Googletest export

Merge CONTRIBUTORS, delete LICENSEs in googletest/ and googlemock/

PiperOrigin-RevId: 352558822

googlemock/include/gmock/internal/custom/gmock-matchers.h

@@ -33,4 +33,39 @@
 
 #ifndef GMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_MATCHERS_H_
 #define GMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_MATCHERS_H_
+
+#include <memory>
+
+#include "gmock/internal/gmock-port.h"
+#if GTEST_GOOGLE3_MODE_
+#include "base/callback.h"
+
+// Realistically this file should be included from gmock-matchers.h
+#include "gmock/gmock-matchers.h"
+
+namespace testing {
+namespace internal {
+
+// Specialization for permanent callbacks.
+template <typename ArgType, typename ResType>
+struct CallableTraits<ResultCallback1<ResType, ArgType>*> {
+  typedef ResType ResultType;
+  using StorageType = std::shared_ptr<ResultCallback1<ResType, ArgType>>;
+  typedef ResultCallback1<ResType, ArgType> Callback;
+
+  static void CheckIsValid(const StorageType& callback) {
+    GTEST_CHECK_(callback != nullptr)
+        << "NULL callback is passed into ResultOf().";
+    callback->CheckIsRepeatable();
+  }
+  template <typename T>
+  static ResType Invoke(const StorageType& callback, T arg) {
+    return callback->Run(arg);
+  }
+};
+
+}  // namespace internal
+}  // namespace testing
+#endif  // GTEST_GOOGLE3_MODE_
+
 #endif  // GMOCK_INCLUDE_GMOCK_INTERNAL_CUSTOM_GMOCK_MATCHERS_H_