// OK TO COPY / ADAPT any/all of this file if you understand (i.e., at your own risk)
// 
// This test is nowhere near adequate on its own.  It is provided to illustrate how to
// use helper functions to streamline your test code.
//
// This version requires C11.

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "json_c11.h"
#include "miniunit.h"
//#include "clog.h"  // only if you wish to use log_yellow(…), etc.


typedef struct {
    bool is_success;
    union {
        Element element;
        size_t error_idx;
    }; // *** ANONYMOUS union (C11) -- Requires update to .bashrc and/or Makefile
} ParseResult;


ParseResult _parse_json(char* s) {
    Element element;
    char* pos = s;
    bool is_success = parse_element(&element, &pos);
    if(is_success) {
        return (ParseResult) { .is_success = true,  .element = element }; // compound literal
    }
    else {
        return (ParseResult) { .is_success = false, .error_idx = pos - s };
    }
}


int test_parse_int() {
    mu_start();
    //──────────────────────────────────────────────────────
    ParseResult result = _parse_json("0");
    mu_check(result.is_success);
    if(result.is_success) {
        mu_check(result.element.type == ELEMENT_INT);
        mu_check(result.element.as_int == 0);
        free_element(result.element);  // should do nothing
    }

    // TODO:  Add more int tests

    //──────────────────────────────────────────────────────
    mu_end();
}


// TODO:  Add lots more test functions, including some that check for failure conditions.


void test_print_element() {
    // This uses diff testing, not miniunit.h.  Your Makefile probably already does both.
    // Otherwise (or if you're not using make), this command should work:
    // diff <(./test_json) expected.txt && echo "Test passed: diff" || echo "Test failed: diff"

    ParseResult result = _parse_json("1");
    print_element(result.element);
    fputc('\n', stdout);

    // Instead of repeating those 3 lines, create a helper that you can call like this:
    //
    //   _parse_then_print_element("1");
    //   _parse_then_print_element("0");
    //   …
    //
}


int main(int argc, char* argv[]) {
    mu_run(test_parse_int);
    // TODO:  Call all test_▒▒▒(…) functions that you add above.

    test_print_element(); // doesn't use miniunit; put expected output in expected.txt

    return EXIT_SUCCESS;
}
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