chore: import upstream snapshot with attribution

test/brpc_extension_unittest.cpp

@@ -0,0 +1,72 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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.
+
+// brpc - A framework to host and access services throughout Baidu.
+
+// Date: Sun Jul 13 15:04:18 CST 2014
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <map>
+#include <gtest/gtest.h>
+#include "butil/time.h"
+#include "butil/macros.h"
+#include "brpc/extension.h"
+
+class ExtensionTest : public ::testing::Test{
+protected:
+    ExtensionTest(){
+    };
+    virtual ~ExtensionTest(){};
+    virtual void SetUp() {
+    };
+    virtual void TearDown() {
+    };
+};
+
+inline brpc::Extension<const int>* ConstIntExtension() {
+    return brpc::Extension<const int>::instance();
+}
+
+inline brpc::Extension<int>* IntExtension() {
+    return brpc::Extension<int>::instance();
+}
+
+
+const int g_foo = 10;
+const int g_bar = 20;
+    
+TEST_F(ExtensionTest, basic) {
+    ConstIntExtension()->Register("foo", NULL);
+    ConstIntExtension()->Register("foo", &g_foo);
+    ConstIntExtension()->Register("bar", &g_bar);
+
+    int* val1 = new int(0xbeef);
+    int* val2 = new int(0xdead);
+    ASSERT_EQ(0, IntExtension()->Register("hello", val1));
+    ASSERT_EQ(-1, IntExtension()->Register("hello", val1));
+    IntExtension()->Register("there", val2);
+    ASSERT_EQ(val1, IntExtension()->Find("hello"));
+    ASSERT_EQ(val2, IntExtension()->Find("there"));
+    std::ostringstream os;
+    IntExtension()->List(os, ':');
+    ASSERT_EQ("hello:there", os.str());
+
+    os.str("");
+    ConstIntExtension()->List(os, ':');
+    ASSERT_EQ("foo:bar", os.str());
+}