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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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/** |
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* @test |
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* @synopsis Times and checks basic map operations |
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*/ |
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import java.util.*; |
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import java.io.*; |
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import java.util.*; |
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|
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public class IntMapCheck { |
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static int absentSize; |
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} |
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|
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public static void main(String[] args) throws Exception { |
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Class mapClass = java.util.concurrent.ConcurrentHashMap.class; |
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Class<?> mapClass = java.util.concurrent.ConcurrentHashMap.class; |
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int numTests = 50; |
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int size = 75000; |
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|
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if (args.length > 0) { |
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try { |
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mapClass = Class.forName(args[0]); |
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} catch(ClassNotFoundException e) { |
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} catch (ClassNotFoundException e) { |
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throw new RuntimeException("Class " + args[0] + " not found."); |
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} |
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} |
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|
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if (args.length > 1) |
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if (args.length > 1) |
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numTests = Integer.parseInt(args[1]); |
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|
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if (args.length > 2) |
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if (args.length > 2) |
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size = Integer.parseInt(args[2]); |
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|
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boolean doSerializeTest = args.length > 3; |
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while (absentSize < size) absentSize <<= 1; |
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absentMask = absentSize-1; |
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absent = new Integer[absentSize]; |
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for (int i = 0; i < absentSize/2; ++i) |
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for (int i = 0; i < absentSize/2; ++i) |
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absent[i] = Integer.valueOf(-i - 1); |
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for (int i = absentSize/2; i < absentSize; ++i) |
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for (int i = absentSize/2; i < absentSize; ++i) |
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absent[i] = Integer.valueOf(size + i + 1); |
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|
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Integer[] key = new Integer[size]; |
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for (int i = 0; i < size; ++i) |
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for (int i = 0; i < size; ++i) |
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key[i] = Integer.valueOf(i); |
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|
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for (int rep = 0; rep < numTests; ++rep) { |
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|
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TestTimer.printStats(); |
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|
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|
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if (doSerializeTest) |
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stest(newMap(mapClass), size); |
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} |
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|
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static Map<Integer,Integer> newMap(Class cl) { |
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static Map<Integer,Integer> newMap(Class<?> cl) { |
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try { |
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Map m = (Map<Integer,Integer>)cl.newInstance(); |
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return m; |
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} catch(Exception e) { |
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return (Map<Integer,Integer>) cl.getConstructor().newInstance(); |
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} catch (Exception e) { |
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throw new RuntimeException("Can't instantiate " + cl + ": " + e); |
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} |
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} |
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|
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static void runTest(Map<Integer,Integer> s, Integer[] key) { |
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int size = key.length; |
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long startTime = System.nanoTime(); |
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if (s.get(key[i]) != null) ++sum; |
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} |
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} |
