Commit 1a879671 authored by Wei Yang's avatar Wei Yang Committed by Mike Rapoport (IBM)
Browse files

memblock tests: add memblock_overlaps_region_checks 



Add a test case for memblock_overlaps_region().

Signed-off-by: default avatarWei Yang <richard.weiyang@gmail.com>
Link: https://lore.kernel.org/r/20240507075833.6346-5-richard.weiyang@gmail.com


Signed-off-by: default avatarMike Rapoport (IBM) <rppt@kernel.org>
parent 3aca2cea

tools/testing/memblock/tests/basic_api.c

+48 −0
Original line number Diff line number Diff line
@@ -2387,6 +2387,53 @@ static int memblock_trim_memory_checks(void) 
	return 0;

}



static int memblock_overlaps_region_check(void)

{

	struct region r = {

		.base = SZ_1G,

		.size = SZ_4M

	};



	PREFIX_PUSH();



	reset_memblock_regions();

	memblock_add(r.base, r.size);



	/* Far Away */

	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_1M, SZ_1M));

	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_2G, SZ_1M));



	/* Neighbor */

	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_1G - SZ_1M, SZ_1M));

	ASSERT_FALSE(memblock_overlaps_region(&memblock.memory, SZ_1G + SZ_4M, SZ_1M));



	/* Partial Overlap */

	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G - SZ_1M, SZ_2M));

	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G + SZ_2M, SZ_2M));



	/* Totally Overlap */

	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G, SZ_4M));

	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G - SZ_2M, SZ_8M));

	ASSERT_TRUE(memblock_overlaps_region(&memblock.memory, SZ_1G + SZ_1M, SZ_1M));



	test_pass_pop();



	return 0;

}



static int memblock_overlaps_region_checks(void)

{

	prefix_reset();

	prefix_push("memblock_overlaps_region");

	test_print("Running memblock_overlaps_region tests...\n");



	memblock_overlaps_region_check();



	prefix_pop();



	return 0;

}



int memblock_basic_checks(void)

{

	memblock_initialization_check();
@@ -2396,6 +2443,7 @@ int memblock_basic_checks(void) 
	memblock_free_checks();

	memblock_bottom_up_checks();

	memblock_trim_memory_checks();

	memblock_overlaps_region_checks();



	return 0;

}

tools/testing/memblock/tests/common.h

+3 −0
Original line number Diff line number Diff line
@@ -40,6 +40,9 @@ enum test_flags { 
	assert((_expected) == (_seen)); \

} while (0)



#define ASSERT_TRUE(_seen) ASSERT_EQ(true, _seen)

#define ASSERT_FALSE(_seen) ASSERT_EQ(false, _seen)



/**

 * ASSERT_NE():

 * Check the condition