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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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|
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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". |
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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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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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* 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.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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* 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); |
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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 |
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*/ |
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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 |
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*/ |
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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 |
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*/ |
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public void testContainsAll() { |
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Set full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(one); |
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v.add(two); |
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assertTrue(full.containsAll(v)); |
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v.add(six); |
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assertFalse(full.containsAll(v)); |
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} |
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|
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/** |
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* KeySet.isEmpty is true when empty, else false |
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*/ |
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public void testIsEmpty() { |
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Set empty = ConcurrentHashMap.newKeySet(); |
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Set full = populatedSet(3); |
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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 |
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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; |
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assertFalse(empty.iterator().hasNext()); |
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try { |
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empty.iterator().next(); |
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shouldThrow(); |
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} catch (NoSuchElementException success) {} |
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|
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Integer[] elements = new Integer[size]; |
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for (int i = 0; i < size; i++) |
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elements[i] = i; |
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Collections.shuffle(Arrays.asList(elements)); |
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Collection<Integer> full = populatedSet(elements); |
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|
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Iterator it = full.iterator(); |
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for (int j = 0; j < size; j++) { |
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assertTrue(it.hasNext()); |
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it.next(); |
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} |
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assertFalse(it.hasNext()); |
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try { |
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it.next(); |
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shouldThrow(); |
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} catch (NoSuchElementException success) {} |
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} |
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|
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/** |
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* KeySet.iterator.remove removes current element |
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*/ |
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public void testIteratorRemove() { |
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Set q = populatedSet(3); |
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Iterator it = q.iterator(); |
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Object removed = it.next(); |
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it.remove(); |
