Describe(get_file_extension_tests) { It(test1){Assert::That(getExtension({"project1.jpg", "project1.pdf", "project1.mp3"}), Equals(std::vector({"jpg", "pdf", "mp3"})));} It(test2){Assert::That(getExtension({"ruby.rb", "cplusplus.cpp", "python.py", "javascript.js"}), Equals(std::vector({"rb", "cpp", "py", "js"})));} It(test3){Assert::That(getExtension({"code.html", "code.css"}), Equals(std::vector({"html", "css"})));} It(test4){Assert::That(getExtension({"minesweeper.java", "game.java", "my_project.java"}), Equals(std::vector({"java", "java", "java"})));} };