#include <assert.h>
#include <inttypes.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <zap/math.h>
#include <zap/mem.h>

#define test(_expr,_val,_cmp) \
	fprintf(stderr,"(" #_expr "): %" PRIXMAX "\n(" #_val "): %" PRIXMAX "\n",(uintmax_t)(_expr),(uintmax_t)(_val)); \
	if (!((_expr) _cmp (_val))) { \
		fputs("\x1B[91mFailure\x1B[0m (" #_cmp ")\n\n",stderr); \
		return EXIT_FAILURE; \
	} \
	fputs("\x1B[92mSuccess\x1B[0m (" #_cmp ")\n\n",stderr);

int main(void) {
	test(zap_bytelen,CHAR_BIT,==)
	test(sizeof (zap_i8),sizeof (unsigned char),==)
	/* bs */
	{
		/* standard */
		/* maximum */
		test(zap_minval_c, CHAR_MIN, ==)
		test(zap_minval_sc,SCHAR_MIN,==)
		test(zap_minval_s, SHRT_MIN, ==)
		test(zap_minval_i, INT_MIN,  ==)
		test(zap_minval_l, LONG_MIN, ==)
		test(zap_minval_ll,LLONG_MIN,==)
		/* minimum */
		test(zap_maxval_c, CHAR_MAX, ==)
		test(zap_maxval_sc,SCHAR_MAX,==)
		test(zap_maxval_uc,UCHAR_MAX,==)
		test(zap_maxval_s, SHRT_MAX, ==)
		test(zap_maxval_i, INT_MAX,  ==)
		test(zap_maxval_l, LONG_MAX, ==)
		test(zap_maxval_ll,LLONG_MAX,==)
		/* minimum-width */
		/* minimum */
		test(zap_minval_i8s, INT_LEAST8_MIN, ==)
		test(zap_minval_i01s,INT_LEAST16_MIN,==)
		test(zap_minval_i02s,INT_LEAST32_MIN,==)
		test(zap_minval_i04s,INT_LEAST64_MIN,==)
		/* maximum */
		test(zap_maxval_i8,  UINT_LEAST8_MAX, ==)
		test(zap_maxval_i01, UINT_LEAST16_MAX,==)
		test(zap_maxval_i02, UINT_LEAST32_MAX,==)
		test(zap_maxval_i04, UINT_LEAST64_MAX,==)
		test(zap_maxval_i8s, INT_LEAST8_MAX,  ==)
		test(zap_maxval_i01s,INT_LEAST16_MAX, ==)
		test(zap_maxval_i02s,INT_LEAST32_MAX, ==)
		test(zap_maxval_i04s,INT_LEAST64_MAX, ==)
	}
	/* math */
	{
		zap_i8 const val = zap_abs8(-0x80);
		test(val,0x80u,==)
	}
	{
		zap_quotrem8 const quotrem = zap_divmod8(0x45u,0x5u);
		test(quotrem.quot,0xDu,==)
		test(quotrem.rem, 0x4u,==)
	}
	{
		test(zap_divmod02(0x10000u,zap_exp8(0x3u,0x3u)).quot,0x97Bu,==) /* 3^(-3) */
		test(zap_exp8(0x0u,0x0u),0x1u,==)
		test(zap_exp8(0x0u,0x1u),0x0u,==)
	}
	/* mem */
	{
		zap_i8 const src[0x3Fu] = {
			0x02u,0x03u,0x05u,0x07u,0x0Bu,0x0Du,0x11u,0x13u,
			0x17u,0x1Du,0x1Fu,0x25u,0x29u,0x2Bu,0x2Fu,0x35u,
			0x3Bu,0x3Du,0x43u,0x47u,0x49u,0x4Fu,0x53u,0x59u,
			0x61u,0x65u,0x67u,0x6Bu,0x6Du,0x71u,0x7Fu,0x83u,
			0x89u,0x8Bu,0x95u,0x97u,0x9Du,0xA3u,0xA7u,0xADu,
			0xB3u,0xB5u,0xBFu,0xC1u,0xC5u,0xC7u,0xD3u,0xDFu,
