[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)		\
  _(string,	RSTR,	string,			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_set(struct tvec_state *tv, const char *name, void *ctx)
{
  struct test_context *tctx = ctx;
  union tvec_regval rv;
  static const struct tvec_regdef rd =
    { "@show", -1, &tvty_ienum, 0, { &tvenum_bool } };

  if (STRCMP(name, ==, "@show")) {
    if (tvty_ienum.parse(&rv, &rd, tv)) return (-1);
    if (tctx) {
      if (rv.i) tctx->f |= SF_SHOW;
      else tctx->f &= ~SF_SHOW;
    }
    return (1);
  } else
    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_set,
  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_string
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
{
  tvec_allocstring(&out->v, in->v.str.sz);
  memcpy(out->v.str.p, in->v.str.p, in->v.str.sz);
}

static void test_copy_bytes
  (const struct tvec_reg *in, struct tvec_reg *out, void *ctx)
{
  tvec_allocstring(&out->v, in->v.str.sz);
  memcpy(out->v.str.p, in->v.str.p, in->v.str.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_set,
  before_single_serialize, common_run, common_after,
  0
}, single_deserialize_testenv = {
  sizeof(struct test_context),
  common_setup, common_set,
  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_string)
      { if (rv->str.sz) rv->str.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_set,
  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 MW	133	_(flags, RF, flags, p, &attr_info) \
	134	_(string, RSTR, string, p, &range_32) \
	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
31d0247c	180	static int common_set(struct tvec_state tv, const char name, void *ctx)
db2bf411 MW	181	{
	182	struct test_context *tctx = ctx;
	183	union tvec_regval rv;
	184	static const struct tvec_regdef rd =
	185	{ "@show", -1, &tvty_ienum, 0, { &tvenum_bool } };
	186
	187	if (STRCMP(name, ==, "@show")) {
	188	if (tvty_ienum.parse(&rv, &rd, tv)) return (-1);
	189	if (tctx) {
	190	if (rv.i) tctx->f \|= SF_SHOW;
	191	else tctx->f &= ~SF_SHOW;
	192	}
	193	return (1);
	194	} else
	195	return (0);
	196	}
	197
	198	static void common_run(struct tvec_state tv, tvec_testfn fn, void *ctx)
	199	{
	200	struct test_context *tctx = ctx;
	201	unsigned f = tctx->f;
	202
	203	fn(tv->in, tv->out, tctx);
	204	if (tvec_checkregs(tv)) { tvec_fail(tv, 0); f \|= SF_SHOW; }
	205	if (f&SF_SHOW) tvec_mismatch(tv, TVMF_IN \| TVMF_OUT);
	206	}
	207
	208	static void common_after(struct tvec_state tv, void ctx)
	209	{ struct test_context *tctx = ctx; tctx->f = 0; }
b64eb60f	210
db2bf411 MW	211	static const struct tvec_env common_testenv = {
	212	sizeof(struct test_context),
	213	common_setup, common_set,
	214	0, common_run, common_after,
	215	0
	216	};
	217
	218	/----- Single-type copy tests --------------------------------------------/
	219
	220	static void test_copy_simple
	221	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	222	{ out->v = in->v; }
	223
	224	static void test_copy_string
	225	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	226	{
	227	tvec_allocstring(&out->v, in->v.str.sz);
	228	memcpy(out->v.str.p, in->v.str.p, in->v.str.sz);
	229	}
	230
	231	static void test_copy_bytes
	232	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	233	{
	234	tvec_allocstring(&out->v, in->v.str.sz);
	235	memcpy(out->v.str.p, in->v.str.p, in->v.str.sz);
	236	}
	237
	238	#define test_copy_int test_copy_simple
	239	#define test_copy_uint test_copy_simple
	240	#define test_copy_ienum test_copy_simple
