[mLib] / test / t / tvec-test.c

/* -*-c-*-
 *
 * Test the test-vector framework
 *
 * (c) 2023 Straylight/Edgeware
 */

/*----- Licensing notice --------------------------------------------------*
 *
 * This file is part of the mLib utilities library.
 *
 * mLib is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Library General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * mLib is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with mLib.  If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 * USA.
 */

/*----- Header files ------------------------------------------------------*/

#include "tv.h"
#include "tvec.h"

#include <sys/select.h>
#include <sys/time.h>

/*----- Register definitions ----------------------------------------------*/

static const struct tvec_iassoc ienum_assocs[] = {
  { "less",	       -1 },
  { "equal",		0 },
  { "greater",	       +1 },
  { 0 }
};

static const struct tvec_uassoc uenum_assocs[] = {
  { "apple",		0 },
  { "banana",		1 },
  { "clementine",	2 },
  { 0 }
};

static const struct tvec_fassoc fenum_assocs[] = {
  { "e",		2.718281828459045 },
  { "pi",		3.141592653589793 },
  { "tau",		6.283185307179586 },
  { 0 }
};

static const struct tvec_passoc penum_assocs[] = {
  { "alice",		&uenum_assocs[0] },
  { "bob",		&uenum_assocs[1] },
  { "carol",		&uenum_assocs[2] },
  { 0 }
};

#if __STDC_VERSION__x >= 199901
#  define DSGINIT(x) x
#else
#  define DSGINIT(x)
#endif

static const struct tvec_floatinfo fenum_fltinfo =
  { TVFF_ABSDELTA, -10, +10, 1e-3 };

#define DEFENUM(tag, ty, slot)						\
  static const struct tvec_##slot##enuminfo slot##enum_info =		\
    { slot##enum_NAME, slot##enum_assocs slot##enum_ARGS };
#define ienum_NAME "order"
#define ienum_ARGS , &tvrange_i16
#define uenum_NAME "fruit"
#define uenum_ARGS , &tvrange_u16
#define fenum_NAME "const"
#define fenum_ARGS , &fenum_fltinfo
#define penum_NAME "actor"
#define penum_ARGS
TVEC_MISCSLOTS(DEFENUM)
#undef DEFENUM

static const struct tvec_flag attr_flags[] = {
  { "black-fg",		0x07, 0x00 },
  { "blue-fg",		0x07, 0x01 },
  { "red-fg",		0x07, 0x02 },
  { "magenta-fg",	0x07, 0x03 },
  { "green-fg",		0x07, 0x04 },
  { "cyan-fg",		0x07, 0x05 },
  { "yellow-fg",	0x07, 0x06 },
  { "white-fg",		0x07, 0x07 },

  { "black-bg",		0x38, 0x00 },
  { "blue-bg",		0x38, 0x08 },
  { "red-bg",		0x38, 0x10 },
  { "magenta-bg",	0x38, 0x18 },
  { "green-bg",		0x38, 0x20 },
  { "cyan-bg",		0x38, 0x28 },
  { "yellow-bg",	0x38, 0x30 },
  { "white-bg",		0x38, 0x38 },

  { "normal",		0xc0, 0x00 },
  { "bright",		0x40, 0x40 },
  { "flash",		0x80, 0x80 },

  { 0 }
};

static const struct tvec_flaginfo attr_info =
  { "attr", attr_flags, &tvrange_u16 };

static const struct tvec_floatinfo fltish_info =
  { TVFF_RELDELTA, -1.0, +1.0, 1e-6 };

static const struct tvec_urange range_32 = { 0, 31 };

#define TYPEREGS(_)							\
  _(int,	RI,	int,			p, &tvrange_i16)	\
  _(uint,	RU,	uint,			p, &tvrange_u16)	\
  _(float,	RFP,	float,			p, 0)			\
  _(fltish,	RFISH,	float,			p, &fltish_info)	\
  _(char,	RCH,	char,			p, 0)			\
  _(ienum,	RIE,	ienum,			p, &ienum_info)		\
  _(uenum,	RUE,	uenum,			p, &uenum_info)		\
  _(fenum,	RFE,	fenum,			p, &fenum_info)		\
  _(penum,	RPE,	penum,			p, &penum_info)		\
  _(flags,	RF,	flags,			p, &attr_info)		\
  _(text,	RTXT,	text,			p, &range_32)		\
  _(bytes,	RBY,	bytes,			p, &tvrange_byte)	\
  _(buffer,	RBUF,	buffer,			p, 0)

enum {
  /* Output registers, one for each register type. */
#define DEFREG(name, i, ty, argslot, argval) i,
  TYPEREGS(DEFREG)
#undef DEFREG
  NTY,

  /* Outputs. */
  RRC = NTY,				/* return code from deserialize */
  RSEROUT,				/* serialized output */

  NROUT,

  /* Alternative outputs. */
  RVOUT = 0,				/* output/copy value */
  RLEFT,				/* size data remaining in input */

  /* Additional inputs. */
  RSAB = NROUT,				/* which register to sabotage */
  RV,					/* input value */
  RSER,					/* serialized input */

  NREG
};

