diff options
Diffstat (limited to 'src/test/java/com/android/volley/toolbox/ImageRequestTest.java')
-rw-r--r-- | src/test/java/com/android/volley/toolbox/ImageRequestTest.java | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/src/test/java/com/android/volley/toolbox/ImageRequestTest.java b/src/test/java/com/android/volley/toolbox/ImageRequestTest.java deleted file mode 100644 index 6b50319..0000000 --- a/src/test/java/com/android/volley/toolbox/ImageRequestTest.java +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright (C) 2011 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 com.android.volley.toolbox; - -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertNotNull; -import static org.junit.Assert.assertTrue; - -import android.graphics.Bitmap; -import android.graphics.Bitmap.Config; -import android.widget.ImageView; -import android.widget.ImageView.ScaleType; -import com.android.volley.NetworkResponse; -import com.android.volley.Response; -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.nio.charset.StandardCharsets; -import org.junit.Test; -import org.junit.runner.RunWith; -import org.robolectric.RobolectricTestRunner; -import org.robolectric.shadows.ShadowBitmapFactory; - -@RunWith(RobolectricTestRunner.class) -public class ImageRequestTest { - - @Test - public void parseNetworkResponse_resizing() throws Exception { - // This is a horrible hack but Robolectric doesn't have a way to provide - // width and height hints for decodeByteArray. It works because the byte array - // "file:fake" is ASCII encodable and thus the name in Robolectric's fake - // bitmap creator survives as-is, and provideWidthAndHeightHints puts - // "file:" + name in its lookaside map. I write all this because it will - // probably break mysteriously at some point and I feel terrible about your - // having to debug it. - byte[] jpegBytes = "file:fake".getBytes(StandardCharsets.UTF_8); - ShadowBitmapFactory.provideWidthAndHeightHints("fake", 1024, 500); - NetworkResponse jpeg = new NetworkResponse(jpegBytes); - - // Scale the image uniformly (maintain the image's aspect ratio) so that - // both dimensions (width and height) of the image will be equal to or - // less than the corresponding dimension of the view. - ScaleType scalteType = ScaleType.CENTER_INSIDE; - - // Exact sizes - verifyResize(jpeg, 512, 250, scalteType, 512, 250); // exactly half - verifyResize(jpeg, 511, 249, scalteType, 509, 249); // just under half - verifyResize(jpeg, 1080, 500, scalteType, 1024, 500); // larger - verifyResize(jpeg, 500, 500, scalteType, 500, 244); // keep same ratio - - // Specify only width, preserve aspect ratio - verifyResize(jpeg, 512, 0, scalteType, 512, 250); - verifyResize(jpeg, 800, 0, scalteType, 800, 390); - verifyResize(jpeg, 1024, 0, scalteType, 1024, 500); - - // Specify only height, preserve aspect ratio - verifyResize(jpeg, 0, 250, scalteType, 512, 250); - verifyResize(jpeg, 0, 391, scalteType, 800, 391); - verifyResize(jpeg, 0, 500, scalteType, 1024, 500); - - // No resize - verifyResize(jpeg, 0, 0, scalteType, 1024, 500); - - // Scale the image uniformly (maintain the image's aspect ratio) so that - // both dimensions (width and height) of the image will be equal to or - // larger than the corresponding dimension of the view. - scalteType = ScaleType.CENTER_CROP; - - // Exact sizes - verifyResize(jpeg, 512, 250, scalteType, 512, 250); - verifyResize(jpeg, 511, 249, scalteType, 511, 249); - verifyResize(jpeg, 1080, 500, scalteType, 1024, 500); - verifyResize(jpeg, 500, 500, scalteType, 1024, 500); - - // Specify only width - verifyResize(jpeg, 512, 0, scalteType, 512, 250); - verifyResize(jpeg, 800, 0, scalteType, 800, 390); - verifyResize(jpeg, 1024, 0, scalteType, 1024, 500); - - // Specify only height - verifyResize(jpeg, 0, 250, scalteType, 512, 250); - verifyResize(jpeg, 0, 391, scalteType, 800, 391); - verifyResize(jpeg, 0, 500, scalteType, 1024, 500); - - // No resize - verifyResize(jpeg, 0, 0, scalteType, 1024, 500); - - // Scale in X and Y independently, so that src matches dst exactly. This - // may change the aspect ratio of the src. - scalteType = ScaleType.FIT_XY; - - // Exact sizes - verifyResize(jpeg, 512, 250, scalteType, 512, 250); - verifyResize(jpeg, 511, 249, scalteType, 511, 249); - verifyResize(jpeg, 1080, 500, scalteType, 1024, 500); - verifyResize(jpeg, 500, 500, scalteType, 500, 500); - - // Specify only width - verifyResize(jpeg, 512, 0, scalteType, 512, 500); - verifyResize(jpeg, 800, 0, scalteType, 800, 500); - verifyResize(jpeg, 1024, 0, scalteType, 1024, 500); - - // Specify only height - verifyResize(jpeg, 0, 250, scalteType, 1024, 250); - verifyResize(jpeg, 0, 391, scalteType, 1024, 391); - verifyResize(jpeg, 0, 500, scalteType, 1024, 500); - - // No resize - verifyResize(jpeg, 0, 0, scalteType, 1024, 500); - } - - private void verifyResize( - NetworkResponse networkResponse, - int maxWidth, - int maxHeight, - ScaleType scaleType, - int expectedWidth, - int expectedHeight) { - ImageRequest request = - new ImageRequest("", null, maxWidth, maxHeight, scaleType, Config.RGB_565, null); - Response<Bitmap> response = request.parseNetworkResponse(networkResponse); - assertNotNull(response); - assertTrue(response.isSuccess()); - Bitmap bitmap = response.result; - assertNotNull(bitmap); - assertEquals(expectedWidth, bitmap.getWidth()); - assertEquals(expectedHeight, bitmap.getHeight()); - } - - @Test - public void findBestSampleSize() { - // desired == actual == 1 - assertEquals(1, ImageRequest.findBestSampleSize(100, 150, 100, 150)); - - // exactly half == 2 - assertEquals(2, ImageRequest.findBestSampleSize(280, 160, 140, 80)); - - // just over half == 1 - assertEquals(1, ImageRequest.findBestSampleSize(1000, 800, 501, 401)); - - // just under 1/4 == 4 - assertEquals(4, ImageRequest.findBestSampleSize(100, 200, 24, 50)); - } - - private static byte[] readInputStream(InputStream in) throws IOException { - ByteArrayOutputStream bytes = new ByteArrayOutputStream(); - byte[] buffer = new byte[1024]; - int count; - while ((count = in.read(buffer)) != -1) { - bytes.write(buffer, 0, count); - } - in.close(); - return bytes.toByteArray(); - } - - @Test - public void publicMethods() throws Exception { - // Catch-all test to find API-breaking changes. - assertNotNull( - ImageRequest.class.getConstructor( - String.class, - Response.Listener.class, - int.class, - int.class, - Bitmap.Config.class, - Response.ErrorListener.class)); - assertNotNull( - ImageRequest.class.getConstructor( - String.class, - Response.Listener.class, - int.class, - int.class, - ImageView.ScaleType.class, - Bitmap.Config.class, - Response.ErrorListener.class)); - assertEquals(ImageRequest.DEFAULT_IMAGE_TIMEOUT_MS, 1000); - assertEquals(ImageRequest.DEFAULT_IMAGE_MAX_RETRIES, 2); - assertEquals(ImageRequest.DEFAULT_IMAGE_BACKOFF_MULT, 2f, 0); - } -} |