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unittests: add test for packet buffer alignment issues

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This commit is contained in:
Martine Lenders 2015-07-05 00:22:14 +02:00
parent 5d18244b39
commit 057ad18f22
1 changed files with 20 additions and 0 deletions
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20
tests/unittests/tests-pktbuf/tests-pktbuf.c
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@ -273,6 +273,25 @@ static void test_pktbuf_add__packed_struct(void)
TEST_ASSERT_EQUAL_INT(data.s64, data_cpy->s64);
}
static void test_pktbuf_add__unaligned_in_aligned_hole(void)
{
ng_pktsnip_t *pkt1 = ng_pktbuf_add(NULL, NULL, 8, NG_NETTYPE_UNDEF);
ng_pktsnip_t *pkt2 = ng_pktbuf_add(NULL, NULL, 8, NG_NETTYPE_UNDEF);
ng_pktsnip_t *pkt3 = ng_pktbuf_add(NULL, NULL, 8, NG_NETTYPE_UNDEF);
ng_pktsnip_t *pkt4;
void *tmp_data2 = pkt2->data;
ng_pktbuf_release(pkt2);
pkt4 = ng_pktbuf_add(NULL, TEST_STRING8, 9, NG_NETTYPE_UNDEF);
TEST_ASSERT(tmp_data2 != pkt4->data);
ng_pktbuf_release(pkt1);
ng_pktbuf_release(pkt3);
ng_pktbuf_release(pkt4);
TEST_ASSERT(ng_pktbuf_is_empty());
}
static void test_pktbuf_realloc_data__pkt_NULL(void)
{
TEST_ASSERT_EQUAL_INT(ENOENT, ng_pktbuf_realloc_data(NULL, 0));
@ -615,6 +634,7 @@ Test *tests_pktbuf_tests(void)
#endif
new_TestFixture(test_pktbuf_add__success),
new_TestFixture(test_pktbuf_add__packed_struct),
new_TestFixture(test_pktbuf_add__unaligned_in_aligned_hole),
new_TestFixture(test_pktbuf_realloc_data__pkt_NULL),
new_TestFixture(test_pktbuf_realloc_data__pkt_wrong),
new_TestFixture(test_pktbuf_realloc_data__pkt_data_wrong),