public void test_parseDate() {
        Date date;

        date = FessFunctions.parseDate("");
        assertNull(date);

        date = FessFunctions.parseDate("2004-04-01T12:34:56.123Z");
        assertEquals("2004-04-01T12:34:56.123Z", FessFunctions.formatDate(date));

        date = FessFunctions.parseDate("2004-04-01T12:34:56Z");
        assertEquals("2004-04-01T12:34:56.000Z", FessFunctions.formatDate(date));

  private static final Iterable<Integer> ITERABLE_1 = Arrays.asList(1);
  private static final Iterable<Integer> ITERABLE_12 = Arrays.asList(1, 2);
  private static final Iterable<Integer> ITERABLE_123 = Arrays.asList(1, 2, 3);
  private static final Iterable<@Nullable Integer> ITERABLE_NULL = Arrays.asList((Integer) null);
  private static final Iterable<@Nullable Integer> ITERABLE_NULL_NULL =

        assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!-- fo\no -->123"));
        assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!--\n foo -->123"));
        assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!-- foo -->123"));
        assertEquals("abc 123 ", fessXpathTransformer.removeCommentTag("abc<!-- foo1 -->123<!-- foo2 -->"));

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	pod := &corev1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "test",
			Namespace: "test",
			UID:       "1234",
		},
		Spec: corev1.PodSpec{
			NodeName: NodeName,
		},
		Status: corev1.PodStatus{
			PodIP: "11.1.1.12",
		},
	}
	ns := &corev1.Namespace{
		ObjectMeta: metav1.ObjectMeta{

        checkVersionsOrder("2.0-1", "2.0.1");
        checkVersionsOrder("2.0.1-klm", "2.0.1-lmn");
        checkVersionsOrder("2.0.1", "2.0.1-xyz");

        checkVersionsOrder("2.0.1", "2.0.1-123");
        checkVersionsOrder("2.0.1-xyz", "2.0.1-123");
    }

    @Test
    void testLeadingZeroes() {
        checkVersionsOrder("0.7", "2");
        checkVersionsOrder("0.2", "1.0.7");
    }

    @Test

        envMap.put("FESS_ENV_TEST", "123");
        filteredEnvMap = systemHelper.getFilteredEnvMap("^FESS_ENV.*");
        assertEquals(1, filteredEnvMap.size());
        assertEquals("123", filteredEnvMap.get("FESS_ENV_TEST"));

        filteredEnvMap = systemHelper.getFilteredEnvMap("^XFESS_ENV.*");
        assertEquals(0, filteredEnvMap.size());

        envMap.put("", "123");

  }

  private class FakeSocket(
    private val localAddress: InetAddress,
    private val localPort: Int,
    private val remoteAddress: InetAddress = localAddress,
    private val remotePort: Int = 1234,
  ) : Socket() {
    override fun getInetAddress() = remoteAddress

    override fun getLocalAddress() = localAddress

    override fun getLocalPort() = localPort

    override fun getPort() = remotePort
  }

        tags = PrunedTag.parse("a.link,div#123");
        assertEquals(2, tags.length);
        assertEquals("PrunedTag [tag=a, id=null, css=link, attrName=null, attrValue=null]", tags[0].toString());
        assertEquals("PrunedTag [tag=div, id=123, css=null, attrName=null, attrValue=null]", tags[1].toString());

        tags = PrunedTag.parse("a#test-a");

func TestPodsAppearsWithNilNetnsWhenEnsureIsUsed(t *testing.T) {
	p := newPodNetnsCache(openNsTestOverride)

	p.Ensure("123")

	found := false
	snap := p.ReadCurrentPodSnapshot()
	for k, v := range snap {
		if k == "123" && v == (WorkloadInfo{}) {
			found = true
		}
	}
	if !found {
		t.Fatalf("expected pod 123 to be in the cache")
	}
}

func TestUpsertPodCacheWithLiveNetns(t *testing.T) {

        assertEquals(value, ResourceUtil.resolve(value));

        value = "${abc.xyz}";
        assertEquals(value, ResourceUtil.resolve(value));

        System.setProperty("abc", "123");

        value = "${abc}";
        assertEquals("123", ResourceUtil.resolve(value));

        value = "xxx${abc}zzz";
        assertEquals("xxx123zzz", ResourceUtil.resolve(value));

        value = "${abc.xyz}";