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|
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it = q.iterator(); |
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assertFalse(it.next().equals(removed)); |
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assertFalse(it.next().equals(removed)); |
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assertFalse(it.hasNext()); |
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} |
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|
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/** |
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* KeySet.toString holds toString of elements |
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*/ |
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public void testToString() { |
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assertEquals("[]", ConcurrentHashMap.newKeySet().toString()); |
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Set full = populatedSet(3); |
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String s = full.toString(); |
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for (int i = 0; i < 3; ++i) |
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assertTrue(s.contains(String.valueOf(i))); |
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} |
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|
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/** |
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* KeySet.removeAll removes all elements from the given collection |
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*/ |
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public void testRemoveAll() { |
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Set full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(one); |
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v.add(two); |
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full.removeAll(v); |
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assertEquals(1, full.size()); |
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} |
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|
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/** |
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* KeySet.remove removes an element |
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*/ |
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public void testRemove() { |
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Set full = populatedSet(3); |
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full.remove(one); |
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assertFalse(full.contains(one)); |
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assertEquals(2, full.size()); |
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} |
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|
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/** |
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* keySet.size returns the number of elements |
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*/ |
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public void testSize() { |
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Set empty = ConcurrentHashMap.newKeySet(); |
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Set full = populatedSet(3); |
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assertEquals(3, full.size()); |
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assertEquals(0, empty.size()); |
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} |
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|
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/** |
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* KeySet.toArray() returns an Object array containing all elements from |
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* the set |
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*/ |
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public void testToArray() { |
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Object[] a = ConcurrentHashMap.newKeySet().toArray(); |
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assertTrue(Arrays.equals(new Object[0], a)); |
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assertSame(Object[].class, a.getClass()); |
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int size = 20; |
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Integer[] elements = new Integer[size]; |
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for (int i = 0; i < size; i++) |
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elements[i] = i; |
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Collections.shuffle(Arrays.asList(elements)); |
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Collection<Integer> full = populatedSet(elements); |
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|
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assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray()))); |
