| /* |
| * Copyright (C) 2008 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 android.graphics.cts; |
| |
| import com.android.cts.stub.R; |
| |
| import dalvik.annotation.TestLevel; |
| import dalvik.annotation.TestTargetClass; |
| import dalvik.annotation.TestTargetNew; |
| |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Rect; |
| import android.graphics.BitmapFactory.Options; |
| import android.os.ParcelFileDescriptor; |
| import android.test.InstrumentationTestCase; |
| import android.util.DisplayMetrics; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| @TestTargetClass(BitmapFactory.class) |
| public class BitmapFactoryTest extends InstrumentationTestCase { |
| private Resources mRes; |
| // opt for non-null |
| private BitmapFactory.Options mOpt1; |
| // opt for null |
| private BitmapFactory.Options mOpt2; |
| // height and width of start.jpg |
| private static final int START_HEIGHT = 31; |
| private static final int START_WIDTH = 31; |
| private int mDefaultDensity; |
| private int mTargetDensity; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mRes = getInstrumentation().getTargetContext().getResources(); |
| mDefaultDensity = DisplayMetrics.DENSITY_DEFAULT; |
| mTargetDensity = mRes.getDisplayMetrics().densityDpi; |
| |
| mOpt1 = new BitmapFactory.Options(); |
| mOpt1.inScaled = false; |
| mOpt2 = new BitmapFactory.Options(); |
| mOpt2.inScaled = false; |
| mOpt2.inJustDecodeBounds = true; |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "BitmapFactory", |
| args = {} |
| ) |
| public void testConstructor() { |
| // new the BitmapFactory instance |
| new BitmapFactory(); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeResource", |
| args = {android.content.res.Resources.class, int.class, |
| android.graphics.BitmapFactory.Options.class} |
| ) |
| public void testDecodeResource1() { |
| Bitmap b = BitmapFactory.decodeResource(mRes, R.drawable.start, |
| mOpt1); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| // Test if no bitmap |
| assertNull(BitmapFactory.decodeResource(mRes, R.drawable.start, mOpt2)); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeResource", |
| args = {android.content.res.Resources.class, int.class} |
| ) |
| public void testDecodeResource2() { |
| Bitmap b = BitmapFactory.decodeResource(mRes, R.drawable.start); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT * mTargetDensity / mDefaultDensity, b.getHeight(), 1.1); |
| assertEquals(START_WIDTH * mTargetDensity / mDefaultDensity, b.getWidth(), 1.1); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeByteArray", |
| args = {byte[].class, int.class, int.class, android.graphics.BitmapFactory.Options.class} |
| ) |
| public void testDecodeByteArray1() { |
| byte[] array = obtainArray(); |
| Bitmap b = BitmapFactory.decodeByteArray(array, 0, array.length, mOpt1); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| // Test if no bitmap |
| assertNull(BitmapFactory.decodeByteArray(array, 0, array.length, mOpt2)); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeByteArray", |
| args = {byte[].class, int.class, int.class} |
| ) |
| public void testDecodeByteArray2() { |
| byte[] array = obtainArray(); |
| Bitmap b = BitmapFactory.decodeByteArray(array, 0, array.length); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeStream", |
| args = {java.io.InputStream.class, android.graphics.Rect.class, |
| android.graphics.BitmapFactory.Options.class} |
| ) |
| public void testDecodeStream1() { |
| InputStream is = obtainInputStream(); |
| Rect r = new Rect(1, 1, 1, 1); |
| Bitmap b = BitmapFactory.decodeStream(is, r, mOpt1); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| // Test if no bitmap |
| assertNull(BitmapFactory.decodeStream(is, r, mOpt2)); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeStream", |
| args = {java.io.InputStream.class} |
| ) |
| public void testDecodeStream2() { |
| InputStream is = obtainInputStream(); |
| Bitmap b = BitmapFactory.decodeStream(is); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeFileDescriptor", |
| args = {java.io.FileDescriptor.class, android.graphics.Rect.class, |
| android.graphics.BitmapFactory.Options.class} |
| ) |
| public void testDecodeFileDescriptor1() throws IOException { |
| FileDescriptor input = obtainDescriptor(obtainPath()); |
| Rect r = new Rect(1, 1, 1, 1); |
| Bitmap b = BitmapFactory.decodeFileDescriptor(input, r, mOpt1); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| // Test if no bitmap |
| assertNull(BitmapFactory.decodeFileDescriptor(input, r, mOpt2)); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeFileDescriptor", |
| args = {java.io.FileDescriptor.class} |
| ) |
| public void testDecodeFileDescriptor2() throws IOException { |
| FileDescriptor input = obtainDescriptor(obtainPath()); |
| Bitmap b = BitmapFactory.decodeFileDescriptor(input); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeFile", |
| args = {java.lang.String.class, android.graphics.BitmapFactory.Options.class} |
| ) |
| public void testDecodeFile1() throws IOException { |
| Bitmap b = BitmapFactory.decodeFile(obtainPath(), mOpt1); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| // Test if no bitmap |
| assertNull(BitmapFactory.decodeFile(obtainPath(), mOpt2)); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "decodeFile", |
| args = {java.lang.String.class} |
| ) |
| public void testDecodeFile2() throws IOException { |
| Bitmap b = BitmapFactory.decodeFile(obtainPath()); |
| assertNotNull(b); |
| // Test the bitmap size |
| assertEquals(START_HEIGHT, b.getHeight()); |
| assertEquals(START_WIDTH, b.getWidth()); |
| } |
| |
| private byte[] obtainArray() { |
| ByteArrayOutputStream stm = new ByteArrayOutputStream(); |
| Options opt = new BitmapFactory.Options(); |
| opt.inScaled = false; |
| Bitmap bitmap = BitmapFactory.decodeResource(mRes, R.drawable.start, opt); |
| bitmap.compress(Bitmap.CompressFormat.JPEG, 0, stm); |
| return(stm.toByteArray()); |
| } |
| |
| private InputStream obtainInputStream() { |
| return mRes.openRawResource(R.drawable.start); |
| } |
| |
| private FileDescriptor obtainDescriptor(String path) throws IOException { |
| File file = new File(path); |
| return(ParcelFileDescriptor.open(file, |
| ParcelFileDescriptor.MODE_READ_ONLY).getFileDescriptor()); |
| } |
| |
| private String obtainPath() throws IOException { |
| File dir = getInstrumentation().getTargetContext().getFilesDir(); |
| dir.mkdirs(); |
| File file = new File(dir, "test.jpg"); |
| if (!file.createNewFile()) { |
| if (!file.exists()) { |
| fail("Failed to create new File!"); |
| } |
| } |
| InputStream is = obtainInputStream(); |
| FileOutputStream fOutput = new FileOutputStream(file); |
| byte[] dataBuffer = new byte[1024]; |
| int readLength = 0; |
| while ((readLength = is.read(dataBuffer)) != -1) { |
| fOutput.write(dataBuffer, 0, readLength); |
| } |
| is.close(); |
| fOutput.close(); |
| return (file.getPath()); |
| } |
| } |