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timer.finish(); |
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reallyAssert (sum == expect * iters); |
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timer.finish(); |
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reallyAssert(sum == expect * iters); |
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} |
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|
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static void t1Boxed(String nm, int n, Map<Integer,Integer> s, Integer[] key, int expect) { |
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timer.start(nm, n * iters); |
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for (int j = 0; j < iters; ++j) { |
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for (int i = 0; i < n; i++) { |
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if ((Integer)(s.get(i)) != i) ++sum; |
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if (s.get(i) != i) ++sum; |
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} |
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} |
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timer.finish(); |
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reallyAssert (sum == expect * iters); |
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timer.finish(); |
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reallyAssert(sum == expect * iters); |
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} |
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static void t2(String nm, int n, Map<Integer,Integer> s, Integer[] key, int expect) { |
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int sum = 0; |
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timer.start(nm, n); |
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for (int i = 0; i < n; i++) { |
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if (s.remove(key[i]) != null) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == expect); |
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timer.finish(); |
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reallyAssert(sum == expect); |
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} |
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|
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static void t3(String nm, int n, Map<Integer,Integer> s, Integer[] key, int expect) { |
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Integer v = absent[i & absentMask]; |
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if (s.put(k, v) == null) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == expect); |
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timer.finish(); |
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reallyAssert(sum == expect); |
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} |
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static void t4(String nm, int n, Map<Integer,Integer> s, Integer[] key, int expect) { |
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for (int i = 0; i < n; i++) { |
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if (s.containsKey(key[i])) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == expect); |
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timer.finish(); |
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reallyAssert(sum == expect); |
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} |
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static void t5(String nm, int n, Map<Integer,Integer> s, Integer[] key, int expect) { |
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for (int i = n-2; i >= 0; i-=2) { |
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if (s.remove(key[i]) != null) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == expect); |
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timer.finish(); |
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reallyAssert(sum == expect); |
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} |
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static void t6(String nm, int n, Map<Integer,Integer> s, Integer[] k1, Integer[] k2) { |
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if (s.get(k1[i]) != null) ++sum; |
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if (s.get(k2[i & absentMask]) != null) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == n); |
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timer.finish(); |
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reallyAssert(sum == n); |
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} |
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static void t7(String nm, int n, Map<Integer,Integer> s, Integer[] k1, Integer[] k2) { |
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if (s.containsKey(k1[i])) ++sum; |
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if (s.containsKey(k2[i & absentMask])) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == n); |
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timer.finish(); |
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reallyAssert(sum == n); |
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} |
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static void t8(String nm, int n, Map<Integer,Integer> s, Integer[] key, int expect) { |
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for (int i = 0; i < n; i++) { |
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if (s.get(key[i]) != null) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == expect); |
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timer.finish(); |
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reallyAssert(sum == expect); |
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} |
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static void t9(Map<Integer,Integer> s) { |
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int sum = 0; |
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int iters = 20; |
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int step = absentSize / iters; |
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for (int i = 0; i < absentSize; i += step) |
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if (s.containsValue(absent[i])) ++sum; |
