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diff --git a/src/type3_AndroidCloud/anbox-master/src/anbox/testing/gtest_utils.h b/src/type3_AndroidCloud/anbox-master/src/anbox/testing/gtest_utils.h
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+// Copyright 2016 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.
+
+#pragma once
+
+#include "anbox/common/type_traits.h"
+
+#include <gtest/gtest.h>
+#include <iterator>
+
+// Miscellenaous helper declarations for unit-tests using the GoogleTest
+// framework.
+
+namespace anbox {
+namespace testing {
+// RangesMatch is a useful template used to compare the content of two
+// ranges at runtime. Usage is simply:
+//
+//   EXPECT_TRUE(RangesMatch(range1, range2);
+//
+// Where |range1| and |range2| must have the same item type, and size.
+template <typename Range1,
+          typename Range2,
+          typename = common::enable_if_c<common::is_range<Range1>::value &&
+                                         common::is_range<Range2>::value>>
+inline ::testing::AssertionResult RangesMatch(const Range1& expected,
+                                              const Range2& actual) {
+  const auto expectedSize =
+      std::distance(std::begin(expected), std::end(expected));
+  const auto actualSize = std::distance(std::begin(actual), std::end(actual));
+  if (actualSize != expectedSize) {
+    return ::testing::AssertionFailure()
+           << "actual range size " << actualSize << " != expected size "
+           << expectedSize;
+  }
+
+  auto itExp = std::begin(expected);
+  for (const auto& act : actual) {
+    if (*itExp != act) {
+      const auto index = std::distance(std::begin(expected), itExp);
+      return ::testing::AssertionFailure()
+             << "range[" << index << "] (" << act << ") != expected["
+             << index << "] (" << *itExp << ")";
+    }
+    ++itExp;
+  }
+
+  return ::testing::AssertionSuccess();
+}
+}  // namespace testing
+}  // namespace anbox