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dl |
1.1 |
/* |
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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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jsr166 |
1.18 |
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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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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jsr166 |
1.32 |
import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Executors; |
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jsr166 |
1.18 |
import java.util.concurrent.ConcurrentHashMap; |
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dl |
1.2 |
import java.util.concurrent.atomic.LongAdder; |
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jsr166 |
1.18 |
import java.util.function.BiFunction; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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dl |
1.1 |
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public class ConcurrentHashMap8Test extends JSR166TestCase { |
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public static void main(String[] args) { |
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jsr166 |
1.28 |
main(suite(), args); |
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dl |
1.1 |
} |
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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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dl |
1.38 |
* Returns a new map from Items 1-5 to Strings "A"-"E". |
38 |
dl |
1.1 |
*/ |
39 |
dl |
1.38 |
private static ConcurrentHashMap<Item,String> map5() { |
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jsr166 |
1.39 |
ConcurrentHashMap<Item,String> map = new ConcurrentHashMap<>(5); |
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dl |
1.1 |
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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dl |
1.38 |
mustEqual(5, map.size()); |
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dl |
1.1 |
return map; |
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} |
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/** |
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dl |
1.3 |
* getOrDefault returns value if present, else default |
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*/ |
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public void testGetOrDefault() { |
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dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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mustEqual(map.getOrDefault(one, "Z"), "A"); |
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mustEqual(map.getOrDefault(six, "Z"), "Z"); |
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dl |
1.3 |
} |
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/** |
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dl |
1.1 |
* computeIfAbsent adds when the given key is not present |
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*/ |
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public void testComputeIfAbsent() { |
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dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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jsr166 |
1.33 |
map.computeIfAbsent(six, x -> "Z"); |
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1.1 |
assertTrue(map.containsKey(six)); |
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} |
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/** |
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jsr166 |
1.14 |
* computeIfAbsent does not replace if the key is already present |
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dl |
1.1 |
*/ |
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public void testComputeIfAbsent2() { |
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dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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mustEqual("A", map.computeIfAbsent(one, x -> "Z")); |
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1.1 |
} |
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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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dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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jsr166 |
1.33 |
map.computeIfAbsent(six, x -> null); |
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dl |
1.1 |
assertFalse(map.containsKey(six)); |
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} |
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jsr166 |
1.4 |
|
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dl |
1.1 |
/** |
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jsr166 |
1.14 |
* computeIfPresent does not replace if the key is already present |
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1.1 |
*/ |
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public void testComputeIfPresent() { |
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dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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1.1 |
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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* computeIfPresent adds when the given key is not present |
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*/ |
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public void testComputeIfPresent2() { |
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dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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mustEqual("Z", map.computeIfPresent(one, (x, y) -> "Z")); |
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1.1 |
} |
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/** |
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jsr166 |
1.14 |
* compute does not replace if the function returns null |
106 |
dl |
1.1 |
*/ |
107 |
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public void testCompute() { |
108 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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dl |
1.1 |
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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* compute adds when the given key is not present |
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*/ |
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public void testCompute2() { |
117 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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mustEqual("Z", map.compute(six, (x, y) -> "Z")); |
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dl |
1.1 |
} |
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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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dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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mustEqual("Z", map.compute(one, (x, y) -> "Z")); |
