selftests/tls: Add test for recv(PEEK) spanning across multiple records

Added test case to receive multiple records with a single recvmsg()
operation with a MSG_PEEK set.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index b3ebf26..07daff0 100644 (file)
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -502,6 +502,28 @@ TEST_F(tls, recv_peek_multiple)
        EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
 }
 
+TEST_F(tls, recv_peek_large_buf_mult_recs)
+{
+       char const *test_str = "test_read_peek_mult_recs";
+       char const *test_str_first = "test_read_peek";
+       char const *test_str_second = "_mult_recs";
+       int len;
+       char buf[64];
+
+       len = strlen(test_str_first);
+       EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
+
+       len = strlen(test_str_second) + 1;
+       EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
+
+       len = sizeof(buf);
+       memset(buf, 0, len);
+       EXPECT_NE(recv(self->cfd, buf, len, MSG_PEEK), -1);
+
+       len = strlen(test_str) + 1;
+       EXPECT_EQ(memcmp(test_str, buf, len), 0);
+}
+
 TEST_F(tls, pollin)
 {
        char const *test_str = "test_poll";