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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/publicdomain/zero/1.0/ |
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*/ |
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|
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import junit.framework.*; |
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import java.util.*; |
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import java.util.function.*; |
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import java.util.concurrent.atomic.LongAdder; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.ConcurrentHashMap.KeySetView; |
13 |
|
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public class ConcurrentHashMap8Test extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ConcurrentHashMap8Test.class); |
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} |
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|
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/** |
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* Returns a new map from Integers 1-5 to Strings "A"-"E". |
24 |
*/ |
25 |
private static ConcurrentHashMap map5() { |
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ConcurrentHashMap map = new ConcurrentHashMap(5); |
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assertTrue(map.isEmpty()); |
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map.put(one, "A"); |
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map.put(two, "B"); |
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map.put(three, "C"); |
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map.put(four, "D"); |
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map.put(five, "E"); |
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assertFalse(map.isEmpty()); |
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assertEquals(5, map.size()); |
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return map; |
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} |
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|
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/** |
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* getOrDefault returns value if present, else default |
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*/ |
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public void testGetOrDefault() { |
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ConcurrentHashMap map = map5(); |
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assertEquals(map.getOrDefault(one, "Z"), "A"); |
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assertEquals(map.getOrDefault(six, "Z"), "Z"); |
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} |
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|
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/** |
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* computeIfAbsent adds when the given key is not present |
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*/ |
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public void testComputeIfAbsent() { |
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ConcurrentHashMap map = map5(); |
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map.computeIfAbsent(six, (x) -> "Z"); |
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assertTrue(map.containsKey(six)); |
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} |
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|
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/** |
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* computeIfAbsent does not replace if the key is already present |
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*/ |
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public void testComputeIfAbsent2() { |
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ConcurrentHashMap map = map5(); |
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assertEquals("A", map.computeIfAbsent(one, (x) -> "Z")); |
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} |
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|
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/** |
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* computeIfAbsent does not add if function returns null |
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*/ |
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public void testComputeIfAbsent3() { |
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ConcurrentHashMap map = map5(); |
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map.computeIfAbsent(six, (x) -> null); |
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assertFalse(map.containsKey(six)); |
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} |
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|
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/** |
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* computeIfPresent does not replace if the key is already present |
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*/ |
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public void testComputeIfPresent() { |
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ConcurrentHashMap map = map5(); |
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map.computeIfPresent(six, (x, y) -> "Z"); |
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assertFalse(map.containsKey(six)); |
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} |
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|
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/** |
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* computeIfPresent adds when the given key is not present |
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*/ |
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public void testComputeIfPresent2() { |
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ConcurrentHashMap map = map5(); |
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assertEquals("Z", map.computeIfPresent(one, (x, y) -> "Z")); |
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} |
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|
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/** |
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* compute does not replace if the function returns null |
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*/ |
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public void testCompute() { |
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ConcurrentHashMap map = map5(); |
