public static void assertMapEntryIsUnmodifiable(Entry<?, ?> entry) {
    try {
      // fine because the call is going to fail without modifying the entry
      @SuppressWarnings("unchecked")
      Entry<?, @Nullable Object> nullableValueEntry = (Entry<?, @Nullable Object>) entry;
      nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }

	}
	metrics := globalTierMetrics.Report()
	var succ, fail float64
	for _, metric := range metrics {
		switch metric.Description.Name {
		case tierRequestsSuccess:
			succ += metric.Value
		case tierRequestsFailure:
			fail += metric.Value
		}
	}
	if int(succ) != expSuccess {
		t.Fatalf("Expected %d successes but got %f", expSuccess, succ)
	}
	if int(fail) != expFailure {

    }

    // Test add method with null name
    public void test_add_nullName() {
        TestScriptEngine engine = new TestScriptEngine();
        try {
            scriptEngineFactory.add(null, engine);
            fail("Should throw IllegalArgumentException for null name");
        } catch (IllegalArgumentException e) {
            assertEquals("name or scriptEngine is null.", e.getMessage());
        }
    }

        } catch (IllegalArgumentException e) {
            fail();
        }

        try {
            settings.badword().add("");
            fail();
        } catch (IllegalArgumentException e) {
            assertTrue(true);
        }

        try {
            settings.badword().add("aaaa bbb");
            fail();
        } catch (IllegalArgumentException e) {
            assertTrue(true);

            fail();
        } catch (ChildUrlsException e) {
            String[] values = e.getChildUrlList().stream().map(d -> d.getUrl()).sorted().toArray(n -> new String[n]);
            assertEquals(0, values.length);
        }
        try (final ResponseData responseData = storageClient.doGet("")) {
            fail();
        } catch (CrawlerSystemException e) {

                  + ".");
      return;
    }
    fail();
  }

  public void testEqualsOnReturnValues_bad() throws Exception {
    try {
      tester.forAllPublicStaticMethods(BadEqualsFactory.class).testEquals();
    } catch (AssertionError expected) {
      return;
    }
    fail();
  }

  private static class BadEqualsFactory {

        // Arrange
        SmbPipeOutputStream out = newStream();
        CIFSException boom = new CIFSException("tree-fail");
        when(handle.ensureTreeConnected()).thenThrow(boom);

        // Act + Assert
        CIFSException ex = assertThrows(CIFSException.class, out::ensureTreeConnected);
        assertEquals("tree-fail", ex.getMessage());
        verify(handle, times(1)).ensureTreeConnected();
    }

    @Test

            cache.close();
            fail("Expected IOException for non-existent file");
        } catch (IOException e) {
            // Expected - file doesn't exist
        }
    }

    @Test
    public void testMemoryCacheWithNullData() {
        ContentCache cache = new ContentCache((byte[]) null);

        try (InputStream stream = cache.getInputStream()) {
            fail("Expected NullPointerException for null data");

	if sipHashElement := hashKey("SIPMOD", "This will fail", -1, testUUID); sipHashElement != -1 {
		t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
	}

	if sipHashElement := hashKey("SIPMOD", "This will fail", 0, testUUID); sipHashElement != -1 {
		t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
	}

	if sipHashElement := hashKey("UNKNOWN", "This will fail", 0, testUUID); sipHashElement != -1 {

        try {
            CrawlerStatus.valueOf("INVALID");
            fail("Should throw IllegalArgumentException for invalid value");
        } catch (IllegalArgumentException e) {
            // Expected
            assertTrue(e.getMessage().contains("INVALID"));
        }

        try {
            CrawlerStatus.valueOf("initializing"); // lowercase
            fail("Should throw IllegalArgumentException for lowercase value");