@Test
public void testReplaceWithKeyAnd2Params() throws Exception {
final SharedHashMap<CharSequence, CharSequence> map =
new SharedHashMapBuilder()
.minSegments(2)
.create(getPersistenceFile(), CharSequence.class, CharSequence.class);
map.put("key1", "one");
map.put("key2", "two");
assertEquals("one", map.get("key1"));
assertEquals("two", map.get("key2"));
final boolean result = map.replace("key1", "one", "newValue");
assertEquals(true, result);
assertEquals("newValue", map.get("key1"));
assertEquals("two", map.get("key2"));
// let and one more item for luck !
map.put("key3", "three");
assertEquals("three", map.get("key3"));
// and just for kicks we'll overwrite what we have
map.put("key3", "overwritten");
assertEquals("overwritten", map.get("key3"));
final boolean result2 = map.replace("key2", "two", "newValue2");
assertEquals(true, result2);
assertEquals("newValue2", map.get("key2"));
final boolean result3 = map.replace("newKey", "", "newValue");
assertEquals(false, result3);
final boolean result4 = map.replace("key2", "newValue2", "newValue2");
assertEquals(true, result4);
}
@Test
public void testReplaceWithKey() throws Exception {
final SharedHashMap<CharSequence, CharSequence> map =
new SharedHashMapBuilder()
.minSegments(2)
.create(getPersistenceFile(), CharSequence.class, CharSequence.class);
map.put("key1", "one");
map.put("key2", "two");
assertEquals(2, map.size());
assertEquals("one", map.get("key1"));
assertEquals("two", map.get("key2"));
assertTrue(map.containsKey("key1"));
assertTrue(map.containsKey("key2"));
final CharSequence result = map.replace("key1", "newValue");
assertEquals("one", result);
assertTrue(map.containsKey("key1"));
assertTrue(map.containsKey("key2"));
assertEquals(2, map.size());
assertEquals("newValue", map.get("key1"));
assertEquals("two", map.get("key2"));
assertTrue(map.containsKey("key1"));
assertTrue(map.containsKey("key2"));
assertFalse(map.containsKey("key3"));
assertEquals(2, map.size());
// let and one more item for luck !
map.put("key3", "three");
assertEquals(3, map.size());
assertTrue(map.containsKey("key1"));
assertTrue(map.containsKey("key2"));
assertTrue(map.containsKey("key3"));
assertEquals("three", map.get("key3"));
// and just for kicks we'll overwrite what we have
map.put("key3", "overwritten");
assertEquals("overwritten", map.get("key3"));
assertTrue(map.containsKey("key1"));
assertTrue(map.containsKey("key2"));
assertTrue(map.containsKey("key3"));
final CharSequence result2 = map.replace("key2", "newValue");
assertEquals("two", result2);
assertEquals("newValue", map.get("key2"));
final CharSequence result3 = map.replace("rubbish", "newValue");
assertEquals(null, result3);
assertFalse(map.containsKey("rubbish"));
assertEquals(3, map.size());
}