/*----- Common execution environment --------------------------------------*/

struct test_context {
  struct tvec_state *tv;
  unsigned f;
#define SF_SHOW 1u
};

static void common_setup(struct tvec_state *tv,
			 const struct tvec_env *env, void *pctx, void *ctx)
{
  struct test_context *tctx = ctx;

  tctx->tv = tv;
  tctx->f = 0;
}

static int common_setvar(struct tvec_state *tv, const char *var,
			 const union tvec_regval *rv, void *ctx)
{
  struct test_context *tctx = ctx;

  if (STRCMP(var, ==, "@show")) {
    if (rv->i) tctx->f |= SF_SHOW;
  } else assert(!"unknown var");
  return (0);
}

static const struct tvec_vardef show_var =
  { sizeof(struct tvec_reg), common_setvar,
    { "@show", -1, &tvty_ienum, 0, { &tvenum_bool } } };

static const struct tvec_vardef *common_findvar
  (struct tvec_state *tv, const char *var, void **ctx_out, void *ctx)
{
  if (STRCMP(var, ==, "@show")) { *ctx_out = ctx; return (&show_var); }
  return (0);
}

static void common_run(struct tvec_state *tv, tvec_testfn *fn, void *ctx)
{
  struct test_context *tctx = ctx;
  unsigned f = tctx->f;

  fn(tv->in, tv->out, tctx);
  if (tvec_checkregs(tv)) { tvec_fail(tv, 0); f |= SF_SHOW; }
  if (f&SF_SHOW) tvec_mismatch(tv, TVMF_IN | TVMF_OUT);
}

static void common_after(struct tvec_state *tv, void *ctx)
  { struct test_context *tctx = ctx; tctx->f = 0; }

static const struct tvec_env common_testenv = {
  sizeof(struct test_context),
  common_setup, common_findvar,
  0, common_run, common_after,
  0
};

/*----- Single-type copy tests --------------------------------------------*/

static void test_copy_simple
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
  { out->v = in->v; }

static void test_copy_text
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
{
  tvec_alloctext(&out->v, in->v.text.sz);
  memcpy(out->v.text.p, in->v.text.p, in->v.text.sz);
}

static void test_copy_bytes
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
{
  tvec_allocbytes(&out->v, in->v.bytes.sz);
  memcpy(out->v.bytes.p, in->v.bytes.p, in->v.bytes.sz);
}

#define test_copy_int test_copy_simple
#define test_copy_uint test_copy_simple
#define test_copy_ienum test_copy_simple
#define test_copy_uenum test_copy_simple
#define test_copy_fenum test_copy_simple
#define test_copy_penum test_copy_simple
#define test_copy_char test_copy_simple
#define test_copy_flags test_copy_simple
#define test_copy_float test_copy_simple
#define test_copy_fltish test_copy_simple
#define test_copy_buffer test_copy_bytes

#define COPYREG(name, i, ty, argslot, argval)				\
	static DSGINIT(const) struct tvec_regdef name##_copyregs[] = {	\
	  { #name, RVOUT, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
	  { 0 }								\
	};
TYPEREGS(COPYREG)
#undef COPYREG

/*----- Single-type serialization tests -----------------------------------*/

static void setup_regdef(struct tvec_regdef *rd, unsigned i,
			 struct tvec_state *tv)
{
  const struct tvec_regdef *r;

  for (r = tv->test->regs; r->name; r++) if (r->i == i) goto found;
  tvec_error(tv, "internel: register definition not found"); exit(2);
found:
  rd[0] = *r; rd[1].name = 0;
}

static void test_single_serialize
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
{
  struct test_context *tctx = ctx;
  struct tvec_state *tv = tctx->tv;
  struct tvec_regdef rd[2];
  dbuf b = DBUF_INIT;
  int rc;

  setup_regdef(rd, RV, tv);
  rc = tvec_serialize(tv->in, DBUF_BUF(&b), rd, NREG,
		      sizeof(struct tvec_reg));
  out[RRC].v.i = rc;
  if (rc)
    out[RSEROUT].f &= ~TVRF_LIVE;
  else {
    tvec_allocbytes(&out[RSEROUT].v, BLEN(DBUF_BUF(&b)));
    memcpy(out[RSEROUT].v.bytes.p, BBASE(DBUF_BUF(&b)), BLEN(DBUF_BUF(&b)));
  }
}

static void test_single_deserialize
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
{
  struct test_context *tctx = ctx;
  struct tvec_state *tv = tctx->tv;
  struct tvec_regdef rd[2];
  buf b;
  int rc;

  setup_regdef(rd, RV, tv);
  buf_init(&b, in[RSER].v.bytes.p, in[RSER].v.bytes.sz);
  rc = tvec_deserialize(tv->out, &b, rd, NREG, sizeof(struct tvec_reg));
  out[RRC].v.i = rc;
  if (rc) out[RVOUT].f &= ~TVRF_LIVE;
}

#define SERREG(name, i, ty, argslot, argval)				\
	static DSGINIT(const) struct tvec_regdef name##_serregs[] = {	\
	  { #name, RV,	&tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
	  { "buf", RSEROUT, &tvty_bytes },				\
	  { "rc", RRC,	&tvty_int,	TVRF_OPT,	{ &tvrange_int } }, \
	  TVEC_ENDREGS							\
	};								\
	static DSGINIT(const) struct tvec_regdef name##_deserregs[] = {	\
	  { "buf", RSER, &tvty_bytes },					\
	  { #name, RVOUT, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
	  { "left", RLEFT, &tvty_uint,	TVRF_OPT,      { &tvrange_size } }, \
	  { "rc", RRC,	&tvty_int,	TVRF_OPT,	{ &tvrange_int } }, \
	  TVEC_ENDREGS							\
	};
TYPEREGS(SERREG)
#undef SERREG

static void before_single_serialize(struct tvec_state *tv, void *ctx)
{
  if (!(tv->in[RRC].f&TVRF_LIVE)) {
    tv->in[RRC].v.i = 0; tv->in[RRC].f |= TVRF_LIVE;
    tv->out[RRC].f |= TVRF_LIVE;
  }
}

