#!/usr/bin/env bash

tmp_out="$(mktemp)"

if [ -f "${0%_test.c}.c" ]; then
	SRC="${0%_test.c}.c"
else
	SRC="$($(type -P basename) -- "${0%_test.c}.c")"
fi
grep -A9999 -- "[S]TART_OF_C_FILE" "${0}" | cc -Wall -Wextra -Werror -o "${tmp_out}" -xc "${SRC}" -

if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
  printf "\e[101;37m%s\e[m\n" "Could not compile"
  exit 1
fi

diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
rm -f -- "${tmp_out}"

exit -- "${exit_status}"
// START_OF_C_FILE
#include <stdio.h>
#include <unistd.h>

#define test(inp, func, ...) \
    do { \
        int old_stderr_fd = dup(2); \
        dup2(1, 2); \
        fprintf(stdout, "Case:%s:", inp); \
        fflush(stdout); \
        func(__VA_ARGS__); \
        fflush(stderr); \
        fflush(stdout); \
        dup2(old_stderr_fd, 2); \
    } while(0)

#define expect(inp, func, ...) \
    do { \
        int old_stdout_fd = dup(1); \
        dup2(2, 1); \
        fprintf(stderr, "Case:%s:", inp); \
        fflush(stderr); \
        func(__VA_ARGS__); \
        fflush(stderr); \
        fflush(stdout); \
        dup2(old_stdout_fd, 1); \
    } while(0)
// Don't delete above this comment

#include <ctype.h>

int ft_isdigit(int c);

int main(){
	test(  "Test output",     printf, "\n");
	expect("Expected output", printf, "\n");
	test(  "'0'", printf, "%d\n", ft_isdigit('0'));
	expect("'0'", printf, "%d\n",    isdigit('0'));
	test(  "'1'", printf, "%d\n", ft_isdigit('1'));
	expect("'1'", printf, "%d\n",    isdigit('1'));
	test(  "'2'", printf, "%d\n", ft_isdigit('2'));
	expect("'2'", printf, "%d\n",    isdigit('2'));
	test(  "'3'", printf, "%d\n", ft_isdigit('3'));
	expect("'3'", printf, "%d\n",    isdigit('3'));
	test(  "'4'", printf, "%d\n", ft_isdigit('4'));
	expect("'4'", printf, "%d\n",    isdigit('4'));
	test(  "'5'", printf, "%d\n", ft_isdigit('5'));
	expect("'5'", printf, "%d\n",    isdigit('5'));
	test(  "'6'", printf, "%d\n", ft_isdigit('6'));
	expect("'6'", printf, "%d\n",    isdigit('6'));
	test(  "'7'", printf, "%d\n", ft_isdigit('7'));
	expect("'7'", printf, "%d\n",    isdigit('7'));
	test(  "'8'", printf, "%d\n", ft_isdigit('8'));
	expect("'8'", printf, "%d\n",    isdigit('8'));
	test(  "'9'", printf, "%d\n", ft_isdigit('9'));
	expect("'9'", printf, "%d\n",    isdigit('9'));
	test(  "0", printf, "%d\n", ft_isdigit(0));
	expect("0", printf, "%d\n",    isdigit(0));
	test(  "1", printf, "%d\n", ft_isdigit(1));
	expect("1", printf, "%d\n",    isdigit(1));
	test(  "127", printf, "%d\n", ft_isdigit(127));
	expect("127", printf, "%d\n",    isdigit(127));
	return 0;
}