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test-bitmap: add test for bitmap_set 

Add a test for bitmap_set. There are three cases:

  * Both start and end is BITS_PER_LONG aligned
  * Only start is BITS_PER_LONG aligned
  * Only end is BITS_PER_LONG aligned

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190718010456.4234-3-richardw.yang@linux.intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Wei Yang 2019-07-18 09:04:56 +08:00 committed by Paolo Bonzini
parent 1849f297f5
commit 2f950b1e44
1 changed files with 55 additions and 0 deletions
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55
tests/test-bitmap.c
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@ -59,12 +59,67 @@ static void check_bitmap_copy_with_offset(void)
g_free(bmap3);
}
typedef void (*bmap_set_func)(unsigned long *map, long i, long len);
static void bitmap_set_case(bmap_set_func set_func)
{
unsigned long *bmap;
int offset;
bmap = bitmap_new(BMAP_SIZE);
/* Both Aligned, set bits [BITS_PER_LONG, 3*BITS_PER_LONG] */
set_func(bmap, BITS_PER_LONG, 2 * BITS_PER_LONG);
g_assert_cmpuint(bmap[1], ==, -1ul);
g_assert_cmpuint(bmap[2], ==, -1ul);
g_assert_cmpint(find_first_bit(bmap, BITS_PER_LONG), ==, BITS_PER_LONG);
g_assert_cmpint(find_next_zero_bit(bmap, 3 * BITS_PER_LONG, BITS_PER_LONG),
==, 3 * BITS_PER_LONG);
for (offset = 0; offset <= BITS_PER_LONG; offset++) {
bitmap_clear(bmap, 0, BMAP_SIZE);
/* End Aligned, set bits [BITS_PER_LONG - offset, 3*BITS_PER_LONG] */
set_func(bmap, BITS_PER_LONG - offset, 2 * BITS_PER_LONG + offset);
g_assert_cmpuint(bmap[1], ==, -1ul);
g_assert_cmpuint(bmap[2], ==, -1ul);
g_assert_cmpint(find_first_bit(bmap, BITS_PER_LONG),
==, BITS_PER_LONG - offset);
g_assert_cmpint(find_next_zero_bit(bmap,
3 * BITS_PER_LONG,
BITS_PER_LONG - offset),
==, 3 * BITS_PER_LONG);
}
for (offset = 0; offset <= BITS_PER_LONG; offset++) {
bitmap_clear(bmap, 0, BMAP_SIZE);
/* Start Aligned, set bits [BITS_PER_LONG, 3*BITS_PER_LONG + offset] */
set_func(bmap, BITS_PER_LONG, 2 * BITS_PER_LONG + offset);
g_assert_cmpuint(bmap[1], ==, -1ul);
g_assert_cmpuint(bmap[2], ==, -1ul);
g_assert_cmpint(find_first_bit(bmap, BITS_PER_LONG),
==, BITS_PER_LONG);
g_assert_cmpint(find_next_zero_bit(bmap,
3 * BITS_PER_LONG + offset,
BITS_PER_LONG),
==, 3 * BITS_PER_LONG + offset);
}
g_free(bmap);
}
static void check_bitmap_set(void)
{
bitmap_set_case(bitmap_set);
bitmap_set_case(bitmap_set_atomic);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/bitmap/bitmap_copy_with_offset",
check_bitmap_copy_with_offset);
g_test_add_func("/bitmap/bitmap_set",
check_bitmap_set);
g_test_run();