path: root/lily-test.h

/****************************************************************
 *
 * ======== lily-test ========
 *
 * a midsize C unit testing library
 * copyright (c) 2022 kate swanson (sanine)
 *
 * This is anti-capitalist software, released for free use by individuals and
 * organizations that do not operate by capitalist principles.
 *
 * Permission is hereby granted, free of charge, to any person or
 * organization (the "User") obtaining a copy of this software and associated
 * documentation files (the "Software"), to use, copy, modify, merge,
 * distribute, and/or sell copies of the Software, subject to the following 
 * conditions:
 *
 * 1. The above copyright notice and this permission notice shall be included
 *    in all copies or modified versions of the Software.
 *
 * 2. The User is one of the following:
 *    a. An individual person, laboring for themselves
 *    b. A non-profit organization
 *    c. An educational institution
 *    d. An organization that seeks shared profit for all of its members, and
 *       allows non-members to set the cost of their labor
 *
 * 3. If the User is an organization with owners, then all owners are workers
 *    and all workers are owners with equal equity and/or equal vote.
 *
 * 4. If the User is an organization, then the User is not law enforcement or
 *    military, or working for or under either.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT EXPRESS OR IMPLIED WARRANTY OF
 * ANY KIND, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * https://anticapitalist.software/
 * https://sanine.net
 *
 ****************************************************************/


#ifndef LILY_TEST_H
#define LILY_TEST_H

#define LILY_VERSION_MAJOR 2
#define LILY_VERSION_MINOR 0
#define LILY_VERSION_PATCH 1

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>

#define STR_IMP(x) #x
#define STR(x) STR_IMP(x)
/* define SOURCE_PATH_SIZE to strip away the
   leading parts of the full compilation path */
#ifndef SOURCE_PATH_SIZE
#define LILY_LOCATION (__FILE__ ":" STR(__LINE__))
#else
#define LILY_LOCATION ((__FILE__ ":" STR(__LINE__)) + SOURCE_PATH_SIZE)
#endif

#define LILY_NULLSAFE(x) (x==NULL ? "(nil)" : x)
int lily_streq(const char *str1, const char *str2);


/* self-location macro */
#ifndef LILY_TEST_H_LOCATION
#define LILY_TEST_H_LOCATION "lily-test.h"
#endif


/* counter macros */
#define LILY_HEX_(x) 0x##x
#define LILY_HEX(x) LILY_HEX_(x)
#define LILY_COUNTER_POS_0 0
#define LILY_COUNTER_POS_1 0
#define LILY_COUNTER_POS_2 0
#define LILY_COUNTER__(a, b, c) 0x##a##b##c
#define LILY_COUNTER_(a, b, c) LILY_COUNTER__(a, b, c)
#define LILY_COUNTER LILY_COUNTER_(LILY_COUNTER_POS_2, LILY_COUNTER_POS_1, LILY_COUNTER_POS_0)

/* automatic registration macros */
typedef struct lily_ll_node_t {
	struct lily_ll_node_t *next;
	void (*f)();
} lily_ll_node_t;
#define LILY_FILE_BEGIN(unique_id) \
static lily_ll_node_t lily_ll_last = { NULL, NULL }; \
static void file_runner(); \
void (*unique_id)() = file_runner;

#define LILY_LIST_HEAD lily_ll_last
#define LILY_LIST_NEXT lily_ll_last
#define LILY_PUSH_TEST() LILY_TEST_H_LOCATION
#define LILY_REGISTER_TESTS() LILY_TEST_H_LOCATION

#define LILY_CAT_(x, y) x##y
#define LILY_CAT(x, y) LILY_CAT_(x, y)
#define LILY_ANON(x) LILY_CAT(x, LILY_COUNTER)
#define LILY_ANON_WRAP LILY_ANON(LILY_WRAP_)
#define LILY_ANON_FUNC LILY_ANON(LILY_FUNCTION_)
#define LILY_ANON_NODE LILY_ANON(LILY_NODE_)
#define LILY_ANON_DESC LILY_ANON(LILY_DESCRIPTION_)

#define LILY_TEST_(wrap, f, desc_str, description) \
static void f(); \
static void wrap() \
{ \
	lily_g.test_name = description; \
	f(); \
} \
static void f()

#define LILY_TEST(description) LILY_TEST_(LILY_ANON_WRAP, LILY_ANON_FUNC, LILY_ANON_DESC, description)

