Add crc32 validation of received frames

1 files changed, 35 insertions, 0 deletions

diff --git a/serial_link/tests/frame_validator_tests.c b/serial_link/tests/frame_validator_tests.c
index f6a4fcd842..1aca9f95fc 100644
--- a/serial_link/tests/frame_validator_tests.c
+++ b/serial_link/tests/frame_validator_tests.c
@@ -42,3 +42,38 @@ Ensure(FrameValidator, doesnt_validate_frames_under_5_bytes) {
     recv_frame(data, 3);
     recv_frame(data, 4);
 }
+
+Ensure(FrameValidator, validates_one_byte_frame_with_correct_crc) {
+    uint8_t data[] = {0x44, 0x04, 0x6A, 0xB3, 0xA3};
+    expect(route_frame,
+        when(size, is_equal_to(1)),
+        when(data, is_equal_to_contents_of(data, 1))
+    );
+    recv_frame(data, 5);
+}
+
+Ensure(FrameValidator, does_not_validate_one_byte_frame_with_incorrect_crc) {
+    uint8_t data[] = {0x44, 0, 0, 0, 0};
+    never_expect(route_frame);
+    recv_frame(data, 5);
+}
+
+Ensure(FrameValidator, validates_four_byte_frame_with_correct_crc) {
+    uint8_t data[] = {0x44, 0x10, 0xFF, 0x00, 0x74, 0x4E, 0x30, 0xBA};
+    expect(route_frame,
+        when(size, is_equal_to(4)),
+        when(data, is_equal_to_contents_of(data, 4))
+    );
+    recv_frame(data, 8);
+}
+
+Ensure(FrameValidator, validates_five_byte_frame_with_correct_crc) {
+    //0xBA304E74
+    //0x470B99F4
+    uint8_t data[] = {1, 2, 3, 4, 5, 0xF4, 0x99, 0x0B, 0x47};
+    expect(route_frame,
+        when(size, is_equal_to(5)),
+        when(data, is_equal_to_contents_of(data, 5))
+    );
+    recv_frame(data, 9);
+}