static void before_single_deserialize(struct tvec_state *tv, void *ctx)
{
  if (!(tv->in[RRC].f&TVRF_LIVE)) {
    tv->in[RRC].v.i = 0; tv->in[RRC].f |= TVRF_LIVE;
    tv->out[RRC].f |= TVRF_LIVE;
  }
  if (!(tv->in[RLEFT].f&TVRF_LIVE)) {
    tv->in[RLEFT].v.u = 0; tv->in[RLEFT].f |= TVRF_LIVE;
    tv->out[RLEFT].f |= TVRF_LIVE;
  }
}

static const struct tvec_env single_serialize_testenv = {
  sizeof(struct test_context),
  common_setup, common_findvar,
  before_single_serialize, common_run, common_after,
  0
}, single_deserialize_testenv = {
  sizeof(struct test_context),
  common_setup, common_findvar,
  before_single_deserialize, common_run, common_after,
  0
};

/*----- Multi-type serialization test -------------------------------------*/

static void test_multi_serialize
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
{
  struct test_context *tctx = ctx;
  struct tvec_state *tv = tctx->tv;
  const struct tvec_regdef *rd;
  union tvec_regval *rv;
  dbuf b = DBUF_INIT;

  if (tvec_serialize(tv->in, DBUF_BUF(&b), tv->test->regs,
		     NTY, sizeof(struct tvec_reg)))
    { out[RRC].v.i = -1; goto end; }
  tvec_allocbytes(&out[RSEROUT].v, DBLEN(&b));
  memcpy(out[RSEROUT].v.bytes.p, DBBASE(&b), DBLEN(&b));
  out[RSEROUT].f |= TVRF_LIVE;
  buf_flip(DBUF_BUF(&b));

  if (tvec_deserialize(tv->out, DBUF_BUF(&b), tv->test->regs,
		       NTY, sizeof(struct tvec_reg)))
    { out[RRC].v.i = -2; goto end; }
  if (BLEFT(&b._b))
    { out[RRC].v.i = -3; goto end; }

  if ((in[RSAB].f&TVRF_LIVE) && in[RSAB].v.i >= 0) {
    rd = &tv->test->regs[in[RSAB].v.i]; rv = &out[in[RSAB].v.i].v;
    if (rd->ty == &tvty_int || rd->ty == &tvty_ienum)
      rv->i ^= 1;
    else if (rd->ty == &tvty_uint ||
	     rd->ty == &tvty_flags || rd->ty == &tvty_uenum)
      rv->u ^= 1;
    else if (rd->ty == &tvty_float || rd->ty == &tvty_fenum) {
      if (rv->f == rv->f) rv->f = -rv->f;
      else rv->f = 1.0;
    } else if (rd->ty == &tvty_penum)
      rv->p = rv->p
	? 0
	: (/*unconst*/ void *)
	((const struct tvec_penuminfo *)rd->arg.p)->av[0].p;
    else if (rd->ty == &tvty_text)
      { if (rv->text.sz) rv->text.p[0] ^= 1; }
    else if (rd->ty == &tvty_bytes)
      { if (rv->bytes.sz) rv->bytes.p[0] ^= 1; }
  }

  out[RRC].v.i = 0;
end:
  dbuf_destroy(&b);
}

static const struct tvec_iassoc reg_assocs[] = {
  { "none",		-1 },
#define DEFASSOC(name, i, ty, argslot, argval) { #name, i },
  TYPEREGS(DEFASSOC)
#undef DEFASSOC
  { 0,			0 }
};
static const struct tvec_ienuminfo reg_enum = { "reg", reg_assocs, 0 };

static DSGINIT(const) struct tvec_regdef multi_serialize_regs[] = {
#define DEFREG(name, i, ty, argslot, argval)				\
  { #name,	i,	&tvty_##ty,	TVRF_OPT,			\
					    DSGINIT({ .argslot = argval }) },
  TYPEREGS(DEFREG)
#undef DEFREG

  { "rc",	RRC,	&tvty_int,	TVRF_OPT,	{ &tvrange_int } },
  { "serialized", RSEROUT, &tvty_bytes,	TVRF_OPT },
  { "sabotage",	RSAB,	&tvty_ienum,	TVRF_OPT,	{ &reg_enum } },

  TVEC_ENDREGS
};

static void before_multi_serialize(struct tvec_state *tv, void *ctx)
{
  if (!(tv->in[RRC].f&TVRF_LIVE)) {
    tv->in[RRC].v.i = 0; tv->in[RRC].f |= TVRF_LIVE;
    tv->out[RRC].f |= TVRF_LIVE;
  }
}

static const struct tvec_env multi_serialize_testenv = {
  sizeof(struct test_context),
  common_setup, common_findvar,
  before_multi_serialize, common_run, common_after,
  0
};

/*----- Crash test --------------------------------------------------------*/

static void test_crash(const struct tvec_reg *in, struct tvec_reg *out,
		       void *ctx)
{
  out[RVOUT].v.u = in[RV].v.u;
  if (in[RSAB].v.i) abort();
}

static const struct tvec_remotefork crash_testenv =
  { TVEC_REMOTEFORK(0, 0) };

static const struct tvec_regdef crash_regs[] = {
  { "crash",	RSAB,	&tvty_ienum,	0,		{ &tvenum_bool } },
  { "x",	RV,	&tvty_uint,	0,		{ &tvrange_uint } },
  { "z",	RVOUT,	&tvty_uint,	0,		{ &tvrange_uint } },
  TVEC_ENDREGS
};