/* assertions */
typedef struct lily_test_msg_t {
	struct lily_test_msg_t *next;
	char *msg;
	const char *location;
} lily_test_msg_t;
void lily_msg_destroy(lily_test_msg_t *m);

void lily_info(const char *location, const char *fmt, ...);
#define LILY_INFO_(location, ...) \
	lily_info(location, __VA_ARGS__)
#define LILY_INFO(...) LILY_INFO_(LILY_LOCATION, __VA_ARGS__)
#define INFO(...) LILY_INFO(__VA_ARGS__)

void lily_check(int x, const char *location, const char *fmt, ...);
#define LILY_CHECK_(str, x, location) \
	lily_check(x, location, "CHECK failed: %s", str)
#define LILY_CHECK(x) LILY_CHECK_(STR(x), x, LILY_LOCATION)
#define CHECK(x) LILY_CHECK(x)

#define LILY_CHECK_CMP_(x, y, xstr, ystr, cmp, cmpstr, fmt) \
	lily_check(x cmp y, LILY_LOCATION, \
		"CHECK failed: %s " cmpstr " %s\n    %s = " fmt "\n    %s = " fmt,\
		xstr, ystr,  xstr, x,  ystr, y)
#define LILY_CHECK_CMP(x, cmp, y, fmt) LILY_CHECK_CMP_(x, y, #x, #y, cmp, #cmp, fmt)

/* check comparision assertions */
#define CHECK_EQ(x, y, fmt) LILY_CHECK_CMP(x, ==, y, fmt)
#define CHECK_NEQ(x, y, fmt) LILY_CHECK_CMP(x, !=, y, fmt)
#define CHECK_LT(x, y, fmt) LILY_CHECK_CMP(x, <, y, fmt)
#define CHECK_LE(x, y, fmt) LILY_CHECK_CMP(x, <=, y, fmt)
#define CHECK_GT(x, y, fmt) LILY_CHECK_CMP(x, >, y, fmt)
#define CHECK_GE(x, y, fmt) LILY_CHECK_CMP(x, >=, y, fmt)

#define LILY_CHECK_EQF(x, y, xstr, ystr, fmt) \
	lily_check(fabs(x-y) < lily_g.epsilon, LILY_LOCATION, \
		"CHECK failed: %s == %s\n    %s = " fmt "\n    %s = " fmt "\n    epsilon: %f", \
		xstr, ystr, xstr, x, ystr, y, lily_g.epsilon)
#define CHECK_EQF(x, y, fmt) LILY_CHECK_EQF(x, y, #x, #y, fmt)

#define LILY_CHECK_EQS(x, y, xstr, ystr) \
	lily_check(lily_streq(x, y), LILY_LOCATION, \
		"CHECK failed: %s == %s\n    %s = \"%s\"\n    %s = \"%s\"", \
		xstr, ystr,  xstr, x,  ystr, y)
#define CHECK_EQS(x, y) LILY_CHECK_EQS(x, y, #x, #y)


void lily_require(int x, const char *location, const char *fmt, ...);
#define LILY_REQUIRE_(str, x, location) \
	lily_require(x, location, "REQUIRE failed: %s", str)
#define LILY_REQUIRE(x) LILY_REQUIRE_(STR(x), x, LILY_LOCATION)
#define REQUIRE(x) LILY_REQUIRE(x)

#define LILY_REQUIRE_CMP_(x, y, xstr, ystr, cmp, cmpstr, fmt) \
	lily_require(x cmp y, LILY_LOCATION, \
		"REQUIRE failed: %s " cmpstr " %s\n    %s = " fmt "\n    %s = " fmt,\
		xstr, ystr,  xstr, x,  ystr, y)
#define LILY_REQUIRE_CMP(x, cmp, y, fmt) LILY_REQUIRE_CMP_(x, y, #x, #y, cmp, #cmp, fmt)

/* require comparison assertions */
#define REQUIRE_EQ(x, y, fmt) LILY_REQUIRE_CMP(x, ==, y, fmt)
#define REQUIRE_NEQ(x, y, fmt) LILY_REQUIRE_CMP(x, !=, y, fmt)
#define REQUIRE_LT(x, y, fmt) LILY_REQUIRE_CMP(x, <, y, fmt)
#define REQUIRE_LE(x, y, fmt) LILY_REQUIRE_CMP(x, <=, y, fmt)
#define REQUIRE_GT(x, y, fmt) LILY_REQUIRE_CMP(x, >, y, fmt)
#define REQUIRE_GE(x, y, fmt) LILY_REQUIRE_CMP(x, >=, y, fmt)

#define LILY_REQUIRE_EQF(x, y, xstr, ystr, fmt) \
	lily_require(fabs(x-y) < lily_g.epsilon, LILY_LOCATION, \
		"REQUIRE failed: %s == %s\n    %s = " fmt "\n    %s = " fmt "\n    epsilon: %f", \
		xstr, ystr, xstr, x, ystr, y, lily_g.epsilon)
#define REQUIRE_EQF(x, y, fmt) LILY_REQUIRE_EQF(x, y, #x, #y, fmt)