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map.compute(six, (x, y) -> null); |
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assertFalse(map.containsKey(six)); |
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} |
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|
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/** |
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* compute adds when the given key is not present |
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*/ |
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public void testCompute2() { |
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ConcurrentHashMap map = map5(); |
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assertEquals("Z", map.compute(six, (x, y) -> "Z")); |
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} |
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|
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/** |
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* compute replaces when the given key is present |
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*/ |
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public void testCompute3() { |
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ConcurrentHashMap map = map5(); |
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assertEquals("Z", map.compute(one, (x, y) -> "Z")); |
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} |
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|
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/** |
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* compute removes when the given key is present and function returns null |
117 |
*/ |
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public void testCompute4() { |
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ConcurrentHashMap map = map5(); |
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map.compute(one, (x, y) -> null); |
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assertFalse(map.containsKey(one)); |
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} |
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|
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/** |
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* merge adds when the given key is not present |
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*/ |
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public void testMerge1() { |
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ConcurrentHashMap map = map5(); |
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assertEquals("Y", map.merge(six, "Y", (x, y) -> "Z")); |
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} |
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|
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/** |
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* merge replaces when the given key is present |
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*/ |
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public void testMerge2() { |
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ConcurrentHashMap map = map5(); |
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assertEquals("Z", map.merge(one, "Y", (x, y) -> "Z")); |
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} |
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|
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/** |
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* merge removes when the given key is present and function returns null |
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*/ |
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public void testMerge3() { |
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ConcurrentHashMap map = map5(); |
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map.merge(one, "Y", (x, y) -> null); |
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assertFalse(map.containsKey(one)); |
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} |
148 |
|
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static Set<Integer> populatedSet(int n) { |
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Set<Integer> a = ConcurrentHashMap.<Integer>newKeySet(); |
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assertTrue(a.isEmpty()); |
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for (int i = 0; i < n; i++) |
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a.add(i); |
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assertFalse(a.isEmpty()); |
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assertEquals(n, a.size()); |
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return a; |
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} |
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|
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static Set populatedSet(Integer[] elements) { |
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Set<Integer> a = ConcurrentHashMap.<Integer>newKeySet(); |
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assertTrue(a.isEmpty()); |
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for (int i = 0; i < elements.length; i++) |
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a.add(elements[i]); |
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assertFalse(a.isEmpty()); |
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assertEquals(elements.length, a.size()); |
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return a; |
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} |
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|
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/* |
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* replaceAll replaces all matching values. |
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*/ |
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public void testReplaceAll() { |
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ConcurrentHashMap<Integer, String> map = map5(); |
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map.replaceAll((x, y) -> {return x > 3 ? "Z" : y;}); |
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assertEquals("A", map.get(one)); |
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assertEquals("B", map.get(two)); |
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assertEquals("C", map.get(three)); |
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assertEquals("Z", map.get(four)); |
