def test_historical_nonexistent_xref_access_nonstrict():
out = BytesIO()
with open(NONEXISTENT_XREF_PATH, 'rb') as inf:
w = IncrementalPdfFileWriter(inf)
pg_dict = w.root['/Pages']['/Kids'][0]
del pg_dict['/Bleh']
w.update_container(pg_dict)
w.write(out)
r = PdfFileReader(out, strict=False)
hist_root = r.get_historical_root(0)
bad_ref = hist_root['/Pages']['/Kids'][0].raw_get('/Bleh')
assert isinstance(bad_ref.get_object(), generic.NullObject)
def test_historical_nonexistent_xref_access():
out = BytesIO()
with open(NONEXISTENT_XREF_PATH, 'rb') as inf:
w = IncrementalPdfFileWriter(inf)
pg_dict = w.root['/Pages']['/Kids'][0]
del pg_dict['/Bleh']
w.update_container(pg_dict)
w.write(out)
r = PdfFileReader(out)
current_state = r.root['/Pages']['/Kids'][0]
assert '/Bleh' not in current_state
hist_root = r.get_historical_root(0)
bad_ref = hist_root['/Pages']['/Kids'][0].raw_get('/Bleh')
with pytest.raises(misc.PdfReadError,
match='not found.*error in strict mode'):
bad_ref.get_object()