FIrs

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+/**
+ * @file UDPStreamerTest.h
+ * @brief Header file for class UDPStreamerTest
+ * @date 13/05/2026
+ * @author Martino Ferrari
+ *
+ * @copyright Copyright 2015 F4E | European Joint Undertaking for ITER and
+ * the Development of Fusion Energy ('Fusion for Energy').
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved
+ * by the European Commission - subsequent versions of the EUPL (the "Licence")
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at: http://ec.europa.eu/idabc/eupl
+ *
+ * @warning Unless required by applicable law or agreed to in writing,
+ * software distributed under the Licence is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the Licence permissions and limitations under the Licence.
+ *
+ * @details This header file contains the declaration of the class UDPStreamerTest
+ * with all of its public, protected and private members. It may also include
+ * definitions for inline methods which need to be visible to the compiler.
+ */
+
+#ifndef UDPSTREAMERTEST_H_
+#define UDPSTREAMERTEST_H_
+
+/*---------------------------------------------------------------------------*/
+/*                        Standard header includes                           */
+/*---------------------------------------------------------------------------*/
+
+/*---------------------------------------------------------------------------*/
+/*                        Project header includes                            */
+/*---------------------------------------------------------------------------*/
+
+/*---------------------------------------------------------------------------*/
+/*                           Class declaration                               */
+/*---------------------------------------------------------------------------*/
+
+/**
+ * @brief Tests the UDPStreamer DataSource public methods.
+ */
+class UDPStreamerTest {
+public:
+
+    /**
+     * @brief Tests the default constructor.
+     */
+    bool TestConstructor();
+
+    /**
+     * @brief Tests Initialise with a fully valid configuration.
+     */
+    bool TestInitialise_Valid();
+
+    /**
+     * @brief Tests that a missing Port uses the default (44500).
+     */
+    bool TestInitialise_DefaultPort();
+
+    /**
+     * @brief Tests that MaxPayloadSize below the minimum is rejected.
+     */
+    bool TestInitialise_InvalidMaxPayloadSize();
+
+    /**
+     * @brief Tests that StackSize = 0 is rejected.
+     */
+    bool TestInitialise_ZeroStackSize();
+
+    /**
+     * @brief Tests GetBrokerName returns the correct broker for OutputSignals.
+     */
+    bool TestGetBrokerName_Output();
+
+    /**
+     * @brief Tests GetBrokerName returns empty string for InputSignals.
+     */
+    bool TestGetBrokerName_Input();
+
+    /**
+     * @brief Tests AllocateMemory allocates readyBuffer, scratchBuffer, wireBuffer.
+     */
+    bool TestAllocateMemory();
+
+    /**
+     * @brief Tests SetConfiguredDatabase with basic signal types.
+     */
+    bool TestSetConfiguredDatabase_BasicSignals();
+
+    /**
+     * @brief Tests SetConfiguredDatabase with a quantized float signal.
+     */
+    bool TestSetConfiguredDatabase_Quantized();
+
+    /**
+     * @brief Tests that quantization on a non-float signal is rejected.
+     */
+    bool TestSetConfiguredDatabase_InvalidQuantOnInteger();
+
+    /**
+     * @brief Tests that an unknown QuantizedType is rejected.
+     */
+    bool TestSetConfiguredDatabase_UnknownQuantType();
+
+    /**
+     * @brief Tests TimeMode = PacketTime (default).
+     */
+    bool TestSetConfiguredDatabase_TimeModePacket();
+
+    /**
+     * @brief Tests TimeMode = FullArray with a matching time signal.
+     */
+    bool TestSetConfiguredDatabase_TimeModeFullArray();
+
+    /**
+     * @brief Tests TimeMode = FirstSample with a scalar time signal.
+     */
+    bool TestSetConfiguredDatabase_TimeModeFirstSample();
+
+    /**
+     * @brief Tests that FirstSample without SamplingRate is rejected.
+     */
+    bool TestSetConfiguredDatabase_MissingSamplingRate();
+
+    /**
+     * @brief Tests that TimeSignal pointing to a non-existent signal is rejected.
+     */
+    bool TestSetConfiguredDatabase_InvalidTimeSignal();
+
+    /**
+     * @brief Tests that FullArray TimeMode with mismatched element counts is rejected.
+     */
+    bool TestSetConfiguredDatabase_FullArrayMismatch();
+
+    /**
+     * @brief Tests PrepareNextState starts the thread and opens the socket.
+     */
+    bool TestPrepareNextState();
+
+    /**
+     * @brief Tests Synchronise when no client is connected (must return true, no crash).
+     */
+    bool TestSynchronise_NoClient();
+
+    /**
+     * @brief Tests the full CONNECT → CONFIG → DATA → DISCONNECT flow via loopback UDP.
+     */
+    bool TestExecute_ConnectDataDisconnect();
+
+    /**
+     * @brief Tests that DATA packets are fragmented correctly for large payloads.
+     */
+    bool TestExecute_Fragmentation();
+
+    /**
+     * @brief Tests uint16 quantization: verifies that 0 maps to 0 and max maps to 65535.
+     */
+    bool TestQuantization_Uint16Extremes();
+
+    /**
+     * @brief Tests uint8 quantization: verifies clamping of out-of-range values.
+     */
+    bool TestQuantization_Uint8Clamping();
+
+    /**
+     * @brief Tests the GetPort() accessor.
+     */
+    bool TestGetPort();
+
+    /**
+     * @brief Tests the GetMaxPayloadSize() accessor.
+     */
+    bool TestGetMaxPayloadSize();
+
+    /**
+     * @brief Tests that IsClientConnected() returns false before any CONNECT.
+     */
+    bool TestIsClientConnected_InitiallyFalse();
+
+    /**
+     * @brief Tests AllocateMemory with 4 high-frequency int16[1000] packed channels (1 MSps).
+     */
+    bool TestHighFrequency_AllocateMemory();
+
+    /**
+     * @brief Tests that 4 int16[1000] channels produce exactly 6 fragments at MaxPayloadSize=1400.
+     * Payload: 8 (HRT) + 8 (T0/uint64) + 4×2000 (int16[1000]) = 8016 bytes;
+     * chunk = 1383 bytes → ceil(8016/1383) = 6 fragments.
+     */
+    bool TestHighFrequency_Fragmentation();
+
+    /**
+     * @brief Tests full CONNECT→DATA→DISCONNECT cycle with high-frequency packed signals.
+     * Reassembles all fragments and verifies the total payload size.
+     */
+    bool TestHighFrequency_DataIntegrity();
+};
+
+#endif /* UDPSTREAMERTEST_H_ */