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dl |
1.1 |
} |
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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() { |
133 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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dl |
1.1 |
map.compute(one, (x, y) -> null); |
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assertFalse(map.containsKey(one)); |
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} |
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/** |
139 |
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* merge adds when the given key is not present |
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*/ |
141 |
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public void testMerge1() { |
142 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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mustEqual("Y", map.merge(six, "Y", (x, y) -> "Z")); |
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dl |
1.1 |
} |
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/** |
147 |
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* merge replaces when the given key is present |
148 |
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*/ |
149 |
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public void testMerge2() { |
150 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
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mustEqual("Z", map.merge(one, "Y", (x, y) -> "Z")); |
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dl |
1.1 |
} |
153 |
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154 |
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/** |
155 |
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* merge removes when the given key is present and function returns null |
156 |
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*/ |
157 |
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public void testMerge3() { |
158 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
159 |
dl |
1.1 |
map.merge(one, "Y", (x, y) -> null); |
160 |
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assertFalse(map.containsKey(one)); |
161 |
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} |
162 |
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163 |
dl |
1.38 |
static Set<Item> populatedSet(int n) { |
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Set<Item> a = ConcurrentHashMap.<Item>newKeySet(); |
165 |
dl |
1.3 |
assertTrue(a.isEmpty()); |
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for (int i = 0; i < n; i++) |
167 |
dl |
1.38 |
mustAdd(a, i); |
168 |
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mustEqual(n == 0, a.isEmpty()); |
169 |
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mustEqual(n, a.size()); |
170 |
dl |
1.3 |
return a; |
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} |
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dl |
1.38 |
static Set<Item> populatedSet(Item[] elements) { |
174 |
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Set<Item> a = ConcurrentHashMap.<Item>newKeySet(); |
175 |
dl |
1.3 |
assertTrue(a.isEmpty()); |
176 |
dl |
1.38 |
for (Item element : elements) |
177 |
jsr166 |
1.37 |
assertTrue(a.add(element)); |
178 |
dl |
1.3 |
assertFalse(a.isEmpty()); |
179 |
dl |
1.38 |
mustEqual(elements.length, a.size()); |
180 |
dl |
1.3 |
return a; |
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} |
182 |
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183 |
jsr166 |
1.19 |
/** |
184 |
dl |
1.12 |
* replaceAll replaces all matching values. |
185 |
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*/ |
186 |
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public void testReplaceAll() { |
187 |
dl |
1.38 |
ConcurrentHashMap<Item, String> map = map5(); |
188 |
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map.replaceAll((x, y) -> (x.value > 3) ? "Z" : y); |
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mustEqual("A", map.get(one)); |
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mustEqual("B", map.get(two)); |
191 |
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mustEqual("C", map.get(three)); |
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mustEqual("Z", map.get(four)); |
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mustEqual("Z", map.get(five)); |
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dl |
1.12 |
} |
195 |
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196 |
dl |
1.3 |
/** |
197 |
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* Default-constructed set is empty |
198 |
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*/ |
199 |
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public void testNewKeySet() { |
200 |
dl |
1.38 |
Set<Item> a = ConcurrentHashMap.<Item>newKeySet(); |
201 |
dl |
1.3 |
assertTrue(a.isEmpty()); |
202 |
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} |
203 |
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204 |
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/** |
205 |
dl |
1.12 |
* keySet.add adds the key with the established value to the map; |
206 |
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* remove removes it. |
207 |
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*/ |
208 |
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public void testKeySetAddRemove() { |
209 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
210 |
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Set<Item> set1 = map.keySet(); |
211 |
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Set<Item> set2 = map.keySet("added"); |
212 |
dl |
1.12 |
set2.add(six); |
213 |
jsr166 |
1.34 |
assertSame(map, ((ConcurrentHashMap.KeySetView)set2).getMap()); |
214 |
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assertSame(map, ((ConcurrentHashMap.KeySetView)set1).getMap()); |
215 |
dl |
1.38 |
mustEqual(set2.size(), map.size()); |
216 |
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mustEqual(set1.size(), map.size()); |
217 |
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assertEquals(map.get(six), "added"); |
218 |
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mustContain(set1, six); |
219 |
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mustContain(set2, six); |
220 |
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mustRemove(set2, six); |
221 |
dl |
1.12 |
assertNull(map.get(six)); |
222 |
dl |
1.38 |
mustNotContain(set1, six); |
223 |
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mustNotContain(set2, six); |
224 |
dl |
1.12 |
} |
225 |
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226 |
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/** |
227 |
dl |
1.3 |
* keySet.addAll adds each element from the given collection |
228 |
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*/ |
229 |
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public void testAddAll() { |
230 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
231 |
jsr166 |
1.23 |
assertTrue(full.addAll(Arrays.asList(three, four, five))); |
232 |
dl |
1.38 |
