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/* testlib.h: TEST LIBRARY INTERFACE
*
* $Id$
* Copyright (c) 2001-2013 Ravenbrook Limited. See end of file for license.
* Portions copyright (C) 2002 Global Graphics Software.
*
* .purpose: A library of functions that may be of use to unit tests.
*/
#ifndef testlib_h
#define testlib_h
#include "mps.h"
#include "misc.h" /* for STR */
/* Include system header hackery. */
#include "mpstd.h"
#ifdef MPS_OS_W3
#include "mpswin.h"
#endif
#ifdef MPS_OS_XC
#include "osxc.h"
#endif
#include <stdio.h>
/* Suppress Visual C warnings at warning level 4, */
/* see mail.richard.1997-09-25.13-26. */
/* Essentially the same settings are done in config.h. */
#ifdef MPS_BUILD_MV
/* "unreferenced inline function has been removed" (windows.h) */
#pragma warning(disable: 4514)
/* "constant conditional" (MPS_END) */
#pragma warning(disable: 4127)
/* MSVC 2.0 generates a warning when using NOCHECK or UNUSED */
#ifdef _MSC_VER
#if _MSC_VER < 1000
#pragma warning(disable: 4705)
#endif
#else /* _MSC_VER */
#error "Expected _MSC_VER to be defined for builder.mv"
#endif /* _MSC_VER */
/* MSVC 10.00 on PowerPC generates erroneous warnings about */
/* uninitialized local variables, if you take their address. */
#ifdef MPS_ARCH_PP
#pragma warning(disable: 4701)
#endif
/* Non-checking varieties give many spurious warnings because parameters
* are suddenly unused, etc. We aren't interested in these.
*/
#if defined(AVER_AND_CHECK_NONE)
/* "unreferenced formal parameter" */
#pragma warning(disable: 4100)
/* "unreferenced local function has been removed" */
#pragma warning(disable: 4505)
#endif
#endif /* MPS_BUILD_MV */
/* ulongest_t -- longest unsigned integer type
*
* Define a longest unsigned integer type for testing, scanning, and
* printing. We'd like to use C99's uintmax_t and PRIuMAX here, but
* the MPS is in C89 and C99 isn't supported by Microsoft.
*
* We avoid using the types defined in mpstd.h because we want the
* tests to root out any incompatible assumptions by breaking.
*/
#if defined(MPS_ARCH_I6)
#define PRIwWORD "16"
#elif defined(MPS_ARCH_I3)
#define PRIwWORD "8"
#else
#error "How many beans make five?"
#endif
#ifdef MPS_PF_W3I6MV
#define PRIuLONGEST "llu"
#define SCNuLONGEST "llu"
#define SCNXLONGEST "llX"
#define PRIXLONGEST "llX"
typedef unsigned long long ulongest_t;
typedef long long longest_t;
#define MPS_WORD_CONST(n) (n##ull)
#else
#define PRIuLONGEST "lu"
#define SCNuLONGEST "lu"
#define SCNXLONGEST "lX"
#define PRIXLONGEST "lX"
typedef unsigned long ulongest_t;
typedef long longest_t;
#define MPS_WORD_CONST(n) (n##ul)
#endif
#define PRIXPTR "0"PRIwWORD PRIXLONGEST
/* testlib_unused -- declares that a variable is unused
*
* It should be used to prevent compiler warnings about unused
* variables. Care should be exercised; the fact that a variable
* is unused may need justification.
*/
#define testlib_unused(v) ((void)(v))
/* die -- succeed or die
*
* If the first argument is not ResOK then prints the second
* argument on stderr and exits the program. Otherwise does nothing.
*
* Typical use:
* die(mps_ap_create(&ap, pool, mps_rank_exact()), "APCreate");
*/
extern void die(mps_res_t res, const char *s);
/* die_expect -- get expected result or die
*
* If the first argument is not the same as the second argument,
* prints the third argument on stderr and exits the program.
* Otherwise does nothing.
*
* Typical use:
* die_expect(res, MPS_RES_COMMIT_LIMIT, "Commit limit allocation");
*/
extern void die_expect(mps_res_t res, mps_res_t expected, const char *s);
/* cdie -- succeed or die
*
* If the first argument is not true (non-zero) then prints the second
* argument on stderr and exits the program. Otherwise does nothing.
*
* Typical use:
* cdie(foo != NULL, "No foo");
*/
extern void cdie(int res, const char *s);
/* assert_die -- always die on assertion
*
* The MPS assertion handler may not stop in the HOT variety,
* preventing tests from detecting defects. This one does.
*/
void assert_die(const char *file, unsigned line, const char *condition);
/* error, verror -- die with message */
extern void error(const char *format, ...);
extern void verror(const char *format, va_list args);
/* Insist -- like assert, but even in release varieties */
#define Insist(cond) insist1(cond, #cond)
#define insist1(cond, condstring) \
if(cond) \
NOOP; \
else \
cdie(cond, condstring "\n" __FILE__ "\n" STR(__LINE__))
/* fail -- like assert, but (notionally) returns a value, so usable in an expression */
extern int fail(void);
/* rnd -- random number generator
*
* rnd() generates a sequence of integers in the range [1, 2^31-2].
*/
extern unsigned long rnd(void);
typedef unsigned long rnd_state_t;
extern rnd_state_t rnd_state(void);
extern void rnd_state_set(rnd_state_t state_v3);
extern void rnd_state_set_v2(rnd_state_t seed0_v2); /* legacy */
/* rnd_verify() -- checks behaviour of rnd() */
extern void rnd_verify(int depth);
/* rnd_addr -- random number generator
*
* rnd_addr() generates a sequence of addresses all over the address space.
*/
extern mps_addr_t rnd_addr(void);
/* rnd_double -- uniformly distributed random number between 0.0 and 1.0 */
extern double rnd_double(void);
/* randomize -- randomize the generator, or initialize to replay
*
* randomize(argc, argv) randomizes the rnd generator (using time(3))
* and prints out the randomization seed, or takes a seed (as a command-
* line argument) and initializes the generator to the same state.
*/
extern void randomize(int argc, char *argv[]);
#endif /* testlib_h */
/* C. COPYRIGHT AND LICENSE
*
* Copyright (C) 2001-2002, 2008 Ravenbrook Limited <http://www.ravenbrook.com/>.
* All rights reserved. This is an open source license. Contact
* Ravenbrook for commercial licensing options.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Redistributions in any form must be accompanied by information on how
* to obtain complete source code for this software and any accompanying
* software that uses this software. The source code must either be
* included in the distribution or be available for no more than the cost
* of distribution plus a nominal fee, and must be freely redistributable
* under reasonable conditions. For an executable file, complete source
* code means the source code for all modules it contains. It does not
* include source code for modules or files that typically accompany the
* major components of the operating system on which the executable file
* runs.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
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