			0xE3u,0xE5u,0xE9u,0xEFu,0xF1u,0xFBu,
		};
		zap_i8 dest[sizeof (src)];
		zap_cp(dest,src,sizeof (src));
		test(dest[0x00u],src[0x00u],==)
		test(dest[0x01u],src[0x01u],==)
		test(dest[0x02u],src[0x02u],==)
		test(dest[0x03u],src[0x03u],==)
		test(dest[0x04u],src[0x04u],==)
		test(dest[0x05u],src[0x05u],==)
		test(dest[0x06u],src[0x06u],==)
		test(dest[0x07u],src[0x07u],==)
		test(dest[0x08u],src[0x08u],==)
		test(dest[0x09u],src[0x09u],==)
		test(dest[0x0Au],src[0x0Au],==)
		test(dest[0x0Bu],src[0x0Bu],==)
		test(dest[0x0Cu],src[0x0Cu],==)
		test(dest[0x0Du],src[0x0Du],==)
		test(dest[0x0Eu],src[0x0Eu],==)
		test(dest[0x0Fu],src[0x0Fu],==)
		test(dest[0x10u],src[0x10u],==)
		test(dest[0x11u],src[0x11u],==)
		test(dest[0x12u],src[0x12u],==)
		test(dest[0x13u],src[0x13u],==)
		test(dest[0x14u],src[0x14u],==)
		test(dest[0x15u],src[0x15u],==)
		test(dest[0x16u],src[0x16u],==)
		test(dest[0x17u],src[0x17u],==)
		test(dest[0x18u],src[0x18u],==)
		test(dest[0x19u],src[0x19u],==)
		test(dest[0x1Au],src[0x1Au],==)
		test(dest[0x1Bu],src[0x1Bu],==)
		test(dest[0x1Cu],src[0x1Cu],==)
		test(dest[0x1Du],src[0x1Du],==)
		test(dest[0x1Eu],src[0x1Eu],==)
		test(dest[0x1Fu],src[0x1Fu],==)
		test(dest[0x20u],src[0x20u],==)
		test(dest[0x21u],src[0x21u],==)
		test(dest[0x22u],src[0x22u],==)
	}
	{
		zap_i04 val = 0x0u;
		zap_fill(&val,~(zap_i8)0x0u,sizeof (val));
		test(val,~(zap_i04)0x0u,==)
	}
	{
		zap_i01 const val0 = 0x4545u;
		zap_i01 const val1 = 0x4545u;
		zap_i01 const val2 = 0x4560u;
		test(zap_eq(&val0,&val1,sizeof (val0)),0x1u,==)
		test(zap_eq(&val0,&val2,sizeof (val0)),0x0u,==)
	}
	{
		zap_i8 const arr[] = {
			0x45u,
			0x60u,
			0x7Fu,
			0xFFu,
		};
		test(zap_srch(arr,0x7Fu,sizeof (arr)),&arr[0x2u],==)
	}
	{
		zap_i8 const utf8[] = {
			0x26u,
			0xC3u,
			0xB0u,
			0xE0u,
			0xB6u,
			0x9Eu,
			0xE2u,
			0x86u,
			0x8Au,
			0xE2u,
			0x86u,
			0x8Bu,
			0xF0u,
			0x9Fu,
			0x97u,
			0xBFu,
			0x0u,
		};
		zap_sz const enclen = zap_utf8declen(utf8);
		test(enclen,0x6u,==)
		zap_i02 * const utf02 = malloc(sizeof (zap_i02) * (enclen + 0x1u));
		if (utf02 == zap_nullptr) {
			fputs("Memory allocation failed!\n",stderr);
			return EXIT_FAILURE;
		}
		zap_utf8dec(utf02,utf8);
		test(utf02[0x0u],0x26u,   ==)
		test(utf02[0x1u],0xF0u,   ==)
		test(utf02[0x2u],0xD9Eu,  ==)
		test(utf02[0x3u],0x218Au, ==)