mustEqual(6, full.size()); |
233 |
jsr166 |
1.23 |
assertFalse(full.addAll(Arrays.asList(three, four, five))); |
234 |
dl |
1.38 |
mustEqual(6, full.size()); |
235 |
dl |
1.3 |
} |
236 |
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237 |
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/** |
238 |
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* keySet.addAll adds each element from the given collection that did not |
239 |
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* already exist in the set |
240 |
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*/ |
241 |
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public void testAddAll2() { |
242 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
243 |
jsr166 |
1.23 |
// "one" is duplicate and will not be added |
244 |
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assertTrue(full.addAll(Arrays.asList(three, four, one))); |
245 |
dl |
1.38 |
mustEqual(5, full.size()); |
246 |
jsr166 |
1.23 |
assertFalse(full.addAll(Arrays.asList(three, four, one))); |
247 |
dl |
1.38 |
mustEqual(5, full.size()); |
248 |
dl |
1.3 |
} |
249 |
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250 |
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/** |
251 |
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* keySet.add will not add the element if it already exists in the set |
252 |
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*/ |
253 |
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public void testAdd2() { |
254 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
255 |
jsr166 |
1.24 |
assertFalse(full.add(one)); |
256 |
dl |
1.38 |
mustEqual(3, full.size()); |
257 |
dl |
1.3 |
} |
258 |
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259 |
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/** |
260 |
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* keySet.add adds the element when it does not exist in the set |
261 |
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*/ |
262 |
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public void testAdd3() { |
263 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
264 |
jsr166 |
1.24 |
assertTrue(full.add(three)); |
265 |
dl |
1.38 |
mustContain(full, three); |
266 |
jsr166 |
1.24 |
assertFalse(full.add(three)); |
267 |
dl |
1.38 |
mustContain(full, three); |
268 |
dl |
1.3 |
} |
269 |
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|
270 |
jsr166 |
1.13 |
/** |
271 |
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* keySet.add throws UnsupportedOperationException if no default |
272 |
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* mapped value |
273 |
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*/ |
274 |
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public void testAdd4() { |
275 |
dl |
1.38 |
Set<Item> full = map5().keySet(); |
276 |
jsr166 |
1.13 |
try { |
277 |
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full.add(three); |
278 |
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shouldThrow(); |
279 |
jsr166 |
1.25 |
} catch (UnsupportedOperationException success) {} |
280 |
jsr166 |
1.13 |
} |
281 |
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282 |
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/** |
283 |
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* keySet.add throws NullPointerException if the specified key is |
284 |
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* null |
285 |
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*/ |
286 |
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public void testAdd5() { |
287 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
288 |
jsr166 |
1.13 |
try { |
289 |
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full.add(null); |
290 |
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shouldThrow(); |
291 |
jsr166 |
1.25 |
} catch (NullPointerException success) {} |
292 |
jsr166 |
1.13 |
} |
293 |
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294 |
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/** |
295 |
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* KeySetView.getMappedValue returns the map's mapped value |
296 |
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*/ |
297 |
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public void testGetMappedValue() { |
298 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
299 |
jsr166 |
1.13 |
assertNull(map.keySet().getMappedValue()); |
300 |
dl |
1.38 |
String added = "added"; |
301 |
jsr166 |
1.13 |
try { |
302 |
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map.keySet(null); |
303 |
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shouldThrow(); |
304 |
jsr166 |
1.26 |
} catch (NullPointerException success) {} |
305 |
dl |
1.38 |
ConcurrentHashMap.KeySetView<Item,String> set = map.keySet(added); |
306 |
jsr166 |
1.27 |
assertFalse(set.add(one)); |
307 |
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assertTrue(set.add(six)); |
308 |
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assertTrue(set.add(seven)); |
309 |
dl |
1.38 |
assertSame(added, set.getMappedValue()); |
310 |
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assertNotSame(added, map.get(one)); |
311 |
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assertSame(added, map.get(six)); |
312 |
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assertSame(added, map.get(seven)); |
313 |
jsr166 |
1.13 |
} |
314 |
dl |
1.12 |
|
315 |
jsr166 |
1.15 |
void checkSpliteratorCharacteristics(Spliterator<?> sp, |
316 |
|
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int requiredCharacteristics) { |
317 |
dl |
1.38 |
mustEqual(requiredCharacteristics, |
318 |
jsr166 |
1.15 |
requiredCharacteristics & sp.characteristics()); |
319 |
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} |
320 |
jsr166 |
1.16 |
|
321 |
jsr166 |
1.13 |
/** |
322 |
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* KeySetView.spliterator returns spliterator over the elements in this set |
323 |
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*/ |
324 |
|
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public void testKeySetSpliterator() { |
325 |
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LongAdder adder = new LongAdder(); |
326 |
dl |
1.38 |
ConcurrentHashMap<Item,String> map = map5(); |
327 |
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Set<Item> set = map.keySet(); |
328 |
|
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Spliterator<Item> sp = set.spliterator(); |
329 |
jsr166 |
1.15 |
checkSpliteratorCharacteristics(sp, CONCURRENT | DISTINCT | NONNULL); |
330 |
dl |
1.38 |
mustEqual(sp.estimateSize(), map.size()); |
331 |
|
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Spliterator<Item> sp2 = sp.trySplit(); |
332 |
|
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sp.forEachRemaining((Item x) -> adder.add(x.longValue())); |
333 |
jsr166 |
1.13 |
long v = adder.sumThenReset(); |
334 |
dl |
1.38 |
sp2.forEachRemaining((Item x) -> adder.add(x.longValue())); |
335 |
jsr166 |
1.13 |
long v2 = adder.sum(); |
336 |
dl |
1.38 |
