t.Fatal(err)
	}
	if formatV3.Erasure.This != m.Erasure.Disk {
		t.Fatalf("expected drive uuid: %s, got: %s", m.Erasure.Disk, formatV3.Erasure.This)
	}
	if len(formatV3.Erasure.Sets) != 1 {
		t.Fatalf("expected single set after migrating from v1 to v3, but found %d", len(formatV3.Erasure.Sets))
	}
	if !reflect.DeepEqual(formatV3.Erasure.Sets[0], m.Erasure.JBOD) {

		if err != nil && !testCase.shouldFail {
			t.Fatalf("Test %d failed to extract metadata: %v", i+1, err)
		}
		if err == nil && testCase.shouldFail {
			t.Fatalf("Test %d should fail, but it passed", i+1)
		}
		if err == nil && !reflect.DeepEqual(metadata, testCase.metadata) {
			t.Fatalf("Test %d failed: Expected \"%#v\", got \"%#v\"", i+1, testCase.metadata, metadata)
		}
	}
}

		if err != nil {
			t.Fatalf("Test %d: failed to marshal DEK: %v", i, err)
		}

		var key DEK
		if err = key.UnmarshalText(text); err != nil {
			t.Fatalf("Test %d: failed to unmarshal DEK: %v", i, err)
		}
		if key.Plaintext != nil {
			t.Fatalf("Test %d: unmarshaled DEK contains non-nil plaintext", i)
		}
		if !bytes.Equal(key.Ciphertext, test.Key.Ciphertext) {

		)
		for i, expectedListenErr := range testCase.expectedListenErrs {
			if !expectedListenErr {
				if listenErrs[i] != nil {
					t.Fatalf("Test %d:, listenErrs[%d] error: expected = <nil>, got = %v", testIdx+1, i, listenErrs[i])
				}
			} else if listenErrs[i] == nil {
				t.Fatalf("Test %d: listenErrs[%d]: expected = %v, got = <nil>", testIdx+1, i, expectedListenErr)
			}
		}
		if listener != nil {
			listener.Close()

			}
			if err != io.EOF {
				t.Fatalf("Reading failed with %s, %s", err, file.Name())
			}
		})
	}
}

func BenchmarkPReader(b *testing.B) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		b.Fatal(err)
	}
	for _, file := range files {
		b.Run(file.Name(), func(b *testing.B) {
			f, err := os.ReadFile(filepath.Join("testdata", file.Name()))
			if err != nil {
				b.Fatal(err)
			}

			}
			if err != io.EOF {
				t.Fatalf("Reading failed with %s, %s", err, file.Name())
			}
		})
	}
}

func BenchmarkReader(b *testing.B) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		b.Fatal(err)
	}
	for _, file := range files {
		b.Run(file.Name(), func(b *testing.B) {
			f, err := os.ReadFile(filepath.Join("testdata", file.Name()))
			if err != nil {
				b.Fatal(err)
			}

		result := testCase.rulesMap.Clone()

		if !reflect.DeepEqual(result, testCase.rulesMap) {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.rulesMap, result)
		}

		result.Add(testCase.rulesMapToAdd)
		if reflect.DeepEqual(result, testCase.rulesMap) {
			t.Fatalf("test %v: result: expected: not equal, got: equal", i+1)
		}
	}
}

func TestRulesMapAdd(t *testing.T) {

	for i, testCase := range testCases {
		result := testCase.set.Clone()

		if !reflect.DeepEqual(result, testCase.set) {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.set, result)
		}

		result.add(testCase.targetIDToAdd)
		if reflect.DeepEqual(result, testCase.set) {
			t.Fatalf("test %v: result: expected: not equal, got: equal", i+1)
		}
	}
}

func TestTargetIDSetUnion(t *testing.T) {

		setup, err := newErasureTestSetup(t, test.dataBlocks, test.onDisks-test.dataBlocks, test.blocksize)
		if err != nil {
			t.Fatalf("Test %d: failed to create test setup: %v", i, err)
		}
		erasure, err := NewErasure(context.Background(), test.dataBlocks, test.onDisks-test.dataBlocks, test.blocksize)
		if err != nil {
			t.Fatalf("Test %d: failed to create ErasureStorage: %v", i, err)
		}
		disks := setup.disks
		data := make([]byte, test.data)

	t.Helper()
	data, err := os.ReadFile(src)
	if err != nil {
		t.Fatalf("Failed to read file %v, err: %v", src, err)
	}
	if err = os.WriteFile(dest, data, os.FileMode(defaultFileMode)); err != nil {
		t.Fatalf("Failed to write file %v, err: %v", dest, err)
	}
}

func rmDir(dir string, t *testing.T) {
	t.Helper()
	err := os.RemoveAll(dir)
	if err != nil {
		t.Fatalf("Failed to remove dir %v, err: %v", dir, err)
	}
}