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test/jdk/java/math/BigInteger/PrimitiveConversionTests.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2018, 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.

@@ -61,35 +61,39 @@
 
         ALL_BIGINTEGER_CANDIDATES = Collections.unmodifiableList(samples);
     }
 
     public static int testDoubleValue() {
+        System.out.println("--- testDoubleValue ---");
         int failures = 0;
         for (BigInteger big : ALL_BIGINTEGER_CANDIDATES) {
             double expected = Double.parseDouble(big.toString());
             double actual = big.doubleValue();
 
             // should be bitwise identical
             if (Double.doubleToRawLongBits(expected) != Double
                     .doubleToRawLongBits(actual)) {
-                System.out.println(big);
+                System.out.format("big: %s, expected: %f, actual: %f%n",
+                    big, expected, actual);
                 failures++;
             }
         }
         return failures;
     }
 
     public static int testFloatValue() {
+        System.out.println("--- testFloatValue ---");
         int failures = 0;
         for (BigInteger big : ALL_BIGINTEGER_CANDIDATES) {
             float expected = Float.parseFloat(big.toString());
             float actual = big.floatValue();
 
             // should be bitwise identical
             if (Float.floatToRawIntBits(expected) != Float
                     .floatToRawIntBits(actual)) {
-                System.out.println(big + " " + expected + " " + actual);
+                System.out.format("big: %s, expected: %f, actual: %f%n",
+                    big, expected, actual);
                 failures++;
             }
         }
         return failures;
     }
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