loadBalancer.setStrategy(LoadBalancingStrategy.WEIGHTED_RANDOM);
        when(mockChannelManager.getHealthyChannels()).thenReturn(Arrays.asList(channel1, channel2));

        // Test multiple selections to ensure it works
        for (int i = 0; i < 10; i++) {
            ChannelInfo selected = loadBalancer.selectChannel(mockMessage);
            assertTrue(Arrays.asList(channel1, channel2).contains(selected));
        }
    }

    ImmutableTypeToInstanceMap<Iterable<?>[]> map =
        ImmutableTypeToInstanceMap.<Iterable<?>[]>builder().put(type, array).build();
    assertEquals(1, map.size());
    // Redundant cast works around a javac bug.
    assertThat((Iterable<?>[]) map.getInstance(type)).asList().containsExactly(array[0]);
  }

  public void testWildcardType() {

    assertThat(escaper.escape("\0\uFFFF")).isEqualTo("\0\uFFFF");
  }

  public void testBuilderRetainsState() {
    // Setting a safe range and unsafe replacement works as expected.
    Escapers.Builder builder = Escapers.builder();
    builder.setSafeRange('a', 'z');
    builder.setUnsafeReplacement("X");

import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.Configuration;

/**
 * Unit tests for {@link SmbComFindClose2}.
 * The class is intentionally tiny – the tests mainly verify that the
 * parameter word (the session identifier) is written in little‑endian form
 * and that the {@code toString} helper contains the expected values.
 *
 * <p>The tests also exercise edge cases such as negative (wrap‑around) session

**Key Scenarios**:
- ✅ Validates non-null streams
- ✅ Throws CrawlerSystemException for null
- ✅ Called during getText execution
- ✅ Does not consume or modify stream
- ✅ Consistent behavior across multiple calls
- ✅ Works with various InputStream types

---

### 5. TextExtractorEnhancedTest.java
**Purpose**: Test TextExtractor improvements and encoding handling.

**Key Test Areas**:
- Improved error messages with encoding

And an `APIRoute` subclass to use that custom request class.

### Create a custom `GzipRequest` class { #create-a-custom-gziprequest-class }

/// tip

This is a toy example to demonstrate how it works, if you need Gzip support, you can use the provided [`GzipMiddleware`](../advanced/middleware.md#gzipmiddleware){.internal-link target=_blank}.

///

        assertEquals(sampleTimeMillis + serverTimeZoneOffset, response.getLastWriteTime());
        assertEquals(1024, response.getSize());
    }

    /**
     * Test of readParameterWordsWireFormat method with zero word count.
     */
    @Test
    public void testReadParameterWordsWireFormatWithZeroWordCount() {
        byte[] buffer = new byte[20];
        response.wordCount = 0;

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