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assertTrue(full.containsAll(Arrays.asList(full.toArray()))); |
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assertSame(Object[].class, full.toArray().getClass()); |
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} |
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|
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/** |
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* toArray(Integer array) returns an Integer array containing all |
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* elements from the set |
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*/ |
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public void testToArray2() { |
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Collection empty = ConcurrentHashMap.newKeySet(); |
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Integer[] a; |
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int size = 20; |
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|
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a = new Integer[0]; |
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assertSame(a, empty.toArray(a)); |
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|
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a = new Integer[size/2]; |
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Arrays.fill(a, 42); |
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assertSame(a, empty.toArray(a)); |
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assertNull(a[0]); |
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for (int i = 1; i < a.length; i++) |
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assertEquals(42, (int) a[i]); |
407 |
|
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Integer[] elements = new Integer[size]; |
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for (int i = 0; i < size; i++) |
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elements[i] = i; |
411 |
Collections.shuffle(Arrays.asList(elements)); |
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Collection<Integer> full = populatedSet(elements); |
413 |
|
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Arrays.fill(a, 42); |
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assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
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for (int i = 0; i < a.length; i++) |
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assertEquals(42, (int) a[i]); |
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assertSame(Integer[].class, full.toArray(a).getClass()); |
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|
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a = new Integer[size]; |
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Arrays.fill(a, 42); |
422 |
assertSame(a, full.toArray(a)); |
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assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
424 |
} |
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|
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/** |
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* A deserialized serialized set is equal |
428 |
*/ |
429 |
public void testSerialization() throws Exception { |
430 |
int size = 20; |
431 |
Set x = populatedSet(size); |
432 |
Set y = serialClone(x); |
433 |
|
434 |
assertTrue(x != y); |
435 |
assertEquals(x.size(), y.size()); |
436 |
assertEquals(x.toString(), y.toString()); |
437 |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
438 |
assertEquals(x, y); |
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assertEquals(y, x); |
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} |
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|
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|
443 |
static final int SIZE = 10000; |
444 |
static ConcurrentHashMap<Long, Long> longMap; |
445 |
|
446 |
static ConcurrentHashMap<Long, Long> longMap() { |
447 |
if (longMap == null) { |
448 |
longMap = new ConcurrentHashMap<Long, Long>(SIZE); |
449 |
for (int i = 0; i < SIZE; ++i) |
450 |
longMap.put(Long.valueOf(i), Long.valueOf(2 *i)); |
451 |
} |
452 |
return longMap; |
453 |
} |
454 |
|
455 |
// explicit function class to avoid type inference problems |
456 |
static class AddKeys implements BiFunction<Map.Entry<Long,Long>, Map.Entry<Long,Long>, Map.Entry<Long,Long>> { |
457 |
public Map.Entry<Long,Long> apply(Map.Entry<Long,Long> x, Map.Entry<Long,Long> y) { |
458 |
return new AbstractMap.SimpleEntry<Long,Long> |
459 |
(Long.valueOf(x.getKey().longValue() + y.getKey().longValue()), |
460 |
Long.valueOf(1L)); |
461 |
} |
462 |
} |
463 |
|
464 |
/** |
465 |
* forEachKeySequentially traverses all keys |
466 |
*/ |
467 |
public void testForEachKeySequentially() { |
468 |
LongAdder adder = new LongAdder(); |
469 |
ConcurrentHashMap<Long, Long> m = longMap(); |
470 |
m.forEachKeySequentially((Long x) -> adder.add(x.longValue())); |
471 |
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2); |