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assertEquals("Z", map.get(five)); |
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} |
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|
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/** |
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* Default-constructed set is empty |
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*/ |
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public void testNewKeySet() { |
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Set a = ConcurrentHashMap.newKeySet(); |
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assertTrue(a.isEmpty()); |
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} |
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|
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/** |
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* keySet.add adds the key with the established value to the map; |
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* remove removes it. |
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*/ |
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public void testKeySetAddRemove() { |
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ConcurrentHashMap map = map5(); |
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Set set1 = map.keySet(); |
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Set set2 = map.keySet(true); |
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set2.add(six); |
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assertTrue(((KeySetView)set2).getMap() == map); |
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assertTrue(((KeySetView)set1).getMap() == map); |
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assertEquals(set2.size(), map.size()); |
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assertEquals(set1.size(), map.size()); |
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assertTrue((Boolean)map.get(six)); |
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assertTrue(set1.contains(six)); |
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assertTrue(set2.contains(six)); |
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set2.remove(six); |
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assertNull(map.get(six)); |
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assertFalse(set1.contains(six)); |
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assertFalse(set2.contains(six)); |
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} |
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|
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|
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/** |
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* keySet.addAll adds each element from the given collection |
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*/ |
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public void testAddAll() { |
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Set full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(three); |
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v.add(four); |
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v.add(five); |
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full.addAll(v); |
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assertEquals(6, full.size()); |
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} |
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|
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/** |
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* keySet.addAll adds each element from the given collection that did not |
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* already exist in the set |
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*/ |
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public void testAddAll2() { |
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Set full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(three); |
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v.add(four); |
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v.add(one); // will not add this element |
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full.addAll(v); |
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assertEquals(5, full.size()); |
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} |
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|
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/** |
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* keySet.add will not add the element if it already exists in the set |
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*/ |
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public void testAdd2() { |
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Set full = populatedSet(3); |
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full.add(one); |
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assertEquals(3, full.size()); |
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} |
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|
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/** |
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* keySet.add adds the element when it does not exist in the set |
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*/ |
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public void testAdd3() { |
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Set full = populatedSet(3); |
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full.add(three); |
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assertTrue(full.contains(three)); |
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} |
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|
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|
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/** |
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* keySet.add throws UnsupportedOperationException if no default |
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* mapped value |
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*/ |
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public void testAdd4() { |
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Set full = map5().keySet(); |
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try { |
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full.add(three); |
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shouldThrow(); |
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} catch (UnsupportedOperationException e){} |
