### Question:
WindowConfig { protected int getIntOrDefault (String key, int defaultValue) { return Integer.parseInt(this.section.getOrDefault(key, "" + defaultValue)); } WindowConfig(String filePath); void fillConfig(Lwjgl3ApplicationConfiguration config);  }### Answer:
@Test public void testGetIntOrDefault () throws IOException { new WindowConfig("../config/junit-window.cfg").getIntOrDefault("width", 1280); }