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root/jsr166/jsr166/src/test/loops/MapWordLoops.java
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Comparing jsr166/src/test/loops/MapWordLoops.java (file contents):
Revision 1.5 by jsr166, Thu Oct 29 23:09:07 2009 UTC vs.
Revision 1.13 by jsr166, Sun Oct 23 03:03:23 2016 UTC

# Line 1 | Line 1
1   /*
2   * Written by Doug Lea with assistance from members of JCP JSR-166
3   * Expert Group and released to the public domain, as explained at
4 < * http://creativecommons.org/licenses/publicdomain
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5   */
6 – import java.util.*;
6   import java.io.*;
7 + import java.util.*;
8  
9   public class MapWordLoops {
10  
# Line 25 | Line 25 | public class MapWordLoops {
25      static final int numTests = 3;
26  
27      public static void main(String[] args) {
28 <        Class mapClass = null;
28 >        Class<?> mapClass = null;
29          try {
30              mapClass = Class.forName(args[0]);
31 <        } catch(ClassNotFoundException e) {
31 >        } catch (ClassNotFoundException e) {
32              throw new RuntimeException("Class " + args[0] + " not found.");
33          }
34  
# Line 39 | Line 39 | public class MapWordLoops {
39  
40          for (int s = WORDS_FILES.length-1; s >= 0; --s)
41              tests(mapClass, numTests, s);
42 –
42      }
43  
44 <    static void tests(Class mapClass, int numTests, int sizeIndex) {
44 >    static void tests(Class<?> mapClass, int numTests, int sizeIndex) {
45          try {
46              String[] key = readWords(sizeIndex);
47              int size = key.length;
# Line 65 | Line 64 | public class MapWordLoops {
64          }
65      }
66  
67 <
69 <    static Map<String,String> newMap(Class cl) {
67 >    static Map<String,String> newMap(Class<?> cl) {
68          try {
69 <            Map m = (Map<String,String>)cl.newInstance();
70 <            return m;
73 <        } catch(Exception e) {
69 >            return (Map<String,String>) cl.getConstructor().newInstance();
70 >        } catch (Exception e) {
71              throw new RuntimeException("Can't instantiate " + cl + ": " + e);
72          }
73      }
74  
75      static void pause() {
76 <        try { Thread.sleep(100); } catch(InterruptedException ie) { return; }
76 >        try { Thread.sleep(100); }
77 >        catch (InterruptedException ie) { return; }
78      }
79  
80      static String[] readWords(int sizeIndex) throws IOException {
# Line 115 | Line 113 | public class MapWordLoops {
113          long startTime = System.currentTimeMillis();
114          runner.run();
115          long afterRun = System.currentTimeMillis();
116 <        long runTime =  (afterRun - startTime);
116 >        long runTime = afterRun - startTime;
117          int np = runner.total;
118          if (runner.total == runner.hashCode())
119              System.out.println("Useless Number" + runner.total);
# Line 126 | Line 124 | public class MapWordLoops {
124          return runTime;
125      }
126  
129 –
127      static class Runner implements Runnable {
128          final Map<String,String> map;
129          final String[] key;
# Line 147 | Line 144 | public class MapWordLoops {
144              rng = new LoopHelpers.SimpleRandom((id + 1) * 8862213513L);
145          }
146  
150 –
147          int oneStep(int j) {
148              int n = key.length;
149              int r = rng.next() & 0x7FFFFFFF;
# Line 176 | Line 172 | public class MapWordLoops {
172                  if (r < pctrem) {
173                      map.remove(k);
174                      ++nremoves;
175 <                    j += ((r >>> 8) & 7) +  n / 2;
175 >                    j += ((r >>> 8) & 7) + n / 2;
176                      if (j >= n) j -= n;
177                  }
178              }

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