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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 static java.util.Spliterator.CONCURRENT; |
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import static java.util.Spliterator.DISTINCT; |
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import static java.util.Spliterator.NONNULL; |
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|
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import java.util.AbstractMap; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.NoSuchElementException; |
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import java.util.Set; |
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import java.util.Spliterator; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.atomic.LongAdder; |
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import java.util.function.BiFunction; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class ConcurrentHashMap8Test extends JSR166TestCase { |
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public static void main(String[] args) { |
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main(suite(), args); |
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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". |
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*/ |
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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 |
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*/ |
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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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} |
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|
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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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assertTrue(a.add(i)); |
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assertEquals(n == 0, 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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assertTrue(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(((ConcurrentHashMap.KeySetView)set2).getMap() == map); |
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assertTrue(((ConcurrentHashMap.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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* 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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assertTrue(full.addAll(Arrays.asList(three, four, five))); |
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assertEquals(6, full.size()); |
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assertFalse(full.addAll(Arrays.asList(three, four, five))); |
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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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// "one" is duplicate and will not be added |
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assertTrue(full.addAll(Arrays.asList(three, four, one))); |
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assertEquals(5, full.size()); |
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assertFalse(full.addAll(Arrays.asList(three, four, one))); |
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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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assertFalse(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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assertTrue(full.add(three)); |
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assertTrue(full.contains(three)); |
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assertFalse(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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* 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 success) {} |
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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 success) {} |
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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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*/ |
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public void testGetMappedValue() { |
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ConcurrentHashMap map = map5(); |
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assertNull(map.keySet().getMappedValue()); |
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try { |