/*----- Sleep test --------------------------------------------------------*/

static void test_sleep(const struct tvec_reg *in, struct tvec_reg *out,
		       void *ctx)
{
  struct timeval now, when, tv;
  int rc;

  rc = gettimeofday(&now, 0); assert(!rc);
  tv.tv_sec = in[RV].v.f; tv.tv_usec = 1e6*(in[RV].v.f - tv.tv_sec);

  TV_ADD(&when, &now, &tv);
  for (;;) {
    rc = select(0, 0, 0, 0, &tv); assert(!rc);
    rc = gettimeofday(&now, 0); assert(!rc);
    if (TV_CMP(&now, >=, &when)) break;
    TV_SUB(&tv, &when, &now);
  }
  out[RVOUT].v.f = in[RV].v.f;
}

static const struct tvec_timeoutenv sleep_subenv =
  { TVEC_TIMEOUTINIT(ITIMER_REAL, 0.25) };
static const struct tvec_remotefork sleep_testenv =
  { TVEC_REMOTEFORK(&sleep_subenv._env, 0) };

static const struct tvec_regdef sleep_regs[] = {
  { "time",	RV,	&tvty_float,	0,		{ &tvflt_nonneg } },
  { "z",	RVOUT,	&tvty_float,	0,		{ &tvflt_nonneg } },
  TVEC_ENDREGS
};

/*----- Front end ---------------------------------------------------------*/

static const struct tvec_test tests[] = {
  { "multi",	multi_serialize_regs, &multi_serialize_testenv,
						test_multi_serialize },

#define DEFSINGLE(name, i, ty, argslot, argval)				\
  { "copy-" #name, name##_copyregs,	&common_testenv, test_copy_##name }, \
  { "serialize-" #name, name##_serregs,	&single_serialize_testenv, \
						test_single_serialize }, \
  { "deserialize-" #name, name##_deserregs, &single_deserialize_testenv, \
						test_single_deserialize },
  TYPEREGS(DEFSINGLE)
#undef DEFSINGLE

  { "crash",	crash_regs,	&crash_testenv._env, test_crash },
  { "sleep",	sleep_regs,	&sleep_testenv._env, test_sleep },

  TVEC_ENDTESTS
};

static const struct tvec_config testconfig = {
  tests,
  NROUT, NREG, sizeof(struct tvec_reg)
};

int main(int argc, char *argv[])
{
#if __STDC_VERSION__x < 199901
#  define POKE(name, i, ty, argslot, argval)				\
	multi_serialize_regs[i].arg.argslot = argval;			\
	name##_copyregs->arg.argslot = argval;				\
	name##_serregs->arg.argslot = argval;				\
	name##_deserregs->arg.argslot = argval;
  TYPEREGS(POKE)
#  undef POKE
#endif
  return (tvec_main(argc, argv, &testconfig, 0));
}