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timer.finish(); |
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reallyAssert (sum != 0); |
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timer.finish(); |
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reallyAssert(sum != 0); |
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} |
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|
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static void ktest(Map<Integer,Integer> s, int size, Integer[] key) { |
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timer.start("ContainsKey ", size); |
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Set ks = s.keySet(); |
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for (int i = 0; i < size; i++) { |
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if (ks.contains(key[i])) ++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == size); |
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timer.finish(); |
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reallyAssert(sum == size); |
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} |
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|
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static void ittest1(Map<Integer,Integer> s, int size) { |
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int sum = 0; |
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timer.start("Iter Key ", size); |
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for (Iterator it = s.keySet().iterator(); it.hasNext(); ) { |
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if(it.next() != MISSING) |
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if (it.next() != MISSING) |
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++sum; |
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} |
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timer.finish(); |
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// if (sum != size) |
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timer.finish(); |
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// if (sum != size) |
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// System.out.println("iters " + sum + " size " + size); |
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reallyAssert (sum == size); |
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reallyAssert(sum == size); |
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} |
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|
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static void ittest2(Map<Integer,Integer> s, int size) { |
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int sum = 0; |
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timer.start("Iter Value ", size); |
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for (Iterator it = s.values().iterator(); it.hasNext(); ) { |
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if(it.next() != MISSING) |
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if (it.next() != MISSING) |
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++sum; |
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} |
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timer.finish(); |
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// if (sum != size) |
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timer.finish(); |
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// if (sum != size) |
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// System.out.println("iters " + sum + " size " + size); |
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reallyAssert (sum == size); |
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reallyAssert(sum == size); |
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} |
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static void ittest3(Map<Integer,Integer> s, int size) { |
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int sum = 0; |
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timer.start("Iter Entry ", size); |
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for (Iterator it = s.entrySet().iterator(); it.hasNext(); ) { |
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if(it.next() != MISSING) |
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if (it.next() != MISSING) |
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++sum; |
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} |
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timer.finish(); |
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reallyAssert (sum == size); |
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timer.finish(); |
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reallyAssert(sum == size); |
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} |
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|
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static void ittest4(Map<Integer,Integer> s, int size, int pos) { |
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IdentityHashMap seen = new IdentityHashMap(size); |
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reallyAssert (s.size() == size); |
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reallyAssert(s.size() == size); |
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int sum = 0; |
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timer.start("Iter XEntry ", size); |
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Iterator it = s.entrySet().iterator(); |
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Iterator it = s.entrySet().iterator(); |
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Integer k = null; |
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Integer v = null; |
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for (int i = 0; i < size-pos; ++i) { |
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if (v != MISSING) |
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++sum; |
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} |
262 |
< |
reallyAssert (s.containsKey(k)); |
262 |
> |
reallyAssert(s.containsKey(k)); |
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it.remove(); |
264 |
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reallyAssert (!s.containsKey(k)); |
264 |
