def test_script_surface():
f = io.BytesIO()
dev = cairo.ScriptDevice(f)
surface = cairo.ScriptSurface(dev, cairo.Content.COLOR_ALPHA, 42, 10)
assert isinstance(surface, cairo.ScriptSurface)
cairo.Context(surface).paint()
dev.flush()
assert b"42" in f.getvalue()
assert b"paint" in f.getvalue()
with pytest.raises(TypeError):
cairo.ScriptSurface()
def test_script_device_device_ref():
f = io.BytesIO()
dev = cairo.ScriptDevice(f)
surface = cairo.ScriptSurface(dev, cairo.Content.COLOR_ALPHA, 42, 10)
del dev
for i in range(10):
surface.get_device()
def test_cmp_hash():
f = io.BytesIO()
dev = cairo.ScriptDevice(f)
surface = cairo.ScriptSurface(dev, cairo.Content.COLOR_ALPHA, 42, 10)
other = surface.get_device()
assert dev == other
assert not dev != other
assert hash(dev) == hash(other)