	241	#define test_copy_uenum test_copy_simple
	242	#define test_copy_fenum test_copy_simple
	243	#define test_copy_penum test_copy_simple
	244	#define test_copy_char test_copy_simple
	245	#define test_copy_flags test_copy_simple
	246	#define test_copy_float test_copy_simple
	247	#define test_copy_fltish test_copy_simple
	248	#define test_copy_buffer test_copy_bytes
	249
	250	#define COPYREG(name, i, ty, argslot, argval) \
	251	static DSGINIT(const) struct tvec_regdef name##_copyregs[] = { \
	252	{ #name, RVOUT, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
	253	{ 0 } \
	254	};
	255	TYPEREGS(COPYREG)
	256	#undef COPYREG
	257
	258	/----- Single-type serialization tests -----------------------------------/
	259
	260	static void setup_regdef(struct tvec_regdef *rd, unsigned i,
	261	struct tvec_state *tv)
	262	{
	263	const struct tvec_regdef *r;
	264
	265	for (r = tv->test->regs; r->name; r++) if (r->i == i) goto found;
	266	tvec_error(tv, "internel: register definition not found"); exit(2);
	267	found:
	268	rd[0] = *r; rd[1].name = 0;
	269	}
	270
	271	static void test_single_serialize
	272	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	273	{
	274	struct test_context *tctx = ctx;
275	struct tvec_state *tv = tctx->tv;
276	struct tvec_regdef rd[2];
277	dbuf b = DBUF_INIT;
278	int rc;
279
280	setup_regdef(rd, RV, tv);
281	rc = tvec_serialize(tv->in, DBUF_BUF(&b), rd, NREG,
282	sizeof(struct tvec_reg));
283	out[RRC].v.i = rc;
284	if (rc)
285	out[RSEROUT].f &= ~TVRF_LIVE;
286	else {
287	tvec_allocbytes(&out[RSEROUT].v, BLEN(DBUF_BUF(&b)));
288	memcpy(out[RSEROUT].v.bytes.p, BBASE(DBUF_BUF(&b)), BLEN(DBUF_BUF(&b)));
289	}
290	}
291
292	static void test_single_deserialize
293	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
294	{
295	struct test_context *tctx = ctx;
296	struct tvec_state *tv = tctx->tv;
297	struct tvec_regdef rd[2];
298	buf b;
299	int rc;
300
301	setup_regdef(rd, RV, tv);
302	buf_init(&b, in[RSER].v.bytes.p, in[RSER].v.bytes.sz);
303	rc = tvec_deserialize(tv->out, &b, rd, NREG, sizeof(struct tvec_reg));
304	out[RRC].v.i = rc;
305	if (rc) out[RVOUT].f &= ~TVRF_LIVE;
306	}
307
308	#define SERREG(name, i, ty, argslot, argval) \
309	static DSGINIT(const) struct tvec_regdef name##_serregs[] = { \
310	{ #name, RV, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
311	{ "buf", RSEROUT, &tvty_bytes }, \
312	{ "rc", RRC, &tvty_int, TVRF_OPT, { &tvrange_int } }, \
313	TVEC_ENDREGS \
314	}; \
315	static DSGINIT(const) struct tvec_regdef name##_deserregs[] = { \
316	{ "buf", RSER, &tvty_bytes }, \
317	{ #name, RVOUT, &tvty_##ty, 0, DSGINIT({ .argslot = argval }) }, \
318	{ "left", RLEFT, &tvty_uint, TVRF_OPT, { &tvrange_size } }, \
319	{ "rc", RRC, &tvty_int, TVRF_OPT, { &tvrange_int } }, \
320	TVEC_ENDREGS \
321	};
322	TYPEREGS(SERREG)
323	#undef SERREG
324
c91413e6	325	static void before_single_serialize(struct tvec_state tv, void ctx)
e63124bc	326	{
b64eb60f	327	if (!(tv->in[RRC].f&TVRF_LIVE)) {
db2bf411	328	tv->in[RRC].v.i = 0; tv->in[RRC].f \|= TVRF_LIVE;
e63124bc	329	tv->out[RRC].f \|= TVRF_LIVE;
b64eb60f	330	}
b64eb60f MW	331	}
b64eb60f MW	332
c91413e6	333	static void before_single_deserialize(struct tvec_state tv, void ctx)
db2bf411 MW	334	{
	335	if (!(tv->in[RRC].f&TVRF_LIVE)) {
	336	tv->in[RRC].v.i = 0; tv->in[RRC].f \|= TVRF_LIVE;
	337	tv->out[RRC].f \|= TVRF_LIVE;
	338	}
	339	if (!(tv->in[RLEFT].f&TVRF_LIVE)) {
	340	tv->in[RLEFT].v.u = 0; tv->in[RLEFT].f \|= TVRF_LIVE;
	341	tv->out[RLEFT].f \|= TVRF_LIVE;