mustEqual(v + v2, 15); |
337 |
jsr166 |
1.13 |
} |
338 |
dl |
1.12 |
|
339 |
dl |
1.3 |
/** |
340 |
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* keyset.clear removes all elements from the set |
341 |
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*/ |
342 |
|
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public void testClear() { |
343 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
344 |
dl |
1.3 |
full.clear(); |
345 |
dl |
1.38 |
mustEqual(0, full.size()); |
346 |
dl |
1.3 |
} |
347 |
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|
348 |
|
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/** |
349 |
|
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* keyset.contains returns true for added elements |
350 |
|
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*/ |
351 |
|
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public void testContains() { |
352 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
353 |
|
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mustContain(full, one); |
354 |
|
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mustNotContain(full, five); |
355 |
dl |
1.3 |
} |
356 |
|
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|
357 |
|
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/** |
358 |
|
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* KeySets with equal elements are equal |
359 |
|
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*/ |
360 |
|
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public void testEquals() { |
361 |
dl |
1.38 |
Set<Item> a = populatedSet(3); |
362 |
|
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Set<Item> b = populatedSet(3); |
363 |
dl |
1.3 |
assertTrue(a.equals(b)); |
364 |
|
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assertTrue(b.equals(a)); |
365 |
dl |
1.38 |
mustEqual(a.hashCode(), b.hashCode()); |
366 |
|
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a.add(minusOne); |
367 |
dl |
1.3 |
assertFalse(a.equals(b)); |
368 |
|
|
assertFalse(b.equals(a)); |
369 |
dl |
1.38 |
b.add(minusOne); |
370 |
dl |
1.3 |
assertTrue(a.equals(b)); |
371 |
|
|
assertTrue(b.equals(a)); |
372 |
dl |
1.38 |
mustEqual(a.hashCode(), b.hashCode()); |
373 |
dl |
1.3 |
} |
374 |
|
|
|
375 |
|
|
/** |
376 |
|
|
* KeySet.containsAll returns true for collections with subset of elements |
377 |
|
|
*/ |
378 |
|
|
public void testContainsAll() { |
379 |
dl |
1.38 |
Collection<Item> full = populatedSet(3); |
380 |
jsr166 |
1.23 |
assertTrue(full.containsAll(Arrays.asList())); |
381 |
|
|
assertTrue(full.containsAll(Arrays.asList(one))); |
382 |
|
|
assertTrue(full.containsAll(Arrays.asList(one, two))); |
383 |
|
|
assertFalse(full.containsAll(Arrays.asList(one, two, six))); |
384 |
|
|
assertFalse(full.containsAll(Arrays.asList(six))); |
385 |
dl |
1.3 |
} |
386 |
|
|
|
387 |
|
|
/** |
388 |
|
|
* KeySet.isEmpty is true when empty, else false |
389 |
|
|
*/ |
390 |
|
|
public void testIsEmpty() { |
391 |
jsr166 |
1.23 |
assertTrue(populatedSet(0).isEmpty()); |
392 |
|
|
assertFalse(populatedSet(3).isEmpty()); |
393 |
dl |
1.3 |
} |
394 |
|
|
|
395 |
|
|
/** |
396 |
|
|
* KeySet.iterator() returns an iterator containing the elements of the |
397 |
|
|
* set |
398 |
|
|
*/ |
399 |
|
|
public void testIterator() { |
400 |
dl |
1.38 |
Collection<Item> empty = ConcurrentHashMap.<Item>newKeySet(); |
401 |
dl |
1.3 |
int size = 20; |
402 |
|
|
assertFalse(empty.iterator().hasNext()); |
403 |
|
|
try { |
404 |
|
|
empty.iterator().next(); |
405 |
|
|
shouldThrow(); |
406 |
|
|
} catch (NoSuchElementException success) {} |
407 |
|
|
|
408 |
dl |
1.38 |
Item[] elements = seqItems(size); |
409 |
jsr166 |
1.30 |
shuffle(elements); |
410 |
dl |
1.38 |
Collection<Item> full = populatedSet(elements); |
411 |
dl |
1.3 |
|
412 |
dl |
1.38 |
Iterator<? extends Item> it = full.iterator(); |
413 |
dl |
1.3 |
for (int j = 0; j < size; j++) { |
414 |
|
|
assertTrue(it.hasNext()); |
415 |
|
|
it.next(); |
416 |
|
|
} |
417 |
jsr166 |
1.22 |
assertIteratorExhausted(it); |
418 |
|
|
} |
419 |
|
|
|
420 |
|
|
/** |
421 |
|
|
* iterator of empty collections has no elements |
422 |
|
|
*/ |
423 |
|
|
public void testEmptyIterator() { |
424 |
|
|
assertIteratorExhausted(ConcurrentHashMap.newKeySet().iterator()); |
425 |
dl |
1.38 |
assertIteratorExhausted(new ConcurrentHashMap<Item,String>().entrySet().iterator()); |
426 |
|
|
assertIteratorExhausted(new ConcurrentHashMap<Item,String>().values().iterator()); |
427 |
|
|
assertIteratorExhausted(new ConcurrentHashMap<Item,String>().keySet().iterator()); |
428 |
dl |
1.3 |
} |
429 |
|
|
|
430 |
|
|
/** |
431 |
|
|
* KeySet.iterator.remove removes current element |
432 |
|
|
*/ |
433 |
|
|
public void testIteratorRemove() { |
434 |
dl |
1.38 |
Set<Item> q = populatedSet(3); |
435 |
|
|
Iterator<Item> it = q.iterator(); |
436 |
dl |
1.3 |
Object removed = it.next(); |
437 |
|
|
it.remove(); |
438 |
|
|
|
439 |
|
|
it = q.iterator(); |
440 |
|
|
assertFalse(it.next().equals(removed)); |
441 |
|
|
assertFalse(it.next().equals(removed)); |
442 |
|
|
assertFalse(it.hasNext()); |
443 |
|
|
} |
444 |
|
|
|
445 |
|
|
/** |
446 |
|
|
* KeySet.toString holds toString of elements |
447 |
|
|
*/ |
448 |
|
|
public void testToString() { |
449 |
dl |
1.38 |
mustEqual("[]", ConcurrentHashMap.newKeySet().toString()); |
450 |
|
|
Set<Item> full = populatedSet(3); |
451 |
dl |
1.3 |
String s = full.toString(); |
452 |
|
|
for (int i = 0; i < 3; ++i) |
453 |
|
|
assertTrue(s.contains(String.valueOf(i))); |
454 |
|
|
} |
455 |
|
|
|
456 |
|
|
/** |
457 |
|
|
* KeySet.removeAll removes all elements from the given collection |
458 |
|
|
*/ |
459 |
|
|
public void testRemoveAll() { |
460 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
461 |
jsr166 |
1.23 |
assertTrue(full.removeAll(Arrays.asList(one, two))); |
462 |
dl |
1.38 |
mustEqual(1, full.size()); |
463 |
jsr166 |
1.23 |
assertFalse(full.removeAll(Arrays.asList(one, two))); |
464 |
dl |
1.38 |
mustEqual(1, full.size()); |
465 |
dl |
1.3 |
} |
466 |
|
|
|
467 |
|
|
/** |
468 |
|
|
* KeySet.remove removes an element |
469 |
|
|
*/ |
470 |
|
|
public void testRemove() { |
471 |
dl |
1.38 |
Set<Item> full = populatedSet(3); |
472 |
dl |
1.3 |
full.remove(one); |
473 |
dl |
1.38 |
mustNotContain(full, one); |
474 |
|
|
mustEqual(2, full.size()); |
475 |
dl |
1.3 |
} |
476 |
|
|
|
477 |
|
|
/** |
478 |
|
|
* keySet.size returns the number of elements |
479 |
|
|
*/ |
480 |
|
|
public void testSize() { |
481 |
dl |
1.38 |
Set<Item> empty = ConcurrentHashMap.newKeySet(); |
482 |
|
|
Set<Item> full = populatedSet(3); |
483 |
|
|
mustEqual(3, full.size()); |
484 |
|
|
mustEqual(0, empty.size()); |
485 |
dl |
1.3 |
} |
486 |
|
|
|
487 |
|
|
/** |
488 |
|
|
* KeySet.toArray() returns an Object array containing all elements from |
489 |
|
|
* the set |
490 |
|
|
*/ |
491 |
|
|
public void testToArray() { |
492 |
|
|
Object[] a = ConcurrentHashMap.newKeySet().toArray(); |
493 |
|
|
assertTrue(Arrays.equals(new Object[0], a)); |
494 |
|
|
assertSame(Object[].class, a.getClass()); |
495 |
|
|
int size = 20; |
496 |
dl |
1.38 |
