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da31917f4f
Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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#include <string.h>
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SETUP_TEARDOWN_TESTCONTEXT
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void test_stream_exceeds_buffer ()
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{
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const int msgsize = 8193;
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char sndbuf[msgsize] = "\xde\xad\xbe\xef";
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unsigned char rcvbuf[msgsize];
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char my_endpoint[MAX_SOCKET_STRING];
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int server_sock = bind_socket_resolve_port ("127.0.0.1", "0", my_endpoint);
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void *zsock = test_context_socket (ZMQ_STREAM);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (zsock, my_endpoint));
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int client_sock =
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TEST_ASSERT_SUCCESS_RAW_ERRNO (accept (server_sock, NULL, NULL));
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TEST_ASSERT_SUCCESS_RAW_ERRNO (close (server_sock));
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TEST_ASSERT_EQUAL_INT (msgsize, send (client_sock, sndbuf, msgsize, 0));
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zmq_msg_t msg;
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zmq_msg_init (&msg);
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int rcvbytes = 0;
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while (rcvbytes == 0) // skip connection notification, if any
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{
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TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, zsock, 0)); // peerid
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TEST_ASSERT_TRUE (zmq_msg_more (&msg));
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rcvbytes = TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, zsock, 0));
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TEST_ASSERT_FALSE (zmq_msg_more (&msg));
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}
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// for this test, we only collect the first chunk
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// since the corruption already occurs in the first chunk
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memcpy (rcvbuf, zmq_msg_data (&msg), zmq_msg_size (&msg));
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zmq_msg_close (&msg);
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test_context_socket_close (zsock);
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close (client_sock);
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TEST_ASSERT_GREATER_OR_EQUAL (4, rcvbytes);
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// notice that only the 1st byte gets corrupted
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TEST_ASSERT_EQUAL_UINT (0xef, rcvbuf[3]);
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TEST_ASSERT_EQUAL_UINT (0xbe, rcvbuf[2]);
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TEST_ASSERT_EQUAL_UINT (0xad, rcvbuf[1]);
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TEST_ASSERT_EQUAL_UINT (0xde, rcvbuf[0]);
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}
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int main ()
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{
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UNITY_BEGIN ();
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RUN_TEST (test_stream_exceeds_buffer);
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return UNITY_END ();
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}
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