> |
reallyAssert(!s.containsKey(k)); |
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while (it.hasNext()) { |
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Map.Entry<Integer,Integer> x = (Map.Entry<Integer,Integer>)(it.next()); |
267 |
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Integer k2 = (Integer)x.getKey(); |
267 |
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Integer k2 = x.getKey(); |
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seen.put(k2, k2); |
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if (k2 != MISSING) |
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++sum; |
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} |
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|
273 |
< |
reallyAssert (s.size() == size-1); |
273 |
> |
reallyAssert(s.size() == size-1); |
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s.put(k, v); |
275 |
< |
reallyAssert (seen.size() == size); |
276 |
< |
timer.finish(); |
277 |
< |
reallyAssert (sum == size); |
278 |
< |
reallyAssert (s.size() == size); |
275 |
> |
reallyAssert(seen.size() == size); |
276 |
> |
timer.finish(); |
277 |
> |
reallyAssert(sum == size); |
278 |
> |
reallyAssert(s.size() == size); |
279 |
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} |
280 |
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|
289 |
– |
|
281 |
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static void ittest(Map<Integer,Integer> s, int size) { |
282 |
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for (int i = 0; i < 4; ++i) { |
283 |
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ittest1(s, size); |
284 |
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ittest2(s, size); |
285 |
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ittest3(s, size); |
286 |
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} |
287 |
< |
// for (int i = 0; i < size-1; ++i) |
287 |
> |
// for (int i = 0; i < size-1; ++i) |
288 |
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// ittest4(s, size, i); |
289 |
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} |
290 |
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|
296 |
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if (en.nextElement() != MISSING) |
297 |
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++sum; |
298 |
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} |
299 |
< |
timer.finish(); |
300 |
< |
reallyAssert (sum == size); |
299 |
> |
timer.finish(); |
300 |
> |
reallyAssert(sum == size); |
301 |
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} |
302 |
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|
303 |
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static void entest2(Hashtable ht, int size) { |
307 |
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if (en.nextElement() != MISSING) |
308 |
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++sum; |
309 |
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} |
310 |
< |
timer.finish(); |
311 |
< |
reallyAssert (sum == size); |
310 |
> |
timer.finish(); |
311 |
> |
reallyAssert(sum == size); |
312 |
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} |
313 |
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|
323 |
– |
|
314 |
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static void entest3(Hashtable ht, int size) { |
315 |
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int sum = 0; |
316 |
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|
317 |
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timer.start("Iterf Enumeration Key ", size); |
318 |
< |
Enumeration en = ht.keys(); |
318 |
> |
Enumeration en = ht.keys(); |
319 |
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for (int i = 0; i < size; ++i) { |
320 |
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if (en.nextElement() != MISSING) |
321 |
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++sum; |
322 |
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} |
323 |
< |
timer.finish(); |
324 |
< |
reallyAssert (sum == size); |
323 |
> |
timer.finish(); |
324 |
> |
reallyAssert(sum == size); |
325 |
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} |
326 |
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|
327 |
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static void entest4(Hashtable ht, int size) { |
328 |
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int sum = 0; |
329 |
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timer.start("Iterf Enumeration Value", size); |
330 |
< |
Enumeration en = ht.elements(); |
330 |
> |
Enumeration en = ht.elements(); |
331 |
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for (int i = 0; i < size; ++i) { |
332 |
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if (en.nextElement() != MISSING) |
333 |
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++sum; |
334 |
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} |
335 |
< |
timer.finish(); |
336 |
< |
reallyAssert (sum == size); |
335 |
> |
timer.finish(); |
336 |
> |
reallyAssert(sum == size); |
337 |
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} |
338 |
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|
339 |
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static void entest(Map<Integer,Integer> s, int size) { |
340 |
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if (s instanceof Hashtable) { |
341 |
< |
Hashtable ht = (Hashtable)s; |
341 |
> |
Hashtable ht = (Hashtable) s; |
342 |
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// entest3(ht, size); |
343 |
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// entest4(ht, size); |
344 |
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entest1(ht, size); |
357 |
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it.remove(); |
358 |
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} |
359 |
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reallyAssert(s.isEmpty()); |
360 |
< |
timer.finish(); |
360 |
> |
timer.finish(); |
361 |
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} |
362 |
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|
363 |
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static void stest(Map<Integer,Integer> s, int size) throws Exception { |
364 |
< |
if (!(s instanceof Serializable)) |