472 |
} |
473 |
|
474 |
/** |
475 |
* forEachValueSequentially traverses all values |
476 |
*/ |
477 |
public void testForEachValueSequentially() { |
478 |
LongAdder adder = new LongAdder(); |
479 |
ConcurrentHashMap<Long, Long> m = longMap(); |
480 |
m.forEachValueSequentially((Long x) -> adder.add(x.longValue())); |
481 |
assertEquals(adder.sum(), SIZE * (SIZE - 1)); |
482 |
} |
483 |
|
484 |
/** |
485 |
* forEachSequentially traverses all mappings |
486 |
*/ |
487 |
public void testForEachSequentially() { |
488 |
LongAdder adder = new LongAdder(); |
489 |
ConcurrentHashMap<Long, Long> m = longMap(); |
490 |
m.forEachSequentially((Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
491 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
492 |
} |
493 |
|
494 |
/** |
495 |
* forEachEntrySequentially traverses all entries |
496 |
*/ |
497 |
public void testForEachEntrySequentially() { |
498 |
LongAdder adder = new LongAdder(); |
499 |
ConcurrentHashMap<Long, Long> m = longMap(); |
500 |
m.forEachEntrySequentially((Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
501 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
502 |
} |
503 |
|
504 |
/** |
505 |
* forEachKeyInParallel traverses all keys |
506 |
*/ |
507 |
public void testForEachKeyInParallel() { |
508 |
LongAdder adder = new LongAdder(); |
509 |
ConcurrentHashMap<Long, Long> m = longMap(); |
510 |
m.forEachKeyInParallel((Long x) -> adder.add(x.longValue())); |
511 |
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2); |
512 |
} |
513 |
|
514 |
/** |
515 |
* forEachValueInParallel traverses all values |
516 |
*/ |
517 |
public void testForEachValueInParallel() { |
518 |
LongAdder adder = new LongAdder(); |
519 |
ConcurrentHashMap<Long, Long> m = longMap(); |
520 |
m.forEachValueInParallel((Long x) -> adder.add(x.longValue())); |
521 |
assertEquals(adder.sum(), SIZE * (SIZE - 1)); |
522 |
} |
523 |
|
524 |
/** |
525 |
* forEachInParallel traverses all mappings |
526 |
*/ |
527 |
public void testForEachInParallel() { |
528 |
LongAdder adder = new LongAdder(); |
529 |
ConcurrentHashMap<Long, Long> m = longMap(); |
530 |
m.forEachInParallel((Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
531 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
532 |
} |
533 |
|
534 |
/** |
535 |
* forEachEntryInParallel traverses all entries |
536 |
*/ |
537 |
public void testForEachEntryInParallel() { |
538 |
LongAdder adder = new LongAdder(); |
539 |
ConcurrentHashMap<Long, Long> m = longMap(); |
540 |
m.forEachEntryInParallel((Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
541 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
542 |
} |
543 |
|
544 |
/** |
545 |
* Mapped forEachKeySequentially traverses the given |
546 |
* transformations of all keys |
547 |
*/ |
548 |
public void testMappedForEachKeySequentially() { |
549 |
LongAdder adder = new LongAdder(); |
550 |
ConcurrentHashMap<Long, Long> m = longMap(); |
551 |
m.forEachKeySequentially((Long x) -> Long.valueOf(4 * x.longValue()), |
552 |
(Long x) -> adder.add(x.longValue())); |
553 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
554 |
} |
555 |
|
556 |
/** |
557 |
* Mapped forEachValueSequentially traverses the given |
558 |
* transformations of all values |
559 |
*/ |
560 |
public void testMappedForEachValueSequentially() { |
561 |
LongAdder adder = new LongAdder(); |
562 |
ConcurrentHashMap<Long, Long> m = longMap(); |
563 |
m.forEachValueSequentially((Long x) -> Long.valueOf(4 * x.longValue()), |
564 |
(Long x) -> adder.add(x.longValue())); |
565 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1)); |
566 |
} |
567 |
|
568 |
/** |
569 |
* Mapped forEachSequentially traverses the given |
570 |
* transformations of all mappings |
571 |
*/ |
572 |
public void testMappedForEachSequentially() { |
573 |
LongAdder adder = new LongAdder(); |
574 |
ConcurrentHashMap<Long, Long> m = longMap(); |
575 |
m.forEachSequentially((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
576 |
(Long x) -> adder.add(x.longValue())); |
577 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
578 |
} |
579 |
|
580 |
/** |
581 |
* Mapped forEachEntrySequentially traverses the given |
582 |
* transformations of all entries |
583 |
*/ |
584 |
public void testMappedForEachEntrySequentially() { |
585 |
LongAdder adder = new LongAdder(); |
586 |
ConcurrentHashMap<Long, Long> m = longMap(); |
587 |
m.forEachEntrySequentially((Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
588 |
(Long x) -> adder.add(x.longValue())); |
589 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
590 |
} |
591 |
|
592 |
/** |
593 |
* Mapped forEachKeyInParallel traverses the given |
594 |
* transformations of all keys |
595 |
*/ |
596 |
public void testMappedForEachKeyInParallel() { |
597 |
LongAdder adder = new LongAdder(); |
598 |
ConcurrentHashMap<Long, Long> m = longMap(); |
599 |
m.forEachKeyInParallel((Long x) -> Long.valueOf(4 * x.longValue()), |
600 |
(Long x) -> adder.add(x.longValue())); |
601 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
602 |
} |
603 |
