Refine the parsing of response status line; add UT for utility.

unittest/CMakeLists.txt

@@ -5,6 +5,7 @@ set(UT_SRCS
     request_parser_unittest.cc
     rest_service_manager_unittest.cc
     url_unittest.cc
+    utility_unittest.cc
     )
 
 set(UT_TARGET_NAME webcc_unittest)

unittest/utility_unittest.cc

@@ -0,0 +1,16 @@
+#include "gtest/gtest.h"
+
+#include "webcc/utility.h"
+
+TEST(UtilityTest, SplitKV) {
+  const std::string str = "Connection: Keep-Alive";
+
+  std::string key;
+  std::string value;
+
+  bool ok = webcc::SplitKV(str, ':', &key, &value);
+
+  EXPECT_EQ(true, ok);
+  EXPECT_EQ("Connection", key);
+  EXPECT_EQ("Keep-Alive", value);
+}