Item[] elements = seqItems(size); |
497 |
jsr166 |
1.30 |
shuffle(elements); |
498 |
dl |
1.38 |
Collection<Item> full = populatedSet(elements); |
499 |
jsr166 |
1.4 |
|
500 |
dl |
1.3 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray()))); |
501 |
|
|
assertTrue(full.containsAll(Arrays.asList(full.toArray()))); |
502 |
|
|
assertSame(Object[].class, full.toArray().getClass()); |
503 |
|
|
} |
504 |
|
|
|
505 |
|
|
/** |
506 |
dl |
1.38 |
* toArray(Item array) returns an Item array containing all |
507 |
dl |
1.3 |
* elements from the set |
508 |
|
|
*/ |
509 |
|
|
public void testToArray2() { |
510 |
dl |
1.38 |
Collection<Item> empty = ConcurrentHashMap.<Item>newKeySet(); |
511 |
|
|
Item[] a; |
512 |
dl |
1.3 |
int size = 20; |
513 |
|
|
|
514 |
dl |
1.38 |
a = new Item[0]; |
515 |
dl |
1.3 |
assertSame(a, empty.toArray(a)); |
516 |
|
|
|
517 |
dl |
1.38 |
a = new Item[size / 2]; |
518 |
|
|
Arrays.fill(a, fortytwo); |
519 |
dl |
1.3 |
assertSame(a, empty.toArray(a)); |
520 |
|
|
assertNull(a[0]); |
521 |
|
|
for (int i = 1; i < a.length; i++) |
522 |
dl |
1.38 |
mustEqual(42, a[i]); |
523 |
dl |
1.3 |
|
524 |
dl |
1.38 |
Item[] elements = seqItems(size); |
525 |
jsr166 |
1.30 |
shuffle(elements); |
526 |
dl |
1.38 |
Collection<Item> full = populatedSet(elements); |
527 |
dl |
1.3 |
|
528 |
dl |
1.38 |
Arrays.fill(a, fortytwo); |
529 |
dl |
1.3 |
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
530 |
|
|
for (int i = 0; i < a.length; i++) |
531 |
dl |
1.38 |
mustEqual(42, a[i]); |
532 |
|
|
assertSame(Item[].class, full.toArray(a).getClass()); |
533 |
dl |
1.3 |
|
534 |
dl |
1.38 |
a = new Item[size]; |
535 |
|
|
Arrays.fill(a, fortytwo); |
536 |
dl |
1.3 |
assertSame(a, full.toArray(a)); |
537 |
|
|
assertTrue(Arrays.asList(elements).containsAll(Arrays.asList(full.toArray(a)))); |
538 |
|
|
} |
539 |
|
|
|
540 |
|
|
/** |
541 |
jsr166 |
1.35 |
* A deserialized/reserialized set equals original |
542 |
dl |
1.3 |
*/ |
543 |
|
|
public void testSerialization() throws Exception { |
544 |
|
|
int size = 20; |
545 |
dl |
1.38 |
Set<Item> x = populatedSet(size); |
546 |
|
|
Set<Item> y = serialClone(x); |
547 |
dl |
1.3 |
|
548 |
jsr166 |
1.10 |
assertNotSame(x, y); |
549 |
dl |
1.38 |
mustEqual(x.size(), y.size()); |
550 |
|
|
mustEqual(x, y); |
551 |
|
|
mustEqual(y, x); |
552 |
dl |
1.3 |
} |
553 |
|
|
|
554 |
dl |
1.2 |
static final int SIZE = 10000; |
555 |
|
|
static ConcurrentHashMap<Long, Long> longMap; |
556 |
jsr166 |
1.4 |
|
557 |
dl |
1.2 |
static ConcurrentHashMap<Long, Long> longMap() { |
558 |
|
|
if (longMap == null) { |
559 |
jsr166 |
1.39 |
longMap = new ConcurrentHashMap<>(SIZE); |
560 |
dl |
1.2 |
for (int i = 0; i < SIZE; ++i) |
561 |
|
|
longMap.put(Long.valueOf(i), Long.valueOf(2 *i)); |
562 |
|
|
} |
563 |
|
|
return longMap; |
564 |
|
|
} |
565 |
|
|
|
566 |
dl |
1.3 |
// explicit function class to avoid type inference problems |
567 |
|
|
static class AddKeys implements BiFunction<Map.Entry<Long,Long>, Map.Entry<Long,Long>, Map.Entry<Long,Long>> { |
568 |
|
|
public Map.Entry<Long,Long> apply(Map.Entry<Long,Long> x, Map.Entry<Long,Long> y) { |
569 |
|
|
return new AbstractMap.SimpleEntry<Long,Long> |
570 |
jsr166 |
1.4 |
(Long.valueOf(x.getKey().longValue() + y.getKey().longValue()), |
571 |
dl |
1.3 |
Long.valueOf(1L)); |
572 |
|
|
} |
573 |
|
|
} |
574 |
|
|
|
575 |
dl |
1.2 |
/** |
576 |
dl |
1.3 |
* forEachKeySequentially traverses all keys |
577 |
dl |
1.2 |
*/ |
578 |
dl |
1.3 |
public void testForEachKeySequentially() { |
579 |
dl |
1.2 |
LongAdder adder = new LongAdder(); |
580 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
581 |
dl |
1.9 |
m.forEachKey(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue())); |
582 |
dl |
1.38 |
mustEqual(adder.sum(), SIZE * (SIZE - 1) / 2); |
583 |
dl |
1.3 |
} |
584 |
|
|
|
585 |
|
|
/** |
586 |
|
|
* forEachValueSequentially traverses all values |
587 |
|
|
*/ |
588 |
|
|
public void testForEachValueSequentially() { |
589 |
|
|
LongAdder adder = new LongAdder(); |
590 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
591 |
dl |
1.9 |
m.forEachValue(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue())); |
592 |
dl |
1.38 |
mustEqual(adder.sum(), SIZE * (SIZE - 1)); |
593 |
dl |
1.3 |
} |
594 |
|
|
|
595 |
|
|
/** |
596 |
|
|
* forEachSequentially traverses all mappings |
597 |
|
|
*/ |
598 |
|
|
public void testForEachSequentially() { |
599 |
|
|
LongAdder adder = new LongAdder(); |
600 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
601 |
dl |
1.9 |
m.forEach(Long.MAX_VALUE, (Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
602 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
603 |
dl |
1.3 |
} |
604 |
|
|
|
605 |
|
|
/** |
606 |
|
|
* forEachEntrySequentially traverses all entries |
607 |
|
|
*/ |
608 |
|
|
public void testForEachEntrySequentially() { |
609 |
|
|
LongAdder adder = new LongAdder(); |
610 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
611 |
dl |
1.9 |
m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
612 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
613 |
dl |
1.3 |
} |
614 |
|
|
|
615 |
|
|
/** |
616 |
|
|
* forEachKeyInParallel traverses all keys |
617 |
|
|
*/ |
618 |
|
|
public void testForEachKeyInParallel() { |
619 |
|
|
LongAdder adder = new LongAdder(); |
620 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
621 |
dl |
1.9 |
m.forEachKey(1L, (Long x) -> adder.add(x.longValue())); |
622 |
dl |
1.38 |
mustEqual(adder.sum(), SIZE * (SIZE - 1) / 2); |
623 |
dl |
1.3 |
} |
624 |
|
|
|
625 |
|
|
/** |
626 |
|
|
* forEachValueInParallel traverses all values |
627 |
|
|
*/ |
628 |
|
|
public void testForEachValueInParallel() { |
629 |
|
|
LongAdder adder = new LongAdder(); |
630 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
631 |
dl |
1.9 |
m.forEachValue(1L, (Long x) -> adder.add(x.longValue())); |
632 |
dl |
1.38 |
mustEqual(adder.sum(), SIZE * (SIZE - 1)); |
633 |
dl |
1.3 |
} |
634 |
|
|
|
635 |
|
|
/** |
636 |
|
|
* forEachInParallel traverses all mappings |
637 |
|
|
*/ |
638 |
|
|
public void testForEachInParallel() { |
639 |
|
|
LongAdder adder = new LongAdder(); |
640 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
641 |
dl |
1.9 |
m.forEach(1L, (Long x, Long y) -> adder.add(x.longValue() + y.longValue())); |
642 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
643 |
dl |
1.3 |
} |
644 |
|
|
|
645 |
|
|
/** |
646 |
|
|
* forEachEntryInParallel traverses all entries |
647 |
|
|
*/ |
648 |
|
|
public void testForEachEntryInParallel() { |
649 |
|
|
LongAdder adder = new LongAdder(); |
650 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
651 |
dl |
1.9 |
m.forEachEntry(1L, (Map.Entry<Long,Long> e) -> adder.add(e.getKey().longValue() + e.getValue().longValue())); |
652 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
653 |
dl |
1.2 |
} |
654 |
|
|
|
655 |
|
|
/** |
656 |
dl |
1.3 |
* Mapped forEachKeySequentially traverses the given |
657 |
|
|
* transformations of all keys |
658 |
dl |
1.2 |
*/ |
659 |
dl |
1.3 |
public void testMappedForEachKeySequentially() { |
660 |
dl |
1.2 |
LongAdder adder = new LongAdder(); |
