Completing test code for all APIs of CanMsg.

Author: aentinger

Diff for: test/CMakeLists.txt

@@ -31,6 +31,8 @@ set(TEST_SRCS
   src/CanMsg/test_CanStandardId.cpp
   src/CanMsg/test_isExtendedId.cpp
   src/CanMsg/test_isStandardId.cpp
+  src/CanMsg/test_operator_assignment.cpp
+  src/CanMsg/test_printTo.cpp
   src/Common/test_makeWord.cpp
   src/Common/test_map.cpp
   src/Common/test_max.cpp

Diff for: test/src/CanMsg/test_CanMsg_CopyCtor.cpp

@@ -34,5 +34,4 @@ TEST_CASE ("Test copy constructor", "[CanMsg-CopyCtor-01]")
     REQUIRE(msg_1.data[i] == msg_data[i]);
     REQUIRE(msg_2.data[i] == msg_data[i]);
   }
-
 }

Diff for: test/src/CanMsg/test_operator_assignment.cpp

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2020 Arduino.  All rights reserved.
+ */
+
+/**************************************************************************************
+ * INCLUDE
+ **************************************************************************************/
+
+#include <catch.hpp>
+
+#include <CanMsg.h>
+
+/**************************************************************************************
+ * NAMESPACE
+ **************************************************************************************/
+
+using namespace arduino;
+
+/**************************************************************************************
+ * TEST CODE
+ **************************************************************************************/
+
+TEST_CASE ("Testing CanMsg::operator = (CanMsg const &)", "[CanMsg-Operator-=-1]")
+{
+  uint8_t const msg_data[4] = {0xDE, 0xAD, 0xC0, 0xDE};
+
+  CanMsg const msg_1(CanStandardId(0x20), sizeof(msg_data), msg_data);
+  CanMsg msg_2(CanStandardId(0x21), 0, nullptr);
+
+  msg_2 = msg_1;
+
+  REQUIRE(msg_1.data_length == msg_2.data_length);
+
+  for (size_t i = 0; i < msg_1.data_length; i++)
+  {
+    REQUIRE(msg_1.data[i] == msg_data[i]);
+    REQUIRE(msg_2.data[i] == msg_data[i]);
+  }
+}

Diff for: test/src/CanMsg/test_printTo.cpp

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2020 Arduino.  All rights reserved.
+ */
+
+/**************************************************************************************
+ * INCLUDE
+ **************************************************************************************/
+
+#include <catch.hpp>
+
+#include <CanMsg.h>
+#include <PrintMock.h>
+
+/**************************************************************************************
+ * NAMESPACE
+ **************************************************************************************/
+
+using namespace arduino;
+
+/**************************************************************************************
+ * TEST CODE
+ **************************************************************************************/
+
+TEST_CASE ("Print CAN frame with standard ID", "[CanMsg-printTo-1]")
+{
+  uint8_t const std_msg_data[] = {0xBE, 0xEF};
+  CanMsg const std_msg(CanStandardId(0x20), sizeof(std_msg_data), std_msg_data);
+
+  PrintMock mock;
+  mock.print(std_msg);
+
+  REQUIRE(mock._str  == "[020] (2) : BEEF");
+}
+
+TEST_CASE ("Print CAN frame with extended ID", "[CanMsg-printTo-1]")
+{
+  uint8_t const ext_msg_data[] = {0xDE, 0xAD, 0xC0, 0xDE};
+  CanMsg const ext_msg(CanExtendedId(0x20), sizeof(ext_msg_data), ext_msg_data);
+
+  PrintMock mock;
+  mock.print(ext_msg);
+
+  REQUIRE(mock._str  == "[00000020] (4) : DEADC0DE");
+}