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net/gcoap: verify error when overfill on coap_opt_finish

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This commit is contained in:
Ken Bannister 2019-02-02 07:45:18 -05:00
parent 58faa35156
commit 7d259cc268
1 changed files with 23 additions and 1 deletions
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24
tests/unittests/tests-gcoap/tests-gcoap.c
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@ -133,7 +133,7 @@ static void test_gcoap__client_get_resp(void)
*/
static void test_gcoap__client_put_req(void)
{
uint8_t buf[GCOAP_PDU_BUF_SIZE];
uint8_t buf[GCOAP_PDU_BUF_SIZE]; /* header 4, token 2, path 11 */
coap_pkt_t pdu;
size_t len;
char path[] = "/riot/value";
@ -151,6 +151,27 @@ static void test_gcoap__client_put_req(void)
TEST_ASSERT_EQUAL_INT('1', (char)*pdu.payload);
}
/*
* Builds on client_put_req to test overfill on coap_opt_finish().
*/
static void test_gcoap__client_put_req_overfill(void)
{
/* header 4, token 2, path 11, format 1, marker 1 = 19 */
uint8_t buf[18+GCOAP_REQ_OPTIONS_BUF];
coap_pkt_t pdu;
ssize_t len;
char path[] = "/riot/value";
gcoap_req_init(&pdu, buf, sizeof(buf), COAP_METHOD_PUT, path);
TEST_ASSERT_EQUAL_INT(1, pdu.payload_len);
coap_opt_add_format(&pdu, COAP_FORMAT_TEXT);
TEST_ASSERT_EQUAL_INT(0, pdu.payload_len);
len = coap_opt_finish(&pdu, COAP_OPT_FINISH_PAYLOAD);
TEST_ASSERT_EQUAL_INT(-ENOSPC, len);
}
/*
* Builds on get_req test, to test gcoap_add_qstring() to add Uri-Query
* options.
@ -375,6 +396,7 @@ Test *tests_gcoap_tests(void)
new_TestFixture(test_gcoap__client_get_req),
new_TestFixture(test_gcoap__client_get_resp),
new_TestFixture(test_gcoap__client_put_req),
new_TestFixture(test_gcoap__client_put_req_overfill),
new_TestFixture(test_gcoap__client_get_query),
new_TestFixture(test_gcoap__client_get_path_defer),
new_TestFixture(test_gcoap__server_get_req),