func loadMetacacheSample(t testing.TB) *metacacheReader {
	b, err := os.ReadFile("testdata/metacache.s2")
	if err != nil {
		t.Fatal(err)
	}
	return newMetacacheReader(bytes.NewReader(b))
}

func loadMetacacheSampleEntries(t testing.TB) metaCacheEntriesSorted {
	r := loadMetacacheSample(t)

  fun explicitRemoveAppliedToDiskImmediately() {
    val editor = cache.edit("k1")!!
    editor.setString(0, "ABC")
    editor.setString(1, "B")
    editor.commit()
    val k1 = getCleanFile("k1", 0)
    assertThat(readFile(k1)).isEqualTo("ABC")
    cache.remove("k1")
    assertThat(filesystem.exists(k1)).isFalse()
  }

  @Test
  fun removePreventsActiveEditFromStoringAValue() {
    set("a", "a", "a")

func readAndMap(files []string, partNum, blockNum int) (*mappedData, error) {
	var m mappedData
	sort.Strings(files)
	m.parityData = make(map[int]map[int][]byte)
	for _, file := range files {
		meta, err := os.ReadFile(file + ".json")
		if err != nil {
			return nil, err
		}
		type erasureInfo struct {
			V2Obj *struct {
				EcDist    []int
				EcIndex   int
				EcM       int
				EcN       int

   * granted only 100ms ago, then we wait for another 100ms. At this rate, serving 15 fresh permits
   * (i.e. for an acquire(15) request) naturally takes 3 seconds.
   *
   * It is important to realize that such a RateLimiter has a very superficial memory of the past:
   * it only remembers the last request. What if the RateLimiter was unused for a long period of

     * fit comfortably within a single ethernet packet (1500 bytes) even with framing overhead.
     *
     * For tests this must be big enough to realize real compression on test messages like
     * 'aaaaaaaaaa...'. Our tests check if compression was applied just by looking at the size if
     * the inbound buffer.
     */
    const val DEFAULT_MINIMUM_DEFLATE_SIZE = 1024L

            commentLines.clear();
            valueLines.clear();
            StringBuilder buffer = new StringBuilder();

            while (true) {
                String line = readLine();
                if (line == null) {
                    // EOF
                    return null;
                }

                if (isCommentLine(line)) {
                    commentLines.add(line);

            commentLines.clear();
            valueLines.clear();
            StringBuilder buffer = new StringBuilder();

            while (true) {
                String line = readLine();
                if (line == null) {
                    // EOF
                    return null;
                }

                if (isCommentLine(line)) {
                    commentLines.add(line);

	if err != nil {
		t.Fatal(err)
	}

	for _, drive := range fsDirs {
		dir := path.Join(drive, bucket, object, uuid.String())
		_, err := os.ReadFile(pathJoin(dir, "part.1"))
		if err == nil {
			t.Fatal("expected data dit to be cleaned up")
		}
	}

	// Remove the bucket - to simulate the case where bucket was
	// created when the disk was down.

     * (Runtime checks could be particularly bad for users of LegacyConverter.)
     *
     * Luckily, our nullness checker is smart enough to realize that `convert` has @PolyNull-like
     * behavior, so it knows that `convert(a)` returns a non-nullable value, and we don't need to
     * perform even a cast, much less a runtime check.
     *

     * (Runtime checks could be particularly bad for users of LegacyConverter.)
     *
     * Luckily, our nullness checker is smart enough to realize that `convert` has @PolyNull-like
     * behavior, so it knows that `convert(a)` returns a non-nullable value, and we don't need to
     * perform even a cast, much less a runtime check.
     *