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map.keySet(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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ConcurrentHashMap.KeySetView set = map.keySet(one); |
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assertFalse(set.add(one)); |
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assertTrue(set.add(six)); |
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assertTrue(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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void checkSpliteratorCharacteristics(Spliterator<?> sp, |
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int requiredCharacteristics) { |
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assertEquals(requiredCharacteristics, |
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requiredCharacteristics & sp.characteristics()); |
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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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*/ |
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public void testKeySetSpliterator() { |
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LongAdder adder = new LongAdder(); |
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ConcurrentHashMap map = map5(); |
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Set set = map.keySet(); |
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Spliterator<Integer> sp = set.spliterator(); |
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checkSpliteratorCharacteristics(sp, CONCURRENT | DISTINCT | NONNULL); |
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assertEquals(sp.estimateSize(), map.size()); |
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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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* keyset.clear removes all elements from the set |
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*/ |
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public void testClear() { |
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Set full = populatedSet(3); |
341 |
full.clear(); |
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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 |
347 |
*/ |
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public void testContains() { |
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Set full = populatedSet(3); |
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assertTrue(full.contains(one)); |
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assertFalse(full.contains(five)); |
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} |
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|
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/** |
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* KeySets with equal elements are equal |
356 |
*/ |
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public void testEquals() { |
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Set a = populatedSet(3); |
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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); |
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assertFalse(a.equals(b)); |
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assertFalse(b.equals(a)); |
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b.add(m1); |
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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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} |
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|
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/** |
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* KeySet.containsAll returns true for collections with subset of elements |
374 |
*/ |
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public void testContainsAll() { |
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Collection full = populatedSet(3); |
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assertTrue(full.containsAll(Arrays.asList())); |
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assertTrue(full.containsAll(Arrays.asList(one))); |
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assertTrue(full.containsAll(Arrays.asList(one, two))); |
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assertFalse(full.containsAll(Arrays.asList(one, two, six))); |
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assertFalse(full.containsAll(Arrays.asList(six))); |
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} |