/*----- That's all, folks -------------------------------------------------*/
Commit	Line	Data
b64eb60f MW	1	/* --c--
	2	*
	3	* Test the test-vector framework
	4	*
	5	* (c) 2023 Straylight/Edgeware
	6	*/
	7
	8	/----- Licensing notice --------------------------------------------------
	9	*
	10	* This file is part of the mLib utilities library.
	11	*
	12	* mLib is free software: you can redistribute it and/or modify it under
	13	* the terms of the GNU Library General Public License as published by
	14	* the Free Software Foundation; either version 2 of the License, or (at
	15	* your option) any later version.
	16	*
	17	* mLib is distributed in the hope that it will be useful, but WITHOUT
	18	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	19	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
	20	* License for more details.
	21	*
	22	* You should have received a copy of the GNU Library General Public
	23	* License along with mLib. If not, write to the Free Software
	24	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
	25	* USA.
	26	*/
	27
	28	/----- Header files ------------------------------------------------------/
	29
31d0247c	30	#include "tv.h"
b64eb60f MW	31	#include "tvec.h"
b64eb60f MW	32
31d0247c MW	33	#include <sys/select.h>
	34	#include <sys/time.h>
	35
b64eb60f MW	36	/----- Register definitions ----------------------------------------------/
b64eb60f MW	37
b64eb60f MW	38	static const struct tvec_iassoc ienum_assocs[] = {
	39	{ "less", -1 },
	40	{ "equal", 0 },
	41	{ "greater", +1 },
	42	{ 0 }
	43	};
	44
	45	static const struct tvec_uassoc uenum_assocs[] = {
	46	{ "apple", 0 },
	47	{ "banana", 1 },
	48	{ "clementine", 2 },
	49	{ 0 }
	50	};
	51
e63124bc MW	52	static const struct tvec_fassoc fenum_assocs[] = {
	53	{ "e", 2.718281828459045 },
	54	{ "pi", 3.141592653589793 },
	55	{ "tau", 6.283185307179586 },
	56	{ 0 }
	57	};
	58
b64eb60f MW	59	static const struct tvec_passoc penum_assocs[] = {
	60	{ "alice", &uenum_assocs[0] },
	61	{ "bob", &uenum_assocs[1] },
	62	{ "carol", &uenum_assocs[2] },
	63	{ 0 }
	64	};
	65
e63124bc	66	#if __STDC_VERSION__x >= 199901
b64eb60f MW	67	# define DSGINIT(x) x
	68	#else
	69	# define DSGINIT(x)
	70	#endif
	71
e63124bc MW	72	static const struct tvec_floatinfo fenum_fltinfo =
	73	{ TVFF_ABSDELTA, -10, +10, 1e-3 };
	74
	75	#define DEFENUM(tag, ty, slot) \
	76	static const struct tvec_##slot##enuminfo slot##enum_info = \
3efcfd2d	77	{ slot##enum_NAME, slot##enum_assocs slot##enum_ARGS };
e63124bc MW	78	#define ienum_NAME "order"
	79	#define ienum_ARGS , &tvrange_i16
	80	#define uenum_NAME "fruit"
	81	#define uenum_ARGS , &tvrange_u16
	82	#define fenum_NAME "const"
	83	#define fenum_ARGS , &fenum_fltinfo
	84	#define penum_NAME "actor"
	85	#define penum_ARGS
	86	TVEC_MISCSLOTS(DEFENUM)
	87	#undef DEFENUM
b64eb60f MW	88
	89	static const struct tvec_flag attr_flags[] = {
	90	{ "black-fg", 0x07, 0x00 },
	91	{ "blue-fg", 0x07, 0x01 },
	92	{ "red-fg", 0x07, 0x02 },
	93	{ "magenta-fg", 0x07, 0x03 },
	94	{ "green-fg", 0x07, 0x04 },
	95	{ "cyan-fg", 0x07, 0x05 },
	96	{ "yellow-fg", 0x07, 0x06 },
	97	{ "white-fg", 0x07, 0x07 },
	98
	99	{ "black-bg", 0x38, 0x00 },
	100	{ "blue-bg", 0x38, 0x08 },
	101	{ "red-bg", 0x38, 0x10 },
	102	{ "magenta-bg", 0x38, 0x18 },
	103	{ "green-bg", 0x38, 0x20 },
	104	{ "cyan-bg", 0x38, 0x28 },
	105	{ "yellow-bg", 0x38, 0x30 },
	106	{ "white-bg", 0x38, 0x38 },
	107
	108	{ "normal", 0xc0, 0x00 },
	109	{ "bright", 0x40, 0x40 },
	110	{ "flash", 0x80, 0x80 },
	111
	112	{ 0 }
	113	};
	114
	115	static const struct tvec_flaginfo attr_info =
	116	{ "attr", attr_flags, &tvrange_u16 };
	117
e63124bc MW	118	static const struct tvec_floatinfo fltish_info =
	119	{ TVFF_RELDELTA, -1.0, +1.0, 1e-6 };
	120
b64eb60f MW	121	static const struct tvec_urange range_32 = { 0, 31 };
	122
	123	#define TYPEREGS(_) \
	124	_(int, RI, int, p, &tvrange_i16) \
	125	_(uint, RU, uint, p, &tvrange_u16) \
e63124bc MW	126	_(float, RFP, float, p, 0) \
	127	_(fltish, RFISH, float, p, &fltish_info) \
	128	_(char, RCH, char, p, 0) \
3efcfd2d MW	129	_(ienum, RIE, ienum, p, &ienum_info) \
	130	_(uenum, RUE, uenum, p, &uenum_info) \
	131	_(fenum, RFE, fenum, p, &fenum_info) \
	132	_(penum, RPE, penum, p, &penum_info) \
b64eb60f	133	_(flags, RF, flags, p, &attr_info) \
c81c35df	134	_(text, RTXT, text, p, &range_32) \
b64eb60f	135	_(bytes, RBY, bytes, p, &tvrange_byte) \
67b5031e	136	_(buffer, RBUF, buffer, p, 0)
b64eb60f	137
e63124bc MW	138	enum {
	139	/* Output registers, one for each register type. */
	140	#define DEFREG(name, i, ty, argslot, argval) i,
	141	TYPEREGS(DEFREG)
	142	#undef DEFREG
db2bf411	143	NTY,
e63124bc	144