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} |
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|
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/** |
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* keySet.add throws NullPointerException if the specified key is |
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* null |
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*/ |
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public void testAdd5() { |
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Set full = populatedSet(3); |
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try { |
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full.add(null); |
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shouldThrow(); |
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} catch (NullPointerException e){} |
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} |
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|
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/** |
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* KeySetView.getMappedValue returns the map's mapped value |
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*/ |
286 |
public void testGetMappedValue() { |
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ConcurrentHashMap map = map5(); |
288 |
assertNull(map.keySet().getMappedValue()); |
289 |
try { |
290 |
map.keySet(null); |
291 |
shouldThrow(); |
292 |
} catch (NullPointerException e) {} |
293 |
KeySetView set = map.keySet(one); |
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set.add(one); |
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set.add(six); |
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set.add(seven); |
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assertTrue(set.getMappedValue() == one); |
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assertTrue(map.get(one) != one); |
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assertTrue(map.get(six) == one); |
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assertTrue(map.get(seven) == one); |
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} |
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|
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/** |
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* KeySetView.spliterator returns spliterator over the elements in this set |
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*/ |
306 |
public void testKeySetSpliterator() { |
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LongAdder adder = new LongAdder(); |
308 |
ConcurrentHashMap map = map5(); |
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Set set = map.keySet(); |
310 |
Spliterator<Integer> sp = set.spliterator(); |
311 |
assertEquals(sp.estimateSize(), map.size()); |
312 |
Spliterator<Integer> sp2 = sp.trySplit(); |
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sp.forEachRemaining((Integer x) -> adder.add(x.longValue())); |
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long v = adder.sumThenReset(); |
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sp2.forEachRemaining((Integer x) -> adder.add(x.longValue())); |
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long v2 = adder.sum(); |
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assertEquals(v + v2, 15); |
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} |
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|
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|
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/** |
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* keyset.clear removes all elements from the set |
323 |
*/ |
324 |
public void testClear() { |
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Set full = populatedSet(3); |
326 |
full.clear(); |
327 |
assertEquals(0, full.size()); |
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} |
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|
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/** |
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* keyset.contains returns true for added elements |
332 |
*/ |
333 |
public void testContains() { |
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Set full = populatedSet(3); |
335 |
assertTrue(full.contains(one)); |
336 |
assertFalse(full.contains(five)); |
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} |
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|
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/** |
340 |
* KeySets with equal elements are equal |
341 |
*/ |
342 |
public void testEquals() { |
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Set a = populatedSet(3); |
344 |
Set b = populatedSet(3); |
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assertTrue(a.equals(b)); |
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assertTrue(b.equals(a)); |
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assertEquals(a.hashCode(), b.hashCode()); |
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a.add(m1); |
349 |
assertFalse(a.equals(b)); |
350 |
assertFalse(b.equals(a)); |
351 |
b.add(m1); |
352 |
assertTrue(a.equals(b)); |
353 |
assertTrue(b.equals(a)); |
354 |
assertEquals(a.hashCode(), b.hashCode()); |
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} |
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|
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/** |
358 |
* KeySet.containsAll returns true for collections with subset of elements |
359 |
*/ |
360 |
public void testContainsAll() { |
361 |
Set full = populatedSet(3); |
362 |
Vector v = new Vector(); |
363 |
v.add(one); |
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v.add(two); |
365 |
assertTrue(full.containsAll(v)); |
366 |
v.add(six); |
367 |
assertFalse(full.containsAll(v)); |
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} |
369 |
|
370 |
/** |
371 |
* KeySet.isEmpty is true when empty, else false |
372 |
*/ |
373 |
public void testIsEmpty() { |
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Set empty = ConcurrentHashMap.newKeySet(); |
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Set full = populatedSet(3); |
376 |
assertTrue(empty.isEmpty()); |
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assertFalse(full.isEmpty()); |
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} |
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|
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/** |