	342	}
db2bf411 MW	343	}
	344
	345	static const struct tvec_env single_serialize_testenv = {
	346	sizeof(struct test_context),
	347	common_setup, common_set,
	348	before_single_serialize, common_run, common_after,
	349	0
	350	}, single_deserialize_testenv = {
	351	sizeof(struct test_context),
	352	common_setup, common_set,
	353	before_single_deserialize, common_run, common_after,
	354	0
	355	};
	356
	357	/----- Multi-type serialization test -------------------------------------/
	358
	359	static void test_multi_serialize
b64eb60f MW	360	(const struct tvec_reg in, struct tvec_reg out, void *ctx)
	361	{
	362	struct test_context *tctx = ctx;
	363	struct tvec_state *tv = tctx->tv;
	364	const struct tvec_regdef *rd;
	365	union tvec_regval *rv;
e63124bc	366	dbuf b = DBUF_INIT;
b64eb60f	367
e63124bc	368	if (tvec_serialize(tv->in, DBUF_BUF(&b), tv->test->regs,
db2bf411 MW	369	NTY, sizeof(struct tvec_reg)))
	370	{ out[RRC].v.i = -1; goto end; }
	371	tvec_allocbytes(&out[RSEROUT].v, DBLEN(&b));
	372	memcpy(out[RSEROUT].v.bytes.p, DBBASE(&b), DBLEN(&b));
	373	out[RSEROUT].f \|= TVRF_LIVE;
e63124bc	374	buf_flip(DBUF_BUF(&b));
b64eb60f	375
e63124bc	376	if (tvec_deserialize(tv->out, DBUF_BUF(&b), tv->test->regs,
db2bf411	377	NTY, sizeof(struct tvec_reg)))
e63124bc MW	378	{ out[RRC].v.i = -2; goto end; }
	379	if (BLEFT(&b._b))
	380	{ out[RRC].v.i = -3; goto end; }
b64eb60f	381
3efcfd2d MW	382	if ((in[RSAB].f&TVRF_LIVE) && in[RSAB].v.i >= 0) {
	383	rd = &tv->test->regs[in[RSAB].v.i]; rv = &out[in[RSAB].v.i].v;
	384	if (rd->ty == &tvty_int \|\| rd->ty == &tvty_ienum)
	385	rv->i ^= 1;
	386	else if (rd->ty == &tvty_uint \|\|
	387	rd->ty == &tvty_flags \|\| rd->ty == &tvty_uenum)
	388	rv->u ^= 1;
	389	else if (rd->ty == &tvty_float \|\| rd->ty == &tvty_fenum) {
	390	if (rv->f == rv->f) rv->f = -rv->f;
	391	else rv->f = 1.0;
	392	} else if (rd->ty == &tvty_penum)
	393	rv->p = rv->p
	394	? 0
	395	: (/unconst/ void *)
	396	((const struct tvec_penuminfo *)rd->arg.p)->av[0].p;
	397	else if (rd->ty == &tvty_string)
	398	{ if (rv->str.sz) rv->str.p[0] ^= 1; }
	399	else if (rd->ty == &tvty_bytes)
	400	{ if (rv->bytes.sz) rv->bytes.p[0] ^= 1; }
b64eb60f MW	401	}
	402
	403	out[RRC].v.i = 0;
e63124bc MW	404	end:
e63124bc MW	405	dbuf_destroy(&b);
b64eb60f MW	406	}
b64eb60f MW	407
db2bf411	408	static const struct tvec_iassoc reg_assocs[] = {
3efcfd2d MW	409	{ "none", -1 },
	410	#define DEFASSOC(name, i, ty, argslot, argval) { #name, i },
	411	TYPEREGS(DEFASSOC)
	412	#undef DEFASSOC
	413	{ 0, 0 }
	414	};
db2bf411	415	static const struct tvec_ienuminfo reg_enum = { "reg", reg_assocs, 0 };
3efcfd2d	416
db2bf411	417	static DSGINIT(const) struct tvec_regdef multi_serialize_regs[] = {
b64eb60f MW	418	#define DEFREG(name, i, ty, argslot, argval) \
	419	{ #name, i, &tvty_##ty, TVRF_OPT, \
	420	DSGINIT({ .argslot = argval }) },
	421	TYPEREGS(DEFREG)
	422	#undef DEFREG
db2bf411	423
b64eb60f	424	{ "rc", RRC, &tvty_int, TVRF_OPT, { &tvrange_int } },
db2bf411 MW	425	{ "serialized", RSEROUT, &tvty_bytes, TVRF_OPT },
db2bf411 MW	426	{ "sabotage", RSAB, &tvty_ienum, TVRF_OPT, { &reg_enum } },
b64eb60f	427
db2bf411	428	TVEC_ENDREGS
b64eb60f MW	429	};
b64eb60f MW	430
c91413e6	431	static void before_multi_serialize(struct tvec_state tv, void ctx)
b64eb60f	432	{
db2bf411 MW	433	if (!(tv->in[RRC].f&TVRF_LIVE)) {
	434	tv->in[RRC].v.i = 0; tv->in[RRC].f \|= TVRF_LIVE;
	435	tv->out[RRC].f \|= TVRF_LIVE;
	436	}
b64eb60f MW	437	}
b64eb60f MW	438