		test(utf02[0x4u],0x218Bu, ==)
		test(utf02[0x5u],0x1F5FFu,==)
		test(utf02[0x6u],0x0u,    ==)
		free(utf02);
	}
	{
		zap_i02 const utf02[] = {
			0x26u,
			0xF0u,
			0xD9Eu,
			0x218Au,
			0x218Bu,
			0x1F5FFu,
			0x0u,
		};
		zap_sz const enclen = zap_utf8enclen(utf02);
		test(enclen,0x10u,==)
		zap_i8 * const utf8 = malloc(enclen + 0x1u);
		if (utf8 == zap_nullptr) {
			fputs("Memory allocation failed!\n",stderr);
			return EXIT_FAILURE;
		}
		zap_utf8enc(utf8,utf02);
		test(utf8[0x0u], 0x26u,==)
		test(utf8[0x1u], 0xC3u,==)
		test(utf8[0x2u], 0xB0u,==)
		test(utf8[0x3u], 0xE0u,==)
		test(utf8[0x4u], 0xB6u,==)
		test(utf8[0x5u], 0x9Eu,==)
		test(utf8[0x6u], 0xE2u,==)
		test(utf8[0x7u], 0x86u,==)
		test(utf8[0x8u], 0x8Au,==)
		test(utf8[0x9u], 0xE2u,==)
		test(utf8[0xAu], 0x86u,==)
		test(utf8[0xBu], 0x8Bu,==)
		test(utf8[0xCu], 0xF0u,==)
		test(utf8[0xDu], 0x9Fu,==)
		test(utf8[0xEu], 0x97u,==)
		test(utf8[0xFu], 0xBFu,==)
		test(utf8[0x10u],0x0u, ==)
		free(utf8);
	}
	{
		zap_i8 const win1252[] = {
			0x26u,
			0xF0u,
			0x80u,
			0x82u,
			0x83u,
			0x84u,
			0x85u,
			0x86u,
			0x87u,
			0x88u,
			0x89u,
			0x8Au,
			0x8Bu,
			0x8Cu,
			0x8Eu,
			0x91u,
			0x92u,
			0x93u,
			0x94u,
			0x95u,
			0x96u,
			0x97u,
			0x98u,
			0x99u,
			0x9Au,
			0x9Bu,
			0x9Cu,
			0x9Eu,
			0x9Fu,
			0x0u,
		};
		zap_sz const enclen = sizeof (win1252) - 0x1u;
		test(enclen,0x1Du,==)
		zap_i02 * const utf02 = malloc(sizeof (zap_i02) * (enclen + 0x1u));
		if (utf02 == zap_nullptr) {
			fputs("Memory allocation failed!\n",stderr);
			return EXIT_FAILURE;
		}
		zap_win1252dec(utf02,win1252);
		test(utf02[0x0u], 0x26u,  ==);
		test(utf02[0x1u], 0xF0u,  ==);
		test(utf02[0x2u], 0x20ACu,==);
		test(utf02[0x3u], 0x201Au,==);
		test(utf02[0x4u], 0x192u, ==);
		test(utf02[0x5u], 0x201Eu,==);
		test(utf02[0x6u], 0x2026u,==);
		test(utf02[0x7u], 0x2020u,==);
		test(utf02[0x8u], 0x2021u,==);
		test(utf02[0x9u], 0x2C6u, ==);
		test(utf02[0xAu], 0x2030u,==);
		test(utf02[0xBu], 0x160u, ==);
		test(utf02[0xCu], 0x2039u,==);
		test(utf02[0xDu], 0x152u, ==);
		test(utf02[0xEu], 0x17Du, ==);
		test(utf02[0xFu], 0x2018u,==);
		test(utf02[0x10u],0x2019u,==);
		test(utf02[0x11u],0x201Cu,==);
		test(utf02[0x12u],0x201Du,==);
		test(utf02[0x13u],0x2022u,==);
		test(utf02[0x14u],0x2013u,==);
		test(utf02[0x15u],0x2014u,==);
