| 95 |
|
*/ |
| 96 |
|
public void testBug8186171() { |
| 97 |
|
if (!impl.supportsSetValue()) return; |
| 98 |
+ |
if (!atLeastJava10()) return; // jdk9 is abandoned |
| 99 |
|
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 100 |
|
final boolean permitsNullValues = impl.permitsNullValues(); |
| 101 |
|
final Object v1 = (permitsNullValues && rnd.nextBoolean()) |
| 142 |
|
|
| 143 |
|
/** |
| 144 |
|
* "Missing" test found while investigating JDK-8210280. |
| 145 |
< |
* See discussion on mailing list. |
| 145 |
< |
* TODO: randomize |
| 145 |
> |
* ant -Djsr166.tckTestClass=HashMapTest -Djsr166.methodFilter=testBug8210280 -Djsr166.runsPerTest=1000000 tck |
| 146 |
|
*/ |
| 147 |
|
public void testBug8210280() { |
| 148 |
< |
Map m = impl.emptyMap(); |
| 149 |
< |
for (int i = 0; i < 4; i++) m.put(7 + i * 16, 0); |
| 150 |
< |
Map more = impl.emptyMap(); |
| 151 |
< |
for (int i = 0; i < 128; i++) more.put(-i, 42); |
| 152 |
< |
m.putAll(more); |
| 153 |
< |
for (int i = 0; i < 4; i++) assertEquals(0, m.get(7 + i * 16)); |
| 148 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 149 |
> |
final int size1 = rnd.nextInt(32); |
| 150 |
> |
final int size2 = rnd.nextInt(128); |
| 151 |
> |
|
| 152 |
> |
final Map m1 = impl.emptyMap(); |
| 153 |
> |
for (int i = 0; i < size1; i++) { |
| 154 |
> |
int elt = rnd.nextInt(1024 * i, 1024 * (i + 1)); |
| 155 |
> |
assertNull(m1.put(impl.makeKey(elt), impl.makeValue(elt))); |
| 156 |
> |
} |
| 157 |
> |
|
| 158 |
> |
final Map m2 = impl.emptyMap(); |
| 159 |
> |
for (int i = 0; i < size2; i++) { |
| 160 |
> |
int elt = rnd.nextInt(Integer.MIN_VALUE + 1024 * i, |
| 161 |
> |
Integer.MIN_VALUE + 1024 * (i + 1)); |
| 162 |
> |
assertNull(m2.put(impl.makeKey(elt), impl.makeValue(-elt))); |
| 163 |
> |
} |
| 164 |
> |
|
| 165 |
> |
final Map m1Copy = impl.emptyMap(); |
| 166 |
> |
m1Copy.putAll(m1); |
| 167 |
> |
|
| 168 |
> |
m1.putAll(m2); |
| 169 |
> |
|
| 170 |
> |
for (Object elt : m2.keySet()) |
| 171 |
> |
assertEquals(m2.get(elt), m1.get(elt)); |
| 172 |
> |
for (Object elt : m1Copy.keySet()) |
| 173 |
> |
assertSame(m1Copy.get(elt), m1.get(elt)); |
| 174 |
> |
assertEquals(size1 + size2, m1.size()); |
| 175 |
> |
} |
| 176 |
> |
|
| 177 |
> |
/** |
| 178 |
> |
* 8222930: ConcurrentSkipListMap.clone() shares size variable between original and clone |
| 179 |
> |
*/ |
| 180 |
> |
public void testClone() { |
| 181 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 182 |
> |
final int size = rnd.nextInt(4); |
| 183 |
> |
final Map map = impl.emptyMap(); |
| 184 |
> |
for (int i = 0; i < size; i++) |
| 185 |
> |
map.put(impl.makeKey(i), impl.makeValue(i)); |
| 186 |
> |
final Map clone = cloneableClone(map); |
| 187 |
> |
if (clone == null) return; // not cloneable? |
| 188 |
> |
|
| 189 |
> |
assertEquals(size, map.size()); |
| 190 |
> |
assertEquals(size, clone.size()); |
| 191 |
> |
assertEquals(map.isEmpty(), clone.isEmpty()); |
| 192 |
> |
|
| 193 |
> |
clone.put(impl.makeKey(-1), impl.makeValue(-1)); |
| 194 |
> |
assertEquals(size, map.size()); |
| 195 |
> |
assertEquals(size + 1, clone.size()); |
| 196 |
> |
|
| 197 |
> |
clone.clear(); |
| 198 |
> |
assertEquals(size, map.size()); |
| 199 |
> |
assertEquals(0, clone.size()); |
| 200 |
> |
assertTrue(clone.isEmpty()); |
| 201 |
|
} |
| 202 |
|
|
| 203 |
|
// public void testFailsIntentionallyForDebugging() { |
