### Question:
WindowConfig { protected boolean getBoolean (String key) { return Boolean.parseBoolean(this.section.get(key)); } WindowConfig(String filePath); void fillConfig(Lwjgl3ApplicationConfiguration config);  }### Answer:
@Test (expected = NumberFormatException.class) public void testGetBoolean () throws IOException { new WindowConfig("../config/junit-window.cfg").getInt("resizeable"); }
@Test public void testGetBoolean1 () throws IOException { new WindowConfig("../config/junit-window.cfg").getBoolean("resizeable"); }