661 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
662 |
dl |
1.9 |
m.forEachKey(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
663 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
664 |
dl |
1.38 |
mustEqual(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
665 |
dl |
1.3 |
} |
666 |
|
|
|
667 |
|
|
/** |
668 |
|
|
* Mapped forEachValueSequentially traverses the given |
669 |
|
|
* transformations of all values |
670 |
|
|
*/ |
671 |
|
|
public void testMappedForEachValueSequentially() { |
672 |
|
|
LongAdder adder = new LongAdder(); |
673 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
674 |
dl |
1.9 |
m.forEachValue(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
675 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
676 |
dl |
1.38 |
mustEqual(adder.sum(), 4 * SIZE * (SIZE - 1)); |
677 |
dl |
1.3 |
} |
678 |
|
|
|
679 |
|
|
/** |
680 |
|
|
* Mapped forEachSequentially traverses the given |
681 |
|
|
* transformations of all mappings |
682 |
|
|
*/ |
683 |
|
|
public void testMappedForEachSequentially() { |
684 |
|
|
LongAdder adder = new LongAdder(); |
685 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
686 |
dl |
1.9 |
m.forEach(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
687 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
688 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
689 |
dl |
1.3 |
} |
690 |
|
|
|
691 |
|
|
/** |
692 |
|
|
* Mapped forEachEntrySequentially traverses the given |
693 |
|
|
* transformations of all entries |
694 |
|
|
*/ |
695 |
|
|
public void testMappedForEachEntrySequentially() { |
696 |
|
|
LongAdder adder = new LongAdder(); |
697 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
698 |
dl |
1.9 |
m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
699 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
700 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
701 |
dl |
1.3 |
} |
702 |
|
|
|
703 |
|
|
/** |
704 |
|
|
* Mapped forEachKeyInParallel traverses the given |
705 |
|
|
* transformations of all keys |
706 |
|
|
*/ |
707 |
|
|
public void testMappedForEachKeyInParallel() { |
708 |
|
|
LongAdder adder = new LongAdder(); |
709 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
710 |
dl |
1.9 |
m.forEachKey(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
711 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
712 |
dl |
1.38 |
mustEqual(adder.sum(), 4 * SIZE * (SIZE - 1) / 2); |
713 |
dl |
1.3 |
} |
714 |
|
|
|
715 |
|
|
/** |
716 |
|
|
* Mapped forEachValueInParallel traverses the given |
717 |
|
|
* transformations of all values |
718 |
|
|
*/ |
719 |
|
|
public void testMappedForEachValueInParallel() { |
720 |
|
|
LongAdder adder = new LongAdder(); |
721 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
722 |
dl |
1.9 |
m.forEachValue(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
723 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
724 |
dl |
1.38 |
mustEqual(adder.sum(), 4 * SIZE * (SIZE - 1)); |
725 |
dl |
1.3 |
} |
726 |
|
|
|
727 |
|
|
/** |
728 |
|
|
* Mapped forEachInParallel traverses the given |
729 |
|
|
* transformations of all mappings |
730 |
|
|
*/ |
731 |
|
|
public void testMappedForEachInParallel() { |
732 |
|
|
LongAdder adder = new LongAdder(); |
733 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
734 |
dl |
1.9 |
m.forEach(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
735 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
736 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
737 |
dl |
1.3 |
} |
738 |
|
|
|
739 |
|
|
/** |
740 |
|
|
* Mapped forEachEntryInParallel traverses the given |
741 |
|
|
* transformations of all entries |
742 |
|
|
*/ |
743 |
|
|
public void testMappedForEachEntryInParallel() { |
744 |
|
|
LongAdder adder = new LongAdder(); |
745 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
746 |
dl |
1.9 |
m.forEachEntry(1L, (Map.Entry<Long,Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), |
747 |
dl |
1.2 |
(Long x) -> adder.add(x.longValue())); |
748 |
dl |
1.38 |
mustEqual(adder.sum(), 3 * SIZE * (SIZE - 1) / 2); |
749 |
dl |
1.2 |
} |
750 |
|
|
|
751 |
dl |
1.3 |
/** |
752 |
|
|
* reduceKeysSequentially accumulates across all keys, |
753 |
|
|
*/ |
754 |
|
|
public void testReduceKeysSequentially() { |
755 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
756 |
|
|
Long r; |
757 |
dl |
1.9 |
r = m.reduceKeys(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
758 |
dl |
1.38 |
mustEqual((long)r, (long)SIZE * (SIZE - 1) / 2); |
759 |
dl |
1.3 |
} |
760 |
|
|
|
761 |
dl |
1.2 |
/** |
762 |
dl |
1.3 |
* reduceValuesSequentially accumulates across all values |
763 |
dl |
1.2 |
*/ |
764 |
dl |
1.3 |
public void testReduceValuesSequentially() { |
765 |
dl |
1.2 |
ConcurrentHashMap<Long, Long> m = longMap(); |
766 |
|
|
Long r; |
767 |
dl |
1.9 |
r = m.reduceKeys(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
768 |
dl |
1.38 |
mustEqual((long)r, (long)SIZE * (SIZE - 1) / 2); |
769 |
dl |
1.3 |
} |
770 |
|
|
|
771 |
|
|
/** |
772 |
|
|
* reduceEntriesSequentially accumulates across all entries |
773 |
|
|
*/ |
774 |
|
|
public void testReduceEntriesSequentially() { |
775 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
776 |
|
|
Map.Entry<Long,Long> r; |
777 |
dl |
1.9 |
r = m.reduceEntries(Long.MAX_VALUE, new AddKeys()); |
778 |
dl |
1.38 |
mustEqual(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
779 |
dl |
1.3 |
} |
780 |
|
|
|
781 |
|
|
/** |
782 |
|
|
* reduceKeysInParallel accumulates across all keys |
783 |
|
|
*/ |
784 |
|
|
public void testReduceKeysInParallel() { |
785 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
786 |
|
|
Long r; |
787 |
dl |
1.9 |
r = m.reduceKeys(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
788 |
dl |
1.38 |
mustEqual((long)r, (long)SIZE * (SIZE - 1) / 2); |
789 |
dl |
1.3 |
} |
790 |
|
|
|
791 |
|
|
/** |
792 |
|
|
* reduceValuesInParallel accumulates across all values |
793 |
|
|
*/ |
794 |
|
|
public void testReduceValuesInParallel() { |
795 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
796 |
|
|
Long r; |
797 |
dl |
1.9 |
r = m.reduceValues(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
798 |
dl |
1.38 |
mustEqual((long)r, (long)SIZE * (SIZE - 1)); |
799 |
dl |
1.3 |
} |
800 |
|
|
|
801 |
|
|
/** |
802 |
|
|
* reduceEntriesInParallel accumulate across all entries |
803 |
|
|
*/ |
804 |
|
|
public void testReduceEntriesInParallel() { |
805 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
806 |
|
|
Map.Entry<Long,Long> r; |
807 |
dl |
1.9 |
r = m.reduceEntries(1L, new AddKeys()); |
808 |
dl |
1.38 |
mustEqual(r.getKey().longValue(), (long)SIZE * (SIZE - 1) / 2); |
809 |
dl |
1.3 |
} |
810 |
|
|
|
811 |
jsr166 |
1.7 |
/** |
812 |
dl |
1.3 |
* Mapped reduceKeysSequentially accumulates mapped keys |
813 |
|
|
*/ |
814 |
|
|
public void testMapReduceKeysSequentially() { |
815 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
816 |
dl |
1.9 |
Long r = m.reduceKeys(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
817 |
dl |
1.3 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
818 |
dl |
1.38 |
mustEqual((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
