TestMap map = new TestMap();
    map.put("foo", 1);
    assertEquals(Integer.valueOf(1), map.putIfAbsent("foo", 2));
    assertEquals(Integer.valueOf(1), map.get("foo"));
    assertThat(map.putIfAbsent("bar", 3)).isNull();
    assertEquals(Integer.valueOf(3), map.get("bar"));
  }

  public void testRemove() {
    TestMap map = new TestMap();
    map.put("foo", 1);
    assertFalse(map.remove("foo", 2));

        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        return requestBody;
    }

    private static final String NEW_SUFFIX = "_new";

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> requestBody = new HashMap<>();
        requestBody.put(KEY_PROPERTY, NAME_PREFIX + NEW_SUFFIX);
        return requestBody;
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {
        final BeanMap map = new BeanMap();
        map.put("aaa", 1);
        map.put("bbb", 2);
        assertThat(map.get("aaa"), is((Object) 1));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGet_NotContains() throws Exception {

        lru.put("aaa", "111");
        lru.put("bbb", "222");
        lru.put("ccc", "333");
        assertThat(lru.get("aaa"), is("111"));
        Iterator<String> i = lru.keySet().iterator();
        assertThat(i.next(), is("bbb"));
        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        lru.put("ddd", "444");
        assertThat(lru.size(), is(3));

            bb.putShort((short) 24); // altPathOffset
            bb.putShort((short) 28); // nodeOffset

            // Add path string at offset 20 (8 + 20 = 28)
            bb.position(28);
            bb.put("\\test\0".getBytes(StandardCharsets.UTF_16LE));

            int bytesDecoded = buffer.decode(testBuffer, 0, testBuffer.length);

            assertEquals(42, bytesDecoded); // 8 header + 34 referral

            for (Dependency dep : getDependencies()) {
                ret.put(dep.getArtifactId(), dep);
            }
            return ret;
        }

        // ${project.artifactMap(g:a:v)}
        public void addArtifact(Artifact a) {
            artifactMap.put(a.getGroupId() + ":" + a.getArtifactId() + ":" + a.getClassifier(), a);
        }

        // Clean lifecycle aliases
        phaseUpgrades.put("pre-clean", Lifecycle.BEFORE + Lifecycle.Phase.CLEAN);
        phaseUpgrades.put("post-clean", Lifecycle.AFTER + Lifecycle.Phase.CLEAN);

        // Default lifecycle aliases
        phaseUpgrades.put("pre-integration-test", Lifecycle.BEFORE + Lifecycle.Phase.INTEGRATION_TEST);
        phaseUpgrades.put("post-integration-test", Lifecycle.AFTER + Lifecycle.Phase.INTEGRATION_TEST);

            Document childDoc = Document.of(childPomXml);

            Map<Path, Document> pomMap = new HashMap<>();
            pomMap.put(Paths.get("/project/pom.xml"), parentDoc);
            pomMap.put(Paths.get("/project/child/pom.xml"), childDoc);

            UpgradeContext context = createMockContext();

        if (configId != null) {
            defaultDataMap.put(fessConfig.getIndexFieldConfigId(), configId);
        }
        //  expires
        if (documentExpires != null) {
            defaultDataMap.put(fessConfig.getIndexFieldExpires(), documentExpires);
        }
        // segment
        defaultDataMap.put(fessConfig.getIndexFieldSegment(), initParamMap.getAsString(Constants.SESSION_ID));

    @Test
    public void test_toLowerHyphen() {
        Map<String, Object> source = new HashMap<>();
        source.put("TestKey", "value1");
        source.put("AnotherTestKey", "value2");

        Map<String, Object> nested = new HashMap<>();
        nested.put("NestedKey", "nestedValue");
        source.put("NestedMap", nested);

        Map<String, Object> result = searchLogHelper.toLowerHyphen(source);