#define _POSIX_C_SOURCE 200809L
#include <criterion/criterion.h>
#include <criterion/new/assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "../../../src/utils/string_utils/string_utils.h"

TestSuite(insert_into);

Test(insert_into, basic)
{
    char *dest = strdup("The <WORD> is nice.");
    const char *src = "weather";
    size_t pos = 4;

    char *result = insert_into(dest, src, pos, 6);

    cr_expect(result != NULL);
    cr_expect(eq(str, result, "The weather is nice."));

    if (result)
        free(result);
}

Test(insert_into, begin)
{
    char *dest = strdup("Hello World!");
    const char *src = "Hi";
    size_t pos = 0;

    char *result = insert_into(dest, src, pos, 5);

    cr_expect(result != NULL);
    cr_expect(eq(str, result, "Hi World!"));

    if (result)
        free(result);
}

Test(insert_into, end)
{
    char *dest = strdup("The number is 1024");
    const char *src = "2048";
    size_t pos = 14;

    char *result = insert_into(dest, src, pos, 4);

    cr_expect(result != NULL);
    cr_expect(eq(str, result, "The number is 2048"));

    if (result)
        free(result);
}

Test(insert_into, big)
{
    char *dest = strdup("I could insert [VAR] here.");
    const char *src = "a very very long string";
    size_t pos = 15;

    char *result = insert_into(dest, src, pos, 5);

    cr_expect(result != NULL);
    cr_expect(eq(str, result, "I could insert a very very long string here."));

    if (result)
        free(result);
}

Test(insert_into, small)
{
    char *dest = strdup("I could insert [VARNAME_IS_SO_LONG] string here.");
    const char *src = "a short";
    size_t pos = 15;

    char *result = insert_into(dest, src, pos, 20);

    cr_expect(result != NULL);
    cr_expect(eq(str, result, "I could insert a short string here."));

    if (result)
        free(result);
}