builder.header("", "Value")
    }
    assertFailsWith<IllegalArgumentException> {
      builder.addHeader("", "Value")
    }
  }

  @Test
  fun headerAllowsTabOnlyInValues() {
    val builder = Request.Builder()
    builder.header("key", "sample\tvalue")
    assertFailsWith<IllegalArgumentException> {
      builder.header("sample\tkey", "value")
    }
  }

<div class="wrapper">
    <jsp:include page="/WEB-INF/view/common/admin/header.jsp"></jsp:include>
    <jsp:include page="/WEB-INF/view/common/admin/sidebar.jsp">
        <jsp:param name="menuCategoryType" value="user"/>
        <jsp:param name="menuType" value="user"/>
    </jsp:include>
    <div class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">

	accessKey := globalActiveCred.AccessKey

	testCases := []struct {
		form     http.Header
		expected APIErrorCode
	}{
		// (0) It should fail if 'X-Amz-Credential' is missing.
		{
			form:     http.Header{},
			expected: ErrCredMalformed,
		},
		// (1) It should fail if the access key is incorrect.
		{
			form: http.Header{

	// Get hashed payload.
	hashedPayload := req.Header.Get("x-amz-content-sha256")
	if hashedPayload == "" {
		return "", fmt.Errorf("Invalid hashed payload")
	}

	// Set x-amz-date.
	req.Header.Set("x-amz-date", currTime.Format(iso8601Format))

	// Get header map.
	headerMap := make(map[string][]string)
	for k, vv := range req.Header {
		// If request header key is not in ignored headers, then add it.

<div class="wrapper">
    <jsp:include page="/WEB-INF/view/common/admin/header.jsp"></jsp:include>
    <jsp:include page="/WEB-INF/view/common/admin/sidebar.jsp">
        <jsp:param name="menuCategoryType" value="system"/>
        <jsp:param name="menuType" value="dict"/>
    </jsp:include>
    <div class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">

  @Test
  fun upgradeRefusedByServer() {
    server.enqueue(MockResponse(body = "normal request"))
    val requestWithUpgrade =
      Request
        .Builder()
        .url(server.url("/"))
        .header("Connection", "upgrade")
        .build()
    client.newCall(requestWithUpgrade).execute().use { response ->
      assertThat(response.code).isEqualTo(200)
      assertThat(response.socket).isNull()

            assertNotNull(exception);
            assertEquals(123, exception.getErrorCode());
        }
    }

    @Nested
    @DisplayName("Header Encoding Tests")
    class HeaderEncodingTests {

        @Test
        @DisplayName("encode_header should write all header fields")
        void testEncodeHeader() throws NdrException {
            message.ptype = DcerpcConstants.RPC_PT_REQUEST;

            // Create buffer with one v3 referral
            byte[] testBuffer = new byte[100];
            ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

            // DfsReferralResponseBuffer header
            bb.putShort((short) 16); // pathConsumed (will be divided by 2 = 8)
            bb.putShort((short) 1); // numReferrals
            bb.putShort((short) 5); // tflags

    @Test
    void testConstructorInvalidVersion() throws IOException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);

        // Write header with invalid version
        dos.writeInt(Integer.reverseBytes(1)); // 1 buffer
        dos.writeInt(Integer.reverseBytes(999)); // Invalid version

        // Add minimal buffer entry

        return request(Method.GET, path).header("Content-Type", "application/json");
    }

    /**
     * Creates a POST request for the specified path.
     * @param path the request path
     * @return the configured CurlRequest
     */
    public CurlRequest post(final String path) {
        return request(Method.POST, path).header("Content-Type", "application/json");
    }

    /**