MockletHttpServletRequest req = getMockRequest();
        assertNull(accessTokenHelper.getAccessTokenFromRequest(req));
    }

    public void test_getAccessTokenFromRequest_bad1() {
        final String token = "INVALID _TOKEN0";
        MockletHttpServletRequest req = getMockRequest();
        req.addHeader("Authorization", token);
        try {
            accessTokenHelper.getAccessTokenFromRequest(req);
            fail();

    delegate.addRelatedGroup(group);
    items.addAll(ImmutableList.copyOf(group));
    return this;
  }

  /** Run tests on equivalence methods, throwing a failure on an invalid test */
  @CanIgnoreReturnValue
  public EquivalenceTester<T> test() {
    for (int run = 0; run < REPETITIONS; run++) {
      testItems();
      delegate.test();
    }
    return this;
  }

    public void test_getAvailableArtifacts_exception() {
        PluginHelper errorHelper = new PluginHelper() {
            @Override
            protected String[] getRepositories() {
                return new String[] { "invalid-repo" };
            }

            @Override
            protected String getRepositoryContent(String url) {
                throw new RuntimeException("Repository error");
            }
        };

		}
	}
}

// Test all s3 supported auth types.
func TestS3SupportedAuthType(t *testing.T) {
	type testCase struct {
		authT authType
		pass  bool
	}
	// List of all valid and invalid test cases.
	testCases := []testCase{
		// Test 1 - supported s3 type anonymous.
		{
			authT: authTypeAnonymous,
			pass:  true,
		},
		// Test 2 - supported s3 type presigned.
		{

    public void test_throwAndCatchWithCause() {
        // Test throwing and catching the exception with cause
        String expectedMessage = "System error occurred";
        Exception expectedCause = new IllegalStateException("Invalid state");

        try {
            throw new FessSystemException(expectedMessage, expectedCause);
        } catch (FessSystemException e) {
            assertEquals(expectedMessage, e.getMessage());

            this.request = new NetServerEnum2(th.getConfig(), locator.getURL().getHost(), NetServerEnum2.SV_TYPE_ALL);
        } else {
            throw new SmbException("The requested list operations is invalid: " + locator.getURL());
        }
        this.response = new NetServerEnum2Response(th.getConfig());

        this.treeHandle = th.acquire();
        try {
            this.next = open();

        final Reader rd = new StringReader(inputStr);
        try (TokenStream stream = createTokenStream(rd)) {
            if (stream == null) {
                throw new IOException("Invalid tokenizer.");
            }
            stream.reset();

            int offset = 0;
            while (stream.incrementToken()) {

 *
 * This class has a modern API. It avoids punitive checked exceptions: [toHttpUrl] throws
 * [IllegalArgumentException] on invalid input or [toHttpUrlOrNull] returns null if the input is an
 * invalid URL. You can even be explicit about whether each component has been encoded already.
 *
 * [idna]: http://www.unicode.org/reports/tr46/#ToASCII
 */
class HttpUrl private constructor(

        // StructureSize (2 bytes) - must be 44
        this.structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (this.structureSize != 44) {
            throw new SMBProtocolDecodingException("Invalid lease break structure size: " + this.structureSize);
        }
        bufferIndex += 2;

        // Reserved (2 bytes)
        bufferIndex += 2;

        // Flags (4 bytes)

    }

    public void test_stackTrace() {
        // Test that stack trace is properly maintained
        String message = "Stack trace test";
        Exception cause = new IllegalArgumentException("Invalid argument");
        ScriptEngineException exception = new ScriptEngineException(message, cause);

        // Verify stack trace exists
        StackTraceElement[] stackTrace = exception.getStackTrace();