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|
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/** |
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* KeySet.isEmpty is true when empty, else false |
386 |
*/ |
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public void testIsEmpty() { |
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assertTrue(populatedSet(0).isEmpty()); |
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assertFalse(populatedSet(3).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 |
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* set |
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*/ |
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public void testIterator() { |
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Collection empty = ConcurrentHashMap.newKeySet(); |
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int size = 20; |
399 |
assertFalse(empty.iterator().hasNext()); |
400 |
try { |
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empty.iterator().next(); |
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shouldThrow(); |
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} catch (NoSuchElementException success) {} |
404 |
|
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Integer[] elements = new Integer[size]; |
406 |
for (int i = 0; i < size; i++) |
407 |
elements[i] = i; |
408 |
shuffle(elements); |
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Collection<Integer> full = populatedSet(elements); |
410 |
|
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Iterator it = full.iterator(); |
412 |
for (int j = 0; j < size; j++) { |
413 |
assertTrue(it.hasNext()); |
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it.next(); |
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} |
416 |
assertIteratorExhausted(it); |
417 |
} |
418 |
|
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/** |
420 |
* iterator of empty collections has no elements |
421 |
*/ |
422 |
public void testEmptyIterator() { |
423 |
assertIteratorExhausted(ConcurrentHashMap.newKeySet().iterator()); |
424 |
assertIteratorExhausted(new ConcurrentHashMap().entrySet().iterator()); |
425 |
assertIteratorExhausted(new ConcurrentHashMap().values().iterator()); |
426 |
assertIteratorExhausted(new ConcurrentHashMap().keySet().iterator()); |
427 |
} |
428 |
|
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/** |
430 |
* KeySet.iterator.remove removes current element |
431 |
*/ |
432 |
public void testIteratorRemove() { |
433 |
Set q = populatedSet(3); |
434 |
Iterator it = q.iterator(); |
435 |
Object removed = it.next(); |
436 |
it.remove(); |
437 |
|
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it = q.iterator(); |
439 |
assertFalse(it.next().equals(removed)); |
440 |
assertFalse(it.next().equals(removed)); |
441 |
assertFalse(it.hasNext()); |
442 |
} |
443 |
|
444 |
/** |
445 |
* KeySet.toString holds toString of elements |
446 |
*/ |
447 |
public void testToString() { |
448 |
assertEquals("[]", ConcurrentHashMap.newKeySet().toString()); |
449 |
Set full = populatedSet(3); |
450 |
String s = full.toString(); |
451 |
for (int i = 0; i < 3; ++i) |
452 |
assertTrue(s.contains(String.valueOf(i))); |
453 |
} |
454 |
|
455 |
/** |
456 |
* KeySet.removeAll removes all elements from the given collection |
457 |
*/ |
458 |
public void testRemoveAll() { |
459 |
Set full = populatedSet(3); |
460 |
assertTrue(full.removeAll(Arrays.asList(one, two))); |
461 |
assertEquals(1, full.size()); |
462 |
assertFalse(full.removeAll(Arrays.asList(one, two))); |
463 |
assertEquals(1, full.size()); |
464 |
} |
465 |
|
466 |
/** |
467 |
* KeySet.remove removes an element |
468 |
*/ |
469 |
public void testRemove() { |
470 |
Set full = populatedSet(3); |
471 |
full.remove(one); |
472 |
assertFalse(full.contains(one)); |
473 |
assertEquals(2, full.size()); |
474 |
} |
475 |
|
476 |
/** |
477 |
* keySet.size returns the number of elements |
478 |
*/ |
479 |
public void testSize() { |
480 |
Set empty = ConcurrentHashMap.newKeySet(); |
481 |
Set full = populatedSet(3); |
482 |
assertEquals(3, full.size()); |
483 |
assertEquals(0, empty.size()); |
484 |
} |
485 |
|
486 |
/** |
487 |
* KeySet.toArray() returns an Object array containing all elements from |
488 |
* the set |
489 |
*/ |
490 |
public void testToArray() { |
491 |
Object[] a = ConcurrentHashMap.newKeySet().toArray(); |
492 |
assertTrue(Arrays.equals(new Object[0], a)); |
493 |
assertSame(Object[].class, a.getClass()); |
494 |
int size = 20; |
495 |
