private void generateSomeGarbageFiles() throws Exception { File dir1 = new File(cacheDir, "dir1"); File dir2 = new File(dir1, "dir2"); writeFile(getCleanFile("g1", 0), "A"); writeFile(getCleanFile("g1", 1), "B"); writeFile(getCleanFile("g2", 0), "C"); writeFile(getCleanFile("g2", 1), "D"); writeFile(getCleanFile("g2", 1), "D"); writeFile(new File(cacheDir, "otherFile0"), "E"); dir1.mkdir(); dir2.mkdir(); writeFile(new File(dir2, "otherFile1"), "F"); }
@Test public void openWithTruncatedLineDiscardsThatLine() throws Exception { cache.close(); writeFile(getCleanFile("k1", 0), "A"); writeFile(getCleanFile("k1", 1), "B"); Writer writer = new FileWriter(journalFile); writer.write(MAGIC + "\n" + VERSION_1 + "\n100\n2\n\nCLEAN k1 1 1"); // no trailing newline writer.close(); cache = DiskLruCache.open(cacheDir, appVersion, 2, Integer.MAX_VALUE); assertThat(cache.get("k1")).isNull(); // The journal is not corrupt when editing after a truncated line. set("k1", "C", "D"); cache.close(); cache = DiskLruCache.open(cacheDir, appVersion, 2, Integer.MAX_VALUE); assertValue("k1", "C", "D"); }
@Test public void openWithDirtyKeyDeletesAllFilesForThatKey() throws Exception { cache.close(); File cleanFile0 = getCleanFile("k1", 0); File cleanFile1 = getCleanFile("k1", 1); File dirtyFile0 = getDirtyFile("k1", 0); File dirtyFile1 = getDirtyFile("k1", 1); writeFile(cleanFile0, "A"); writeFile(cleanFile1, "B"); writeFile(dirtyFile0, "C"); writeFile(dirtyFile1, "D"); createJournal("CLEAN k1 1 1", "DIRTY k1"); cache = DiskLruCache.open(cacheDir, appVersion, 2, Integer.MAX_VALUE); assertThat(cleanFile0.exists()).isFalse(); assertThat(cleanFile1.exists()).isFalse(); assertThat(dirtyFile0.exists()).isFalse(); assertThat(dirtyFile1.exists()).isFalse(); assertThat(cache.get("k1")).isNull(); }