|
604 |
/** |
605 |
* Mapped forEachValueInParallel traverses the given |
606 |
* transformations of all values |
607 |
*/ |
608 |
public void testMappedForEachValueInParallel() { |
609 |
LongAdder adder = new LongAdder(); |
610 |
ConcurrentHashMap<Long, Long> m = longMap(); |
611 |
m.forEachValueInParallel((Long x) -> Long.valueOf(4 * x.longValue()), |
612 |
(Long x) -> adder.add(x.longValue())); |
613 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1)); |
614 |
} |
615 |
|
616 |
/** |
617 |
* Mapped forEachInParallel traverses the given |
618 |
* transformations of all mappings |
619 |
*/ |
620 |
public void testMappedForEachInParallel() { |
621 |
LongAdder adder = new LongAdder(); |
622 |
ConcurrentHashMap<Long, Long> m = longMap(); |
623 |
m.forEachInParallel((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
624 |
(Long x) -> adder.add(x.longValue())); |
625 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
626 |
} |
627 |
|
628 |
/** |
629 |
* Mapped forEachEntryInParallel traverses the given |
630 |
* transformations of all entries |
631 |
*/ |
632 |
public void testMappedForEachEntryInParallel() { |
633 |
LongAdder adder = new LongAdder(); |
634 |
ConcurrentHashMap<Long, Long> m = longMap(); |
635 |
m.forEachEntryInParallel((Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
636 |
(Long x) -> adder.add(x.longValue())); |
637 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
638 |
} |
639 |
|
640 |
|
641 |
/** |
642 |
* reduceKeysSequentially accumulates across all keys, |
643 |
*/ |
644 |
public void testReduceKeysSequentially() { |
645 |
ConcurrentHashMap<Long, Long> m = longMap(); |
646 |
Long r; |
647 |
r = m.reduceKeysSequentially((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
648 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
649 |
} |
650 |
|
651 |
/** |
652 |
* reduceValuesSequentially accumulates across all values |
653 |
*/ |
654 |
public void testReduceValuesSequentially() { |
655 |
ConcurrentHashMap<Long, Long> m = longMap(); |
656 |
Long r; |
657 |
r = m.reduceKeysSequentially((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
658 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
659 |
} |
660 |
|
661 |
|
662 |
/** |
663 |
* reduceEntriesSequentially accumulates across all entries |
664 |
*/ |
665 |
public void testReduceEntriesSequentially() { |
666 |
ConcurrentHashMap<Long, Long> m = longMap(); |
667 |
Map.Entry<Long,Long> r; |
668 |
r = m.reduceEntriesSequentially(new AddKeys()); |
669 |
assertEquals(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
670 |
} |
671 |
|
672 |
/** |
673 |
* reduceKeysInParallel accumulates across all keys |
674 |
*/ |
675 |
public void testReduceKeysInParallel() { |
676 |
ConcurrentHashMap<Long, Long> m = longMap(); |
677 |
Long r; |
678 |
r = m.reduceKeysInParallel((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
679 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
680 |
} |
681 |
|
682 |
/** |
683 |
* reduceValuesInParallel accumulates across all values |
684 |
*/ |
685 |
public void testReduceValuesInParallel() { |
686 |
ConcurrentHashMap<Long, Long> m = longMap(); |
687 |
Long r; |
688 |
r = m.reduceValuesInParallel((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
689 |
assertEquals((long)r, (long)SIZE * (SIZE - 1)); |
690 |
} |
691 |
|
692 |
/** |
693 |
* reduceEntriesInParallel accumulate across all entries |
694 |
*/ |
695 |
public void testReduceEntriesInParallel() { |
696 |
ConcurrentHashMap<Long, Long> m = longMap(); |
697 |
Map.Entry<Long,Long> r; |
698 |
r = m.reduceEntriesInParallel(new AddKeys()); |
699 |
assertEquals(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
700 |
} |
701 |
|
702 |
/* |
703 |
* Mapped reduceKeysSequentially accumulates mapped keys |
704 |
*/ |
705 |
public void testMapReduceKeysSequentially() { |
706 |
ConcurrentHashMap<Long, Long> m = longMap(); |
707 |
Long r = m.reduceKeysSequentially((Long x) -> Long.valueOf(4 * x.longValue()), |
708 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
709 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
710 |
} |
711 |
|
712 |
/* |
713 |
* Mapped reduceValuesSequentially accumulates mapped values |
714 |
*/ |
715 |
public void testMapReduceValuesSequentially() { |
716 |
ConcurrentHashMap<Long, Long> m = longMap(); |
717 |
Long r = m.reduceValuesSequentially((Long x) -> Long.valueOf(4 * x.longValue()), |
718 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
719 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1)); |
720 |
} |
721 |
|
722 |
/** |
723 |
* reduceSequentially accumulates across all transformed mappings |
724 |
*/ |
725 |
public void testMappedReduceSequentially() { |
726 |
ConcurrentHashMap<Long, Long> m = longMap(); |
727 |
Long r = m.reduceSequentially((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
728 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
729 |
|
730 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
731 |
} |
732 |
|
733 |
/* |
734 |
* Mapped reduceKeysInParallel, accumulates mapped keys |
735 |
*/ |
736 |