Integer[] elements = new Integer[size]; |
496 |
for (int i = 0; i < size; i++) |
497 |
elements[i] = i; |
498 |
shuffle(elements); |
499 |
Collection<Integer> full = populatedSet(elements); |
500 |
|
501 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray()))); |
502 |
assertTrue(full.containsAll(Arrays.asList(full.toArray()))); |
503 |
assertSame(Object[].class, full.toArray().getClass()); |
504 |
} |
505 |
|
506 |
/** |
507 |
* toArray(Integer array) returns an Integer array containing all |
508 |
* elements from the set |
509 |
*/ |
510 |
public void testToArray2() { |
511 |
Collection empty = ConcurrentHashMap.newKeySet(); |
512 |
Integer[] a; |
513 |
int size = 20; |
514 |
|
515 |
a = new Integer[0]; |
516 |
assertSame(a, empty.toArray(a)); |
517 |
|
518 |
a = new Integer[size / 2]; |
519 |
Arrays.fill(a, 42); |
520 |
assertSame(a, empty.toArray(a)); |
521 |
assertNull(a[0]); |
522 |
for (int i = 1; i < a.length; i++) |
523 |
assertEquals(42, (int) a[i]); |
524 |
|
525 |
Integer[] elements = new Integer[size]; |
526 |
for (int i = 0; i < size; i++) |
527 |
elements[i] = i; |
528 |
shuffle(elements); |
529 |
Collection<Integer> full = populatedSet(elements); |
530 |
|
531 |
Arrays.fill(a, 42); |
532 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
533 |
for (int i = 0; i < a.length; i++) |
534 |
assertEquals(42, (int) a[i]); |
535 |
assertSame(Integer[].class, full.toArray(a).getClass()); |
536 |
|
537 |
a = new Integer[size]; |
538 |
Arrays.fill(a, 42); |
539 |
assertSame(a, full.toArray(a)); |
540 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
541 |
} |
542 |
|
543 |
/** |
544 |
* A deserialized serialized set is equal |
545 |
*/ |
546 |
public void testSerialization() throws Exception { |
547 |
int size = 20; |
548 |
Set x = populatedSet(size); |
549 |
Set y = serialClone(x); |
550 |
|
551 |
assertNotSame(x, y); |
552 |
assertEquals(x.size(), y.size()); |
553 |
assertEquals(x, y); |
554 |
assertEquals(y, x); |
555 |
} |
556 |
|
557 |
static final int SIZE = 10000; |
558 |
static ConcurrentHashMap<Long, Long> longMap; |
559 |
|
560 |
static ConcurrentHashMap<Long, Long> longMap() { |
561 |
if (longMap == null) { |
562 |
longMap = new ConcurrentHashMap<Long, Long>(SIZE); |
563 |
for (int i = 0; i < SIZE; ++i) |
564 |
longMap.put(Long.valueOf(i), Long.valueOf(2 *i)); |
565 |
} |
566 |
return longMap; |
567 |
} |
568 |
|
569 |
// explicit function class to avoid type inference problems |
570 |
static class AddKeys implements BiFunction<Map.Entry<Long,Long>, Map.Entry<Long,Long>, Map.Entry<Long,Long>> { |
571 |
public Map.Entry<Long,Long> apply(Map.Entry<Long,Long> x, Map.Entry<Long,Long> y) { |
572 |
return new AbstractMap.SimpleEntry<Long,Long> |
573 |
(Long.valueOf(x.getKey().longValue() + y.getKey().longValue()), |
574 |
Long.valueOf(1L)); |
575 |
} |
576 |
} |
577 |
|
578 |
/** |
579 |
* forEachKeySequentially traverses all keys |
580 |
*/ |
581 |
public void testForEachKeySequentially() { |
582 |
LongAdder adder = new LongAdder(); |
583 |
ConcurrentHashMap<Long, Long> m = longMap(); |
584 |
m.forEachKey(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue())); |
585 |
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2); |
586 |
} |
587 |
|
588 |
/** |
589 |
* forEachValueSequentially traverses all values |
590 |
*/ |
591 |
public void testForEachValueSequentially() { |
592 |
LongAdder adder = new LongAdder(); |
593 |
ConcurrentHashMap<Long, Long> m = longMap(); |
594 |
m.forEachValue(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue())); |
595 |
assertEquals(adder.sum(), SIZE * (SIZE - 1)); |
596 |
} |
597 |
|
598 |
/** |
599 |
* forEachSequentially traverses all mappings |
600 |
*/ |
601 |
public void testForEachSequentially() { |
602 |
LongAdder adder = new LongAdder(); |
603 |
ConcurrentHashMap<Long, Long> m = longMap(); |
604 |
m.forEach(Long.MAX_VALUE, (Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
605 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
606 |
} |
607 |
|
608 |
/** |
609 |
* forEachEntrySequentially traverses all entries |
610 |
*/ |
611 |
public void testForEachEntrySequentially() { |
612 |
LongAdder adder = new LongAdder(); |
613 |
ConcurrentHashMap<Long, Long> m = longMap(); |
614 |
m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
615 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
616 |
} |
617 |
|
618 |
/** |
619 |
* forEachKeyInParallel traverses all keys |
620 |
*/ |
621 |
public void testForEachKeyInParallel() { |
622 |
LongAdder adder = new LongAdder(); |
623 |
ConcurrentHashMap<Long, Long> m = longMap(); |
624 |
