Feature/zephyr ztest (#118)

* Leverage (older) embedded unit tests into external unit tests build upon copy of Zephyr's ztest library and CMake. * Expand top-level CMake build to run external unit tests. * Expand Zephyr module extension to run external unit tests via west or sanitycheck. Co-authored-by: Gregory Shue <gregory.shue@legrand.us>
2020-09-16 05:33:34 -07:00
parent a7b2e94cb7
commit 19869dccdb
399 changed files with 21885 additions and 5 deletions
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: MIT
+
+cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
+
+get_filename_component(basename ${CMAKE_CURRENT_SOURCE_DIR} NAME)
+project(test_${basename}
+	VERSION 1.0.0
+	LANGUAGES C)
+
+
+string(REGEX REPLACE "/bacnet/[a-zA-Z_/-]*$" "" TST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+set(ZTST_DIR "${TST_DIR}/ztest/src")
+string(REGEX REPLACE "/test$" "/src" SRC_DIR ${TST_DIR})
+
+add_compile_definitions(
+	BIG_ENDIAN=0
+	CONFIG_ZTEST=1
+	)
+
+include_directories(
+	${SRC_DIR}
+	${TST_DIR}/ztest/include
+	)
+
+add_executable(${PROJECT_NAME}
+    # File(s) under test
+	${SRC_DIR}/bacnet/datalink/crc.c
+    # Support files and stubs (pathname alphabetical)
+    # Test and test library files
+	./src/main.c
+	${ZTST_DIR}/ztest_mock.c
+	${ZTST_DIR}/ztest.c
+	)
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2020 Legrand North America, LLC.
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/* @file
+ * @brief test BACnet integer encode/decode APIs
+ */
+
+#include <ztest.h>
+#include <bacnet/datalink/crc.h>
+#include <bacnet/bytes.h>
+
+/**
+ * @addtogroup bacnet_tests
+ * @{
+ */
+
+/**
+ * @brief Test CRC8 from Annex G 1.0 of BACnet Standard
+ */
+static void testCRC8(void)
+{
+    uint8_t crc = 0xff; /* accumulates the crc value */
+    uint8_t frame_crc; /* appended to the end of the frame */
+
+    crc = CRC_Calc_Header(0x00, crc);
+    zassert_equal(crc, 0x55, NULL);
+    crc = CRC_Calc_Header(0x10, crc);
+    zassert_equal(crc, 0xC2, NULL);
+    crc = CRC_Calc_Header(0x05, crc);
+    zassert_equal(crc, 0xBC, NULL);
+    crc = CRC_Calc_Header(0x00, crc);
+    zassert_equal(crc, 0x95, NULL);
+    crc = CRC_Calc_Header(0x00, crc);
+    zassert_equal(crc, 0x73, NULL);
+    /* send the ones complement of the CRC in place of */
+    /* the CRC, and the resulting CRC will always equal 0x55. */
+    frame_crc = ~crc;
+    zassert_equal(frame_crc, 0x8C, NULL);
+    /* use the ones complement value and the next to last CRC value */
+    crc = CRC_Calc_Header(frame_crc, crc);
+    zassert_equal(crc, 0x55, NULL);
+}
+
+/**
+ * @brief Test CRC8 from Annex G 2.0 of BACnet Standard
+ */
+static void testCRC16(void)
+{
+    uint16_t crc = 0xffff;
+    uint16_t data_crc;
+
+    crc = CRC_Calc_Data(0x01, crc);
+    zassert_equal(crc, 0x1E0E, NULL);
+    crc = CRC_Calc_Data(0x22, crc);
+    zassert_equal(crc, 0xEB70, NULL);
+    crc = CRC_Calc_Data(0x30, crc);
+    zassert_equal(crc, 0x42EF, NULL);
+    /* send the ones complement of the CRC in place of */
+    /* the CRC, and the resulting CRC will always equal 0xF0B8. */
+    data_crc = ~crc;
+    zassert_equal(data_crc, 0xBD10, NULL);
+    crc = CRC_Calc_Data(LO_BYTE(data_crc), crc);
+    zassert_equal(crc, 0x0F3A, NULL);
+    crc = CRC_Calc_Data(HI_BYTE(data_crc), crc);
+    zassert_equal(crc, 0xF0B8, NULL);
+}
+
+/**
+ * @brief "Test" to create/log generated CRC8 table
+ */
+static void testCRC8CreateTable(void)
+{
+    uint8_t crc = 0xff; /* accumulates the crc value */
+    int i;
+
+    printf("static const uint8_t HeaderCRC[256] =\n");
+    printf("{\n");
+    printf("    ");
+    for (i = 0; i < 256; i++) {
+        crc = CRC_Calc_Header(i, 0);
+        printf("0x%02x, ", crc);
+        if (!((i + 1) % 8)) {
+            printf("\n");
+            if (i != 255) {
+                printf("    ");
+            }
+        }
+    }
+    printf("};\n");
+}
+
+/**
+ * @brief "Test" to create/log generated CRC16 table
+ */
+static void testCRC16CreateTable(void)
+{
+    uint16_t crc;
+    int i;
+
+    printf("static const uint16_t DataCRC[256] =\n");
+    printf("{\n");
+    printf("    ");
+    for (i = 0; i < 256; i++) {
+        crc = CRC_Calc_Data(i, 0);
+        printf("0x%04x, ", crc);
+        if (!((i + 1) % 8)) {
+            printf("\n");
+            if (i != 255) {
+                printf("    ");
+            }
+        }
+    }
+    printf("};\n");
+}
+/**
+ * @}
+ */
+
+
+void test_main(void)
+{
+    ztest_test_suite(crc_tests,
+     ztest_unit_test(testCRC8),
+     ztest_unit_test(testCRC16),
+     ztest_unit_test(testCRC8CreateTable),
+     ztest_unit_test(testCRC16CreateTable)
+     );
+
+    ztest_run_test_suite(crc_tests);
+}