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malloctest: Add tests for malloc_usable_size

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A few tests for malloc_usable_size.
This commit is contained in:
Jeremy Lorelli
2025-07-16 21:22:14 -07:00
committed by Amar Takhar
parent 20baae458d
commit 272d355c42
1 changed files with 35 additions and 0 deletions
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35
testsuites/libtests/malloctest/init.c
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@@ -42,6 +42,7 @@
#include <rtems/score/protectedheap.h> #include <rtems/score/protectedheap.h>
#include <rtems/malloc.h> #include <rtems/malloc.h>
#include <rtems/sysinit.h> #include <rtems/sysinit.h>
#include <malloc.h>
const char rtems_test_name[] = "MALLOCTEST"; const char rtems_test_name[] = "MALLOCTEST";
@@ -1414,6 +1415,39 @@ static void test_alloc_zero_size(void)
rtems_test_assert( errno == -1 ); rtems_test_assert( errno == -1 );
} }
static void test_malloc_usable_size(void)
{
void *p1, *p2;
size_t sz1, sz2;
p1 = malloc( 120 );
rtems_test_assert( p1 != NULL );
rtems_test_assert( errno == -1 );
sz1 = malloc_usable_size( p1 );
rtems_test_assert( sz1 != 0 );
rtems_test_assert( sz1 >= 120 );
p2 = malloc( 500 );
rtems_test_assert( p2 != NULL );
rtems_test_assert( errno == -1 );
sz2 = malloc_usable_size( p2 );
rtems_test_assert( sz2 != 0 );
rtems_test_assert( sz2 >= 500 );
p1 = realloc( p1, 500 );
rtems_test_assert( p1 != NULL );
rtems_test_assert( errno == -1 );
sz1 = malloc_usable_size( p1 );
rtems_test_assert( sz1 != 0 );
rtems_test_assert( sz1 >= 500 );
free( p1 );
free( p2 );
}
rtems_task Init( rtems_task Init(
rtems_task_argument argument rtems_task_argument argument
) )
@@ -1459,6 +1493,7 @@ rtems_task Init(
test_rtems_calloc(); test_rtems_calloc();
test_greedy_allocate(); test_greedy_allocate();
test_alloc_zero_size(); test_alloc_zero_size();
test_malloc_usable_size();
test_posix_memalign(); test_posix_memalign();