m.forEachKey(1L, (Long x) -> adder.add(x.longValue())); |
625 |
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2); |
626 |
} |
627 |
|
628 |
/** |
629 |
* forEachValueInParallel traverses all values |
630 |
*/ |
631 |
public void testForEachValueInParallel() { |
632 |
LongAdder adder = new LongAdder(); |
633 |
ConcurrentHashMap<Long, Long> m = longMap(); |
634 |
m.forEachValue(1L, (Long x) -> adder.add(x.longValue())); |
635 |
assertEquals(adder.sum(), SIZE * (SIZE - 1)); |
636 |
} |
637 |
|
638 |
/** |
639 |
* forEachInParallel traverses all mappings |
640 |
*/ |
641 |
public void testForEachInParallel() { |
642 |
LongAdder adder = new LongAdder(); |
643 |
ConcurrentHashMap<Long, Long> m = longMap(); |
644 |
m.forEach(1L, (Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
645 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
646 |
} |
647 |
|
648 |
/** |
649 |
* forEachEntryInParallel traverses all entries |
650 |
*/ |
651 |
public void testForEachEntryInParallel() { |
652 |
LongAdder adder = new LongAdder(); |
653 |
ConcurrentHashMap<Long, Long> m = longMap(); |
654 |
m.forEachEntry(1L, (Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
655 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
656 |
} |
657 |
|
658 |
/** |
659 |
* Mapped forEachKeySequentially traverses the given |
660 |
* transformations of all keys |
661 |
*/ |
662 |
public void testMappedForEachKeySequentially() { |
663 |
LongAdder adder = new LongAdder(); |
664 |
ConcurrentHashMap<Long, Long> m = longMap(); |
665 |
m.forEachKey(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
666 |
(Long x) -> adder.add(x.longValue())); |
667 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
668 |
} |
669 |
|
670 |
/** |
671 |
* Mapped forEachValueSequentially traverses the given |
672 |
* transformations of all values |
673 |
*/ |
674 |
public void testMappedForEachValueSequentially() { |
675 |
LongAdder adder = new LongAdder(); |
676 |
ConcurrentHashMap<Long, Long> m = longMap(); |
677 |
m.forEachValue(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
678 |
(Long x) -> adder.add(x.longValue())); |
679 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1)); |
680 |
} |
681 |
|
682 |
/** |
683 |
* Mapped forEachSequentially traverses the given |
684 |
* transformations of all mappings |
685 |
*/ |
686 |
public void testMappedForEachSequentially() { |
687 |
LongAdder adder = new LongAdder(); |
688 |
ConcurrentHashMap<Long, Long> m = longMap(); |
689 |
m.forEach(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
690 |
(Long x) -> adder.add(x.longValue())); |
691 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
692 |
} |
693 |
|
694 |
/** |
695 |
* Mapped forEachEntrySequentially traverses the given |
696 |
* transformations of all entries |
697 |
*/ |
698 |
public void testMappedForEachEntrySequentially() { |
699 |
LongAdder adder = new LongAdder(); |
700 |
ConcurrentHashMap<Long, Long> m = longMap(); |
701 |
m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
702 |
(Long x) -> adder.add(x.longValue())); |
703 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
704 |
} |
705 |
|
706 |
/** |
707 |
* Mapped forEachKeyInParallel traverses the given |
708 |
* transformations of all keys |
709 |
*/ |
710 |
public void testMappedForEachKeyInParallel() { |
711 |
LongAdder adder = new LongAdder(); |
712 |
ConcurrentHashMap<Long, Long> m = longMap(); |
713 |
m.forEachKey(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
714 |
(Long x) -> adder.add(x.longValue())); |
715 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
716 |
} |
717 |
|
718 |
/** |
719 |
* Mapped forEachValueInParallel traverses the given |
720 |
* transformations of all values |
721 |
*/ |
722 |
public void testMappedForEachValueInParallel() { |
723 |
LongAdder adder = new LongAdder(); |
724 |
ConcurrentHashMap<Long, Long> m = longMap(); |
725 |
m.forEachValue(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
726 |
(Long x) -> adder.add(x.longValue())); |
727 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1)); |
728 |
} |
729 |
|
730 |
/** |
731 |
* Mapped forEachInParallel traverses the given |
732 |
* transformations of all mappings |
733 |
*/ |
734 |
public void testMappedForEachInParallel() { |
735 |
LongAdder adder = new LongAdder(); |
736 |
ConcurrentHashMap<Long, Long> m = longMap(); |
737 |
m.forEach(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
738 |
(Long x) -> adder.add(x.longValue())); |
739 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
740 |
} |
741 |
|
742 |
/** |
743 |
* Mapped forEachEntryInParallel traverses the given |
