+ if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
+ || !TEST_true(PACKET_forward(&pkt, 1))
+ || !TEST_true(PACKET_get_bytes(&pkt, &byte, 1))
+ || !TEST_uchar_eq(byte[0], 4)
+ || !TEST_true(PACKET_forward(&pkt, BUF_LEN - 3))
+ || !TEST_true(PACKET_get_bytes(&pkt, &byte, 1))
+ || !TEST_uchar_eq(byte[0], 0xfe))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_buf_init(void)
+{
+ unsigned char buf1[BUF_LEN];
+ PACKET pkt;
+
+ /* Also tests PACKET_remaining() */
+ if (!TEST_true(PACKET_buf_init(&pkt, buf1, 4))
+ || !TEST_size_t_eq(PACKET_remaining(&pkt), 4)
+ || !TEST_true(PACKET_buf_init(&pkt, buf1, BUF_LEN))
+ || !TEST_size_t_eq(PACKET_remaining(&pkt), BUF_LEN)
+ || !TEST_false(PACKET_buf_init(&pkt, buf1, -1)))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_null_init(void)
+{
+ PACKET pkt;
+
+ PACKET_null_init(&pkt);
+ if (!TEST_size_t_eq(PACKET_remaining(&pkt), 0)
+ || !TEST_false(PACKET_forward(&pkt, 1)))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_equal(void)
+{
+ PACKET pkt;
+
+ if (!TEST_true(PACKET_buf_init(&pkt, smbuf, 4))
+ || !TEST_true(PACKET_equal(&pkt, smbuf, 4))
+ || !TEST_false(PACKET_equal(&pkt, smbuf + 1, 4))
+ || !TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
+ || !TEST_true(PACKET_equal(&pkt, smbuf, BUF_LEN))
+ || !TEST_false(PACKET_equal(&pkt, smbuf, BUF_LEN - 1))
+ || !TEST_false(PACKET_equal(&pkt, smbuf, BUF_LEN + 1))
+ || !TEST_false(PACKET_equal(&pkt, smbuf, 0)))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_get_length_prefixed_1(void)
+{
+ unsigned char buf1[BUF_LEN];
+ const size_t len = 16;
+ unsigned int i;
+ PACKET pkt, short_pkt, subpkt = {0};
+
+ buf1[0] = (unsigned char)len;
+ for (i = 1; i < BUF_LEN; i++)
+ buf1[i] = (i * 2) & 0xff;
+
+ if (!TEST_true(PACKET_buf_init(&pkt, buf1, BUF_LEN))
+ || !TEST_true(PACKET_buf_init(&short_pkt, buf1, len))
+ || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&subpkt), len)
+ || !TEST_true(PACKET_get_net_2(&subpkt, &i))
+ || !TEST_uint_eq(i, 0x0204)
+ || !TEST_false(PACKET_get_length_prefixed_1(&short_pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&short_pkt), len))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_get_length_prefixed_2(void)
+{
+ unsigned char buf1[1024];
+ const size_t len = 516; /* 0x0204 */
+ unsigned int i;
+ PACKET pkt, short_pkt, subpkt = {0};
+
+ for (i = 1; i <= 1024; i++)
+ buf1[i - 1] = (i * 2) & 0xff;
+
+ if (!TEST_true(PACKET_buf_init(&pkt, buf1, 1024))
+ || !TEST_true(PACKET_buf_init(&short_pkt, buf1, len))
+ || !TEST_true(PACKET_get_length_prefixed_2(&pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&subpkt), len)
+ || !TEST_true(PACKET_get_net_2(&subpkt, &i))
+ || !TEST_uint_eq(i, 0x0608)
+ || !TEST_false(PACKET_get_length_prefixed_2(&short_pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&short_pkt), len))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_get_length_prefixed_3(void)
+{
+ unsigned char buf1[1024];
+ const size_t len = 516; /* 0x000204 */
+ unsigned int i;
+ PACKET pkt, short_pkt, subpkt = {0};
+
+ for (i = 0; i < 1024; i++)
+ buf1[i] = (i * 2) & 0xff;
+
+ if (!TEST_true(PACKET_buf_init(&pkt, buf1, 1024))
+ || !TEST_true(PACKET_buf_init(&short_pkt, buf1, len))
+ || !TEST_true(PACKET_get_length_prefixed_3(&pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&subpkt), len)
+ || !TEST_true(PACKET_get_net_2(&subpkt, &i))
+ || !TEST_uint_eq(i, 0x0608)
+ || !TEST_false(PACKET_get_length_prefixed_3(&short_pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&short_pkt), len))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_as_length_prefixed_1(void)
+{
+ unsigned char buf1[BUF_LEN];
+ const size_t len = 16;
+ unsigned int i;
+ PACKET pkt, exact_pkt, subpkt = {0};
+
+ buf1[0] = (unsigned char)len;
+ for (i = 1; i < BUF_LEN; i++)
+ buf1[i] = (i * 2) & 0xff;
+
+ if (!TEST_true(PACKET_buf_init(&pkt, buf1, BUF_LEN))
+ || !TEST_true(PACKET_buf_init(&exact_pkt, buf1, len + 1))
+ || !TEST_false(PACKET_as_length_prefixed_1(&pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&pkt), BUF_LEN)
+ || !TEST_true(PACKET_as_length_prefixed_1(&exact_pkt, &subpkt))
+ || !TEST_size_t_eq(PACKET_remaining(&exact_pkt), 0)
+ || !TEST_size_t_eq(PACKET_remaining(&subpkt), len))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_as_length_prefixed_2(void)
+{
+ unsigned char buf[1024];
+ const size_t len = 516; /* 0x0204 */
+ unsigned int i;
+ PACKET pkt, exact_pkt, subpkt = {0};
+
+ for (i = 1; i <= 1024; i++)