public void testMapReduceKeysInParallel() { |
737 |
ConcurrentHashMap<Long, Long> m = longMap(); |
738 |
Long r = m.reduceKeysInParallel((Long x) -> Long.valueOf(4 * x.longValue()), |
739 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
740 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
741 |
} |
742 |
|
743 |
/* |
744 |
* Mapped reduceValuesInParallel accumulates mapped values |
745 |
*/ |
746 |
public void testMapReduceValuesInParallel() { |
747 |
ConcurrentHashMap<Long, Long> m = longMap(); |
748 |
Long r = m.reduceValuesInParallel((Long x) -> Long.valueOf(4 * x.longValue()), |
749 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
750 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1)); |
751 |
} |
752 |
|
753 |
/** |
754 |
* reduceInParallel accumulate across all transformed mappings |
755 |
*/ |
756 |
public void testMappedReduceInParallel() { |
757 |
ConcurrentHashMap<Long, Long> m = longMap(); |
758 |
Long r; |
759 |
r = m.reduceInParallel((Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
760 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
761 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
762 |
} |
763 |
|
764 |
|
765 |
/* |
766 |
* reduceKeysToLongSequentially accumulates mapped keys |
767 |
*/ |
768 |
public void testReduceKeysToLongSequentially() { |
769 |
ConcurrentHashMap<Long, Long> m = longMap(); |
770 |
long lr = m.reduceKeysToLongSequentially((Long x) -> x.longValue(), 0L, Long::sum); |
771 |
assertEquals(lr, (long)SIZE * (SIZE - 1) / 2); |
772 |
} |
773 |
|
774 |
/* |
775 |
* reduceKeysToIntSequentially accumulates mapped keys |
776 |
*/ |
777 |
public void testReduceKeysToIntSequentially() { |
778 |
ConcurrentHashMap<Long, Long> m = longMap(); |
779 |
int ir = m.reduceKeysToIntSequentially((Long x) -> x.intValue(), 0, Integer::sum); |
780 |
assertEquals(ir, (int)SIZE * (SIZE - 1) / 2); |
781 |
} |
782 |
|
783 |
/* |
784 |
* reduceKeysToDoubleSequentially accumulates mapped keys |
785 |
*/ |
786 |
public void testReduceKeysToDoubleSequentially() { |
787 |
ConcurrentHashMap<Long, Long> m = longMap(); |
788 |
double dr = m.reduceKeysToDoubleSequentially((Long x) -> x.doubleValue(), 0.0, Double::sum); |
789 |
assertEquals(dr, (double)SIZE * (SIZE - 1) / 2); |
790 |
} |
791 |
|
792 |
/* |
793 |
* reduceValuesToLongSequentially accumulates mapped values |
794 |
*/ |
795 |
public void testReduceValuesToLongSequentially() { |
796 |
ConcurrentHashMap<Long, Long> m = longMap(); |
797 |
long lr = m.reduceValuesToLongSequentially((Long x) -> x.longValue(), 0L, Long::sum); |
798 |
assertEquals(lr, (long)SIZE * (SIZE - 1)); |
799 |
} |
800 |
|
801 |
/* |
802 |
* reduceValuesToIntSequentially accumulates mapped values |
803 |
*/ |
804 |
public void testReduceValuesToIntSequentially() { |
805 |
ConcurrentHashMap<Long, Long> m = longMap(); |
806 |
int ir = m.reduceValuesToIntSequentially((Long x) -> x.intValue(), 0, Integer::sum); |
807 |
assertEquals(ir, (int)SIZE * (SIZE - 1)); |
808 |
} |
809 |
|
810 |
/* |
811 |
* reduceValuesToDoubleSequentially accumulates mapped values |
812 |
*/ |
813 |
public void testReduceValuesToDoubleSequentially() { |
814 |
ConcurrentHashMap<Long, Long> m = longMap(); |
815 |
double dr = m.reduceValuesToDoubleSequentially((Long x) -> x.doubleValue(), 0.0, Double::sum); |
816 |
assertEquals(dr, (double)SIZE * (SIZE - 1)); |
817 |
} |
818 |
|
819 |
/* |
820 |
* reduceKeysToLongInParallel accumulates mapped keys |
821 |
*/ |
822 |
public void testReduceKeysToLongInParallel() { |
823 |
ConcurrentHashMap<Long, Long> m = longMap(); |
824 |
long lr = m.reduceKeysToLongInParallel((Long x) -> x.longValue(), 0L, Long::sum); |
825 |
assertEquals(lr, (long)SIZE * (SIZE - 1) / 2); |
826 |
} |
827 |
|
828 |
/* |
829 |
* reduceKeysToIntInParallel accumulates mapped keys |
830 |
*/ |
831 |
public void testReduceKeysToIntInParallel() { |
832 |
ConcurrentHashMap<Long, Long> m = longMap(); |
833 |
int ir = m.reduceKeysToIntInParallel((Long x) -> x.intValue(), 0, Integer::sum); |
834 |
assertEquals(ir, (int)SIZE * (SIZE - 1) / 2); |
835 |
} |
836 |
|
837 |
/* |
838 |
* reduceKeysToDoubleInParallel accumulates mapped values |
839 |
*/ |
840 |
public void testReduceKeysToDoubleInParallel() { |
841 |
ConcurrentHashMap<Long, Long> m = longMap(); |
842 |
double dr = m.reduceKeysToDoubleInParallel((Long x) -> x.doubleValue(), 0.0, Double::sum); |
843 |
assertEquals(dr, (double)SIZE * (SIZE - 1) / 2); |
844 |
} |
845 |
|
846 |
/* |
847 |
* reduceValuesToLongInParallel accumulates mapped values |
848 |
*/ |
849 |
public void testReduceValuesToLongInParallel() { |
850 |
ConcurrentHashMap<Long, Long> m = longMap(); |
851 |
long lr = m.reduceValuesToLongInParallel((Long x) -> x.longValue(), 0L, Long::sum); |
852 |
assertEquals(lr, (long)SIZE * (SIZE - 1)); |
853 |
} |
854 |
|
855 |
/* |
856 |
* reduceValuesToIntInParallel accumulates mapped values |
857 |
*/ |
858 |
public void testReduceValuesToIntInParallel() { |
859 |
ConcurrentHashMap<Long, Long> m = longMap(); |
860 |
int ir = m.reduceValuesToIntInParallel((Long x) -> x.intValue(), 0, Integer::sum); |