819 |
dl |
1.3 |
} |
820 |
|
|
|
821 |
jsr166 |
1.7 |
/** |
822 |
dl |
1.3 |
* Mapped reduceValuesSequentially accumulates mapped values |
823 |
|
|
*/ |
824 |
|
|
public void testMapReduceValuesSequentially() { |
825 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
826 |
dl |
1.9 |
Long r = m.reduceValues(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), |
827 |
dl |
1.3 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
828 |
dl |
1.38 |
mustEqual((long)r, (long)4 * SIZE * (SIZE - 1)); |
829 |
dl |
1.3 |
} |
830 |
|
|
|
831 |
|
|
/** |
832 |
|
|
* reduceSequentially accumulates across all transformed mappings |
833 |
|
|
*/ |
834 |
|
|
public void testMappedReduceSequentially() { |
835 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
836 |
dl |
1.9 |
Long r = m.reduce(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
837 |
dl |
1.2 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
838 |
jsr166 |
1.4 |
|
839 |
dl |
1.38 |
mustEqual((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
840 |
dl |
1.3 |
} |
841 |
|
|
|
842 |
jsr166 |
1.7 |
/** |
843 |
dl |
1.3 |
* Mapped reduceKeysInParallel, accumulates mapped keys |
844 |
|
|
*/ |
845 |
|
|
public void testMapReduceKeysInParallel() { |
846 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
847 |
dl |
1.9 |
Long r = m.reduceKeys(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
848 |
dl |
1.3 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
849 |
dl |
1.38 |
mustEqual((long)r, (long)4 * SIZE * (SIZE - 1) / 2); |
850 |
dl |
1.3 |
} |
851 |
|
|
|
852 |
jsr166 |
1.7 |
/** |
853 |
dl |
1.3 |
* Mapped reduceValuesInParallel accumulates mapped values |
854 |
|
|
*/ |
855 |
|
|
public void testMapReduceValuesInParallel() { |
856 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
857 |
dl |
1.9 |
Long r = m.reduceValues(1L, (Long x) -> Long.valueOf(4 * x.longValue()), |
858 |
dl |
1.3 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
859 |
dl |
1.38 |
mustEqual((long)r, (long)4 * SIZE * (SIZE - 1)); |
860 |
dl |
1.3 |
} |
861 |
dl |
1.2 |
|
862 |
dl |
1.3 |
/** |
863 |
|
|
* reduceInParallel accumulate across all transformed mappings |
864 |
|
|
*/ |
865 |
|
|
public void testMappedReduceInParallel() { |
866 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
867 |
|
|
Long r; |
868 |
dl |
1.9 |
r = m.reduce(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), |
869 |
dl |
1.2 |
(Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue())); |
870 |
dl |
1.38 |
mustEqual((long)r, (long)3 * SIZE * (SIZE - 1) / 2); |
871 |
dl |
1.2 |
} |
872 |
|
|
|
873 |
jsr166 |
1.7 |
/** |
874 |
dl |
1.3 |
* reduceKeysToLongSequentially accumulates mapped keys |
875 |
dl |
1.2 |
*/ |
876 |
dl |
1.3 |
public void testReduceKeysToLongSequentially() { |
877 |
dl |
1.2 |
ConcurrentHashMap<Long, Long> m = longMap(); |
878 |
dl |
1.9 |
long lr = m.reduceKeysToLong(Long.MAX_VALUE, (Long x) -> x.longValue(), 0L, Long::sum); |
879 |
dl |
1.38 |
mustEqual(lr, (long)SIZE * (SIZE - 1) / 2); |
880 |
dl |
1.3 |
} |
881 |
dl |
1.2 |
|
882 |
jsr166 |
1.7 |
/** |
883 |
dl |
1.3 |
* reduceKeysToIntSequentially accumulates mapped keys |
884 |
|
|
*/ |
885 |
|
|
public void testReduceKeysToIntSequentially() { |
886 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
887 |
dl |
1.9 |
int ir = m.reduceKeysToInt(Long.MAX_VALUE, (Long x) -> x.intValue(), 0, Integer::sum); |
888 |
dl |
1.38 |
mustEqual(ir, SIZE * (SIZE - 1) / 2); |
889 |
dl |
1.3 |
} |
890 |
|
|
|
891 |
jsr166 |
1.7 |
/** |
892 |
dl |
1.3 |
* reduceKeysToDoubleSequentially accumulates mapped keys |
893 |
|
|
*/ |
894 |
|
|
public void testReduceKeysToDoubleSequentially() { |
895 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
896 |
dl |
1.9 |
double dr = m.reduceKeysToDouble(Long.MAX_VALUE, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
897 |
dl |
1.38 |
mustEqual(dr, (double)SIZE * (SIZE - 1) / 2); |
898 |
dl |
1.3 |
} |
899 |
dl |
1.2 |
|
900 |
jsr166 |
1.7 |
/** |
901 |
dl |
1.3 |
* reduceValuesToLongSequentially accumulates mapped values |
902 |
|
|
*/ |
903 |
|
|
public void testReduceValuesToLongSequentially() { |
904 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
905 |
dl |
1.9 |
long lr = m.reduceValuesToLong(Long.MAX_VALUE, (Long x) -> x.longValue(), 0L, Long::sum); |
906 |
dl |
1.38 |
mustEqual(lr, (long)SIZE * (SIZE - 1)); |
907 |
dl |
1.3 |
} |
908 |
|
|
|
909 |
jsr166 |
1.7 |
/** |
910 |
dl |
1.3 |
* reduceValuesToIntSequentially accumulates mapped values |
911 |
|
|
*/ |
912 |
|
|
public void testReduceValuesToIntSequentially() { |
913 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
914 |
dl |
1.9 |
int ir = m.reduceValuesToInt(Long.MAX_VALUE, (Long x) -> x.intValue(), 0, Integer::sum); |
915 |
dl |
1.38 |
mustEqual(ir, SIZE * (SIZE - 1)); |
916 |
dl |
1.3 |
} |
917 |
dl |
1.2 |
|
918 |
jsr166 |
1.7 |
/** |
919 |
dl |
1.3 |
* reduceValuesToDoubleSequentially accumulates mapped values |
920 |
|
|
*/ |
921 |
|
|
public void testReduceValuesToDoubleSequentially() { |
922 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
923 |
dl |
1.9 |
double dr = m.reduceValuesToDouble(Long.MAX_VALUE, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
924 |
dl |
1.38 |
mustEqual(dr, (double)SIZE * (SIZE - 1)); |
925 |
dl |
1.3 |
} |
926 |
dl |
1.2 |
|
927 |
jsr166 |
1.7 |
/** |
928 |
dl |
1.3 |
* reduceKeysToLongInParallel accumulates mapped keys |
929 |
|
|
*/ |
930 |
|
|
public void testReduceKeysToLongInParallel() { |
931 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
932 |
dl |
1.9 |
long lr = m.reduceKeysToLong(1L, (Long x) -> x.longValue(), 0L, Long::sum); |
933 |
dl |
1.38 |
mustEqual(lr, (long)SIZE * (SIZE - 1) / 2); |
934 |
dl |
1.3 |
} |
935 |
|
|
|
936 |
jsr166 |
1.7 |
/** |
937 |
dl |
1.3 |
* reduceKeysToIntInParallel accumulates mapped keys |
938 |
|
|
*/ |
939 |
|
|
public void testReduceKeysToIntInParallel() { |
940 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
941 |
dl |
1.9 |
int ir = m.reduceKeysToInt(1L, (Long x) -> x.intValue(), 0, Integer::sum); |
942 |
dl |
1.38 |
mustEqual(ir, SIZE * (SIZE - 1) / 2); |
943 |
dl |
1.3 |
} |
944 |
|
|
|
945 |
jsr166 |
1.7 |
/** |
946 |
dl |
1.3 |
* reduceKeysToDoubleInParallel accumulates mapped values |
947 |
|
|
*/ |
948 |
|
|
public void testReduceKeysToDoubleInParallel() { |
949 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
950 |
dl |
1.9 |
double dr = m.reduceKeysToDouble(1L, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
951 |
dl |
1.38 |
mustEqual(dr, (double)SIZE * (SIZE - 1) / 2); |
952 |
dl |
1.3 |
} |
953 |
dl |
1.2 |
|
954 |
jsr166 |
1.7 |
/** |
955 |
dl |
1.3 |
* reduceValuesToLongInParallel accumulates mapped values |
956 |
|
|
*/ |
957 |
|
|
public void testReduceValuesToLongInParallel() { |
958 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
959 |
dl |
1.9 |
long lr = m.reduceValuesToLong(1L, (Long x) -> x.longValue(), 0L, Long::sum); |
960 |
dl |
1.38 |
mustEqual(lr, (long)SIZE * (SIZE - 1)); |
961 |
dl |
1.3 |
} |
962 |
|
|
|
963 |
jsr166 |
1.7 |
/** |
964 |
dl |
1.3 |
* reduceValuesToIntInParallel accumulates mapped values |
