Import of the watch repository from Pebble

tests/fw/mfg/test_snowy_mfg_info.c

@@ -0,0 +1,125 @@
+/*
+ * 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 "mfg/mfg_info.h"
+#include "mfg/snowy/mfg_private.h"
+#include "flash_region/flash_region_s29vs.h"
+
+#include "fake_spi_flash.c"
+#include "stubs_logging.h"
+
+void mfg_info_write_boot_fpga_bitstream(void) {}
+bool mfg_info_is_boot_fpga_bitstream_written(void) { return true; }
+
+void test_snowy_mfg_info__initialize(void) {
+  fake_spi_flash_init(FLASH_REGION_MFG_INFO_BEGIN,
+                      FLASH_REGION_MFG_INFO_END - FLASH_REGION_MFG_INFO_BEGIN);
+}
+
+void test_snowy_mfg_info__cleanup(void) {
+  fake_spi_flash_cleanup();
+}
+
+void test_snowy_mfg_info__color(void) {
+  cl_assert_equal_i(mfg_info_get_watch_color(), 0);
+
+  mfg_info_set_watch_color(WATCH_INFO_COLOR_RED);
+  cl_assert_equal_i(mfg_info_get_watch_color(), WATCH_INFO_COLOR_RED);
+
+  mfg_info_set_watch_color(WATCH_INFO_COLOR_GREEN);
+  cl_assert_equal_i(mfg_info_get_watch_color(), WATCH_INFO_COLOR_GREEN);
+}
+
+void test_snowy_mfg_info__rtc_freq(void) {
+  cl_assert_equal_i(mfg_info_get_rtc_freq(), 0);
+
+  mfg_info_set_rtc_freq(0xfefefefe);
+  cl_assert_equal_i(mfg_info_get_rtc_freq(), 0xfefefefe);
+
+  mfg_info_set_rtc_freq(1337);
+  cl_assert_equal_i(mfg_info_get_rtc_freq(), 1337);
+}
+
+void test_snowy_mfg_info__model(void) {
+  // Intentionally make the buffer too long so we can check for truncation.
+  char buffer[MFG_INFO_MODEL_STRING_LENGTH + 1] = { 0 };
+
+  mfg_info_get_model(buffer);
+  cl_assert_equal_s(buffer, "");
+
+  mfg_info_set_model("test_model");
+
+  mfg_info_get_model(buffer);
+  cl_assert_equal_s(buffer, "test_model");
+
+  {
+    char long_string[] = "01234567890123456789";
+    mfg_info_set_model(long_string);
+
+    // We only expect to see the first 15 (MFG_INFO_MODEL_STRING_LENGTH - 1) characters
+    mfg_info_get_model(buffer);
+    cl_assert_equal_s(buffer, "012345678901234");
+  }
+}
+
+void test_snowy_mfg_info__1_to_2_conversion(void) {
+  // Force in an old data version.
+  typedef struct {
+    uint32_t data_version;
+
+    uint32_t color;
+    uint32_t rtc_freq;
+  } MfgDataV1;
+
+  MfgDataV1 old_data = {
+    .data_version = 1,
+    .color = 3,
+    .rtc_freq = 4
+  };
+
+  flash_write_bytes((const uint8_t*) &old_data, FLASH_REGION_MFG_INFO_BEGIN, sizeof(old_data));
+
+  // Now use the info functions to read the data and make sure it's sane. A conversion will have
+  // happened behind the scenes to the latest version.
+  cl_assert_equal_i(mfg_info_get_watch_color(), 3);
+  cl_assert_equal_i(mfg_info_get_rtc_freq(), 4);
+
+  char buffer[MFG_INFO_MODEL_STRING_LENGTH] = { 0 };
+  mfg_info_get_model(buffer);
+  cl_assert_equal_s(buffer, "");
+
+  // Set color and make sure others don't change.
+  mfg_info_set_watch_color(5);
+
+  cl_assert_equal_i(mfg_info_get_watch_color(), 5);
+  cl_assert_equal_i(mfg_info_get_rtc_freq(), 4);
+
+  mfg_info_get_model(buffer);
+  cl_assert_equal_s(buffer, "");
+
+  // Make sure we have space for the model.
+  mfg_info_set_model("test_model");
+
+  cl_assert_equal_i(mfg_info_get_watch_color(), 5);
+  cl_assert_equal_i(mfg_info_get_rtc_freq(), 4);
+
+  mfg_info_get_model(buffer);
+  cl_assert_equal_s(buffer, "test_model");
+}
+
+