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* KeySet.iterator() returns an iterator containing the elements of the |
382 |
* set |
383 |
*/ |
384 |
public void testIterator() { |
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Collection empty = ConcurrentHashMap.newKeySet(); |
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int size = 20; |
387 |
assertFalse(empty.iterator().hasNext()); |
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try { |
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empty.iterator().next(); |
390 |
shouldThrow(); |
391 |
} catch (NoSuchElementException success) {} |
392 |
|
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Integer[] elements = new Integer[size]; |
394 |
for (int i = 0; i < size; i++) |
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elements[i] = i; |
396 |
Collections.shuffle(Arrays.asList(elements)); |
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Collection<Integer> full = populatedSet(elements); |
398 |
|
399 |
Iterator it = full.iterator(); |
400 |
for (int j = 0; j < size; j++) { |
401 |
assertTrue(it.hasNext()); |
402 |
it.next(); |
403 |
} |
404 |
assertFalse(it.hasNext()); |
405 |
try { |
406 |
it.next(); |
407 |
shouldThrow(); |
408 |
} catch (NoSuchElementException success) {} |
409 |
} |
410 |
|
411 |
/** |
412 |
* KeySet.iterator.remove removes current element |
413 |
*/ |
414 |
public void testIteratorRemove() { |
415 |
Set q = populatedSet(3); |
416 |
Iterator it = q.iterator(); |
417 |
Object removed = it.next(); |
418 |
it.remove(); |
419 |
|
420 |
it = q.iterator(); |
421 |
assertFalse(it.next().equals(removed)); |
422 |
assertFalse(it.next().equals(removed)); |
423 |
assertFalse(it.hasNext()); |
424 |
} |
425 |
|
426 |
/** |
427 |
* KeySet.toString holds toString of elements |
428 |
*/ |
429 |
public void testToString() { |
430 |
assertEquals("[]", ConcurrentHashMap.newKeySet().toString()); |
431 |
Set full = populatedSet(3); |
432 |
String s = full.toString(); |
433 |
for (int i = 0; i < 3; ++i) |
434 |
assertTrue(s.contains(String.valueOf(i))); |
435 |
} |
436 |
|
437 |
/** |
438 |
* KeySet.removeAll removes all elements from the given collection |
439 |
*/ |
440 |
public void testRemoveAll() { |
441 |
Set full = populatedSet(3); |
442 |
Vector v = new Vector(); |
443 |
v.add(one); |
444 |
v.add(two); |
445 |
full.removeAll(v); |
446 |
assertEquals(1, full.size()); |
447 |
} |
448 |
|
449 |
/** |
450 |
* KeySet.remove removes an element |
451 |
*/ |
452 |
public void testRemove() { |
453 |
Set full = populatedSet(3); |
454 |
full.remove(one); |
455 |
assertFalse(full.contains(one)); |
456 |
assertEquals(2, full.size()); |
457 |
} |
458 |
|
459 |
/** |
460 |
* keySet.size returns the number of elements |
461 |
*/ |
462 |
public void testSize() { |
463 |
Set empty = ConcurrentHashMap.newKeySet(); |
464 |
Set full = populatedSet(3); |
465 |
assertEquals(3, full.size()); |
466 |
assertEquals(0, empty.size()); |
467 |
} |
468 |
|
469 |
/** |
470 |
* KeySet.toArray() returns an Object array containing all elements from |
471 |
* the set |
472 |
*/ |
473 |
public void testToArray() { |
474 |
Object[] a = ConcurrentHashMap.newKeySet().toArray(); |
475 |
assertTrue(Arrays.equals(new Object[0], a)); |
476 |
assertSame(Object[].class, a.getClass()); |
477 |
int size = 20; |
478 |
Integer[] elements = new Integer[size]; |
479 |
for (int i = 0; i < size; i++) |
480 |
elements[i] = i; |
481 |
Collections.shuffle(Arrays.asList(elements)); |
482 |
Collection<Integer> full = populatedSet(elements); |
483 |
|
484 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray()))); |
485 |
assertTrue(full.containsAll(Arrays.asList(full.toArray()))); |
486 |
assertSame(Object[].class, full.toArray().getClass()); |
487 |
} |
488 |
|
489 |
/** |
490 |
* toArray(Integer array) returns an Integer array containing all |
491 |
* elements from the set |
492 |
*/ |
493 |
public void testToArray2() { |
494 |
Collection empty = ConcurrentHashMap.newKeySet(); |
495 |
Integer[] a; |
496 |
int size = 20; |
497 |
|
498 |
a = new Integer[0]; |
499 |
assertSame(a, empty.toArray(a)); |
500 |
|
501 |
a = new Integer[size/2]; |
502 |
Arrays.fill(a, 42); |
503 |
assertSame(a, empty.toArray(a)); |
504 |
assertNull(a[0]); |
505 |
for (int i = 1; i < a.length; i++) |
506 |
assertEquals(42, (int) a[i]); |
507 |
|
508 |
Integer[] elements = new Integer[size]; |
509 |
for (int i = 0; i < size; i++) |
510 |
elements[i] = i; |
511 |
Collections.shuffle(Arrays.asList(elements)); |
512 |
Collection<Integer> full = populatedSet(elements); |
513 |
|
514 |
Arrays.fill(a, 42); |
515 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
516 |
for (int i = 0; i < a.length; i++) |
517 |
assertEquals(42, (int) a[i]); |
518 |
assertSame(Integer[].class, full.toArray(a).getClass()); |
519 |
|
520 |
a = new Integer[size]; |
521 |
Arrays.fill(a, 42); |
522 |
assertSame(a, full.toArray(a)); |
523 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
524 |
} |
525 |
|
526 |
/** |
527 |
* A deserialized serialized set is equal |
528 |
*/ |
529 |
public void testSerialization() throws Exception { |
530 |
int size = 20; |
531 |
Set x = populatedSet(size); |
532 |
Set y = serialClone(x); |
533 |
|
534 |
assertNotSame(x, y); |
535 |
assertEquals(x.size(), y.size()); |
536 |
assertEquals(x.toString(), y.toString()); |
537 |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
538 |
assertEquals(x, y); |
539 |
assertEquals(y, x); |
540 |
} |
541 |
|
542 |
static final int SIZE = 10000; |
543 |
static ConcurrentHashMap<Long, Long> longMap; |
544 |
|
545 |
static ConcurrentHashMap<Long, Long> longMap() { |
546 |
if (longMap == null) { |
547 |
longMap = new ConcurrentHashMap<Long, Long>(SIZE); |
548 |
for (int i = 0; i < SIZE; ++i) |
549 |
longMap.put(Long.valueOf(i), Long.valueOf(2 *i)); |
550 |
} |
551 |
return longMap; |
552 |
} |
553 |
|
554 |
// explicit function class to avoid type inference problems |
555 |
static class AddKeys implements BiFunction<Map.Entry<Long,Long>, Map.Entry<Long,Long>, Map.Entry<Long,Long>> { |
556 |
public Map.Entry<Long,Long> apply(Map.Entry<Long,Long> x, Map.Entry<Long,Long> y) { |
557 |
return new AbstractMap.SimpleEntry<Long,Long> |
558 |
(Long.valueOf(x.getKey().longValue() + y.getKey().longValue()), |
559 |
Long.valueOf(1L)); |
560 |
} |
561 |
} |
562 |
|
563 |
/** |
564 |
* forEachKeySequentially traverses all keys |
565 |
*/ |
566 |
public void testForEachKeySequentially() { |
567 |
LongAdder adder = new LongAdder(); |
568 |
ConcurrentHashMap<Long, Long> m = longMap(); |
569 |
m.forEachKey(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue())); |
