Java Code Examples for java.util.AbstractMap#clear()

The following examples show how to use java.util.AbstractMap#clear() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AbstractMapTest.java    From j2objc with Apache License 2.0 6 votes vote down vote up 
/**
 * java.util.AbstractMap#clear()
 */
public void test_clear() {
    // normal clear()
    AbstractMap map = new HashMap();
    map.put(1, 1);
    map.clear();
    assertTrue(map.isEmpty());

    // Special entrySet return a Set with no clear method.
    AbstractMap myMap = new MocAbstractMap();
    try {
        myMap.clear();
        fail("Should throw UnsupportedOprationException");
    } catch (UnsupportedOperationException e) {
        // expected
    }
}
Example 2
Source File: TreeMapTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up 
/**
 * java.util.TreeMap#clone()
 */
public void test_clone() {
    // Test for method java.lang.Object java.util.TreeMap.clone()
    TreeMap clonedMap = (TreeMap) tm.clone();
    assertTrue("Cloned map does not equal the original map", clonedMap
            .equals(tm));
    assertTrue("Cloned map is the same reference as the original map",
            clonedMap != tm);
    for (Object element : objArray) {
        assertTrue("Cloned map contains incorrect elements", clonedMap
                .get(element.toString()) == tm.get(element.toString()));
    }

    TreeMap map = new TreeMap();
    map.put("key", "value");
    // get the keySet() and values() on the original Map
    Set keys = map.keySet();
    Collection values = map.values();
    assertEquals("values() does not work", "value", values.iterator()
            .next());
    assertEquals("keySet() does not work", "key", keys.iterator().next());
    AbstractMap map2 = (AbstractMap) map.clone();
    map2.put("key", "value2");
    Collection values2 = map2.values();
    assertTrue("values() is identical", values2 != values);
    // values() and keySet() on the cloned() map should be different
    assertEquals("values() was not cloned", "value2", values2.iterator()
            .next());
    map2.clear();
    map2.put("key2", "value3");
    Set key2 = map2.keySet();
    assertTrue("keySet() is identical", key2 != keys);
    assertEquals("keySet() was not cloned", "key2", key2.iterator().next());
}
Example 3
Source File: LinkedHashMapTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up 
/**
 * java.util.LinkedHashMap#clone()
 */
public void test_clone() {
    // Test for method java.lang.Object java.util.LinkedHashMap.clone()
    LinkedHashMap hm2 = (LinkedHashMap) hm.clone();
    assertTrue("Clone answered equivalent LinkedHashMap", hm2 != hm);
    for (int counter = 0; counter < hmSize; counter++)
        assertTrue("Clone answered unequal LinkedHashMap", hm
                .get(objArray2[counter]) == hm2.get(objArray2[counter]));

    LinkedHashMap map = new LinkedHashMap();
    map.put("key", "value");
    // get the keySet() and values() on the original Map
    Set keys = map.keySet();
    Collection values = map.values();
    assertEquals("values() does not work",
            "value", values.iterator().next());
    assertEquals("keySet() does not work",
            "key", keys.iterator().next());
    AbstractMap map2 = (AbstractMap) map.clone();
    map2.put("key", "value2");
    Collection values2 = map2.values();
    assertTrue("values() is identical", values2 != values);

    // values() and keySet() on the cloned() map should be different
    assertEquals("values() was not cloned",
            "value2", values2.iterator().next());
    map2.clear();
    map2.put("key2", "value3");
    Set key2 = map2.keySet();
    assertTrue("keySet() is identical", key2 != keys);
    assertEquals("keySet() was not cloned",
            "key2", key2.iterator().next());
}
Example 4
Source File: IdentityHashMapTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up 
/**
 * java.util.IdentityHashMap#clone()
 */
public void test_clone() {
    // Test for method java.lang.Object java.util.IdentityHashMap.clone()
    IdentityHashMap hm2 = (IdentityHashMap) hm.clone();
    assertTrue("Clone answered equivalent IdentityHashMap", hm2 != hm);
    for (int counter = 0; counter < hmSize; counter++)
        assertTrue("Clone answered unequal IdentityHashMap", hm
                .get(objArray2[counter]) == hm2.get(objArray2[counter]));

    IdentityHashMap map = new IdentityHashMap();
    map.put("key", "value");
    // get the keySet() and values() on the original Map
    Set keys = map.keySet();
    Collection values = map.values();
    assertEquals("values() does not work",
            "value", values.iterator().next());
    assertEquals("keySet() does not work",
            "key", keys.iterator().next());
    AbstractMap map2 = (AbstractMap) map.clone();
    map2.put("key", "value2");
    Collection values2 = map2.values();
    assertTrue("values() is identical", values2 != values);
    // values() and keySet() on the cloned() map should be different
    assertEquals("values() was not cloned",
            "value2", values2.iterator().next());
    map2.clear();
    map2.put("key2", "value3");
    Set key2 = map2.keySet();
    assertTrue("keySet() is identical", key2 != keys);
    assertEquals("keySet() was not cloned",
            "key2", key2.iterator().next());
}
Example 5
Source File: HashMapTest.java    From j2objc with Apache License 2.0 4 votes vote down vote up 
/**
 * java.util.HashMap#clone()
 */
public void test_clone() {
    // Test for method java.lang.Object java.util.HashMap.clone()
    HashMap hm2 = (HashMap) hm.clone();
    assertTrue("Clone answered equivalent HashMap", hm2 != hm);
    for (int counter = 0; counter < hmSize; counter++)
        assertTrue("Clone answered unequal HashMap", hm
                .get(objArray2[counter]) == hm2.get(objArray2[counter]));

    HashMap map = new HashMap();
    map.put("key", "value");
    // get the keySet() and values() on the original Map
    Set keys = map.keySet();
    Collection values = map.values();
    assertEquals("values() does not work",
            "value", values.iterator().next());
    assertEquals("keySet() does not work",
            "key", keys.iterator().next());
    AbstractMap map2 = (AbstractMap) map.clone();
    map2.put("key", "value2");
    Collection values2 = map2.values();
    assertTrue("values() is identical", values2 != values);
    // values() and keySet() on the cloned() map should be different
    assertEquals("values() was not cloned",
            "value2", values2.iterator().next());
    map2.clear();
    map2.put("key2", "value3");
    Set key2 = map2.keySet();
    assertTrue("keySet() is identical", key2 != keys);
    assertEquals("keySet() was not cloned",
            "key2", key2.iterator().next());

    // regresion test for HARMONY-4603
    HashMap hashmap = new HashMap();
    MockClonable mock = new MockClonable(1);
    hashmap.put(1, mock);
    assertEquals(1, ((MockClonable) hashmap.get(1)).i);
    HashMap hm3 = (HashMap) hashmap.clone();
    assertEquals(1, ((MockClonable) hm3.get(1)).i);
    mock.i = 0;
    assertEquals(0, ((MockClonable) hashmap.get(1)).i);
    assertEquals(0, ((MockClonable) hm3.get(1)).i);
}