#line 2 "suites/main_test.function"
/*
 * *** THIS FILE HAS BEEN MACHINE GENERATED ***
 *
 * This file has been machine generated using the script:
 * $generator_script
 *
 * Test file      : $test_file
 *
 * The following files were used to create this file.
 *
 *      Main code file      : $test_main_file
 *      Platform code file  : $test_platform_file
 *      Helper file         : $test_common_helper_file
 *      Test suite file     : $test_case_file
 *      Test suite data     : $test_case_data_file
 *
 */

#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#if !defined(_POSIX_C_SOURCE)
#define _POSIX_C_SOURCE 200112L // for fileno() from <stdio.h>
#endif
#endif

#if !defined(MBEDTLS_CONFIG_FILE)
#include <mbedtls/config.h>
#else
#include MBEDTLS_CONFIG_FILE
#endif

#if defined(MBEDTLS_USE_PSA_CRYPTO)
#include "psa/crypto.h"
#endif /* MBEDTLS_USE_PSA_CRYPTO */

#if defined(MBEDTLS_TEST_HOOKS)
#include "mbedtls/error.h"
#endif

/* Test code may use deprecated identifiers only if the preprocessor symbol
 * MBEDTLS_TEST_DEPRECATED is defined. When building tests, set
 * MBEDTLS_TEST_DEPRECATED explicitly if MBEDTLS_DEPRECATED_WARNING is
 * enabled but the corresponding warnings are not treated as errors.
 */
#if !defined(MBEDTLS_DEPRECATED_REMOVED) && !defined(MBEDTLS_DEPRECATED_WARNING)
#define MBEDTLS_TEST_DEPRECATED
#endif

/*----------------------------------------------------------------------------*/
/* Common helper code */

$test_common_helpers

#line $line_no "suites/main_test.function"


/*----------------------------------------------------------------------------*/
/* Test Suite Code */


#define TEST_SUITE_ACTIVE

$functions_code

#line $line_no "suites/main_test.function"


/*----------------------------------------------------------------------------*/
/* Test dispatch code */


/**
 * \brief       Evaluates an expression/macro into its literal integer value.
 *              For optimizing space for embedded targets each expression/macro
 *              is identified by a unique identifier instead of string literals.
 *              Identifiers and evaluation code is generated by script:
 *              $generator_script
 *
 * \param exp_id    Expression identifier.
 * \param out_value Pointer to int to hold the integer.
 *
 * \return       0 if exp_id is found. 1 otherwise.
 */
int get_expression( int32_t exp_id, int32_t * out_value )
{
    int ret = KEY_VALUE_MAPPING_FOUND;

    (void) exp_id;
    (void) out_value;

    switch( exp_id )
    {
$expression_code
#line $line_no "suites/main_test.function"
        default:
           {
                ret = KEY_VALUE_MAPPING_NOT_FOUND;
           }
           break;
    }
    return( ret );
}


/**
 * \brief       Checks if the dependency i.e. the compile flag is set.
 *              For optimizing space for embedded targets each dependency
 *              is identified by a unique identifier instead of string literals.
 *              Identifiers and check code is generated by script:
 *              $generator_script
 *
 * \param dep_id    Dependency identifier.
 *
 * \return       DEPENDENCY_SUPPORTED if set else DEPENDENCY_NOT_SUPPORTED
 */
int dep_check( int dep_id )
{
    int ret = DEPENDENCY_NOT_SUPPORTED;

    (void) dep_id;

    switch( dep_id )
    {
$dep_check_code
#line $line_no "suites/main_test.function"
        default:
            break;
    }
    return( ret );
}


/**
 * \brief       Function pointer type for test function wrappers.
 *
 * A test function wrapper decodes the parameters and passes them to the
 * underlying test function. Both the wrapper and the underlying function
 * return void. Test wrappers assume that they are passed a suitable
 * parameter array and do not perform any error detection.
 *
 * \param param_array   The array of parameters. Each element is a `void *`
 *                      which the wrapper casts to the correct type and
 *                      dereferences. Each wrapper function hard-codes the
 *                      number and types of the parameters.
 */
typedef void (*TestWrapper_t)( void **param_array );


/**
 * \brief       Table of test function wrappers. Used by dispatch_test().
 *              This table is populated by script:
 *              $generator_script
 *
 */
TestWrapper_t test_funcs[] =
{
$dispatch_code
#line $line_no "suites/main_test.function"
};

