Import of the watch repository from Pebble

tests/fw/util/test_mktime.c

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+/*
+ * 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 <math.h>
+#include <time.h>
+
+#include <clar.h>
+
+// Tests
+///////////////////////////////////////////////////////////
+void test_mktime__bithdays(void) {
+  struct tm francois_birthday = {
+    .tm_sec = 0,
+    .tm_min = 44,
+    .tm_hour = 10,
+    .tm_mday = 30,
+    .tm_mon = 4,
+    .tm_year = 89,
+  }; 
+  cl_assert_equal_i(mktime(&francois_birthday), 612528240);
+
+  struct tm rons_birthday = {
+    .tm_sec = 17,
+    .tm_min = 1,
+    .tm_hour = 9,
+    .tm_mday = 10,
+    .tm_mon = 4,
+    .tm_year = 63,
+  };
+  cl_assert_equal_i(mktime(&rons_birthday), -1);
+
+  struct tm alex_marianetti_birthday = {
+    .tm_sec = 29,
+    .tm_min = 4,
+    .tm_hour = 17,
+    .tm_mday = 2,
+    .tm_mon = 9,
+    .tm_year = 107,
+  };
+  cl_assert_equal_i(mktime(&alex_marianetti_birthday), 1191344669);
+
+  struct tm chris_birthday = {
+    .tm_sec = 59,
+    .tm_min = 3,
+    .tm_hour = 10,
+    .tm_mday = 15,
+    .tm_mon = 5,
+    .tm_year = 89,
+  };
+  cl_assert_equal_i(mktime(&chris_birthday), 613908239);
+}
+
+void test_mktime__epoch(void) {
+  struct tm epoch = {
+    .tm_sec = 0,
+    .tm_min = 0,
+    .tm_hour = 0,
+    .tm_mday = 1,
+    .tm_mon = 0,
+    .tm_year = 70,
+  };
+  cl_assert_equal_i(mktime(&epoch), 0);
+}
+
+void test_mktime__leap(void) {
+  struct tm real_leap = {
+    .tm_sec = 0,
+    .tm_min = 0,
+    .tm_hour = 10,
+    .tm_mday = 29,
+    .tm_mon = 1,
+    .tm_year = 112,
+  };
+  cl_assert_equal_i(mktime(&real_leap), 1330509600);
+}
+