861 |
assertEquals(ir, (int)SIZE * (SIZE - 1)); |
862 |
} |
863 |
|
864 |
/* |
865 |
* reduceValuesToDoubleInParallel accumulates mapped values |
866 |
*/ |
867 |
public void testReduceValuesToDoubleInParallel() { |
868 |
ConcurrentHashMap<Long, Long> m = longMap(); |
869 |
double dr = m.reduceValuesToDoubleInParallel((Long x) -> x.doubleValue(), 0.0, Double::sum); |
870 |
assertEquals(dr, (double)SIZE * (SIZE - 1)); |
871 |
} |
872 |
|
873 |
/** |
874 |
* searchKeysSequentially returns a non-null result of search |
875 |
* function, or null if none |
876 |
*/ |
877 |
public void testSearchKeysSequentially() { |
878 |
ConcurrentHashMap<Long, Long> m = longMap(); |
879 |
Long r; |
880 |
r = m.searchKeysSequentially((Long x) -> x.longValue() == (long)(SIZE/2)? x : null); |
881 |
assertEquals((long)r, (long)(SIZE/2)); |
882 |
r = m.searchKeysSequentially((Long x) -> x.longValue() < 0L? x : null); |
883 |
assertNull(r); |
884 |
} |
885 |
|
886 |
/** |
887 |
* searchValuesSequentially returns a non-null result of search |
888 |
* function, or null if none |
889 |
*/ |
890 |
public void testSearchValuesSequentially() { |
891 |
ConcurrentHashMap<Long, Long> m = longMap(); |
892 |
Long r; |
893 |
r = m.searchValuesSequentially((Long x) -> x.longValue() == (long)(SIZE/2)? x : null); |
894 |
assertEquals((long)r, (long)(SIZE/2)); |
895 |
r = m.searchValuesSequentially((Long x) -> x.longValue() < 0L? x : null); |
896 |
assertNull(r); |
897 |
} |
898 |
|
899 |
/** |
900 |
* searchSequentially returns a non-null result of search |
901 |
* function, or null if none |
902 |
*/ |
903 |
public void testSearchSequentially() { |
904 |
ConcurrentHashMap<Long, Long> m = longMap(); |
905 |
Long r; |
906 |
r = m.searchSequentially((Long x, Long y) -> x.longValue() == (long)(SIZE/2)? x : null); |
907 |
assertEquals((long)r, (long)(SIZE/2)); |
908 |
r = m.searchSequentially((Long x, Long y) -> x.longValue() < 0L? x : null); |
909 |
assertNull(r); |
910 |
} |
911 |
|
912 |
/** |
913 |
* searchEntriesSequentially returns a non-null result of search |
914 |
* function, or null if none |
915 |
*/ |
916 |
public void testSearchEntriesSequentially() { |
917 |
ConcurrentHashMap<Long, Long> m = longMap(); |
918 |
Long r; |
919 |
r = m.searchEntriesSequentially((Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2)? e.getKey() : null); |
920 |
assertEquals((long)r, (long)(SIZE/2)); |
921 |
r = m.searchEntriesSequentially((Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L? e.getKey() : null); |
922 |
assertNull(r); |
923 |
} |
924 |
|
925 |
/** |
926 |
* searchKeysInParallel returns a non-null result of search |
927 |
* function, or null if none |
928 |
*/ |
929 |
public void testSearchKeysInParallel() { |
930 |
ConcurrentHashMap<Long, Long> m = longMap(); |
931 |
Long r; |
932 |
r = m.searchKeysInParallel((Long x) -> x.longValue() == (long)(SIZE/2)? x : null); |
933 |
assertEquals((long)r, (long)(SIZE/2)); |
934 |
r = m.searchKeysInParallel((Long x) -> x.longValue() < 0L? x : null); |
935 |
assertNull(r); |
936 |
} |
937 |
|
938 |
/** |
939 |
* searchValuesInParallel returns a non-null result of search |
940 |
* function, or null if none |
941 |
*/ |
942 |
public void testSearchValuesInParallel() { |
943 |
ConcurrentHashMap<Long, Long> m = longMap(); |
944 |
Long r; |
945 |
r = m.searchValuesInParallel((Long x) -> x.longValue() == (long)(SIZE/2)? x : null); |
946 |
assertEquals((long)r, (long)(SIZE/2)); |
947 |
r = m.searchValuesInParallel((Long x) -> x.longValue() < 0L? x : null); |
948 |
assertNull(r); |
949 |
} |
950 |
|
951 |
/** |
952 |
* searchInParallel returns a non-null result of search function, |
953 |
* or null if none |
954 |
*/ |
955 |
public void testSearchInParallel() { |
956 |
ConcurrentHashMap<Long, Long> m = longMap(); |
957 |
Long r; |
958 |
r = m.searchInParallel((Long x, Long y) -> x.longValue() == (long)(SIZE/2)? x : null); |
959 |
assertEquals((long)r, (long)(SIZE/2)); |
960 |
r = m.searchInParallel((Long x, Long y) -> x.longValue() < 0L? x : null); |
961 |
assertNull(r); |
962 |
} |
963 |
|
964 |
/** |
965 |
* searchEntriesInParallel returns a non-null result of search |
966 |
* function, or null if none |
967 |
*/ |
968 |
public void testSearchEntriesInParallel() { |
969 |
ConcurrentHashMap<Long, Long> m = longMap(); |
970 |
Long r; |
971 |
r = m.searchEntriesInParallel((Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2)? e.getKey() : null); |
972 |
assertEquals((long)r, (long)(SIZE/2)); |
973 |
r = m.searchEntriesInParallel((Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L? e.getKey() : null); |
974 |
assertNull(r); |
975 |
} |
976 |
|
977 |
/** |
978 |
* Invoking task versions of bulk methods has same effect as |
979 |
* parallel methods |
980 |
*/ |
981 |
public void testForkJoinTasks() { |
982 |
LongAdder adder = new LongAdder(); |
983 |
ConcurrentHashMap<Long, Long> m = longMap(); |
984 |
ConcurrentHashMap.ForkJoinTasks.forEachKey |
985 |
(m, (Long x) -> adder.add(x.longValue())).invoke(); |
986 |
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2); |