#define LILY_REQUIRE_EQS(x, y, xstr, ystr) \
	lily_require(lily_streq(x, y), LILY_LOCATION, \
		"REQUIRE failed: %s == %s\n    %s = \"%s\"\n    %s = \"%s\"", \
		xstr, ystr,  xstr, x,  ystr, y)
#define REQUIRE_EQS(x, y) LILY_REQUIRE_EQS(x, y, #x, #y)


void lily_begin();
void lily_finish();
void lily_run_test(void (*test)());
void lily_set_epsilon(double epsilon);


struct lily_global_t {
	int failed;
	jmp_buf env;
	const char *test_name;
	lily_test_msg_t HEAD;
	lily_test_msg_t *TAIL;
	int n_assertions;
	int n_assertions_failed;
	int n_tests;
	int n_tests_failed;
	double epsilon;
} extern lily_g;

#ifdef LILY_IMPLEMENTATION
struct lily_global_t lily_g;

lily_test_msg_t *lily_msg_create(const char *location, const char *fmt, va_list args)
{
	lily_test_msg_t *m = (lily_test_msg_t*) malloc(sizeof(lily_test_msg_t));
	if (m == NULL) {
		return NULL;
	}
	m->next = NULL;
	m->location = location;

	va_list args_len;
	va_copy(args_len, args);
	size_t len = vsnprintf(NULL, 0, fmt, args_len) + 1;
	va_end(args_len);

	m->msg = (char*) malloc(len * sizeof(char));
	if (m->msg == NULL) {
		free(m);
		return NULL;
	}
	vsnprintf(m->msg, len, fmt, args);

	return m;
}

void lily_msg_destroy(lily_test_msg_t *m)
{
	if (m == NULL) {
		/* ignore */
		return;
	}

	if (m->next != NULL) {
		// destroy the whole chain
		lily_msg_destroy(m->next);
	}

	free(m->msg);
	free(m);
}


void lily_run_test(void (*test)())
{
	lily_g.n_tests += 1;
	lily_g.HEAD.next = NULL;
	lily_g.TAIL = &(lily_g.HEAD);
	lily_g.failed = 0;
	int jumped = setjmp(lily_g.env);

	if (!jumped) {
		test();
	}

	if (lily_g.failed) {
		lily_g.n_tests_failed += 1;
		printf("================================================================================\n");
		printf("test \"%s\" failed!\n", lily_g.test_name);
		lily_test_msg_t *n = lily_g.HEAD.next;
		while(n != NULL) {
			printf("  %s\n    [%s]\n", n->msg, n->location);
			n = n->next;
		}
		lily_msg_destroy(lily_g.HEAD.next);
	}
}


void lily_info(const char *location, const char *fmt, ...)
{
	va_list args;
	va_start(args, fmt);
	lily_test_msg_t *m = lily_msg_create(location, fmt, args);
	va_end(args);

	lily_g.TAIL->next = m;
	lily_g.TAIL = m;
}

void lily_check(int x, const char *location, const char *fmt, ...)
{
	lily_g.n_assertions += 1;
	if (!x) {
		// assertion failed
		lily_g.n_assertions_failed += 1;

		va_list args;
		va_start(args, fmt);
		lily_test_msg_t *m = lily_msg_create(location, fmt, args);
		va_end(args);

		lily_g.TAIL->next = m;
		lily_g.TAIL = m;
		lily_g.failed = 1;
	}
}


void lily_require(int x, const char *location, const char *fmt, ...)
{
	lily_g.n_assertions += 1;
	if (!x) {
		// assertion failed
		lily_g.n_assertions_failed += 1;

		va_list args;
		va_start(args, fmt);
		lily_test_msg_t *m = lily_msg_create(location, fmt, args);
		va_end(args);

		lily_g.TAIL->next = m;
		lily_g.TAIL = m;
		lily_g.failed = 1;

		/* longjump out of test */
		longjmp(lily_g.env, 1);
	}
}


void lily_begin()
{
	lily_g.n_tests = 0;
	lily_g.n_tests_failed = 0;
	lily_g.n_assertions_failed = 0;
	lily_g.n_assertions_failed = 0;
	lily_g.epsilon = 1e-3;

	printf("================================================================================\n");
	printf("lily-test version %d.%d.%d\n", LILY_VERSION_MAJOR, LILY_VERSION_MINOR, LILY_VERSION_PATCH);
}


void lily_finish()
{
	printf("================================================================================\n");
	printf("ran %d tests (%d failed)\n", 
		lily_g.n_tests, lily_g.n_tests_failed);
	printf("checked %d asserts (%d failed)\n",
		lily_g.n_assertions, lily_g.n_assertions_failed);
}


void lily_set_epsilon(double epsilon)
{
	lily_g.epsilon = epsilon;
}


int lily_streq(const char *str1, const char *str2)
{
	if (str1 == NULL && str2 == NULL) {
		/* both are null (and therefore equal, i guess) */
		return 1;
	}

	if (str1 == NULL || str2 == NULL) {
		/* only one is null */
		return 0;
	}

	/* neither are null, check normal string equality */
	return strcmp(str1, str2) == 0;
}
#endif

