Import of the watch repository from Pebble

tests/test_infra/header_overrides.c

@@ -0,0 +1,34 @@
+/*
+ * 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 "_test/default_only.h"
+#include "_test/default_and_custom.h"
+#include "_test/custom_only.h"
+
+// Loading of override headers must be done in a separate source file because
+// the overrides are not applied to the test harness itself.
+
+int default_only_define(void) {
+  return DEFAULT_ONLY_DEFINE;
+}
+
+int overridden_define(void) {
+  return OVERRIDDEN_DEFINE;
+}
+
+int custom_only_define(void) {
+  return CUSTOM_ONLY_DEFINE;
+}