esp-mqtt/test/host/main/test_mqtt5_client.cpp

/*
 * SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#include <catch2/catch_test_macros.hpp>
#include <cstdint>

#include "esp_err.h"

extern "C" {
    esp_err_t test_mqtt5_check_inflight_maximum(uint16_t send_count, uint16_t receive_maximum);
    int test_mqtt5_increment_packet_counter_with_dup(void);
}

TEST_CASE("MQTT5 inflight quota uses an exact upper bound")
{
    REQUIRE(test_mqtt5_check_inflight_maximum(1, 2) == ESP_OK);
    REQUIRE(test_mqtt5_check_inflight_maximum(2, 2) == ESP_FAIL);
}

TEST_CASE("MQTT5 first send on a connection counts even when PUBLISH has DUP set")
{
    REQUIRE(test_mqtt5_increment_packet_counter_with_dup() == 1);
}