host1.setDuplicateHostName("example.com");
        helper.duplicateHostList.add(host1);

        DuplicateHost host2 = new DuplicateHost();
        host2.setRegularName("secure.example.com");
        host2.setDuplicateHostName("www.example.com");
        helper.duplicateHostList.add(host2);

        String url = "http://example.com/test";
        String result = helper.convert(url);

            writer.write("   \n");
            writer.write("192.168.1.101 HOST2\n");
        }

        when(mockConfig.getLmHostsFileName()).thenReturn(lmhostsFile.getAbsolutePath());

        // Use getByName to trigger populate
        NbtAddress result = lmhosts.getByName("HOST1", mockContext);
        assertNotNull(result);
        result = lmhosts.getByName("HOST2", mockContext);
        assertNotNull(result);
    }

        testData.add(createRelatedContent("term1", "Content for host2", "host2"));
        testData.add(createRelatedContent("term2", "Content for default", ""));
        mockBhv.setTestData(testData);

        int count = relatedContentHelper.load();
        assertEquals(3, count); // Three virtual host keys: "host1", "host2", ""
    }

    public void test_getHostKey_emptyVirtualHost() {

        testData.add(createRelatedQuery("term1", new String[] { "query2" }, "host2"));
        testData.add(createRelatedQuery("term2", new String[] { "query3" }, ""));
        mockBhv.setTestData(testData);

        int count = relatedQueryHelper.load();
        assertEquals(3, count); // Three virtual host keys: "host1", "host2", ""
    }

    public void test_load_sameTermDifferentHosts() {

    void testHandlerEquality() throws Exception {
        // Create two URLs with the same handler
        URL url1 = new URL(null, "smb://host1/share1", handler);
        URL url2 = new URL(null, "smb://host2/share2", handler);

        // Both should use the same handler instance
        assertNotNull(url1);
        assertNotNull(url2);

        // Protocol should be consistent

    // Non-exhaustive tests because implementation is the same as resolve.
    val base = parse("http://host/a/b")
    assertThat(base.newBuilder("https://host2")!!.build())
      .isEqualTo(parse("https://host2/"))
    assertThat(base.newBuilder("//host2")!!.build())
      .isEqualTo(parse("http://host2/"))
    assertThat(base.newBuilder("/path")!!.build())
      .isEqualTo(parse("http://host/path"))
    assertThat(base.newBuilder("path")!!.build())