| /* |
| * 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.camera.core.imagecapture |
| |
| import android.graphics.BitmapFactory.decodeByteArray |
| import android.graphics.Matrix |
| import android.graphics.Rect |
| import android.os.Build |
| import androidx.camera.core.imagecapture.Utils.HEIGHT |
| import androidx.camera.core.imagecapture.Utils.WIDTH |
| import androidx.camera.core.processing.Packet |
| import androidx.camera.testing.ExifUtil.createExif |
| import androidx.camera.testing.TestImageUtil.createBitmap |
| import androidx.camera.testing.TestImageUtil.createJpegBytes |
| import androidx.camera.testing.TestImageUtil.getAverageDiff |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.robolectric.RobolectricTestRunner |
| import org.robolectric.annotation.Config |
| import org.robolectric.annotation.internal.DoNotInstrument |
| |
| /** |
| * Unit tests for [JpegBytes2CroppedBitmap]. |
| */ |
| @RunWith(RobolectricTestRunner::class) |
| @DoNotInstrument |
| @Config(minSdk = Build.VERSION_CODES.LOLLIPOP) |
| class Bitmap2JpegBytesTest { |
| |
| private val operation = Bitmap2JpegBytes() |
| |
| @Test |
| fun process_verifyOutput() { |
| // Arrange. |
| val bitmap = createBitmap(WIDTH, HEIGHT) |
| val inputPacket = Packet.of( |
| bitmap, |
| createExif(createJpegBytes(WIDTH, HEIGHT)), |
| Rect(0, 0, WIDTH, HEIGHT), |
| 90, |
| Matrix() |
| ) |
| val input = Bitmap2JpegBytes.In.of(inputPacket, 100) |
| |
| // Act. |
| val output = operation.apply(input) |
| |
| // Assert |
| val restoredBitmap = decodeByteArray(output.data, 0, output.data.size) |
| assertThat(getAverageDiff(bitmap, restoredBitmap)).isEqualTo(0) |
| } |
| } |