Add first transport tests

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));
+}