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EncodeBMPInstrumentedTest.java
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EncodeBMPInstrumentedTest.java
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package com.tianscar.android.bmpencoder.test;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import androidx.test.platform.app.InstrumentationRegistry;
import com.tianscar.android.graphics.BMPEncoder;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class EncodeBMPInstrumentedTest {
@Test
public void encodeBmp() {
Context context = InstrumentationRegistry.getInstrumentation().getTargetContext();
Bitmap bitmap = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
canvas.drawColor(0xFF000000);
File outFile = new File(context.getExternalCacheDir(), "test.bmp");
try {
if (!outFile.exists()) if (!outFile.createNewFile()) return;
try (FileOutputStream stream = new FileOutputStream(outFile)) {
System.out.println(BMPEncoder.compress(bitmap, stream));
}
} catch (FileNotFoundException e) {
throw new RuntimeException(e);
} catch (IOException e) {
throw new RuntimeException(e);
}
finally {
bitmap.recycle();
}
}
}