364 |
> |
if (!(s instanceof Serializable)) |
365 |
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return; |
366 |
|
System.out.print("Serialize : "); |
367 |
< |
|
367 |
> |
|
368 |
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for (int i = 0; i < size; i++) { |
369 |
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s.put(Integer.valueOf(i), Integer.valueOf(1)); |
370 |
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} |
386 |
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System.out.print(time + "ms"); |
387 |
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|
388 |
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if (s instanceof IdentityHashMap) return; |
389 |
< |
reallyAssert (s.equals(m)); |
389 |
> |
reallyAssert(s.equals(m)); |
390 |
|
} |
391 |
|
|
402 |
– |
|
392 |
|
static void test(Map<Integer,Integer> s, Integer[] key) { |
393 |
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int size = key.length; |
394 |
|
|
422 |
|
reallyAssert(s.size() == size); |
423 |
|
timer.start("Clear ", size); |
424 |
|
s.clear(); |
425 |
< |
timer.finish(); |
425 |
> |
timer.finish(); |
426 |
|
t1("Get (absent) ", size, s, key, 0, 1); |
427 |
|
t4("ContainsKey ", size, s, key, 0); |
428 |
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t2("Remove (absent) ", size, s, key, 0); |
434 |
|
reallyAssert(s.size() == 0); |
435 |
|
timer.start("Clear ", size); |
436 |
|
s.clear(); |
437 |
< |
timer.finish(); |
437 |
> |
timer.finish(); |
438 |
|
t3("Put (presized) ", size, s, key, size); |
439 |
|
|
440 |
|
timer.start("Put (putAll) ", size * 2); |
441 |
< |
Map<Integer,Integer> s2 = null; |
441 |
> |
final Map<Integer,Integer> s2; |
442 |
|
try { |
443 |
< |
s2 = (Map<Integer,Integer>) (s.getClass().newInstance()); |
443 |
> |
s2 = (Map<Integer,Integer>) |
444 |
> |
s.getClass().getConstructor().newInstance(); |
445 |
|
s2.putAll(s); |
446 |
|
} |
447 |
|
catch (Exception e) { e.printStackTrace(); return; } |
448 |
< |
timer.finish(); |
449 |
< |
|
448 |
> |
timer.finish(); |
449 |
> |
|
450 |
|
timer.start("Iter Equals ", size * 2); |
451 |
|
boolean eqt = s2.equals(s) && s.equals(s2); |
452 |
< |
reallyAssert (eqt); |
453 |
< |
timer.finish(); |
452 |
> |
reallyAssert(eqt); |
453 |
> |
timer.finish(); |
454 |
|
|
455 |
|
timer.start("Iter HashCode ", size * 2); |
456 |
|
int shc = s.hashCode(); |
457 |
|
int s2hc = s2.hashCode(); |
458 |
< |
reallyAssert (shc == s2hc); |
459 |
< |
timer.finish(); |
458 |
> |
reallyAssert(shc == s2hc); |
459 |
> |
timer.finish(); |
460 |
|
|
461 |
|
timer.start("Put (present) ", size * 2); |
462 |
|
s2.putAll(s); |
463 |
< |
timer.finish(); |
463 |
> |
timer.finish(); |
464 |
|
|
465 |
|
timer.start("Put (present) ", size); |
466 |
|
int ipsum = 0; |
469 |
|
if (s2.put(me.getKey(), me.getValue()) != null) |
470 |
|
++ipsum; |
471 |
|
} |
472 |
< |
reallyAssert (ipsum == s.size()); |
473 |
< |
timer.finish(); |
472 |
> |
reallyAssert(ipsum == s.size()); |
473 |
> |
timer.finish(); |
474 |
|
|
475 |
|
timer.start("Iter EntrySet contains ", size * 2); |
476 |
|
Set es2 = s2.entrySet(); |
479 |
|
Object entry = i1.next(); |
480 |
|
if (es2.contains(entry)) ++sum; |
481 |
|
} |
482 |
< |
timer.finish(); |
483 |
< |
reallyAssert (sum == size); |
482 |
> |
timer.finish(); |
483 |
> |
reallyAssert(sum == size); |
484 |
|
|
485 |
|
Integer hold = s2.get(key[size-1]); |
486 |
|
s2.put(key[size-1], absent[0]); |
487 |
|
timer.start("Iter Equals ", size * 2); |
488 |
|
eqt = s2.equals(s) && s.equals(s2); |
489 |
< |
reallyAssert (!eqt); |
490 |
< |
timer.finish(); |
489 |
> |
reallyAssert(!eqt); |
490 |
> |
timer.finish(); |
491 |
|
|
492 |
|
timer.start("Iter HashCode ", size * 2); |
493 |
|
int s1h = s.hashCode(); |
494 |
|
int s2h = s2.hashCode(); |
495 |
< |
reallyAssert (s1h != s2h); |
496 |
< |
timer.finish(); |
495 |
> |
reallyAssert(s1h != s2h); |
496 |
> |
timer.finish(); |
497 |
|
|
498 |
|
s2.put(key[size-1], hold); |
499 |
|
timer.start("Remove (present) ", size * 2); |
501 |
|
Set es = s.entrySet(); |
502 |
|
while (s2i.hasNext()) |
503 |
|
reallyAssert(es.remove(s2i.next())); |
504 |
< |
timer.finish(); |
504 |
> |
timer.finish(); |
505 |
|
|
506 |
< |
reallyAssert (s.isEmpty()); |
506 |
> |
reallyAssert(s.isEmpty()); |
507 |
|
|
508 |
|
timer.start("Clear ", size); |
509 |
|
s2.clear(); |
510 |
< |
timer.finish(); |
511 |
< |
reallyAssert (s2.isEmpty() && s.isEmpty()); |
510 |
> |
timer.finish(); |
511 |
> |
reallyAssert(s2.isEmpty() && s.isEmpty()); |
512 |
|
} |
513 |
|
|
514 |
|
static class TestTimer { |
518 |
|
private String cname; |
519 |
|
|
520 |
|
static final java.util.TreeMap accum = new java.util.TreeMap(); |
521 |
< |
|
521 |
> |
|
522 |
|
static void printStats() { |
523 |
|
for (Iterator it = accum.entrySet().iterator(); it.hasNext(); ) { |
524 |
|
Map.Entry e = (Map.Entry)(it.next()); |
525 |
< |
Stats stats = ((Stats)(e.getValue())); |
525 |
> |
Stats stats = ((Stats) (e.getValue())); |
526 |
|
long n = stats.number; |
527 |
|
double t; |
528 |
< |
if (n > 0) |
528 |
> |
if (n > 0) |
529 |
|
t = stats.sum / n; |
530 |
|
else |
531 |
|
t = stats.least; |
533 |
|
System.out.println(e.getKey() + ": " + nano); |
534 |
|
} |
535 |
|
} |
536 |
< |
|
536 |
> |
|
537 |
|
void start(String name, long numOps) { |
538 |
|
this.name = name; |
539 |
|
this.cname = classify(); |
540 |
|
this.numOps = numOps; |
541 |
|
startTime = System.nanoTime(); |
542 |
|
} |
553 |
– |
|
543 |
|
|
544 |
|
String classify() { |
545 |
|
if (name.startsWith("Get")) |
550 |
|
return "Remove "; |
551 |
|
else if (name.startsWith("Iter")) |
552 |
|
return "Iter "; |
553 |
< |
else |
553 |
> |
else |
554 |
|
return null; |
555 |
|
} |
556 |
|
|
557 |
|
void finish() { |
558 |
|
long endTime = System.nanoTime(); |
559 |
|
long time = endTime - startTime; |
560 |
< |
double timePerOp = ((double)time)/numOps; |
560 |
> |
double timePerOp = ((double) time)/numOps; |
561 |
|
|
562 |
|
Object st = accum.get(name); |
563 |
|
if (st == null) |
596 |
|
|
597 |
|
static void shuffle(Integer[] keys) { |
598 |
|
int size = keys.length; |
599 |
< |
for (int i=size; i>1; i--) { |
599 |
> |
for (int i = size; i > 1; i--) { |
600 |
|
int r = rng.nextInt(i); |
601 |
|
Integer t = keys[i-1]; |
602 |
|
keys[i-1] = keys[r]; |
605 |
|
} |
606 |
|
|
607 |
|
} |
619 |
– |
|