method.setAccessible(true);

        String result = (String) method.invoke(keyMatchHelper, "JAVA");
        assertEquals("java", result);

        result = (String) method.invoke(keyMatchHelper, "Mixed_Case");
        assertEquals("mixed_case", result);

        result = (String) method.invoke(keyMatchHelper, (String) null);
        assertNull(result);

        result = (String) method.invoke(keyMatchHelper, "");

    public void testIsToOs() throws Exception {
        final int result = copy(is, os);
        assertThat(result, is(srcBytes.length));
        assertThat(os.toByteArray(), is(srcBytes));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testReaderToWriter() throws Exception {
        final int result = copy(reader, writer);
        assertThat(result, is(srcString.length()));

        byte[] data = createTestData(32);

        // When
        String result = Hexdump.toHexString(data, 0, data.length);

        // Then
        assertNotNull(result);
        assertFalse(result.isEmpty());
        // Should contain hex representation of first bytes
        assertTrue(result.startsWith("00010203"));
        assertEquals(64, result.length()); // 32 bytes * 2 chars per byte
    }

    @ParameterizedTest

  result.status(status)
  result.headers(headers)
  result.trailers(trailers)

  when (socketPolicy) {
    SocketPolicy.EXPECT_CONTINUE, SocketPolicy.CONTINUE_ALWAYS -> {
      result.add100Continue()
    }

    SocketPolicy.UPGRADE_TO_SSL_AT_END -> {
      result.inTunnel()
    }

    SocketPolicy.SHUTDOWN_SERVER_AFTER_RESPONSE -> {
      result.shutdownServer(true)
    }

    SocketPolicy.KEEP_OPEN -> {
      Unit

    Collection<V> result = multimap().asMap().get(k0());
    result.clear();
    assertGet(k0());
    assertEmpty(result);
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  public void testAddNullValue() {
    Collection<V> result = multimap().asMap().get(k0());
    assertTrue(result.add(null));

    }

    @Override
    protected <RESULT extends SearchLog> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setAccessType(DfTypeUtil.toString(source.get("accessType")));
            result.setClientIp(DfTypeUtil.toString(source.get("clientIp")));
            result.setHitCount(DfTypeUtil.toLong(source.get("hitCount")));

        Set<RequestData> result = crawlerThread.getAnchorSet("");
        assertNull(result, "getAnchorSet should return null for blank string");

        result = crawlerThread.getAnchorSet("   ");
        assertNull(result, "getAnchorSet should return null for whitespace string");
    }

    /**
     * Test getAnchorSet with list of URLs
     */
    @Test
    public void test_getAnchorSet_withList() {

    Iterable<Character> result = Traverser.forGraph(JAVADOC_GRAPH).breadthFirst('a');

    assertEqualCharNodes(result, "abcdef");
    assertEqualCharNodes(result, "abcdef");
  }

  @Test
  public void forGraph_breadthFirstIterable_javadocExample_canBeIteratedMultipleTimes() {
    Iterable<Character> result = Traverser.forGraph(JAVADOC_GRAPH).breadthFirst(charactersOf("bf"));

	}

	for i, testCase := range testCases {
		result := testCase.set.Clone()

		if !reflect.DeepEqual(result, testCase.set) {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.set, result)
		}

		result.add(testCase.targetIDToAdd)
		if reflect.DeepEqual(result, testCase.set) {
			t.Fatalf("test %v: result: expected: not equal, got: equal", i+1)
		}
	}
}

        String result = chain.normalize("  TEST CASE  ", "field");

        assertEquals("test_case", result);
    }

    @Test
    public void test_nullInput() throws Exception {
        NormalizerChain chain = new NormalizerChain();
        chain.add(new FullWidthToHalfWidthAlphabetNormalizer());

        String result = chain.normalize(null, "field");

        assertEquals(null, result);
    }