/* ifdef LILY_TEST_H */
#else

/* counter incrementing */
/* this counter can count up to 4096, but it should be pretty trivial to extend it more or less arbitrarily far */
/* to increment the counter, just #define LILY_COUNTER_INCREMENT and then include this file again */
#ifdef LILY_COUNTER_INCREMENT
#undef LILY_COUNTER_INCREMENT
    /* ones position */
#	if LILY_HEX(LILY_COUNTER_POS_0) == 0
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 1
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 1
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 2
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 2
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 3
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 3
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 4
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 4
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 5
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 5
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 6
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 6
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 7
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 7
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 8
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 8
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 9
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 9
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 a
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 10
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 b
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 11
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 c
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 12
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 d
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 13
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 e
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 14
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 f
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 15
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 0
        /* sixteens position */
#		if LILY_HEX(LILY_COUNTER_POS_1) == 0
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 1
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 1
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 2
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 2
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 3
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 3
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 4
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 4
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 5
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 5
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 6
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 6
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 7
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 7
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 8
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 8
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 9
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 9
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 a
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 10
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 b
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 11
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 c
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 12
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 d
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 13
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 e
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 14
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 f
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 15
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 0
            /* 256s position */
#			if LILY_HEX(LILY_COUNTER_POS_2) == 0
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 1
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 1
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 2
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 2
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 3
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 3
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 4
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 4
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 5
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 5
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 6
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 6
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 7
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 7
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 8
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 8
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 9
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 9
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 a
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 10
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 b
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 11
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 c
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 12
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 d
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 13
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 e
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 14
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 f
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 15
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 0
#			endif
#		endif
#	endif

#elif defined(LILY_COUNTER_DECREMENT)
#undef LILY_COUNTER_DECREMENT
    /* ones position */
#	if LILY_HEX(LILY_COUNTER_POS_0) == 15
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 e
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 14
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 d
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 13
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 c
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 12
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 b
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 11
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 a
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 10
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 9
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 9
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 8
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 8
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 7
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 7
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 6
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 6
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 5
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 5
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 4
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 4
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 3
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 3
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 2
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 2
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 1
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 1
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 0
#	elif LILY_HEX(LILY_COUNTER_POS_0) == 0
#		undef LILY_COUNTER_POS_0
#		define LILY_COUNTER_POS_0 f
		/* sixteens position */
#		if LILY_HEX(LILY_COUNTER_POS_1) == 15
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 e
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 14
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 d
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 13
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 c
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 12
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 b
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 11
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 a
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 10
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 9
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 9
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 8
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 8
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 7
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 7
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 6
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 6
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 5
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 5
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 4
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 4
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 3
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 3
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 2
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 2
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 1
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 1
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 0
#		elif LILY_HEX(LILY_COUNTER_POS_1) == 0
#			undef LILY_COUNTER_POS_1
#			define LILY_COUNTER_POS_1 f
			/* 256s position */
#			if LILY_HEX(LILY_COUNTER_POS_2) == 15
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 e
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 14
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 d
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 13
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 c
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 12
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 b
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 11
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 a
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 10
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 9
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 9
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 8
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 8
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 7
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 7
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 6
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 6
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 5
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 5
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 4
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 4
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 3
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 3
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 2
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 2
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 1
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 1
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 0
#			elif LILY_HEX(LILY_COUNTER_POS_2) == 0
#				undef LILY_COUNTER_POS_2
#				define LILY_COUNTER_POS_2 f
#			endif
#		endif
#	endif


#elif defined(LILY_FILE_END)
/* ending a file */

/* LILY_LIST_HEAD is one too high, so we decrement */
#define LILY_COUNTER_DECREMENT
#include LILY_TEST_H_LOCATION

void file_runner()
{
	lily_ll_node_t *n = &LILY_LIST_HEAD;
	while (n->next != NULL) {
		lily_run_test(n->f);
		n = n->next;
	}
}

#else
/* register new test */

static lily_ll_node_t LILY_ANON_NODE = {
#define LILY_COUNTER_DECREMENT
#include LILY_TEST_H_LOCATION
	&LILY_LIST_HEAD,
#define LILY_COUNTER_INCREMENT
#include LILY_TEST_H_LOCATION
	LILY_ANON_WRAP,
};
#undef LILY_LIST_HEAD
#define LILY_LIST_HEAD LILY_ANON_NODE
#define LILY_COUNTER_INCREMENT
#include LILY_TEST_H_LOCATION

#endif

#endif