570 |
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2); |
571 |
} |
572 |
|
573 |
/** |
574 |
* forEachValueSequentially traverses all values |
575 |
*/ |
576 |
public void testForEachValueSequentially() { |
577 |
LongAdder adder = new LongAdder(); |
578 |
ConcurrentHashMap<Long, Long> m = longMap(); |
579 |
m.forEachValue(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue())); |
580 |
assertEquals(adder.sum(), SIZE * (SIZE - 1)); |
581 |
} |
582 |
|
583 |
/** |
584 |
* forEachSequentially traverses all mappings |
585 |
*/ |
586 |
public void testForEachSequentially() { |
587 |
LongAdder adder = new LongAdder(); |
588 |
ConcurrentHashMap<Long, Long> m = longMap(); |
589 |
m.forEach(Long.MAX_VALUE, (Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
590 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
591 |
} |
592 |
|
593 |
/** |
594 |
* forEachEntrySequentially traverses all entries |
595 |
*/ |
596 |
public void testForEachEntrySequentially() { |
597 |
LongAdder adder = new LongAdder(); |
598 |
ConcurrentHashMap<Long, Long> m = longMap(); |
599 |
m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
600 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
601 |
} |
602 |
|
603 |
/** |
604 |
* forEachKeyInParallel traverses all keys |
605 |
*/ |
606 |
public void testForEachKeyInParallel() { |
607 |
LongAdder adder = new LongAdder(); |
608 |
ConcurrentHashMap<Long, Long> m = longMap(); |
609 |
m.forEachKey(1L, (Long x) -> adder.add(x.longValue())); |
610 |
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2); |
611 |
} |
612 |
|
613 |
/** |
614 |
* forEachValueInParallel traverses all values |
615 |
*/ |
616 |
public void testForEachValueInParallel() { |
617 |
LongAdder adder = new LongAdder(); |
618 |
ConcurrentHashMap<Long, Long> m = longMap(); |
619 |
m.forEachValue(1L, (Long x) -> adder.add(x.longValue())); |
620 |
assertEquals(adder.sum(), SIZE * (SIZE - 1)); |
621 |
} |
622 |
|
623 |
/** |
624 |
* forEachInParallel traverses all mappings |
625 |
*/ |
626 |
public void testForEachInParallel() { |
627 |
LongAdder adder = new LongAdder(); |
628 |
ConcurrentHashMap<Long, Long> m = longMap(); |
629 |
m.forEach(1L, (Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
630 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
631 |
} |
632 |
|
633 |
/** |
634 |
* forEachEntryInParallel traverses all entries |
635 |
*/ |
636 |
public void testForEachEntryInParallel() { |
637 |
LongAdder adder = new LongAdder(); |
638 |
ConcurrentHashMap<Long, Long> m = longMap(); |
639 |
m.forEachEntry(1L, (Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
640 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
641 |
} |
642 |
|
643 |
/** |
644 |
* Mapped forEachKeySequentially traverses the given |
645 |
* transformations of all keys |
646 |
*/ |
647 |
public void testMappedForEachKeySequentially() { |
648 |
LongAdder adder = new LongAdder(); |
649 |
ConcurrentHashMap<Long, Long> m = longMap(); |
650 |
m.forEachKey(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
651 |
(Long x) -> adder.add(x.longValue())); |
652 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
653 |
} |
654 |
|
655 |
/** |
656 |
* Mapped forEachValueSequentially traverses the given |
657 |
* transformations of all values |
658 |
*/ |
659 |
public void testMappedForEachValueSequentially() { |
660 |
LongAdder adder = new LongAdder(); |
661 |
ConcurrentHashMap<Long, Long> m = longMap(); |
662 |
m.forEachValue(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
663 |
(Long x) -> adder.add(x.longValue())); |
664 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1)); |
665 |
} |
666 |
|
667 |
/** |
668 |
* Mapped forEachSequentially traverses the given |
669 |
* transformations of all mappings |
670 |
*/ |
671 |
public void testMappedForEachSequentially() { |
672 |
LongAdder adder = new LongAdder(); |
673 |
ConcurrentHashMap<Long, Long> m = longMap(); |
674 |
m.forEach(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
675 |
(Long x) -> adder.add(x.longValue())); |
676 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
677 |
} |
678 |
|
679 |
/** |
680 |
* Mapped forEachEntrySequentially traverses the given |
681 |
* transformations of all entries |
682 |
*/ |
683 |
public void testMappedForEachEntrySequentially() { |
684 |
LongAdder adder = new LongAdder(); |
685 |
ConcurrentHashMap<Long, Long> m = longMap(); |
686 |
m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
687 |
(Long x) -> adder.add(x.longValue())); |
688 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
689 |
} |
690 |
|
691 |
/** |
692 |
* Mapped forEachKeyInParallel traverses the given |
693 |
* transformations of all keys |
694 |
*/ |
695 |
public void testMappedForEachKeyInParallel() { |
696 |
LongAdder adder = new LongAdder(); |
697 |
ConcurrentHashMap<Long, Long> m = longMap(); |
698 |
m.forEachKey(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
699 |
(Long x) -> adder.add(x.longValue())); |
700 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
701 |
} |
702 |
|
703 |
/** |
704 |
* Mapped forEachValueInParallel traverses the given |
705 |
* transformations of all values |
706 |
*/ |
707 |
public void testMappedForEachValueInParallel() { |
708 |
LongAdder adder = new LongAdder(); |
709 |
ConcurrentHashMap<Long, Long> m = longMap(); |
710 |
m.forEachValue(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
711 |
(Long x) -> adder.add(x.longValue())); |
712 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1)); |
713 |
} |
714 |
|
715 |
/** |
716 |
* Mapped forEachInParallel traverses the given |
717 |
* transformations of all mappings |
718 |
*/ |
719 |
public void testMappedForEachInParallel() { |
720 |
LongAdder adder = new LongAdder(); |
721 |
ConcurrentHashMap<Long, Long> m = longMap(); |
722 |
m.forEach(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
723 |
(Long x) -> adder.add(x.longValue())); |
724 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
725 |
} |
726 |
|
727 |
/** |
728 |
* Mapped forEachEntryInParallel traverses the given |
729 |
* transformations of all entries |
730 |
*/ |
731 |
public void testMappedForEachEntryInParallel() { |
732 |
LongAdder adder = new LongAdder(); |
733 |
ConcurrentHashMap<Long, Long> m = longMap(); |
734 |
m.forEachEntry(1L, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
735 |
(Long x) -> adder.add(x.longValue())); |
736 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
737 |
} |
738 |
|
739 |
/** |
740 |
* reduceKeysSequentially accumulates across all keys, |
741 |
*/ |
742 |
public void testReduceKeysSequentially() { |