db2bf411 MW	439	static const struct tvec_env multi_serialize_testenv = {
	440	sizeof(struct test_context),
	441	common_setup, common_set,
	442	before_multi_serialize, common_run, common_after,
	443	0
e63124bc MW	444	};
e63124bc MW	445
c91413e6 MW	446	/----- Crash test --------------------------------------------------------/
c91413e6 MW	447
31d0247c MW	448	static void test_crash(const struct tvec_reg in, struct tvec_reg out,
31d0247c MW	449	void *ctx)
c91413e6 MW	450	{
	451	out[RVOUT].v.u = in[RV].v.u;
	452	if (in[RSAB].v.i) abort();
	453	}
	454
	455	static const struct tvec_remotefork crash_testenv =
	456	{ TVEC_REMOTEFORK(0, 0) };
	457
	458	static const struct tvec_regdef crash_regs[] = {
	459	{ "crash", RSAB, &tvty_ienum, 0, { &tvenum_bool } },
	460	{ "x", RV, &tvty_uint, 0, { &tvrange_uint } },
	461	{ "z", RVOUT, &tvty_uint, 0, { &tvrange_uint } },
	462	TVEC_ENDREGS
	463	};
	464
31d0247c MW	465	/----- Sleep test --------------------------------------------------------/
	466
	467	static void test_sleep(const struct tvec_reg in, struct tvec_reg out,
	468	void *ctx)
	469	{
	470	struct timeval now, when, tv;
	471	int rc;
	472
	473	rc = gettimeofday(&now, 0); assert(!rc);
	474	tv.tv_sec = in[RV].v.f; tv.tv_usec = 1e6*(in[RV].v.f - tv.tv_sec);
	475
	476	TV_ADD(&when, &now, &tv);
	477	for (;;) {
	478	rc = select(0, 0, 0, 0, &tv); assert(!rc);
	479	rc = gettimeofday(&now, 0); assert(!rc);
	480	if (TV_CMP(&now, >=, &when)) break;
	481	TV_SUB(&tv, &when, &now);
	482	}
	483	out[RVOUT].v.f = in[RV].v.f;
	484	}
	485
	486	static const struct tvec_timeoutenv sleep_subenv =
	487	{ TVEC_TIMEOUTINIT(ITIMER_REAL, 0.25) };
	488	static const struct tvec_remotefork sleep_testenv =
	489	{ TVEC_REMOTEFORK(&sleep_subenv._env, 0) };
	490
	491	static const struct tvec_regdef sleep_regs[] = {
	492	{ "time", RV, &tvty_float, 0, { &tvflt_nonneg } },
	493	{ "z", RVOUT, &tvty_float, 0, { &tvflt_nonneg } },
	494	TVEC_ENDREGS
	495	};
	496
b64eb60f MW	497	/----- Front end ---------------------------------------------------------/
	498
	499	static const struct tvec_test tests[] = {
db2bf411 MW	500	{ "multi", multi_serialize_regs, &multi_serialize_testenv,
	501	test_multi_serialize },
	502
	503	#define DEFSINGLE(name, i, ty, argslot, argval) \
	504	{ "copy-" #name, name##_copyregs, &common_testenv, test_copy_##name }, \
	505	{ "serialize-" #name, name##_serregs, &single_serialize_testenv, \
	506	test_single_serialize }, \
	507	{ "deserialize-" #name, name##_deserregs, &single_deserialize_testenv, \
	508	test_single_deserialize },
	509	TYPEREGS(DEFSINGLE)
	510	#undef DEFSINGLE
	511
31d0247c MW	512	{ "crash", crash_regs, &crash_testenv._env, test_crash },
31d0247c MW	513	{ "sleep", sleep_regs, &sleep_testenv._env, test_sleep },
c91413e6	514
db2bf411	515	TVEC_ENDTESTS
b64eb60f MW	516	};
b64eb60f MW	517
c5e0e403	518	static const struct tvec_config testconfig = {
b64eb60f MW	519	tests,
	520	NROUT, NREG, sizeof(struct tvec_reg)
	521	};
	522
	523	int main(int argc, char *argv[])
	524	{
e63124bc	525	#if __STDC_VERSION__x < 199901
b64eb60f	526	# define POKE(name, i, ty, argslot, argval) \
db2bf411 MW	527	multi_serialize_regs[i].arg.argslot = argval; \
	528	name##_copyregs->arg.argslot = argval; \
	529	name##_serregs->arg.argslot = argval; \
	530	name##_deserregs->arg.argslot = argval;
b64eb60f MW	531	TYPEREGS(POKE)
	532	# undef POKE
	533	#endif
c5e0e403	534	return (tvec_main(argc, argv, &testconfig, 0));
b64eb60f MW	535	}
	536
	537	/----- That's all, folks -------------------------------------------------/