server-skynet-source-3rd-je.../test/integration/posix_memalign.c
Jason Evans 86abd0dcd8 Refactor to support more varied testing.
Refactor the test harness to support three types of tests:
- unit: White box unit tests.  These tests have full access to all
  internal jemalloc library symbols.  Though in actuality all symbols
  are prefixed by jet_, macro-based name mangling abstracts this away
  from test code.
- integration: Black box integration tests.  These tests link with
  the installable shared jemalloc library, and with the exception of
  some utility code and configure-generated macro definitions, they have
  no access to jemalloc internals.
- stress: Black box stress tests.  These tests link with the installable
  shared jemalloc library, as well as with an internal allocator with
  symbols prefixed by jet_ (same as for unit tests) that can be used to
  allocate data structures that are internal to the test code.

Move existing tests into test/{unit,integration}/ as appropriate.

Split out internal parts of jemalloc_defs.h.in and put them in
jemalloc_internal_defs.h.in.  This reduces internals exposure to
applications that #include <jemalloc/jemalloc.h>.

Refactor jemalloc.h header generation so that a single header file
results, and the prototypes can be used to generate jet_ prototypes for
tests.  Split jemalloc.h.in into multiple parts (jemalloc_defs.h.in,
jemalloc_macros.h.in, jemalloc_protos.h.in, jemalloc_mangle.h.in) and
use a shell script to generate a unified jemalloc.h at configure time.

Change the default private namespace prefix from "" to "je_".

Add missing private namespace mangling.

Remove hard-coded private_namespace.h.  Instead generate it and
private_unnamespace.h from private_symbols.txt.  Use similar logic for
public symbols, which aids in name mangling for jet_ symbols.

Add test_warn() and test_fail().  Replace existing exit(1) calls with
test_fail() calls.
2013-12-03 22:06:59 -08:00

114 lines
2.5 KiB
C

#include "test/jemalloc_test.h"
#define CHUNK 0x400000
/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */
#define MAXALIGN ((size_t)0x2000000LU)
#define NITER 4
int
main(void)
{
size_t alignment, size, total;
unsigned i;
int err;
void *p, *ps[NITER];
malloc_printf("Test begin\n");
/* Test error conditions. */
for (alignment = 0; alignment < sizeof(void *); alignment++) {
err = posix_memalign(&p, alignment, 1);
if (err != EINVAL) {
malloc_printf(
"Expected error for invalid alignment %zu\n",
alignment);
}
}
for (alignment = sizeof(size_t); alignment < MAXALIGN;
alignment <<= 1) {
err = posix_memalign(&p, alignment + 1, 1);
if (err == 0) {
malloc_printf(
"Expected error for invalid alignment %zu\n",
alignment + 1);
}
}
#if LG_SIZEOF_PTR == 3
alignment = UINT64_C(0x8000000000000000);
size = UINT64_C(0x8000000000000000);
#else
alignment = 0x80000000LU;
size = 0x80000000LU;
#endif
err = posix_memalign(&p, alignment, size);
if (err == 0) {
malloc_printf(
"Expected error for posix_memalign(&p, %zu, %zu)\n",
alignment, size);
}
#if LG_SIZEOF_PTR == 3
alignment = UINT64_C(0x4000000000000000);
size = UINT64_C(0x8400000000000001);
#else
alignment = 0x40000000LU;
size = 0x84000001LU;
#endif
err = posix_memalign(&p, alignment, size);
if (err == 0) {
malloc_printf(
"Expected error for posix_memalign(&p, %zu, %zu)\n",
alignment, size);
}
alignment = 0x10LU;
#if LG_SIZEOF_PTR == 3
size = UINT64_C(0xfffffffffffffff0);
#else
size = 0xfffffff0LU;
#endif
err = posix_memalign(&p, alignment, size);
if (err == 0) {
malloc_printf(
"Expected error for posix_memalign(&p, %zu, %zu)\n",
alignment, size);
}
for (i = 0; i < NITER; i++)
ps[i] = NULL;
for (alignment = 8;
alignment <= MAXALIGN;
alignment <<= 1) {
total = 0;
malloc_printf("Alignment: %zu\n", alignment);
for (size = 1;
size < 3 * alignment && size < (1U << 31);
size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) {
for (i = 0; i < NITER; i++) {
err = posix_memalign(&ps[i],
alignment, size);
if (err) {
test_fail(
"Error for size %zu (%#zx): %s\n",
size, size, strerror(err));
}
total += malloc_usable_size(ps[i]);
if (total >= (MAXALIGN << 1))
break;
}
for (i = 0; i < NITER; i++) {
if (ps[i] != NULL) {
free(ps[i]);
ps[i] = NULL;
}
}
}
}
malloc_printf("Test end\n");
return (0);
}