super.setUp();

        // Create a temporary test file
        testFile = File.createTempFile("test_mapping", ".txt");
        testFile.deleteOnExit();
        // Ensure the test file is initially empty
        try (java.io.FileWriter fw = new java.io.FileWriter(testFile)) {
            fw.write("");
        }

        // Create a temporary project.properties file for SystemHelper

    putEdge(1, 2);
    putEdge(3, 1);
  }

  // Element Mutation

  @Test
  public void putEdge_existingNodes() {
    assume().that(graphIsMutable()).isTrue();

    // Adding nodes initially for safety (insulating from possible future
    // modifications to proxy methods)
    addNode(N1);
    addNode(N2);

    assertThat(graphAsMutableGraph.putEdge(N1, N2)).isTrue();
  }

  @Test

    public void testAuthenticationTTL() throws InterruptedException {
        NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("user", "TTLTestPass123!");

        // Initially not expired
        assertFalse(auth.isExpired());

        // Set short TTL
        auth.setAuthenticationTTL(100); // 100 milliseconds
        assertEquals(100, auth.getAuthenticationTTL());

            assertEquals(expectedFlags, message.getFlags(), "Default flags should be set correctly");
            assertNull(message.getChallenge(), "Challenge should initially be null");
            assertNull(message.getTarget(), "Target should initially be null");
            assertNull(message.getTargetInformation(), "Target information should be null when no target is set");
        }

        @Test

        // Should not throw exception with invalid package
        protocolHelper.loadProtocols("org.invalid.package.does.not.exist");

        // Should have empty arrays initially
        assertEquals(0, protocolHelper.getWebProtocols().length);
        assertEquals(0, protocolHelper.getFileProtocols().length);
    }

    public void test_loadProtocols_emptyPackage() {

    void testBufDataStartInitialization() throws Exception {
        byte[] buffer = new byte[100];
        int bufferIndex = 0;

        // Set bufDataStart to 0 initially
        Field bufDataStartField = response.getClass().getSuperclass().getSuperclass().getDeclaredField("bufDataStart");
        bufDataStartField.setAccessible(true);
        bufDataStartField.set(response, 0);

    </mirror>
    -->
    <mirror>
      <id>maven-default-http-blocker</id>
      <mirrorOf>external:http:*</mirrorOf>
      <name>Pseudo repository to mirror external repositories initially using HTTP.</name>
      <url>http://0.0.0.0/</url>
      <blocked>true</blocked>
    </mirror>
  </mirrors>

  <!-- repositories

        assertTrue(rateLimiter.checkAttempt("user1", "192.168.1.9"), "Should still track account");
    }

    @Test
    public void testStatistics() throws Exception {
        // Initially stats should be zero
        AuthenticationRateLimiter.RateLimiterStats stats = rateLimiter.getStats();
        assertEquals(0, stats.getTotalBlocked());
        assertEquals(0, stats.getAccountsLocked());

	// 1 and 10,000.
	PartNumber int

	// Date and time at which the part was uploaded.
	LastModified time.Time

	// Entity tag returned when the part was initially uploaded.
	ETag string

	// Size in bytes of the part.
	Size int64

	// Real size of the object uploaded by client.
	ActualSize int64

	// Checksum values
	ChecksumCRC32     string

    EnumSet<E> set = EnumSet.noneOf(elementType);
    Iterables.addAll(set, iterable);
    return set;
  }

  // HashSet

  /**
   * Creates a <i>mutable</i>, initially empty {@code HashSet} instance.
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableSet#of()} instead. If {@code