### Question:
Cache { public String getCacheFilePath (String filePath) { return CACHE_PATH + filePath; } protected  Cache(String path); static void init(String path); static Cache getInstance(); String getPath(); void createDirIfAbsent(String dirName); String getCachePath(String dirName); String getCacheFilePath(String filePath); void clear();  }### Answer:
@Test public void testGetCacheFilePath () { Cache cache = new Cache("../temp/"); assertEquals("../temp/test3/test.txt", cache.getCacheFilePath("test3/test.txt")); }