744 |
* transformations of all entries |
745 |
*/ |
746 |
public void testMappedForEachEntryInParallel() { |
747 |
LongAdder adder = new LongAdder(); |
748 |
ConcurrentHashMap<Long, Long> m = longMap(); |
749 |
m.forEachEntry(1L, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
750 |
(Long x) -> adder.add(x.longValue())); |
751 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
752 |
} |
753 |
|
754 |
/** |
755 |
* reduceKeysSequentially accumulates across all keys, |
756 |
*/ |
757 |
public void testReduceKeysSequentially() { |
758 |
ConcurrentHashMap<Long, Long> m = longMap(); |
759 |
Long r; |
760 |
r = m.reduceKeys(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
761 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
762 |
} |
763 |
|
764 |
/** |
765 |
* reduceValuesSequentially accumulates across all values |
766 |
*/ |
767 |
public void testReduceValuesSequentially() { |
768 |
ConcurrentHashMap<Long, Long> m = longMap(); |
769 |
Long r; |
770 |
r = m.reduceKeys(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
771 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
772 |
} |
773 |
|
774 |
/** |
775 |
* reduceEntriesSequentially accumulates across all entries |
776 |
*/ |
777 |
public void testReduceEntriesSequentially() { |
778 |
ConcurrentHashMap<Long, Long> m = longMap(); |
779 |
Map.Entry<Long,Long> r; |
780 |
r = m.reduceEntries(Long.MAX_VALUE, new AddKeys()); |
781 |
assertEquals(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
782 |
} |
783 |
|
784 |
/** |
785 |
* reduceKeysInParallel accumulates across all keys |
786 |
*/ |
787 |
public void testReduceKeysInParallel() { |
788 |
ConcurrentHashMap<Long, Long> m = longMap(); |
789 |
Long r; |
790 |
r = m.reduceKeys(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
791 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
792 |
} |
793 |
|
794 |
/** |
795 |
* reduceValuesInParallel accumulates across all values |
796 |
*/ |
797 |
public void testReduceValuesInParallel() { |
798 |
ConcurrentHashMap<Long, Long> m = longMap(); |
799 |
Long r; |
800 |
r = m.reduceValues(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
801 |
assertEquals((long)r, (long)SIZE * (SIZE - 1)); |
802 |
} |
803 |
|
804 |
/** |
805 |
* reduceEntriesInParallel accumulate across all entries |
806 |
*/ |
807 |
public void testReduceEntriesInParallel() { |
808 |
ConcurrentHashMap<Long, Long> m = longMap(); |
809 |
Map.Entry<Long,Long> r; |
810 |
r = m.reduceEntries(1L, new AddKeys()); |
811 |
assertEquals(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
812 |
} |
813 |
|
814 |
/** |
815 |
* Mapped reduceKeysSequentially accumulates mapped keys |
816 |
*/ |
817 |
public void testMapReduceKeysSequentially() { |
818 |
ConcurrentHashMap<Long, Long> m = longMap(); |
819 |
Long r = m.reduceKeys(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
820 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
821 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
822 |
} |
823 |
|
824 |
/** |
825 |
* Mapped reduceValuesSequentially accumulates mapped values |
826 |
*/ |
827 |
public void testMapReduceValuesSequentially() { |
828 |
ConcurrentHashMap<Long, Long> m = longMap(); |
829 |
Long r = m.reduceValues(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
830 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
831 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1)); |
832 |
} |
833 |
|
834 |
/** |
835 |
* reduceSequentially accumulates across all transformed mappings |
836 |
*/ |
837 |
public void testMappedReduceSequentially() { |
838 |
ConcurrentHashMap<Long, Long> m = longMap(); |
839 |
Long r = m.reduce(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
840 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
841 |
|
842 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
843 |
} |
844 |
|
845 |
/** |
846 |
* Mapped reduceKeysInParallel, accumulates mapped keys |
847 |
*/ |
848 |
public void testMapReduceKeysInParallel() { |
849 |
ConcurrentHashMap<Long, Long> m = longMap(); |
850 |
Long r = m.reduceKeys(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
851 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
852 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
853 |
} |
854 |
|
855 |
/** |
856 |
* Mapped reduceValuesInParallel accumulates mapped values |
857 |
*/ |
858 |
public void testMapReduceValuesInParallel() { |
859 |
ConcurrentHashMap<Long, Long> m = longMap(); |
860 |
Long r = m.reduceValues(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
861 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
