private void testBitmapDefault(Bitmap bitmap, int width, int height) {
    assertNotNull("Bitmap should not be null", bitmap);
    assertEquals("Width should be set properly", width, bitmap.getWidth());
    assertEquals("Height should be set properly", height, bitmap.getHeight());

    assertEquals("Bitmap pixels should be red", 0xFFFF0100, bitmap.getPixel(1, 1));
  }
Return input stream for lossless webp

@return InputStream instance
static-webp/src/androidTest/java/com/facebook/webpsupport/WebpBitmapFactoryTest.java