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diff --git a/tests/auto/network/access/qrestaccessmanager/httptestserver_p.h b/tests/auto/network/access/qrestaccessmanager/httptestserver_p.h
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index 0000000000..0a94b2c8a6
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+++ b/tests/auto/network/access/qrestaccessmanager/httptestserver_p.h
@@ -0,0 +1,90 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#ifndef QRESTACCESSSMANAGER_HTTPTESTSERVER_P_H
+#define QRESTACCESSSMANAGER_HTTPTESTSERVER_P_H
+
+#include <QtNetwork/qtcpserver.h>
+#include <QtNetwork/qhttpheaders.h>
+
+#include <QtCore/qmap.h>
+#include <QtCore/qurl.h>
+
+#include <functional>
+
+// This struct is used for parsing the incoming network request data into, as well
+// as getting the response data from the testcase
+struct HttpData {
+    QUrl url;
+    int status = 0;
+    QByteArray body;
+    QByteArray method;
+    quint16 port = 0;
+    QPair<quint8, quint8> version;
+    QHttpHeaders headers;
+};
+
+struct ResponseControl
+{
+    bool respond = true;
+    qsizetype responseChunkSize = -1;
+    bool readyForNextChunk = true;
+};
+
+// Simple HTTP server. Currently supports only one concurrent connection
+class HttpTestServer : public QTcpServer
+{
+    Q_OBJECT
+
+public:
+    explicit HttpTestServer(QObject *parent = nullptr);
+    ~HttpTestServer() override;
+
+    // Returns this server's URL for the testcase to send requests to
+    QUrl url();
+
+    enum class State {
+        ReadingMethod,
+        ReadingUrl,
+        ReadingStatus,
+        ReadingHeader,
+        ReadingBody,
+        AllDone
+    } state = State::ReadingMethod;
+
+    enum class Method {
+        Unknown,
+        Head,
+        Get,
+        Put,
+        Patch,
+        Post,
+        Delete,
+        Custom,
+    } method = Method::Unknown;
+
+    // Parsing helpers for incoming data => HttpData
+    bool readMethod(QTcpSocket *socket);
+    bool readUrl(QTcpSocket *socket);
+    bool readStatus(QTcpSocket *socket);
+    bool readHeaders(QTcpSocket *socket);
+    bool readBody(QTcpSocket *socket);
+    // Parsing-time buffer in case data is received a small chunk at a time (readyRead())
+    QByteArray fragment;
+
+    // Settable callback for testcase. Gives the received request data, and takes in response data
+    using Handler = std::function<void(const HttpData &request, HttpData &response,
+                                       ResponseControl &control)>;
+    void setHandler(Handler handler) { m_handler = std::move(handler); }
+
+private slots:
+    void handleConnected();
+    void handleDataAvailable();
+
+private:
+    QTcpSocket *m_socket = nullptr;
+    HttpData m_request;
+    Handler m_handler = nullptr;
+};
+
+#endif // QRESTACCESSSMANAGER_HTTPTESTSERVER_P_H