Import of the watch repository from Pebble

tests/fw/util/test_ihex.c

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "clar.h"
+
+#include "util/ihex.h"
+
+#include <string.h>
+
+
+static uint8_t s_result[300];
+
+
+void test_ihex__initialize(void) {
+  // Set the result buffer to a known value so that it can be checked
+  // later to see if the code under test wrote more than it should have.
+  memset(s_result, 0x20, sizeof(s_result));
+}
+
+static void prv_assert_ihex(const char *expected) {
+  int len = strlen(expected);
+  // Cehck that bytes aren't touched past the end of the record.
+  for (int i=len; i < sizeof(s_result); ++i) {
+    cl_assert_equal_i(0x20, s_result[i]);
+  }
+  // NULL-terminate the result so that it can be compared as a string.
+  s_result[len] = '\0';
+  cl_assert_equal_s(expected, (char *)s_result);
+}
+
+void test_ihex__eof_record(void) {
+  ihex_encode(s_result, IHEX_TYPE_EOF, 0, NULL, 0);
+  prv_assert_ihex(":00000001FF");
+}
+
+void test_ihex__data_record(void) {
+  uint8_t data[7] = { 1, 2, 3, 4, 5, 6, 7 };
+  ihex_encode(s_result, IHEX_TYPE_DATA, 0xABCD, data, sizeof(data));
+  prv_assert_ihex(":07ABCD000102030405060765");
+}
+
+void test_ihex__empty_record_length(void) {
+  cl_assert_equal_i(11, IHEX_RECORD_LENGTH(0));
+}
+
+void test_ihex__record_length(void) {
+  cl_assert_equal_i(15, IHEX_RECORD_LENGTH(2));
+}