db2bf411 MW	145	/* Outputs. */
	146	RRC = NTY, /* return code from deserialize */
	147	RSEROUT, /* serialized output */
e63124bc MW	148
	149	NROUT,
	150
db2bf411 MW	151	/* Alternative outputs. */
	152	RVOUT = 0, /* output/copy value */
	153	RLEFT, /* size data remaining in input */
e63124bc	154
db2bf411 MW	155	/* Additional inputs. */
	156	RSAB = NROUT, /* which register to sabotage */
	157	RV, /* input value */
	158	RSER, /* serialized input */
e63124bc	159
db2bf411	160	NREG
e63124bc MW	161	};
e63124bc MW	162
db2bf411	163	/----- Common execution environment --------------------------------------/
b64eb60f MW	164
	165	struct test_context {
	166	struct tvec_state *tv;
db2bf411 MW	167	unsigned f;
db2bf411 MW	168	#define SF_SHOW 1u
b64eb60f MW	169	};
b64eb60f MW	170
c91413e6	171	static void common_setup(struct tvec_state *tv,
e63124bc	172	const struct tvec_env env, void pctx, void *ctx)
db2bf411 MW	173	{
	174	struct test_context *tctx = ctx;
	175
	176	tctx->tv = tv;
	177	tctx->f = 0;
db2bf411 MW	178	}
db2bf411 MW	179
814e42ff MW	180	static int common_setvar(struct tvec_state tv, const char var,
814e42ff MW	181	const union tvec_regval rv, void ctx)
db2bf411 MW	182	{
db2bf411 MW	183	struct test_context *tctx = ctx;
814e42ff MW	184
	185	if (STRCMP(var, ==, "@show")) {
	186	if (rv->i) tctx->f \|= SF_SHOW;
	187	} else assert(!"unknown var");
	188	return (0);
	189	}
	190
	191	static const struct tvec_vardef show_var =
	192	{ sizeof(struct tvec_reg), common_setvar,
	193	{ "@show", -1, &tvty_ienum, 0, { &tvenum_bool } } };
	194
	195	static const struct tvec_vardef *common_findvar
	196	(struct tvec_state tv, const char var, void *ctx_out, void ctx)
	197	{
	198	if (STRCMP(var, ==, "@show")) { *ctx_out = ctx; return (&show_var); }
	199	return (0);
db2bf411 MW	200	}
	201
	202	static void common_run(struct tvec_state tv, tvec_testfn fn, void *ctx)
	203	{
	204	struct test_context *tctx = ctx;
	205	unsigned f = tctx->f;
	206
	207	fn(tv->in, tv->out, tctx);
	208	if (tvec_checkregs(tv)) { tvec_fail(tv, 0); f \|= SF_SHOW; }
	209	if (f&SF_SHOW) tvec_mismatch(tv, TVMF_IN \| TVMF_OUT);
	210	}
	211
	212	static void common_after(struct tvec_state tv, void ctx)
	213	{ struct test_context *tctx = ctx; tctx->f = 0; }
b64eb60f	214
db2bf411 MW	215	static const struct tvec_env common_testenv = {
db2bf411 MW	216	sizeof(struct test_context),
814e42ff	217	common_setup, common_findvar,
db2bf411 MW	218	0, common_run, common_after,
	219	0
	220	};
	221
	222	/----- Single-type copy tests --------------------------------------------/
	223
	224	static void test_copy_simple
	225	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	226	{ out->v = in->v; }
	227
c81c35df	228	static void test_copy_text
db2bf411 MW	229	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
db2bf411 MW	230	{
c81c35df MW	231	tvec_alloctext(&out->v, in->v.text.sz);
c81c35df MW	232	memcpy(out->v.text.p, in->v.text.p, in->v.text.sz);
db2bf411 MW	233	}
	234
	235	static void test_copy_bytes
	236	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	237	{
c81c35df MW	238	tvec_allocbytes(&out->v, in->v.bytes.sz);
c81c35df MW	239	memcpy(out->v.bytes.p, in->v.bytes.p, in->v.bytes.sz);
db2bf411 MW	240	}
	241
	242	#define test_copy_int test_copy_simple
	243	#define test_copy_uint test_copy_simple
	244	#define test_copy_ienum test_copy_simple
	245	#define test_copy_uenum test_copy_simple
	246	#define test_copy_fenum test_copy_simple
	247	#define test_copy_penum test_copy_simple
	248	#define test_copy_char test_copy_simple
	249	#define test_copy_flags test_copy_simple
	250	#define test_copy_float test_copy_simple
	251	#define test_copy_fltish test_copy_simple
	252	#define test_copy_buffer test_copy_bytes
	253
	254	#define COPYREG(name, i, ty, argslot, argval) \
	255	static DSGINIT(const) struct tvec_regdef name##_copyregs[] = { \
	256	{ #name, RVOUT, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
	257	{ 0 } \
	258	};
	259	TYPEREGS(COPYREG)
	260	#undef COPYREG
	261
	262	/----- Single-type serialization tests -----------------------------------/
	263
	264	static void setup_regdef(struct tvec_regdef *rd, unsigned i,
	265	struct tvec_state *tv)
	266	{
	267	const struct tvec_regdef *r;
	268
	269	for (r = tv->test->regs; r->name; r++) if (r->i == i) goto found;
	270	tvec_error(tv, "internel: register definition not found"); exit(2);
	271	found:
	272	rd[0] = *r; rd[1].name = 0;
	273	}
	274
	275	static void test_single_serialize
	276	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	277	{
	278	struct test_context *tctx = ctx;
	279	struct tvec_state *tv = tctx->tv;
	280	struct tvec_regdef rd[2];
	281	dbuf b = DBUF_INIT;
	282	int rc;
	283
