public void test_putAndGet() {
        dataStoreParams.put("key1", "value1");
        assertEquals("value1", dataStoreParams.get("key1"));

        dataStoreParams.put("key2", 123);
        assertEquals(123, dataStoreParams.get("key2"));

        dataStoreParams.put("key3", null);
        assertNull(dataStoreParams.get("key3"));
    }

    // Test get for non-existent key
    public void test_getNonExistentKey() {

        String[] keys = entrySet.stream().map(Map.Entry::getKey).toArray(String[]::new);

        assertTrue("Should contain all keys", Arrays.asList(keys).contains("lang"));
        assertTrue("Should contain all keys", Arrays.asList(keys).contains("a_key"));
        assertTrue("Should contain all keys", Arrays.asList(keys).contains("b_key"));
        assertTrue("Should contain all keys", Arrays.asList(keys).contains("c_key"));

        sourceMap.put("key1", "value1");
        sourceMap.put("key2", 123);
        sourceMap.put("key3", true);
        event.setSourceMap(sourceMap);

        Map<String, Object> result = event.toSource();
        assertNotNull(result);
        assertEquals(3, result.size());
        assertEquals("value1", result.get("key1"));
        assertEquals(123, result.get("key2"));

	lru := lru.NewLRU[string, int](2, nil, time.Hour)
	lru.Add("key1", 1)
	lru.Add("key2", 2)
	lru.Add("key3", 3)

	if _, ok := lru.Get("key1"); ok {
		t.Errorf("Expected key1 to be removed, but it still exists")
	}
}

func TestLRU_Add_UnlimitedSize_NoEviction(t *testing.T) {
	lru := lru.NewLRU[string, int](0, nil, time.Hour)
	lru.Add("key1", 1)
	lru.Add("key2", 2)
	lru.Add("key3", 3)

	if _, ok := lru.Get("key1"); !ok {

        Smb2LeaseKey key1 = new Smb2LeaseKey(testBytes1);
        Smb2LeaseKey key2 = new Smb2LeaseKey(testBytes2);
        Smb2LeaseKey key3 = new Smb2LeaseKey(testBytes3);

        assertEquals(key1, key2);
        assertNotEquals(key1, key3);
        assertNotEquals(key1, null);
        assertNotEquals(key1, "not a lease key");
        assertEquals(key1, key1); // reflexive
    }

    @Test

            Smb2LeaseKey key3 = limitedManager.requestLease("/share/file3.txt", Smb2LeaseState.SMB2_LEASE_READ_CACHING);

            // key3 should definitely exist (just created)
            assertNotNull(limitedManager.getLease(key3));

            // key1 should have been evicted (oldest)
            assertNull(limitedManager.getLease(key1));

            // key2 should still exist (not the oldest)

    }

    public void test_integer() {
        Map<String, Object> doc = new HashMap<>();

        int expected3 = 999;
        doc.put("key3", expected3);
        assertEquals(expected3, DocumentUtil.getValue(doc, "key3", Integer.class));

        doc.put("key9", new ArrayList<Integer>(Arrays.asList(777, 888, 999)));
        assertEquals(777, DocumentUtil.getValue(doc, "key9", Integer.class));
    }

        Smb2LeaseKey key1 = new Smb2LeaseKey();
        Smb2LeaseKey key2 = new Smb2LeaseKey();
        Smb2LeaseKey key3 = new Smb2LeaseKey();

        when(baseLeaseManager.requestLease(dir1, DirectoryLeaseState.DIRECTORY_READ_HANDLE)).thenReturn(key1);
        when(baseLeaseManager.requestLease(dir2, DirectoryLeaseState.DIRECTORY_READ_HANDLE)).thenReturn(key2);

        paramMap = ParameterUtil.parse(value);
        assertEquals(3, paramMap.size());
        assertEquals("value1", paramMap.get("key1"));
        assertEquals("value2", paramMap.get("key2"));
        assertEquals("value3", paramMap.get("key3"));

        // Test with special characters in keys and values

        StringBuilder buf = new StringBuilder();

        monitorTarget.append(buf, "key1", () -> "value1");
        buf.append(",");
        monitorTarget.append(buf, "key2", () -> 123);
        buf.append(",");
        monitorTarget.append(buf, "key3", () -> null);

        assertEquals("\"key1\":\"value1\",\"key2\":123,\"key3\":null", buf.toString());
    }

    // Test append with empty string