987 |
adder.reset(); |
988 |
ConcurrentHashMap.ForkJoinTasks.forEachValue |
989 |
(m, (Long x) -> adder.add(x.longValue())).invoke(); |
990 |
assertEquals(adder.sum(), SIZE * (SIZE - 1)); |
991 |
adder.reset(); |
992 |
ConcurrentHashMap.ForkJoinTasks.forEach |
993 |
(m, (Long x, Long y) -> adder.add(x.longValue() + y.longValue())).invoke(); |
994 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
995 |
adder.reset(); |
996 |
ConcurrentHashMap.ForkJoinTasks.forEachEntry |
997 |
(m, |
998 |
(Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())).invoke(); |
999 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
1000 |
adder.reset(); |
1001 |
ConcurrentHashMap.ForkJoinTasks.forEachKey |
1002 |
(m, (Long x) -> Long.valueOf(4 * x.longValue()), |
1003 |
(Long x) -> adder.add(x.longValue())).invoke(); |
1004 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
1005 |
adder.reset(); |
1006 |
ConcurrentHashMap.ForkJoinTasks.forEachValue |
1007 |
(m, (Long x) -> Long.valueOf(4 * x.longValue()), |
1008 |
(Long x) -> adder.add(x.longValue())).invoke(); |
1009 |
assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1)); |
1010 |
adder.reset(); |
1011 |
ConcurrentHashMap.ForkJoinTasks.forEach |
1012 |
(m, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
1013 |
(Long x) -> adder.add(x.longValue())).invoke(); |
1014 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
1015 |
adder.reset(); |
1016 |
ConcurrentHashMap.ForkJoinTasks.forEachEntry |
1017 |
(m, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
1018 |
(Long x) -> adder.add(x.longValue())).invoke(); |
1019 |
assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
1020 |
adder.reset(); |
1021 |
|
1022 |
Long r; long lr; int ir; double dr; |
1023 |
r = ConcurrentHashMap.ForkJoinTasks.reduceKeys |
1024 |
(m, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())).invoke(); |
1025 |
assertEquals((long)r, (long)SIZE * (SIZE - 1) / 2); |
1026 |
r = ConcurrentHashMap.ForkJoinTasks.reduceValues |
1027 |
(m, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())).invoke(); |
1028 |
assertEquals((long)r, (long)SIZE * (SIZE - 1)); |
1029 |
r = ConcurrentHashMap.ForkJoinTasks.reduce |
1030 |
(m, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
1031 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())).invoke(); |
1032 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
1033 |
r = ConcurrentHashMap.ForkJoinTasks.reduceEntries |
1034 |
(m, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
1035 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())).invoke(); |
1036 |
assertEquals((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
1037 |
r = ConcurrentHashMap.ForkJoinTasks.reduceKeys |
1038 |
(m, (Long x) -> Long.valueOf(4 * x.longValue()), |
1039 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())).invoke(); |
1040 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
1041 |
lr = ConcurrentHashMap.ForkJoinTasks.reduceKeysToLong |
1042 |
(m, (Long x) -> x.longValue(), 0L, Long::sum).invoke(); |
1043 |
assertEquals(lr, (long)SIZE * (SIZE - 1) / 2); |
1044 |
ir = ConcurrentHashMap.ForkJoinTasks.reduceKeysToInt |
1045 |
(m, (Long x) -> x.intValue(), 0, Integer::sum).invoke(); |
1046 |
assertEquals(ir, (int)SIZE * (SIZE - 1) / 2); |
1047 |
dr = ConcurrentHashMap.ForkJoinTasks.reduceKeysToDouble |
1048 |
(m, (Long x) -> x.doubleValue(), 0.0, Double::sum).invoke(); |
1049 |
assertEquals(dr, (double)SIZE * (SIZE - 1) / 2); |
1050 |
r = ConcurrentHashMap.ForkJoinTasks.reduceValues |
1051 |
(m, (Long x) -> Long.valueOf(4 * x.longValue()), |
1052 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())).invoke(); |
1053 |
assertEquals((long)r, (long)4 * SIZE * (SIZE - 1)); |
1054 |
lr = ConcurrentHashMap.ForkJoinTasks.reduceValuesToLong |
1055 |
(m, (Long x) -> x.longValue(), 0L, Long::sum).invoke(); |
1056 |
assertEquals(lr, (long)SIZE * (SIZE - 1)); |
1057 |
ir = ConcurrentHashMap.ForkJoinTasks.reduceValuesToInt |
1058 |
(m, (Long x) -> x.intValue(), 0, Integer::sum).invoke(); |
1059 |
assertEquals(ir, (int)SIZE * (SIZE - 1)); |
1060 |
dr = ConcurrentHashMap.ForkJoinTasks.reduceValuesToDouble |
1061 |
(m, (Long x) -> x.doubleValue(), 0.0, Double::sum).invoke(); |
1062 |
assertEquals(dr, (double)SIZE * (SIZE - 1)); |
1063 |
r = ConcurrentHashMap.ForkJoinTasks.searchKeys |
1064 |
(m, (Long x) -> x.longValue() == (long)(SIZE/2)? x : null).invoke(); |
1065 |
assertEquals((long)r, (long)(SIZE/2)); |
1066 |
r = ConcurrentHashMap.ForkJoinTasks.searchValues |
1067 |
(m, (Long x) -> x.longValue() == (long)(SIZE/2)? x : null).invoke(); |
1068 |
assertEquals((long)r, (long)(SIZE/2)); |
1069 |
r = ConcurrentHashMap.ForkJoinTasks.search |
1070 |
(m, (Long x, Long y) -> x.longValue() == (long)(SIZE/2)? x : null).invoke(); |
1071 |
assertEquals((long)r, (long)(SIZE/2)); |
1072 |
r = ConcurrentHashMap.ForkJoinTasks.searchEntries |
1073 |
(m, (Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2)? e.getKey() : null).invoke(); |
1074 |
assertEquals((long)r, (long)(SIZE/2)); |
1075 |
} |
1076 |
} |