/**
 * \brief        Execute the test function.
 *
 *               This is a wrapper function around the test function execution
 *               to allow the setjmp() call used to catch any calls to the
 *               parameter failure callback, to be used. Calls to setjmp()
 *               can invalidate the state of any local auto variables.
 *
 * \param fp     Function pointer to the test function.
 * \param params Parameters to pass to the #TestWrapper_t wrapper function.
 *
 */
void execute_function_ptr(TestWrapper_t fp, void **params)
{
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
    mbedtls_test_enable_insecure_external_rng( );
#endif

#if defined(MBEDTLS_CHECK_PARAMS)
    mbedtls_test_param_failed_location_record_t location_record;

    if ( setjmp( mbedtls_test_param_failed_get_state_buf( ) ) == 0 )
    {
        fp( params );
    }
    else
    {
        /* Unexpected parameter validation error */
        mbedtls_test_param_failed_get_location_record( &location_record );
        mbedtls_test_fail( location_record.failure_condition,
                           location_record.line,
                           location_record.file );
    }

    mbedtls_test_param_failed_reset_state( );
#else
    fp( params );
#endif

#if defined(MBEDTLS_TEST_MUTEX_USAGE)
    mbedtls_test_mutex_usage_check( );
#endif /* MBEDTLS_TEST_MUTEX_USAGE */
}

/**
 * \brief        Dispatches test functions based on function index.
 *
 * \param func_idx    Test function index.
 * \param params      The array of parameters to pass to the test function.
 *                    It will be decoded by the #TestWrapper_t wrapper function.
 *
 * \return       DISPATCH_TEST_SUCCESS if found
 *               DISPATCH_TEST_FN_NOT_FOUND if not found
 *               DISPATCH_UNSUPPORTED_SUITE if not compile time enabled.
 */
int dispatch_test( size_t func_idx, void ** params )
{
    int ret = DISPATCH_TEST_SUCCESS;
    TestWrapper_t fp = NULL;

    if ( func_idx < (int)( sizeof( test_funcs ) / sizeof( TestWrapper_t ) ) )
    {
        fp = test_funcs[func_idx];
        if ( fp )
            execute_function_ptr(fp, params);
        else
            ret = DISPATCH_UNSUPPORTED_SUITE;
    }
    else
    {
        ret = DISPATCH_TEST_FN_NOT_FOUND;
    }

    return( ret );
}


/**
 * \brief       Checks if test function is supported in this build-time
 *              configuration.
 *
 * \param func_idx    Test function index.
 *
 * \return       DISPATCH_TEST_SUCCESS if found
 *               DISPATCH_TEST_FN_NOT_FOUND if not found
 *               DISPATCH_UNSUPPORTED_SUITE if not compile time enabled.
 */
int check_test( size_t func_idx )
{
    int ret = DISPATCH_TEST_SUCCESS;
    TestWrapper_t fp = NULL;

    if ( func_idx < (int)( sizeof(test_funcs)/sizeof( TestWrapper_t ) ) )
    {
        fp = test_funcs[func_idx];
        if ( fp == NULL )
            ret = DISPATCH_UNSUPPORTED_SUITE;
    }
    else
    {
        ret = DISPATCH_TEST_FN_NOT_FOUND;
    }

    return( ret );
}


$platform_code

#line $line_no "suites/main_test.function"

/*----------------------------------------------------------------------------*/
/* Main Test code */


/**
 * \brief       Program main. Invokes platform specific execute_tests().
 *
 * \param argc      Command line arguments count.
 * \param argv      Array of command line arguments.
 *
 * \return       Exit code.
 */
int main( int argc, const char *argv[] )
{
#if defined(MBEDTLS_TEST_HOOKS) && defined (MBEDTLS_ERROR_C)
    mbedtls_test_hook_error_add = &mbedtls_test_err_add_check;
#endif

    int ret = mbedtls_test_platform_setup();
    if( ret != 0 )
    {
        mbedtls_fprintf( stderr,
                         "FATAL: Failed to initialize platform - error %d\n",
                         ret );
        return( -1 );
    }

    ret = execute_tests( argc, argv );
    mbedtls_test_platform_teardown();
    return( ret );
}
