| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.datastore |
| |
| import androidx.datastore.core.CorruptionException |
| import androidx.datastore.core.okio.OkioSerializer |
| import okio.BufferedSink |
| import okio.BufferedSource |
| import okio.EOFException |
| import okio.IOException |
| import okio.use |
| |
| class TestingOkioSerializer( |
| val config: TestingSerializerConfig |
| ) : OkioSerializer<Byte> { |
| |
| override suspend fun readFrom(source: BufferedSource): Byte { |
| if (config.failReadWithCorruptionException) { |
| throw CorruptionException( |
| "CorruptionException", |
| IOException("I was asked to fail with corruption on reads") |
| ) |
| } |
| |
| if (config.failingRead) { |
| throw IOException("I was asked to fail on reads") |
| } |
| |
| val read = try { |
| source.use { |
| it.readInt() |
| } |
| } catch (eof: EOFException) { |
| return 0 |
| } |
| return read.toByte() |
| } |
| |
| override suspend fun writeTo(t: Byte, sink: BufferedSink) { |
| if (config.failingWrite) { |
| throw IOException("I was asked to fail on writes") |
| } |
| sink.use { |
| it.writeInt(t.toInt()) |
| } |
| } |
| |
| override val defaultValue: Byte |
| get() = config.defaultValue |
| } |
