From c78eefba498ffafc3cb577a72492256849384de6 Mon Sep 17 00:00:00 2001
From: Fred Sundvik <fsundvik@gmail.com>
Date: Sat, 20 Feb 2016 15:49:31 +0200
Subject: [PATCH] Add first transport tests

---
 serial_link/protocol/transport.c    | 39 +++++++++++++++++++++++++++++
 serial_link/protocol/transport.h    |  2 ++
 serial_link/tests/transport_tests.c | 39 +++++++++++++++++++++++++++++
 3 files changed, 80 insertions(+)
 create mode 100644 serial_link/protocol/transport.c
 create mode 100644 serial_link/tests/transport_tests.c

diff --git a/serial_link/protocol/transport.c b/serial_link/protocol/transport.c
new file mode 100644
index 00000000..399894ff
--- /dev/null
+++ b/serial_link/protocol/transport.c
@@ -0,0 +1,39 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 Fred Sundvik
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "protocol/transport.h"
+
+static uint32_t current_send_frame;
+
+void init_transport(void) {
+    current_send_frame = 0;
+}
+
+void transport_recv_frame(uint8_t from, uint8_t* data, uint16_t size) {
+
+}
+
+uint32_t transport_send_frame(uint8_t to, uint8_t* data, uint16_t size) {
+    return ++current_send_frame;
+}
diff --git a/serial_link/protocol/transport.h b/serial_link/protocol/transport.h
index a40d64d4..01119857 100644
--- a/serial_link/protocol/transport.h
+++ b/serial_link/protocol/transport.h
@@ -22,4 +22,6 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
+void init_transport(void);
 void transport_recv_frame(uint8_t from, uint8_t* data, uint16_t size);
+uint32_t transport_send_frame(uint8_t to, uint8_t* data, uint16_t size);
diff --git a/serial_link/tests/transport_tests.c b/serial_link/tests/transport_tests.c
new file mode 100644
index 00000000..a64e7446
--- /dev/null
+++ b/serial_link/tests/transport_tests.c
@@ -0,0 +1,39 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 Fred Sundvik
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include <cgreen/cgreen.h>
+#include "protocol/transport.c"
+
+Describe(Transport);
+BeforeEach(Transport) {
+    init_transport();
+}
+AfterEach(Transport) {}
+
+Ensure(Transport, packet_number_is_sequential) {
+    assert_that(transport_send_frame(0, NULL, 0), is_equal_to(1));
+    assert_that(transport_send_frame(0, NULL, 0), is_equal_to(2));
+    // It doesn't matter if the destination changes
+    assert_that(transport_send_frame(1, NULL, 0), is_equal_to(3));
+}