743 |
ConcurrentHashMap<Long, Long> m = longMap(); |
744 |
Long r; |
745 |
r = m.reduceKeys(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
746 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
747 |
} |
748 |
|
749 |
/** |
750 |
* reduceValuesSequentially accumulates across all values |
751 |
*/ |
752 |
public void testReduceValuesSequentially() { |
753 |
ConcurrentHashMap<Long, Long> m = longMap(); |
754 |
Long r; |
755 |
r = m.reduceKeys(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
756 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
757 |
} |
758 |
|
759 |
/** |
760 |
* reduceEntriesSequentially accumulates across all entries |
761 |
*/ |
762 |
public void testReduceEntriesSequentially() { |
763 |
ConcurrentHashMap<Long, Long> m = longMap(); |
764 |
Map.Entry<Long,Long> r; |
765 |
r = m.reduceEntries(Long.MAX_VALUE, new AddKeys()); |
766 |
assertEquals(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
767 |
} |
768 |
|
769 |
/** |
770 |
* reduceKeysInParallel accumulates across all keys |
771 |
*/ |
772 |
public void testReduceKeysInParallel() { |
773 |
ConcurrentHashMap<Long, Long> m = longMap(); |
774 |
Long r; |
775 |
r = m.reduceKeys(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
776 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
777 |
} |
778 |
|
779 |
/** |
780 |
* reduceValuesInParallel accumulates across all values |
781 |
*/ |
782 |
public void testReduceValuesInParallel() { |
783 |
ConcurrentHashMap<Long, Long> m = longMap(); |
784 |
Long r; |
785 |
r = m.reduceValues(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
786 |
assertEquals((long)r, (long)SIZE * (SIZE - 1)); |
787 |
} |
788 |
|
789 |
/** |
790 |
* reduceEntriesInParallel accumulate across all entries |
791 |
*/ |
792 |
public void testReduceEntriesInParallel() { |
793 |
ConcurrentHashMap<Long, Long> m = longMap(); |
794 |
Map.Entry<Long,Long> r; |
795 |
r = m.reduceEntries(1L, new AddKeys()); |
796 |
assertEquals(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
797 |
} |
798 |
|
799 |
/** |
800 |
* Mapped reduceKeysSequentially accumulates mapped keys |
801 |
*/ |
802 |
public void testMapReduceKeysSequentially() { |
803 |
ConcurrentHashMap<Long, Long> m = longMap(); |
804 |
Long r = m.reduceKeys(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
805 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
806 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
807 |
} |
808 |
|
809 |
/** |
810 |
* Mapped reduceValuesSequentially accumulates mapped values |
811 |
*/ |
812 |
public void testMapReduceValuesSequentially() { |
813 |
ConcurrentHashMap<Long, Long> m = longMap(); |
814 |
Long r = m.reduceValues(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
815 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
816 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1)); |
817 |
} |
818 |
|
819 |
/** |
820 |
* reduceSequentially accumulates across all transformed mappings |
821 |
*/ |
822 |
public void testMappedReduceSequentially() { |
823 |
ConcurrentHashMap<Long, Long> m = longMap(); |
824 |
Long r = m.reduce(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
825 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
826 |
|
827 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
828 |
} |
829 |
|
830 |
/** |
831 |
* Mapped reduceKeysInParallel, accumulates mapped keys |
832 |
*/ |
833 |
public void testMapReduceKeysInParallel() { |
834 |
ConcurrentHashMap<Long, Long> m = longMap(); |
835 |
Long r = m.reduceKeys(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
836 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
837 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
838 |
} |
839 |
|
840 |
/** |
841 |
* Mapped reduceValuesInParallel accumulates mapped values |
842 |
*/ |
843 |
public void testMapReduceValuesInParallel() { |
844 |
ConcurrentHashMap<Long, Long> m = longMap(); |
845 |
Long r = m.reduceValues(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
846 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
847 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1)); |
848 |
} |
849 |
|
850 |
/** |
851 |
* reduceInParallel accumulate across all transformed mappings |
852 |
*/ |
853 |
public void testMappedReduceInParallel() { |
854 |
ConcurrentHashMap<Long, Long> m = longMap(); |
855 |
Long r; |
856 |
r = m.reduce(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
857 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
858 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
859 |
} |
860 |
|
861 |
/** |
862 |
* reduceKeysToLongSequentially accumulates mapped keys |
863 |
*/ |
864 |
public void testReduceKeysToLongSequentially() { |
865 |
ConcurrentHashMap<Long, Long> m = longMap(); |
866 |
long lr = m.reduceKeysToLong(Long.MAX_VALUE, (Long x) -> x.longValue(), 0L, Long::sum); |
867 |
assertEquals(lr, (long)SIZE * (SIZE - 1) / 2); |
868 |
} |
869 |
|
870 |
/** |
871 |
* reduceKeysToIntSequentially accumulates mapped keys |
872 |
*/ |
873 |
public void testReduceKeysToIntSequentially() { |
874 |
ConcurrentHashMap<Long, Long> m = longMap(); |
875 |
int ir = m.reduceKeysToInt(Long.MAX_VALUE, (Long x) -> x.intValue(), 0, Integer::sum); |
876 |
assertEquals(ir, SIZE * (SIZE - 1) / 2); |
877 |
} |
878 |
|
879 |
/** |
880 |
* reduceKeysToDoubleSequentially accumulates mapped keys |
881 |
*/ |
882 |
public void testReduceKeysToDoubleSequentially() { |
883 |
ConcurrentHashMap<Long, Long> m = longMap(); |
884 |
double dr = m.reduceKeysToDouble(Long.MAX_VALUE, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
885 |
assertEquals(dr, (double)SIZE * (SIZE - 1) / 2); |
886 |
} |
887 |
|
888 |
/** |
889 |
* reduceValuesToLongSequentially accumulates mapped values |
890 |
*/ |
891 |
public void testReduceValuesToLongSequentially() { |
892 |
ConcurrentHashMap<Long, Long> m = longMap(); |
893 |
long lr = m.reduceValuesToLong(Long.MAX_VALUE, (Long x) -> x.longValue(), 0L, Long::sum); |
894 |
assertEquals(lr, (long)SIZE * (SIZE - 1)); |
895 |
} |
896 |
|
897 |
/** |
898 |
* reduceValuesToIntSequentially accumulates mapped values |
899 |
*/ |
900 |
public void testReduceValuesToIntSequentially() { |
901 |
ConcurrentHashMap<Long, Long> m = longMap(); |
902 |
int ir = m.reduceValuesToInt(Long.MAX_VALUE, (Long x) -> x.intValue(), 0, Integer::sum); |
903 |
assertEquals(ir, SIZE * (SIZE - 1)); |
904 |
} |
905 |
|
906 |
/** |
907 |
* reduceValuesToDoubleSequentially accumulates mapped values |
908 |
*/ |
909 |
public void testReduceValuesToDoubleSequentially() { |
910 |
