+ int result = 0;
+
+ if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
+ || !TEST_true(PACKET_memdup(&pkt, &data, &len))
+ || !TEST_size_t_eq(len, BUF_LEN)
+ || !TEST_mem_eq(data, len, PACKET_data(&pkt), len)
+ || !TEST_true(PACKET_forward(&pkt, 10))
+ || !TEST_true(PACKET_memdup(&pkt, &data, &len))
+ || !TEST_size_t_eq(len, BUF_LEN - 10)
+ || !TEST_mem_eq(data, len, PACKET_data(&pkt), len))
+ goto end;
+ result = 1;
+end:
+ OPENSSL_free(data);
+ return result;
+}
+
+static int test_PACKET_strndup(void)
+{
+ char buf1[10], buf2[10];
+ char *data = NULL;
+ PACKET pkt;
+ int result = 0;
+
+ memset(buf1, 'x', 10);
+ memset(buf2, 'y', 10);
+ buf2[5] = '\0';
+
+ if (!TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf1, 10))
+ || !TEST_true(PACKET_strndup(&pkt, &data))
+ || !TEST_size_t_eq(strlen(data), 10)
+ || !TEST_strn_eq(data, buf1, 10)
+ || !TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf2, 10))
+ || !TEST_true(PACKET_strndup(&pkt, &data))
+ || !TEST_size_t_eq(strlen(data), 5)
+ || !TEST_str_eq(data, buf2))
+ goto end;
+
+ result = 1;
+end:
+ OPENSSL_free(data);
+ return result;
+}
+
+static int test_PACKET_contains_zero_byte(void)
+{
+ char buf1[10], buf2[10];
+ PACKET pkt;
+
+ memset(buf1, 'x', 10);
+ memset(buf2, 'y', 10);
+ buf2[5] = '\0';
+
+ if (!TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf1, 10))
+ || !TEST_false(PACKET_contains_zero_byte(&pkt))
+ || !TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf2, 10))
+ || !TEST_true(PACKET_contains_zero_byte(&pkt)))
+ return 0;
+
+ return 1;
+}
+
+static int test_PACKET_forward(void)
+{
+ const unsigned char *byte = NULL;
+ PACKET pkt;
+
+ 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;