Start implementing data_link

1 files changed, 52 insertions, 0 deletions

diff --git a/serial_link/tests/data_link_tests.c b/serial_link/tests/data_link_tests.c
new file mode 100644
index 0000000000..1b7107e708
--- /dev/null
+++ b/serial_link/tests/data_link_tests.c
@@ -0,0 +1,52 @@
+/*
+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 <cgreen/mocks.h>
+#include "protocol/data_link.h"
+#include "protocol/data_link.c"
+#include "protocol/routing.h"
+
+Describe(DataLink);
+BeforeEach(DataLink) {}
+AfterEach(DataLink) {}
+
+void recv_frame(uint8_t* data, uint16_t size) {
+    mock(data, size);
+}
+
+Ensure(DataLink, receives_no_frame_for_a_single_zero_byte) {
+    never_expect(recv_frame);
+    recv_byte(0);
+}
+
+Ensure(DataLink, receives_no_frame_for_a_single_FF_byte) {
+    never_expect(recv_frame);
+    recv_byte(0xFF);
+}
+
+Ensure(DataLink, receives_no_frame_for_a_single_random_byte) {
+    never_expect(recv_frame);
+    recv_byte(0x4A);
+}