862 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1)); |
863 |
} |
864 |
|
865 |
/** |
866 |
* reduceInParallel accumulate across all transformed mappings |
867 |
*/ |
868 |
public void testMappedReduceInParallel() { |
869 |
ConcurrentHashMap<Long, Long> m = longMap(); |
870 |
Long r; |
871 |
r = m.reduce(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
872 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
873 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
874 |
} |
875 |
|
876 |
/** |
877 |
* reduceKeysToLongSequentially accumulates mapped keys |
878 |
*/ |
879 |
public void testReduceKeysToLongSequentially() { |
880 |
ConcurrentHashMap<Long, Long> m = longMap(); |
881 |
long lr = m.reduceKeysToLong(Long.MAX_VALUE, (Long x) -> x.longValue(), 0L, Long::sum); |
882 |
assertEquals(lr, (long)SIZE * (SIZE - 1) / 2); |
883 |
} |
884 |
|
885 |
/** |
886 |
* reduceKeysToIntSequentially accumulates mapped keys |
887 |
*/ |
888 |
public void testReduceKeysToIntSequentially() { |
889 |
ConcurrentHashMap<Long, Long> m = longMap(); |
890 |
int ir = m.reduceKeysToInt(Long.MAX_VALUE, (Long x) -> x.intValue(), 0, Integer::sum); |
891 |
assertEquals(ir, SIZE * (SIZE - 1) / 2); |
892 |
} |
893 |
|
894 |
/** |
895 |
* reduceKeysToDoubleSequentially accumulates mapped keys |
896 |
*/ |
897 |
public void testReduceKeysToDoubleSequentially() { |
898 |
ConcurrentHashMap<Long, Long> m = longMap(); |
899 |
double dr = m.reduceKeysToDouble(Long.MAX_VALUE, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
900 |
assertEquals(dr, (double)SIZE * (SIZE - 1) / 2); |
901 |
} |
902 |
|
903 |
/** |
904 |
* reduceValuesToLongSequentially accumulates mapped values |
905 |
*/ |
906 |
public void testReduceValuesToLongSequentially() { |
907 |
ConcurrentHashMap<Long, Long> m = longMap(); |
908 |
long lr = m.reduceValuesToLong(Long.MAX_VALUE, (Long x) -> x.longValue(), 0L, Long::sum); |
909 |
assertEquals(lr, (long)SIZE * (SIZE - 1)); |
910 |
} |
911 |
|
912 |
/** |
913 |
* reduceValuesToIntSequentially accumulates mapped values |
914 |
*/ |
915 |
public void testReduceValuesToIntSequentially() { |
916 |
ConcurrentHashMap<Long, Long> m = longMap(); |
917 |
int ir = m.reduceValuesToInt(Long.MAX_VALUE, (Long x) -> x.intValue(), 0, Integer::sum); |
918 |
assertEquals(ir, SIZE * (SIZE - 1)); |
919 |
} |
920 |
|
921 |
/** |
922 |
* reduceValuesToDoubleSequentially accumulates mapped values |
923 |
*/ |
924 |
public void testReduceValuesToDoubleSequentially() { |
925 |
ConcurrentHashMap<Long, Long> m = longMap(); |
926 |
double dr = m.reduceValuesToDouble(Long.MAX_VALUE, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
927 |
assertEquals(dr, (double)SIZE * (SIZE - 1)); |
928 |
} |
929 |
|
930 |
/** |
931 |
* reduceKeysToLongInParallel accumulates mapped keys |
932 |
*/ |
933 |
public void testReduceKeysToLongInParallel() { |
934 |
ConcurrentHashMap<Long, Long> m = longMap(); |
935 |
long lr = m.reduceKeysToLong(1L, (Long x) -> x.longValue(), 0L, Long::sum); |
936 |
assertEquals(lr, (long)SIZE * (SIZE - 1) / 2); |
937 |
} |
938 |
|
939 |
/** |
940 |
* reduceKeysToIntInParallel accumulates mapped keys |
941 |
*/ |
942 |
public void testReduceKeysToIntInParallel() { |
943 |
ConcurrentHashMap<Long, Long> m = longMap(); |
944 |
int ir = m.reduceKeysToInt(1L, (Long x) -> x.intValue(), 0, Integer::sum); |
945 |
assertEquals(ir, SIZE * (SIZE - 1) / 2); |
946 |
} |
947 |
|
948 |
/** |
949 |
* reduceKeysToDoubleInParallel accumulates mapped values |
950 |
*/ |
951 |
public void testReduceKeysToDoubleInParallel() { |
952 |
ConcurrentHashMap<Long, Long> m = longMap(); |
953 |
double dr = m.reduceKeysToDouble(1L, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
954 |
assertEquals(dr, (double)SIZE * (SIZE - 1) / 2); |
955 |
} |
956 |
|
957 |
/** |
958 |
* reduceValuesToLongInParallel accumulates mapped values |
959 |
*/ |
960 |
public void testReduceValuesToLongInParallel() { |
961 |
ConcurrentHashMap<Long, Long> m = longMap(); |
962 |
long lr = m.reduceValuesToLong(1L, (Long x) -> x.longValue(), 0L, Long::sum); |
963 |
assertEquals(lr, (long)SIZE * (SIZE - 1)); |
964 |
} |
965 |
|
966 |
/** |
967 |
* reduceValuesToIntInParallel accumulates mapped values |
968 |
*/ |
969 |
public void testReduceValuesToIntInParallel() { |
970 |
ConcurrentHashMap<Long, Long> m = longMap(); |
971 |
int ir = m.reduceValuesToInt(1L, (Long x) -> x.intValue(), 0, Integer::sum); |
972 |
assertEquals(ir, SIZE * (SIZE - 1)); |
973 |
} |
974 |
|
975 |
/** |
976 |
* reduceValuesToDoubleInParallel accumulates mapped values |