	284	setup_regdef(rd, RV, tv);
	285	rc = tvec_serialize(tv->in, DBUF_BUF(&b), rd, NREG,
	286	sizeof(struct tvec_reg));
	287	out[RRC].v.i = rc;
	288	if (rc)
	289	out[RSEROUT].f &= ~TVRF_LIVE;
	290	else {
	291	tvec_allocbytes(&out[RSEROUT].v, BLEN(DBUF_BUF(&b)));
	292	memcpy(out[RSEROUT].v.bytes.p, BBASE(DBUF_BUF(&b)), BLEN(DBUF_BUF(&b)));
	293	}
	294	}
	295
	296	static void test_single_deserialize
	297	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	298	{
	299	struct test_context *tctx = ctx;
	300	struct tvec_state *tv = tctx->tv;
	301	struct tvec_regdef rd[2];
	302	buf b;
	303	int rc;
304
305	setup_regdef(rd, RV, tv);
306	buf_init(&b, in[RSER].v.bytes.p, in[RSER].v.bytes.sz);
307	rc = tvec_deserialize(tv->out, &b, rd, NREG, sizeof(struct tvec_reg));
308	out[RRC].v.i = rc;
309	if (rc) out[RVOUT].f &= ~TVRF_LIVE;
310	}
311
312	#define SERREG(name, i, ty, argslot, argval) \
313	static DSGINIT(const) struct tvec_regdef name##_serregs[] = { \
314	{ #name, RV, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
315	{ "buf", RSEROUT, &tvty_bytes }, \
316	{ "rc", RRC, &tvty_int, TVRF_OPT, { &tvrange_int } }, \
317	TVEC_ENDREGS \
318	}; \
319	static DSGINIT(const) struct tvec_regdef name##_deserregs[] = { \
320	{ "buf", RSER, &tvty_bytes }, \
321	{ #name, RVOUT, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
322	{ "left", RLEFT, &tvty_uint, TVRF_OPT, { &tvrange_size } }, \
323	{ "rc", RRC, &tvty_int, TVRF_OPT, { &tvrange_int } }, \
324	TVEC_ENDREGS \
325	};
326	TYPEREGS(SERREG)
327	#undef SERREG
328
c91413e6	329	static void before_single_serialize(struct tvec_state tv, void ctx)
e63124bc	330	{
b64eb60f	331	if (!(tv->in[RRC].f&TVRF_LIVE)) {
db2bf411	332	tv->in[RRC].v.i = 0; tv->in[RRC].f \|= TVRF_LIVE;
e63124bc	333	tv->out[RRC].f \|= TVRF_LIVE;
b64eb60f	334	}
b64eb60f MW	335	}
b64eb60f MW	336
c91413e6	337	static void before_single_deserialize(struct tvec_state tv, void ctx)
db2bf411 MW	338	{
	339	if (!(tv->in[RRC].f&TVRF_LIVE)) {
	340	tv->in[RRC].v.i = 0; tv->in[RRC].f \|= TVRF_LIVE;
	341	tv->out[RRC].f \|= TVRF_LIVE;
	342	}
	343	if (!(tv->in[RLEFT].f&TVRF_LIVE)) {
	344	tv->in[RLEFT].v.u = 0; tv->in[RLEFT].f \|= TVRF_LIVE;
	345	tv->out[RLEFT].f \|= TVRF_LIVE;
	346	}
db2bf411 MW	347	}
	348
	349	static const struct tvec_env single_serialize_testenv = {
	350	sizeof(struct test_context),
814e42ff	351	common_setup, common_findvar,
db2bf411 MW	352	before_single_serialize, common_run, common_after,
	353	0
	354	}, single_deserialize_testenv = {
	355	sizeof(struct test_context),
814e42ff	356	common_setup, common_findvar,
db2bf411 MW	357	before_single_deserialize, common_run, common_after,
	358	0
	359	};
	360
	361	/----- Multi-type serialization test -------------------------------------/
	362
	363	static void test_multi_serialize
b64eb60f MW	364	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	365	{
	366	struct test_context *tctx = ctx;
	367	struct tvec_state *tv = tctx->tv;
	368	const struct tvec_regdef *rd;
	369	union tvec_regval *rv;
e63124bc	370	dbuf b = DBUF_INIT;
b64eb60f	371
e63124bc	372	if (tvec_serialize(tv->in, DBUF_BUF(&b), tv->test->regs,
db2bf411 MW	373	NTY, sizeof(struct tvec_reg)))
	374	{ out[RRC].v.i = -1; goto end; }
	375	tvec_allocbytes(&out[RSEROUT].v, DBLEN(&b));
	376	memcpy(out[RSEROUT].v.bytes.p, DBBASE(&b), DBLEN(&b));
	377	out[RSEROUT].f \|= TVRF_LIVE;
e63124bc	378	buf_flip(DBUF_BUF(&b));
b64eb60f	379
e63124bc	380	if (tvec_deserialize(tv->out, DBUF_BUF(&b), tv->test->regs,
db2bf411	381	NTY, sizeof(struct tvec_reg)))
e63124bc MW	382	{ out[RRC].v.i = -2; goto end; }
	383	if (BLEFT(&b._b))
	384	{ out[RRC].v.i = -3; goto end; }
b64eb60f	385
3efcfd2d MW	386	if ((in[RSAB].f&TVRF_LIVE) && in[RSAB].v.i >= 0) {
	387	rd = &tv->test->regs[in[RSAB].v.i]; rv = &out[in[RSAB].v.i].v;
	388	if (rd->ty == &tvty_int \|\| rd->ty == &tvty_ienum)
	389	rv->i ^= 1;
	390	else if (rd->ty == &tvty_uint \|\|
	391	rd->ty == &tvty_flags \|\| rd->ty == &tvty_uenum)
	392	rv->u ^= 1;
	393	else if (rd->ty == &tvty_float \|\| rd->ty == &tvty_fenum) {
	394	if (rv->f == rv->f) rv->f = -rv->f;
	395	else rv->f = 1.0;
	396	} else if (rd->ty == &tvty_penum)
	397	rv->p = rv->p
	398	? 0
	399	: (/unconst/ void *)
	400	((const struct tvec_penuminfo *)rd->arg.p)->av[0].p;
c81c35df MW	401	else if (rd->ty == &tvty_text)
c81c35df MW	402	{ if (rv->text.sz) rv->text.p[0] ^= 1; }
3efcfd2d MW	403	else if (rd->ty == &tvty_bytes)
3efcfd2d MW	404	{ if (rv->bytes.sz) rv->bytes.p[0] ^= 1; }
b64eb60f MW	405	}
	406
	407	out[RRC].v.i = 0;
e63124bc MW	408	end:
e63124bc MW	409	dbuf_destroy(&b);
b64eb60f MW	410	}
b64eb60f MW	411
db2bf411	412	static const struct tvec_iassoc reg_assocs[] = {
3efcfd2d MW	413	{ "none", -1 },
