text: #include <gtest/gtest.h>
  #include <boost/format.hpp>
  
  TEST(String, format)
  {
    boost::format actualValue = boost::format("My name is %s, and age is %d") % "Denley Hsiao" % 28;
    ASSERT_EQ("My name is Denley Hsiao, and age is 28", actualValue.str());
  }
  