Examples with IdentityHashMap java.util.IdentityHashMap used on opensource projects

Example 76 with IdentityHashMap

use of java.util.IdentityHashMap in project j2objc by google.

the class IdentityHashMapTest method test_keyset_remove.

/**
	 * @tests java.util.IdentityHashMap#keySet()
	 * @tests java.util.IdentityHashMap#remove(java.lang.Object)
	 */
public void test_keyset_remove() {
    IdentityHashMap map = new IdentityHashMap();
    Integer key = new Integer(21);
    map.put(new Integer(1), null);
    map.put(new Integer(11), null);
    map.put(key, null);
    map.put(new Integer(31), null);
    map.put(new Integer(41), null);
    map.put(new Integer(51), null);
    map.put(new Integer(61), null);
    map.put(new Integer(71), null);
    map.put(new Integer(81), null);
    map.put(new Integer(91), null);
    Set set = map.keySet();
    Set newset = new HashSet();
    Iterator it = set.iterator();
    while (it.hasNext()) {
        Object element = it.next();
        if (element == key) {
            it.remove();
        } else
            newset.add(element);
    }
    int size = newset.size();
    assertTrue("keyset and newset don't have same size", newset.size() == size);
    assertTrue("element is in newset ", !newset.contains(key));
    assertTrue("element not removed from keyset", !set.contains(key));
    assertTrue("element not removed from map", !map.containsKey(key));
    assertTrue("newset and keyset do not have same elements 1", newset.equals(set));
    assertTrue("newset and keyset do not have same elements 2", set.equals(newset));
}

Example 77 with IdentityHashMap

use of java.util.IdentityHashMap in project j2objc by google.

the class IdentityHashMapTest method test_clone_scenario4.

public void test_clone_scenario4() {
    IdentityHashMap hashMap = new IdentityHashMap();
    Object cloneHashMap = hashMap.clone();
    assertNull(((IdentityHashMap) cloneHashMap).get((Object) null));
    hashMap.put((Object) null, cloneHashMap);
    assertNull(((IdentityHashMap) cloneHashMap).get((Object) null));
    assertEquals(cloneHashMap, hashMap.get((Object) null));
}

Example 78 with IdentityHashMap

use of java.util.IdentityHashMap in project j2objc by google.

the class IdentityHashMapTest method test_clone_scenario2.

public void test_clone_scenario2() {
    IdentityHashMap hashMap = new IdentityHashMap();
    assertEquals(0, hashMap.hashCode());
    Object cloneHashMap = hashMap.clone();
    hashMap.put("key", "value");
    assertEquals(1, hashMap.size());
    assertEquals(0, ((IdentityHashMap) cloneHashMap).size());
    assertEquals("value", hashMap.get("key"));
    assertNull(((IdentityHashMap) cloneHashMap).get("key"));
    assertTrue(0 != hashMap.hashCode());
    assertEquals(0, cloneHashMap.hashCode());
}

Example 79 with IdentityHashMap

use of java.util.IdentityHashMap in project j2objc by google.

the class IdentityHashMapTest method test_clone_scenario1.

public void test_clone_scenario1() {
    IdentityHashMap hashMap = new IdentityHashMap();
    assertEquals(0, hashMap.hashCode());
    Object cloneHashMap = hashMap.clone();
    ((IdentityHashMap) cloneHashMap).put("key", "value");
    assertEquals(0, hashMap.hashCode());
    assertTrue(0 != cloneHashMap.hashCode());
}

Example 80 with IdentityHashMap

use of java.util.IdentityHashMap in project j2objc by google.

the class IdentityHashMapTest method test_keySet_retainAll.

/**
	 * @tests java.util.IdentityHashMap#keySet()
	 */
public void test_keySet_retainAll() {
    IdentityHashMap map = new IdentityHashMap();
    for (int i = 0; i < 1000; i++) {
        map.put(new Integer(i), new Integer(i));
    }
    Set set = map.keySet();
    // retain all the elements
    boolean result = set.retainAll(set);
    assertTrue("retain all should return false", !result);
    assertEquals("did not retain all", 1000, set.size());
    // send empty set to retainAll
    result = set.retainAll(new TreeSet());
    assertTrue("retain all should return true", result);
    assertEquals("did not remove all elements in the map", 0, map.size());
    assertTrue("did not remove all elements in the keyset", set.isEmpty());
    Iterator it = set.iterator();
    assertTrue("keySet iterator still has elements", !it.hasNext());
}