965 |
|
|
*/ |
966 |
|
|
public void testReduceValuesToIntInParallel() { |
967 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
968 |
dl |
1.9 |
int ir = m.reduceValuesToInt(1L, (Long x) -> x.intValue(), 0, Integer::sum); |
969 |
dl |
1.38 |
mustEqual(ir, SIZE * (SIZE - 1)); |
970 |
dl |
1.3 |
} |
971 |
|
|
|
972 |
jsr166 |
1.7 |
/** |
973 |
dl |
1.3 |
* reduceValuesToDoubleInParallel accumulates mapped values |
974 |
|
|
*/ |
975 |
|
|
public void testReduceValuesToDoubleInParallel() { |
976 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
977 |
dl |
1.9 |
double dr = m.reduceValuesToDouble(1L, (Long x) -> x.doubleValue(), 0.0, Double::sum); |
978 |
dl |
1.38 |
mustEqual(dr, (double)SIZE * (SIZE - 1)); |
979 |
dl |
1.2 |
} |
980 |
|
|
|
981 |
|
|
/** |
982 |
dl |
1.3 |
* searchKeysSequentially returns a non-null result of search |
983 |
|
|
* function, or null if none |
984 |
dl |
1.2 |
*/ |
985 |
dl |
1.3 |
public void testSearchKeysSequentially() { |
986 |
dl |
1.2 |
ConcurrentHashMap<Long, Long> m = longMap(); |
987 |
|
|
Long r; |
988 |
dl |
1.9 |
r = m.searchKeys(Long.MAX_VALUE, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
989 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
990 |
dl |
1.9 |
r = m.searchKeys(Long.MAX_VALUE, (Long x) -> x.longValue() < 0L ? x : null); |
991 |
dl |
1.3 |
assertNull(r); |
992 |
|
|
} |
993 |
|
|
|
994 |
|
|
/** |
995 |
|
|
* searchValuesSequentially returns a non-null result of search |
996 |
|
|
* function, or null if none |
997 |
|
|
*/ |
998 |
|
|
public void testSearchValuesSequentially() { |
999 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
1000 |
|
|
Long r; |
1001 |
jsr166 |
1.20 |
r = m.searchValues(Long.MAX_VALUE, |
1002 |
|
|
(Long x) -> (x.longValue() == (long)(SIZE/2)) ? x : null); |
1003 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
1004 |
jsr166 |
1.20 |
r = m.searchValues(Long.MAX_VALUE, |
1005 |
|
|
(Long x) -> (x.longValue() < 0L) ? x : null); |
1006 |
dl |
1.3 |
assertNull(r); |
1007 |
|
|
} |
1008 |
|
|
|
1009 |
|
|
/** |
1010 |
|
|
* searchSequentially returns a non-null result of search |
1011 |
|
|
* function, or null if none |
1012 |
|
|
*/ |
1013 |
|
|
public void testSearchSequentially() { |
1014 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
1015 |
|
|
Long r; |
1016 |
dl |
1.9 |
r = m.search(Long.MAX_VALUE, (Long x, Long y) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1017 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
1018 |
dl |
1.9 |
r = m.search(Long.MAX_VALUE, (Long x, Long y) -> x.longValue() < 0L ? x : null); |
1019 |
dl |
1.3 |
assertNull(r); |
1020 |
|
|
} |
1021 |
|
|
|
1022 |
|
|
/** |
1023 |
|
|
* searchEntriesSequentially returns a non-null result of search |
1024 |
|
|
* function, or null if none |
1025 |
|
|
*/ |
1026 |
|
|
public void testSearchEntriesSequentially() { |
1027 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
1028 |
|
|
Long r; |
1029 |
dl |
1.9 |
r = m.searchEntries(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2) ? e.getKey() : null); |
1030 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
1031 |
dl |
1.9 |
r = m.searchEntries(Long.MAX_VALUE, (Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L ? e.getKey() : null); |
1032 |
dl |
1.2 |
assertNull(r); |
1033 |
dl |
1.3 |
} |
1034 |
dl |
1.2 |
|
1035 |
dl |
1.3 |
/** |
1036 |
|
|
* searchKeysInParallel returns a non-null result of search |
1037 |
|
|
* function, or null if none |
1038 |
|
|
*/ |
1039 |
|
|
public void testSearchKeysInParallel() { |
1040 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
1041 |
|
|
Long r; |
1042 |
dl |
1.9 |
r = m.searchKeys(1L, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1043 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
1044 |
dl |
1.9 |
r = m.searchKeys(1L, (Long x) -> x.longValue() < 0L ? x : null); |
1045 |
dl |
1.3 |
assertNull(r); |
1046 |
|
|
} |
1047 |
|
|
|
1048 |
|
|
/** |
1049 |
|
|
* searchValuesInParallel returns a non-null result of search |
1050 |
|
|
* function, or null if none |
1051 |
|
|
*/ |
1052 |
|
|
public void testSearchValuesInParallel() { |
1053 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
1054 |
|
|
Long r; |
1055 |
dl |
1.9 |
r = m.searchValues(1L, (Long x) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1056 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
1057 |
dl |
1.9 |
r = m.searchValues(1L, (Long x) -> x.longValue() < 0L ? x : null); |
1058 |
dl |
1.3 |
assertNull(r); |
1059 |
|
|
} |
1060 |
|
|
|
1061 |
|
|
/** |
1062 |
|
|
* searchInParallel returns a non-null result of search function, |
1063 |
|
|
* or null if none |
1064 |
|
|
*/ |
1065 |
|
|
public void testSearchInParallel() { |
1066 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
1067 |
|
|
Long r; |
1068 |
dl |
1.9 |
r = m.search(1L, (Long x, Long y) -> x.longValue() == (long)(SIZE/2) ? x : null); |
1069 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
1070 |
dl |
1.9 |
r = m.search(1L, (Long x, Long y) -> x.longValue() < 0L ? x : null); |
1071 |
dl |
1.3 |
assertNull(r); |
1072 |
|
|
} |
1073 |
|
|
|
1074 |
|
|
/** |
1075 |
|
|
* searchEntriesInParallel returns a non-null result of search |
1076 |
|
|
* function, or null if none |
1077 |
|
|
*/ |
1078 |
|
|
public void testSearchEntriesInParallel() { |
1079 |
|
|
ConcurrentHashMap<Long, Long> m = longMap(); |
1080 |
|
|
Long r; |
1081 |
dl |
1.9 |
r = m.searchEntries(1L, (Map.Entry<Long,Long> e) -> e.getKey().longValue() == (long)(SIZE/2) ? e.getKey() : null); |
1082 |
dl |
1.38 |
mustEqual((long)r, (long)(SIZE/2)); |
1083 |
dl |
1.9 |
r = m.searchEntries(1L, (Map.Entry<Long,Long> e) -> e.getKey().longValue() < 0L ? e.getKey() : null); |
1084 |
dl |
1.2 |
assertNull(r); |
1085 |
|
|
} |
1086 |
|
|
|
1087 |
jsr166 |
1.32 |
/** |
1088 |
|
|
* Tests performance of computeIfAbsent when the element is present. |
1089 |
|
|
* See JDK-8161372 |
1090 |
|
|
* ant -Djsr166.tckTestClass=ConcurrentHashMapTest -Djsr166.methodFilter=testcomputeIfAbsent_performance -Djsr166.expensiveTests=true tck |
1091 |
|
|
*/ |
1092 |
|
|
public void testcomputeIfAbsent_performance() { |
1093 |
|
|
final int mapSize = 20; |
1094 |
|
|
final int iterations = expensiveTests ? (1 << 23) : mapSize * 2; |
1095 |
|
|
final int threads = expensiveTests ? 10 : 2; |
1096 |
dl |
1.38 |
final ConcurrentHashMap<Item, Item> map = new ConcurrentHashMap<>(); |
1097 |
|
|
for (int i = 0; i < mapSize; i++) { |
1098 |
|
|
Item I = itemFor(i); |
1099 |
|
|
map.put(I, I); |
1100 |
|
|
} |
1101 |
jsr166 |
1.32 |
final ExecutorService pool = Executors.newFixedThreadPool(2); |
1102 |
|
|
try (PoolCleaner cleaner = cleaner(pool)) { |
1103 |
|
|
Runnable r = new CheckedRunnable() { |
1104 |
|
|
public void realRun() { |
1105 |
|
|
int result = 0; |
1106 |
|
|
for (int i = 0; i < iterations; i++) |
1107 |
dl |
1.38 |
result += map.computeIfAbsent(itemFor(i % mapSize), k -> itemFor(k.value * 2)).value; |
1108 |
jsr166 |
1.32 |
if (result == -42) throw new Error(); |
1109 |
|
|
}}; |
1110 |
|
|
for (int i = 0; i < threads; i++) |
1111 |
|
|
pool.execute(r); |
1112 |
|
|
} |
1113 |
|
|
} |
1114 |
|
|
|
1115 |
dl |
1.1 |
} |