Refactors VtsHalContexthubUtils.h
Separates files that does/doesn't depend on HIDL.
Bug: 194285834
Test: Compile
Change-Id: I02e406f13b8459c80904454564ef34a143aa7075
diff --git a/contexthub/common/vts/VtsHalContexthubUtilsCommon.h b/contexthub/common/vts/VtsHalContexthubUtilsCommon.h
new file mode 100644
index 0000000..8b04e3f
--- /dev/null
+++ b/contexthub/common/vts/VtsHalContexthubUtilsCommon.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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.
+ */
+
+/**
+ * Utils file for any Context Hub VTS code (i.e. not specific to e.g. HIDL).
+ */
+
+#pragma once
+
+#include <chrono>
+#include <future>
+
+namespace android {
+namespace hardware {
+namespace contexthub {
+namespace vts_utils {
+
+// App ID with vendor "GoogT" (Google Testing), app identifier 0x555555. This
+// app ID is reserved and must never appear in the list of loaded apps.
+constexpr uint64_t kNonExistentAppId = 0x476f6f6754555555;
+
+// Helper that does explicit conversion of an enum class to its underlying/base
+// type. Useful for stream output of enum values.
+template <typename EnumType>
+inline constexpr typename std::underlying_type<EnumType>::type asBaseType(EnumType value) {
+ return static_cast<typename std::underlying_type<EnumType>::type>(value);
+}
+
+// Wait for a callback to occur (signaled by the given future) up to the
+// provided timeout. If the future is invalid or the callback does not come
+// within the given time, returns false.
+template <class ReturnType>
+bool waitForCallback(std::future<ReturnType> future, ReturnType* result,
+ std::chrono::milliseconds timeout = std::chrono::seconds(5)) {
+ auto expiration = std::chrono::system_clock::now() + timeout;
+
+ EXPECT_NE(result, nullptr);
+ EXPECT_TRUE(future.valid());
+ if (result != nullptr && future.valid()) {
+ std::future_status status = future.wait_until(expiration);
+ EXPECT_NE(status, std::future_status::timeout) << "Timed out waiting for callback";
+
+ if (status == std::future_status::ready) {
+ *result = future.get();
+ return true;
+ }
+ }
+
+ return false;
+}
+
+} // namespace vts_utils
+} // namespace contexthub
+} // namespace hardware
+} // namespace android