107 void CheckTree(const MoveToFrontTester& mtf, const std::string& expected,  in CheckTree()  function
116   CheckTree(mtf, std::string());  in TEST()
125   CheckTree(mtf, std::string(R"(  in TEST()
131   CheckTree(mtf, std::string(R"(  in TEST()
144   CheckTree(mtf, std::string(R"(  in TEST()
151   CheckTree(mtf, std::string(R"(  in TEST()
164   CheckTree(mtf, std::string(R"(  in TEST()
170   CheckTree(mtf, std::string(R"(  in TEST()
183   CheckTree(mtf, std::string(R"(  in TEST()
190   CheckTree(mtf, std::string(R"(  in TEST()
201   CheckTree(mtf, std::string(R"(  in TEST()
207   CheckTree(mtf, "");  in TEST()
216   CheckTree(mtf, std::string(R"(  in TEST()
223   CheckTree(mtf, std::string(R"(  in TEST()
236   CheckTree(mtf, std::string(R"(  in TEST()
245   CheckTree(mtf, std::string(R"(  in TEST()
259   CheckTree(mtf, std::string(R"(  in TEST()
267   CheckTree(mtf, std::string(R"(  in TEST()
281   CheckTree(mtf, std::string(R"(  in TEST()
289   CheckTree(mtf, std::string(R"(  in TEST()
303   CheckTree(mtf, std::string(R"(  in TEST()
312   CheckTree(mtf, std::string(R"(  in TEST()
328   CheckTree(mtf, std::string(R"(  in TEST()
342   CheckTree(mtf, std::string(R"(  in TEST()
355   CheckTree(mtf, std::string(R"(  in TEST()
368   CheckTree(mtf, std::string(R"(  in TEST()
381   CheckTree(mtf, std::string(R"(  in TEST()
402   CheckTree(mtf, std::string(R"(  in TEST()
452   CheckTree(mtf, std::string(R"(  in TEST()
473   CheckTree(mtf,  in TEST()
486   CheckTree(mtf,  in TEST()
513   CheckTree(mtf,  in TEST()
526   CheckTree(mtf,  in TEST()
561   CheckTree(mtf,  in TEST()
574   CheckTree(mtf,  in TEST()
585   CheckTree(mtf,  in TEST()
594   CheckTree(mtf,  in TEST()
617   CheckTree(mtf,  in TEST()
630   CheckTree(mtf,  in TEST()
642   CheckTree(mtf,  in TEST()
810   CheckTree(mtf,  in TEST()