Class AdvancedSchedulerTest

tests/test-scheduler-advanced-features.cpp:296–367

* @brief Test fixture class for advanced TaskScheduler features * * Provides setup and teardown for advanced feature tests, ensuring * clean state between tests and utility methods for complex scenarios. */

 * clean state between tests and utility methods for complex scenarios.
 */
class AdvancedSchedulerTest : public ::testing::Test {
protected:
    /**
     * @brief Set up test environment for advanced features
     *
     * Clears all test state and initializes timing system.
     * Prepares environment for testing complex feature interactions.
     */
    void SetUp() override {
        clearAdvancedTestOutput();
        advanced_callback_counter = 0;
        status_received = false;
        last_status_code = 0;
        timeout_occurred = false;
        task_self_destructed = false;
        global_status_request = nullptr;
        millis(); // Initialize timing
    }

    /**
     * @brief Clean up test environment after advanced feature tests
     *
     * Ensures no test artifacts affect subsequent tests.
     * Critical for maintaining test isolation in complex scenarios.
     */
    void TearDown() override {
        clearAdvancedTestOutput();
        advanced_callback_counter = 0;
        status_received = false;
        last_status_code = 0;
        timeout_occurred = false;
        task_self_destructed = false;
        global_status_request = nullptr;
    }

    /**
     * @brief Helper to run scheduler until condition or timeout for advanced tests
     *
     * Enhanced version that handles complex conditions involving multiple
     * tasks, status requests, and timeout scenarios.
     */
    bool runAdvancedSchedulerUntil(Scheduler& ts, std::function<bool()> condition, unsigned long timeout_ms = 2000) {
        return waitForCondition([&]() {
            ts.execute();
            return condition();
        }, timeout_ms);
    }

    /**
     * @brief Clear advanced test output buffer
     */
    void clearAdvancedTestOutput() {
        advanced_test_output.clear();
    }

    /**
     * @brief Get count of advanced test output entries
     */