test/java/lang/Math/CubeRootTests.java

rev 11823 : 8078672: Print and allow setting by Java property seeds used to initialize Random instances in java.lang numerics tests
Summary: Add ability to initial the random number generator from the system property "seed" and print to STDOUT the seed value actually used.
Reviewed-by: XXX

*** 1,7 ****
  /*
!  * Copyright (c) 2003, 2012, 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) 2003, 2015, 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.
*** 21,32 ****
   * questions.
   */
  
  /*
   * @test
!  * @bug 4347132 4939441
!  * @summary Tests for {Math, StrictMath}.cbrt
   * @author Joseph D. Darcy
   * @key randomness
   */
  
  public class CubeRootTests {
--- 21,35 ----
   * questions.
   */
  
  /*
   * @test
!  * @library /lib/testlibrary/
!  * @build jdk.testlibrary.*
!  * @run main CubeRootTests
!  * @bug 4347132 4939441 8078672
!  * @summary Tests for {Math, StrictMath}.cbrt (use -Dseed=X to set PRNG seed)
   * @author Joseph D. Darcy
   * @key randomness
   */
  
  public class CubeRootTests {
*** 34,44 ****
  
      static final double infinityD = Double.POSITIVE_INFINITY;
      static final double NaNd = Double.NaN;
  
      // Initialize shared random number generator
!     static java.util.Random rand = new java.util.Random();
  
      static int testCubeRootCase(double input, double expected) {
          int failures=0;
  
          double minus_input = -input;
--- 37,47 ----
  
      static final double infinityD = Double.POSITIVE_INFINITY;
      static final double NaNd = Double.NaN;
  
      // Initialize shared random number generator
!     static java.util.Random rand = RandomFactory.getRandom();
  
      static int testCubeRootCase(double input, double expected) {
          int failures=0;
  
          double minus_input = -input;