return System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("windows");
    }

    private static boolean isMacOS() {
        return System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("mac");
    }

    private static boolean isAlpine() {
        return System.getProperty("java.vm.vendor").toLowerCase(Locale.ROOT).contains("alpine");
    }

    private static class ExecResult {

    if (!parentBuilder.getFeatures().contains(NoRecurse.DESCENDING)) {
      derivedSuites.add(createDescendingSuite(parentBuilder));
    }

    if (parentBuilder.getFeatures().contains(SERIALIZABLE)) {
      derivedSuites.add(createReserializedSuite(parentBuilder));
    }

    if (!parentBuilder.getFeatures().contains(NoRecurse.SUBMULTISET)) {

    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Integer.class), null)));
    assertThat(map.get(TypeToken.of(Integer.class))).isNull();
    assertThat(map.getInstance(Integer.class)).isNull();

    map.putInstance(Long.class, null);
    assertTrue(map.containsKey(TypeToken.of(Long.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Long.class), null)));

        try {
            response.getContentAsString();
            fail("Expected CurlException");
        } catch (CurlException e) {
            assertTrue(e.getMessage().contains("Failed to access the content"));
        }
    }

    @Test
    public void testGetContentAsStringWithContentException() {
        CurlResponse response = new CurlResponse();

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * This package contains the {@code mvn} tool implementation.
 */

            if (expectDirSlashMsg) {
                assertTrue(ex.getMessage().contains("directory must end with '/'"),
                        "Expected trailing slash message, was: " + ex.getMessage());
            } else {
                assertTrue(ex.getMessage().contains("invalid") || ex.getMessage().contains("invalid:"),
                        "Expected invalid list operation message, was: " + ex.getMessage());

            assertTrue("Content should contain stack trace elements", content.contains("\tat "));

        } finally {
            // Clean up
            Files.deleteIfExists(tempFile);
        }
    }

    @Test
    public void test_writeThreadDump_withInvalidPath() {
        // Test with invalid file path (directory that doesn't exist)

          parentBuilder) {
    List<TestSuite> derivedSuites = new ArrayList<>(super.createDerivedSuites(parentBuilder));

    if (!parentBuilder.getFeatures().contains(SUBSET_VIEW)) {
      // Other combinations are inherited from SortedSetTestSuiteBuilder.
      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.NO_BOUND, Bound.INCLUSIVE));

        doThrow(new SmbException("capability check failed")).when(transport).hasCapability(eq(42));
        SmbException ex = assertThrows(SmbException.class, () -> transport.hasCapability(42));
        assertTrue(ex.getMessage().contains("failed"));
        verify(transport).hasCapability(42);
    }

    // Edge: disconnected status toggles
    @ParameterizedTest
    @DisplayName("isDisconnected reflects current mocked state")

// Module misc contains binaries that pertain to specific platforms
// (Android, iOS, and WebAssembly), as well as some miscellaneous
// tests and tools.
module misc