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diff --git a/src/type3_AndroidCloud/anbox-master/external/android-emugl/shared/emugl/common/id_to_object_map_unittest.cpp b/src/type3_AndroidCloud/anbox-master/external/android-emugl/shared/emugl/common/id_to_object_map_unittest.cpp
new file mode 100644
index 0000000..50740be
--- /dev/null
+++ b/src/type3_AndroidCloud/anbox-master/external/android-emugl/shared/emugl/common/id_to_object_map_unittest.cpp
@@ -0,0 +1,116 @@
+// Copyright (C) 2014 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.
+
+#include "emugl/common/id_to_object_map.h"
+
+#include <gtest/gtest.h>
+
+namespace emugl {
+
+namespace {
+
+typedef IdToObjectMapBase::KeyType KeyType;
+
+class Foo {
+public:
+    Foo() : mVal(0) {}
+    Foo(int val) : mVal(val) {}
+    ~Foo() {}
+    int val() const { return mVal; }
+    void setVal(int val) { mVal = val; }
+private:
+    int mVal;
+};
+
+}  // namespace
+
+TEST(IdToObjectMap, Empty) {
+    IdToObjectMap<Foo> map;
+    EXPECT_TRUE(map.empty());
+    EXPECT_EQ(0U, map.size());
+}
+
+TEST(IdToObjectMap, SetIntegerRange) {
+    IdToObjectMap<Foo> map;
+    KeyType kMax = 10000;
+
+    // Add all items in the map.
+    for (KeyType n = 0; n < kMax; ++n) {
+        EXPECT_FALSE(map.set(n, new Foo(n))) << "For key " << n;
+    }
+
+    // Check final size.
+    EXPECT_EQ(static_cast<size_t>(kMax), map.size());
+
+    // Find all items in the map.
+    for (KeyType n = 0; n < kMax; ++n) {
+        EXPECT_TRUE(map.contains(n)) << "For key " << n;
+        Foo* foo = NULL;
+        EXPECT_TRUE(map.find(n, &foo)) << "For key " << n;
+        if (foo) {
+            EXPECT_EQ(static_cast<int>(n), foo->val()) << "For key " << n;
+        }
+    }
+}
+
+TEST(IdToObjectMap, RemoveAll) {
+    IdToObjectMap<Foo> map;
+    KeyType kMax = 10000;
+
+    // Add all items in the map.
+    for (KeyType n = 0; n < kMax; ++n) {
+        EXPECT_FALSE(map.set(n, new Foo(n))) << "For key " << n;
+    }
+
+    EXPECT_EQ(static_cast<size_t>(kMax), map.size());
+
+    for (KeyType n = 0; n < kMax; ++n) {
+        EXPECT_TRUE(map.remove(n)) << "For key " << n;
+    }
+    EXPECT_EQ(0U, map.size());
+}
+
+TEST(IdToObjectMap, RemoveOdd) {
+    IdToObjectMap<Foo> map;
+    KeyType kMax = 10000;
+
+    // Add all items in the map.
+    for (KeyType n = 0; n < kMax; ++n) {
+        EXPECT_FALSE(map.set(n, new Foo(n))) << "For key " << n;
+    }
+
+    EXPECT_EQ(static_cast<size_t>(kMax), map.size());
+
+    for (KeyType n = 0; n < kMax; ++n) {
+        if (n & 1) {
+            EXPECT_TRUE(map.remove(n)) << "For key " << n;
+        }
+    }
+    EXPECT_EQ(static_cast<size_t>(kMax / 2), map.size());
+
+    for (KeyType n = 0; n < kMax; ++n) {
+        if (n & 1) {
+            EXPECT_FALSE(map.contains(n)) << "For key " << n;
+        } else {
+            EXPECT_TRUE(map.contains(n)) << "For key " << n;
+            Foo* foo = NULL;
+            EXPECT_TRUE(map.find(n, &foo)) << "For key " << n;
+            if (foo) {
+                EXPECT_EQ(static_cast<int>(n), foo->val());
+            }
+        }
+    }
+}
+
+}  // namespace emugl