tests/test_overrides_gdkpixbuf.py

   1 # Copyright 2018 Christoph Reiter <reiter.christoph@gmail.com>
   2 #
   3 # This library is free software; you can redistribute it and/or
   4 # modify it under the terms of the GNU Lesser General Public
   5 # License as published by the Free Software Foundation; either
   6 # version 2.1 of the License, or (at your option) any later version.
   7 #
   8 # This library is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 # Lesser General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU Lesser General Public
  14 # License along with this library; if not, write to the Free Software
  15 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  16 # USA
  17
  18 from __future__ import absolute_import
  19
  20 import pytest
  21
  22 from gi import PyGIDeprecationWarning
  23 GdkPixbuf = pytest.importorskip("gi.repository.GdkPixbuf")
  24
  25
  26 def test_new_from_data():
  27     width = 600
  28     height = 32769
  29     pixbuf = GdkPixbuf.Pixbuf.new(
  30         GdkPixbuf.Colorspace.RGB, True, 8, width, height)
  31     pixels = pixbuf.get_pixels()
  32     new_pixbuf = GdkPixbuf.Pixbuf.new_from_data(
  33         pixels, GdkPixbuf.Colorspace.RGB, True, 8,
  34         pixbuf.get_width(), pixbuf.get_height(), pixbuf.get_rowstride())
  35     del pixbuf
  36     del pixels
  37     new_pixels = new_pixbuf.get_pixels()
  38     assert len(new_pixels) == width * height * 4
  39
  40
  41 def test_new_from_data_deprecated_args():
  42     GdkPixbuf.Pixbuf.new_from_data(b"1234", 0, True, 8, 1, 1, 4)
  43     GdkPixbuf.Pixbuf.new_from_data(b"1234", 0, True, 8, 1, 1, 4, None)
  44     with pytest.warns(PyGIDeprecationWarning, match=".*destroy_fn.*"):
  45         GdkPixbuf.Pixbuf.new_from_data(
  46             b"1234", 0, True, 8, 1, 1, 4, object(), object(), object())
  47     with pytest.warns(PyGIDeprecationWarning, match=".*destroy_fn_data.*"):
  48         GdkPixbuf.Pixbuf.new_from_data(
  49             b"1234", 0, True, 8, 1, 1, 4, object(), object(), object())