ConcurrentHashMap<Long, Long> m = longMap(); |
911 |
double dr = m.reduceValuesToDouble(Long.MAX_VALUE, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
912 |
assertEquals(dr, (double)SIZE * (SIZE - 1)); |
913 |
} |
914 |
|
915 |
/** |
916 |
* reduceKeysToLongInParallel accumulates mapped keys |
917 |
*/ |
918 |
public void testReduceKeysToLongInParallel() { |
919 |
ConcurrentHashMap<Long, Long> m = longMap(); |
920 |
long lr = m.reduceKeysToLong(1L, (Long x) -> x.longValue(), 0L, Long::sum); |
921 |
assertEquals(lr, (long)SIZE * (SIZE - 1) / 2); |
922 |
} |
923 |
|
924 |
/** |
925 |
* reduceKeysToIntInParallel accumulates mapped keys |
926 |
*/ |
927 |
public void testReduceKeysToIntInParallel() { |
928 |
ConcurrentHashMap<Long, Long> m = longMap(); |
929 |
int ir = m.reduceKeysToInt(1L, (Long x) -> x.intValue(), 0, Integer::sum); |
930 |
assertEquals(ir, SIZE * (SIZE - 1) / 2); |
931 |
} |
932 |
|
933 |
/** |
934 |
* reduceKeysToDoubleInParallel accumulates mapped values |
935 |
*/ |
936 |
public void testReduceKeysToDoubleInParallel() { |
937 |
ConcurrentHashMap<Long, Long> m = longMap(); |
938 |
double dr = m.reduceKeysToDouble(1L, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
939 |
assertEquals(dr, (double)SIZE * (SIZE - 1) / 2); |
940 |
} |
941 |
|
942 |
/** |
943 |
* reduceValuesToLongInParallel accumulates mapped values |
944 |
*/ |
945 |
public void testReduceValuesToLongInParallel() { |
946 |
ConcurrentHashMap<Long, Long> m = longMap(); |
947 |
long lr = m.reduceValuesToLong(1L, (Long x) -> x.longValue(), 0L, Long::sum); |
948 |
assertEquals(lr, (long)SIZE * (SIZE - 1)); |
949 |
} |
950 |
|
951 |
/** |
952 |
* reduceValuesToIntInParallel accumulates mapped values |
953 |
*/ |
954 |
public void testReduceValuesToIntInParallel() { |
955 |
ConcurrentHashMap<Long, Long> m = longMap(); |
956 |
int ir = m.reduceValuesToInt(1L, (Long x) -> x.intValue(), 0, Integer::sum); |
957 |
assertEquals(ir, SIZE * (SIZE - 1)); |
958 |
} |
959 |
|
960 |
/** |
961 |
* reduceValuesToDoubleInParallel accumulates mapped values |
962 |
*/ |
963 |
public void testReduceValuesToDoubleInParallel() { |
964 |
ConcurrentHashMap<Long, Long> m = longMap(); |
965 |
double dr = m.reduceValuesToDouble(1L, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
966 |
assertEquals(dr, (double)SIZE * (SIZE - 1)); |
967 |
} |
968 |
|
969 |
/** |
970 |
* searchKeysSequentially returns a non-null result of search |
971 |
* function, or null if none |
972 |
*/ |
973 |
public void testSearchKeysSequentially() { |
974 |
ConcurrentHashMap<Long, Long> m = longMap(); |
975 |
Long r; |
976 |
r = m.searchKeys(Long.MAX_VALUE, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
977 |
assertEquals((long)r, (long)(SIZE/2)); |
978 |
r = m.searchKeys(Long.MAX_VALUE, (Long x) -> x.longValue() < 0L ? x : null); |
979 |
assertNull(r); |
980 |
} |
981 |
|
982 |
/** |
983 |
* searchValuesSequentially returns a non-null result of search |
984 |
* function, or null if none |
985 |
*/ |
986 |
public void testSearchValuesSequentially() { |
987 |
ConcurrentHashMap<Long, Long> m = longMap(); |
988 |
Long r; |
989 |
r = m.searchValues(Long.MAX_VALUE, (Long x) -> x.longValue() == (long)(SIZE/2)? x : null); |
990 |
assertEquals((long)r, (long)(SIZE/2)); |
991 |
r = m.searchValues(Long.MAX_VALUE, (Long x) -> x.longValue() < 0L ? x : null); |
992 |
assertNull(r); |
993 |
} |
994 |
|
995 |
/** |
996 |
* searchSequentially returns a non-null result of search |
997 |
* function, or null if none |
998 |
*/ |
999 |
public void testSearchSequentially() { |
1000 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1001 |
Long r; |
1002 |
r = m.search(Long.MAX_VALUE, (Long x, Long y) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1003 |
assertEquals((long)r, (long)(SIZE/2)); |
1004 |
r = m.search(Long.MAX_VALUE, (Long x, Long y) -> x.longValue() < 0L ? x : null); |
1005 |
assertNull(r); |
1006 |
} |
1007 |
|
1008 |
/** |
1009 |
* searchEntriesSequentially returns a non-null result of search |
1010 |
* function, or null if none |
1011 |
*/ |
1012 |
public void testSearchEntriesSequentially() { |
1013 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1014 |
Long r; |
1015 |
r = m.searchEntries(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2) ? e.getKey() : null); |
1016 |
assertEquals((long)r, (long)(SIZE/2)); |
1017 |
r = m.searchEntries(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L ? e.getKey() : null); |
1018 |
assertNull(r); |
1019 |
} |
1020 |
|
1021 |
/** |
1022 |
* searchKeysInParallel returns a non-null result of search |
1023 |
* function, or null if none |
1024 |
*/ |
1025 |
public void testSearchKeysInParallel() { |
1026 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1027 |
Long r; |
1028 |
r = m.searchKeys(1L, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1029 |
assertEquals((long)r, (long)(SIZE/2)); |
1030 |
r = m.searchKeys(1L, (Long x) -> x.longValue() < 0L ? x : null); |
1031 |
assertNull(r); |
1032 |
} |
1033 |
|
1034 |
/** |
1035 |
* searchValuesInParallel returns a non-null result of search |
1036 |
* function, or null if none |
1037 |
*/ |
1038 |
public void testSearchValuesInParallel() { |
1039 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1040 |
Long r; |
1041 |
r = m.searchValues(1L, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1042 |
assertEquals((long)r, (long)(SIZE/2)); |
1043 |
r = m.searchValues(1L, (Long x) -> x.longValue() < 0L ? x : null); |
1044 |
assertNull(r); |
1045 |
} |
1046 |
|
1047 |
/** |
1048 |
* searchInParallel returns a non-null result of search function, |
1049 |
* or null if none |
1050 |
*/ |
1051 |
public void testSearchInParallel() { |
1052 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1053 |
Long r; |
1054 |
r = m.search(1L, (Long x, Long y) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1055 |
assertEquals((long)r, (long)(SIZE/2)); |
1056 |
r = m.search(1L, (Long x, Long y) -> x.longValue() < 0L ? x : null); |
1057 |
assertNull(r); |
1058 |
} |
1059 |
|
1060 |
/** |
1061 |
* searchEntriesInParallel returns a non-null result of search |
1062 |
* function, or null if none |
1063 |
*/ |
1064 |
public void testSearchEntriesInParallel() { |
1065 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1066 |
Long r; |
1067 |
r = m.searchEntries(1L, (Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2) ? e.getKey() : null); |
1068 |
assertEquals((long)r, (long)(SIZE/2)); |
1069 |
r = m.searchEntries(1L, (Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L ? e.getKey() : null); |
1070 |
assertNull(r); |
1071 |
} |
1072 |
|
1073 |
} |