From RFC 7252, section 3
"The absence of the Payload Marker denotes a zero-length payload.
The presence of a marker followed by a zero-length payload MUST
be processed as a message format error."
Check empty payload when COAP_MARKER is found and add a test case to
cover it
Signed-off-by: Robert Chou <robert.ch.chou@acer.com>
The payload variable was one byte long but we read 32 bytes
from it.
Coverity-CID: 178064
Fixes#4397
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
ZoAP tests are modified to use new CoAP API. Also modified tests
name from 'zoap' to 'coap'.
Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