	414	#define DEFASSOC(name, i, ty, argslot, argval) { #name, i },
	415	TYPEREGS(DEFASSOC)
	416	#undef DEFASSOC
	417	{ 0, 0 }
	418	};
db2bf411	419	static const struct tvec_ienuminfo reg_enum = { "reg", reg_assocs, 0 };
3efcfd2d	420
db2bf411	421	static DSGINIT(const) struct tvec_regdef multi_serialize_regs[] = {
b64eb60f MW	422	#define DEFREG(name, i, ty, argslot, argval) \
	423	{ #name, i, &tvty_##ty, TVRF_OPT, \
	424	DSGINIT({ .argslot = argval }) },
	425	TYPEREGS(DEFREG)
	426	#undef DEFREG
db2bf411	427
b64eb60f	428	{ "rc", RRC, &tvty_int, TVRF_OPT, { &tvrange_int } },
db2bf411 MW	429	{ "serialized", RSEROUT, &tvty_bytes, TVRF_OPT },
db2bf411 MW	430	{ "sabotage", RSAB, &tvty_ienum, TVRF_OPT, { &reg_enum } },
b64eb60f	431
db2bf411	432	TVEC_ENDREGS
b64eb60f MW	433	};
b64eb60f MW	434
c91413e6	435	static void before_multi_serialize(struct tvec_state tv, void ctx)
b64eb60f	436	{
db2bf411 MW	437	if (!(tv->in[RRC].f&TVRF_LIVE)) {
	438	tv->in[RRC].v.i = 0; tv->in[RRC].f \|= TVRF_LIVE;
	439	tv->out[RRC].f \|= TVRF_LIVE;
	440	}
b64eb60f MW	441	}
b64eb60f MW	442
db2bf411 MW	443	static const struct tvec_env multi_serialize_testenv = {
db2bf411 MW	444	sizeof(struct test_context),
814e42ff	445	common_setup, common_findvar,
db2bf411 MW	446	before_multi_serialize, common_run, common_after,
db2bf411 MW	447	0
e63124bc MW	448	};
e63124bc MW	449
c91413e6 MW	450	/----- Crash test --------------------------------------------------------/
c91413e6 MW	451
31d0247c MW	452	static void test_crash(const struct tvec_reg in, struct tvec_reg out,
31d0247c MW	453	void *ctx)
c91413e6 MW	454	{
	455	out[RVOUT].v.u = in[RV].v.u;
	456	if (in[RSAB].v.i) abort();
	457	}
	458
	459	static const struct tvec_remotefork crash_testenv =
	460	{ TVEC_REMOTEFORK(0, 0) };
	461
	462	static const struct tvec_regdef crash_regs[] = {
	463	{ "crash", RSAB, &tvty_ienum, 0, { &tvenum_bool } },
	464	{ "x", RV, &tvty_uint, 0, { &tvrange_uint } },
	465	{ "z", RVOUT, &tvty_uint, 0, { &tvrange_uint } },
	466	TVEC_ENDREGS
	467	};
	468
31d0247c MW	469	/----- Sleep test --------------------------------------------------------/
	470
	471	static void test_sleep(const struct tvec_reg in, struct tvec_reg out,
	472	void *ctx)
	473	{
	474	struct timeval now, when, tv;
	475	int rc;
	476
	477	rc = gettimeofday(&now, 0); assert(!rc);
	478	tv.tv_sec = in[RV].v.f; tv.tv_usec = 1e6*(in[RV].v.f - tv.tv_sec);
	479
	480	TV_ADD(&when, &now, &tv);
	481	for (;;) {
	482	rc = select(0, 0, 0, 0, &tv); assert(!rc);
	483	rc = gettimeofday(&now, 0); assert(!rc);
	484	if (TV_CMP(&now, >=, &when)) break;
	485	TV_SUB(&tv, &when, &now);
	486	}
	487	out[RVOUT].v.f = in[RV].v.f;
	488	}
	489
	490	static const struct tvec_timeoutenv sleep_subenv =
	491	{ TVEC_TIMEOUTINIT(ITIMER_REAL, 0.25) };
	492	static const struct tvec_remotefork sleep_testenv =
	493	{ TVEC_REMOTEFORK(&sleep_subenv._env, 0) };
	494
	495	static const struct tvec_regdef sleep_regs[] = {
	496	{ "time", RV, &tvty_float, 0, { &tvflt_nonneg } },
	497	{ "z", RVOUT, &tvty_float, 0, { &tvflt_nonneg } },
	498	TVEC_ENDREGS
	499	};
	500
b64eb60f MW	501	/----- Front end ---------------------------------------------------------/
	502
	503	static const struct tvec_test tests[] = {
db2bf411 MW	504	{ "multi", multi_serialize_regs, &multi_serialize_testenv,
	505	test_multi_serialize },
	506
	507	#define DEFSINGLE(name, i, ty, argslot, argval) \
	508	{ "copy-" #name, name##_copyregs, &common_testenv, test_copy_##name }, \
	509	{ "serialize-" #name, name##_serregs, &single_serialize_testenv, \
	510	test_single_serialize }, \
	511	{ "deserialize-" #name, name##_deserregs, &single_deserialize_testenv, \
	512	test_single_deserialize },
	513	TYPEREGS(DEFSINGLE)
	514	#undef DEFSINGLE
	515
31d0247c MW	516	{ "crash", crash_regs, &crash_testenv._env, test_crash },
31d0247c MW	517	{ "sleep", sleep_regs, &sleep_testenv._env, test_sleep },
c91413e6	518
db2bf411	519	TVEC_ENDTESTS
b64eb60f MW	520	};
b64eb60f MW	521
c5e0e403	522	static const struct tvec_config testconfig = {
b64eb60f MW	523	tests,
	524	NROUT, NREG, sizeof(struct tvec_reg)
	525	};
	526
	527	int main(int argc, char *argv[])
	528	{
e63124bc	529	#if __STDC_VERSION__x < 199901
b64eb60f	530	# define POKE(name, i, ty, argslot, argval) \
db2bf411 MW	531	multi_serialize_regs[i].arg.argslot = argval; \
	532	name##_copyregs->arg.argslot = argval; \
	533	name##_serregs->arg.argslot = argval; \
	534	name##_deserregs->arg.argslot = argval;
b64eb60f MW	535	TYPEREGS(POKE)
	536	# undef POKE
	537	#endif
c5e0e403	538	return (tvec_main(argc, argv, &testconfig, 0));
b64eb60f MW	539	}
	540
	541	/----- That's all, folks -------------------------------------------------/