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heap: Fix heap metadata test to account for background memory allocations

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Angus Gratton 2018-07-30 11:41:30 +10:00 committed by Angus Gratton
parent fb30315d01
commit d444469cae
1 changed files with 5 additions and 2 deletions
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7
components/heap/test/test_malloc_caps.c
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@ -103,8 +103,11 @@ TEST_CASE("heap_caps metadata test", "[heap]")
free(b);
heap_caps_get_info(&after, MALLOC_CAP_8BIT);
TEST_ASSERT_EQUAL(after.total_free_bytes, original.total_free_bytes);
TEST_ASSERT_EQUAL(after.largest_free_block, original.largest_free_block);
/* Allow some leeway here, because LWIP sometimes allocates up to 144 bytes in the background
as part of timer management.
*/
TEST_ASSERT_INT32_WITHIN(200, after.total_free_bytes, original.total_free_bytes);
TEST_ASSERT_INT32_WITHIN(200, after.largest_free_block, original.largest_free_block);
TEST_ASSERT(after.minimum_free_bytes < original.total_free_bytes);
}