		test(utf02[0x16u],0x2DCu, ==);
		test(utf02[0x17u],0x2122u,==);
		test(utf02[0x18u],0x161u, ==);
		test(utf02[0x19u],0x203Au,==);
		test(utf02[0x1Au],0x153u, ==);
		test(utf02[0x1Bu],0x17Eu, ==);
		test(utf02[0x1Cu],0x178u, ==);
		test(utf02[0x1Du],0x0u,   ==);
		free(utf02);
	}
	{
		zap_i02 const utf02[] = {
			0x26u,
			0xF0u,
			0x20ACu,
			0x201Au,
			0x192u,
			0x201Eu,
			0x2026u,
			0x2020u,
			0x2021u,
			0x2C6u,
			0x2030u,
			0x160u,
			0x2039u,
			0x152u,
			0x17Du,
			0x2018u,
			0x2019u,
			0x201Cu,
			0x201Du,
			0x2022u,
			0x2013u,
			0x2014u,
			0x2DCu,
			0x2122u,
			0x161u,
			0x203Au,
			0x153u,
			0x17Eu,
			0x178u,
			0x0u,
		};
		zap_sz const enclen = sizeof (utf02) / sizeof (utf02[0x0u]) - 0x1u;
		test(enclen,0x1Du,==)
		zap_i8 * const win1252 = malloc(enclen + 0x1u);
		if (win1252 == zap_nullptr) {
			fputs("Memory allocation failed!\n",stderr);
			return EXIT_FAILURE;
		}
		zap_win1252enc(win1252,utf02);
		test(win1252[0x0u], 0x26u,==);
		test(win1252[0x1u], 0xF0u,==);
		test(win1252[0x2u], 0x80u,==);
		test(win1252[0x3u], 0x82u,==);
		test(win1252[0x4u], 0x83u,==);
		test(win1252[0x5u], 0x84u,==);
		test(win1252[0x6u], 0x85u,==);
		test(win1252[0x7u], 0x86u,==);
		test(win1252[0x8u], 0x87u,==);
		test(win1252[0x9u], 0x88u,==);
		test(win1252[0xAu], 0x89u,==);
		test(win1252[0xBu], 0x8Au,==);
		test(win1252[0xCu], 0x8Bu,==);
		test(win1252[0xDu], 0x8Cu,==);
		test(win1252[0xEu], 0x8Eu,==);
		test(win1252[0xFu], 0x91u,==);
		test(win1252[0x10u],0x92u,==);
		test(win1252[0x11u],0x93u,==);
		test(win1252[0x12u],0x94u,==);
		test(win1252[0x13u],0x95u,==);
		test(win1252[0x14u],0x96u,==);
		test(win1252[0x15u],0x97u,==);
		test(win1252[0x16u],0x98u,==);
		test(win1252[0x17u],0x99u,==);
		test(win1252[0x18u],0x9Au,==);
		test(win1252[0x19u],0x9Bu,==);
		test(win1252[0x1Au],0x9Cu,==);
		test(win1252[0x1Bu],0x9Eu,==);
		test(win1252[0x1Cu],0x9Fu,==);
		test(win1252[0x1Du],0x0u, ==);
		free(win1252);
	}
	{
		char const * str0 = "Hello there!";
		char const * str1 = "";
		zap_sz const len0 = zap_strlen(str0);
		zap_sz const len1 = zap_strlen(str1);
		test(len0,0xCu,==);
		test(len1,0x0u,==);
	}
	{
		char const * str0 = "Cogito";
		char const * str1 = "Sum";
		zap_i8 const cmp0 = zap_streq(str0,str0);
		zap_i8 const cmp1 = zap_streq(str0,str1);
		test(cmp0,0x0u,>);
		test(cmp1,0x0u,==);
	}
}