977 |
*/ |
978 |
public void testReduceValuesToDoubleInParallel() { |
979 |
ConcurrentHashMap<Long, Long> m = longMap(); |
980 |
double dr = m.reduceValuesToDouble(1L, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
981 |
assertEquals(dr, (double)SIZE * (SIZE - 1)); |
982 |
} |
983 |
|
984 |
/** |
985 |
* searchKeysSequentially returns a non-null result of search |
986 |
* function, or null if none |
987 |
*/ |
988 |
public void testSearchKeysSequentially() { |
989 |
ConcurrentHashMap<Long, Long> m = longMap(); |
990 |
Long r; |
991 |
r = m.searchKeys(Long.MAX_VALUE, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
992 |
assertEquals((long)r, (long)(SIZE/2)); |
993 |
r = m.searchKeys(Long.MAX_VALUE, (Long x) -> x.longValue() < 0L ? x : null); |
994 |
assertNull(r); |
995 |
} |
996 |
|
997 |
/** |
998 |
* searchValuesSequentially returns a non-null result of search |
999 |
* function, or null if none |
1000 |
*/ |
1001 |
public void testSearchValuesSequentially() { |
1002 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1003 |
Long r; |
1004 |
r = m.searchValues(Long.MAX_VALUE, |
1005 |
(Long x) -> (x.longValue() == (long)(SIZE/2)) ? x : null); |
1006 |
assertEquals((long)r, (long)(SIZE/2)); |
1007 |
r = m.searchValues(Long.MAX_VALUE, |
1008 |
(Long x) -> (x.longValue() < 0L) ? x : null); |
1009 |
assertNull(r); |
1010 |
} |
1011 |
|
1012 |
/** |
1013 |
* searchSequentially returns a non-null result of search |
1014 |
* function, or null if none |
1015 |
*/ |
1016 |
public void testSearchSequentially() { |
1017 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1018 |
Long r; |
1019 |
r = m.search(Long.MAX_VALUE, (Long x, Long y) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1020 |
assertEquals((long)r, (long)(SIZE/2)); |
1021 |
r = m.search(Long.MAX_VALUE, (Long x, Long y) -> x.longValue() < 0L ? x : null); |
1022 |
assertNull(r); |
1023 |
} |
1024 |
|
1025 |
/** |
1026 |
* searchEntriesSequentially returns a non-null result of search |
1027 |
* function, or null if none |
1028 |
*/ |
1029 |
public void testSearchEntriesSequentially() { |
1030 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1031 |
Long r; |
1032 |
r = m.searchEntries(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2) ? e.getKey() : null); |
1033 |
assertEquals((long)r, (long)(SIZE/2)); |
1034 |
r = m.searchEntries(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L ? e.getKey() : null); |
1035 |
assertNull(r); |
1036 |
} |
1037 |
|
1038 |
/** |
1039 |
* searchKeysInParallel returns a non-null result of search |
1040 |
* function, or null if none |
1041 |
*/ |
1042 |
public void testSearchKeysInParallel() { |
1043 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1044 |
Long r; |
1045 |
r = m.searchKeys(1L, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1046 |
assertEquals((long)r, (long)(SIZE/2)); |
1047 |
r = m.searchKeys(1L, (Long x) -> x.longValue() < 0L ? x : null); |
1048 |
assertNull(r); |
1049 |
} |
1050 |
|
1051 |
/** |
1052 |
* searchValuesInParallel returns a non-null result of search |
1053 |
* function, or null if none |
1054 |
*/ |
1055 |
public void testSearchValuesInParallel() { |
1056 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1057 |
Long r; |
1058 |
r = m.searchValues(1L, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1059 |
assertEquals((long)r, (long)(SIZE/2)); |
1060 |
r = m.searchValues(1L, (Long x) -> x.longValue() < 0L ? x : null); |
1061 |
assertNull(r); |
1062 |
} |
1063 |
|
1064 |
/** |
1065 |
* searchInParallel returns a non-null result of search function, |
1066 |
* or null if none |
1067 |
*/ |
1068 |
public void testSearchInParallel() { |
1069 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1070 |
Long r; |
1071 |
r = m.search(1L, (Long x, Long y) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1072 |
assertEquals((long)r, (long)(SIZE/2)); |
1073 |
r = m.search(1L, (Long x, Long y) -> x.longValue() < 0L ? x : null); |
1074 |
assertNull(r); |
1075 |
} |
1076 |
|
1077 |
/** |
1078 |
* searchEntriesInParallel returns a non-null result of search |
1079 |
* function, or null if none |
1080 |
*/ |
1081 |
public void testSearchEntriesInParallel() { |
1082 |
ConcurrentHashMap<Long, Long> m = longMap(); |
1083 |
Long r; |
1084 |
r = m.searchEntries(1L, (Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2) ? e.getKey() : null); |
1085 |
assertEquals((long)r, (long)(SIZE/2)); |
1086 |
r = m.searchEntries(1L, (Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L ? e.getKey() : null); |
1087 |
assertNull(r); |
1088 |
} |
1089 |
|
1090 |
} |