion != conversion_prev) {
+                 failed = true;
+                 System.out.printf("Iteration %d converts as %a%n",
+                                   i-1,conversion_prev);
+                 System.out.printf("Iteration %d converts as %a%n",
+                                   i,conversion);
+             }
+             conversion_prev = conversion;
+         }
+         System.out.println("Sum = "  + sum);
+         if (failed)
+             throw new RuntimeException("Inconsistent conversion");
+     }
+ 
      public static void main(String[] args) throws Exception {
          rudimentaryTest();
  
          testParsing(goodStrings, false);
          testParsing(paddedGoodStrings, false);
*** 593,599 ****
--- 618,625 ----
          testRegex(paddedGoodStrings, false);
          testRegex(badStrings, true);
          testRegex(paddedBadStrings, true);
  
          testSubnormalPowers();
+         testStrictness();
      }
  }