def test_delitem_len_bug():
eq_(list(LineNumbers(Text("\n")).iter_from(0)), [(1, 0)]) # sanity check
text = Text("\nx")
lines = LineNumbers(text)
# sanity check
eq_(list(lines.iter_from(0)), [(1, 0), (2, 1)])
eq_(len(lines), 2, repr(text))
text[1:] = ""
eq_(list(lines.iter_from(0)), [(1, 0)])
assert lines.newline_at_end, 'no newline at end: ' + repr(text)
eq_(len(lines), 2, repr(text))
def test(num, expect, text, iter_to_line=None):
text = Text(text)
lines = LineNumbers(text)
if iter_to_line is END:
list(lines.iter_from(0))
assert lines.end is not None
elif iter_to_line is not None:
if iter_to_line is LINE:
iter_to_line = num
for line, index in lines.iter_from(0):
if line >= iter_to_line:
break
if isinstance(expect, int):
eq_(lines.index_of(num), expect)
else:
with assert_raises(expect):
lines.index_of(num)
def test(expect, text, iter_to_line=None):
text = Text(text)
lines = LineNumbers(text)
if iter_to_line is not None:
for line, index in lines.iter_from(0):
if line >= iter_to_line:
break
eq_(lines.newline_at_end, expect)
def test(i, output, text, preset=None, start=1):
text = Text(text)
lines = LineNumbers(text)
if preset is END:
lines[len(text) - 1]
elif preset is not None:
lines[preset]
eq_(list(lines.iter_from(i)), list(enumerate(output, start=start)))
def test(i, output, text, preset=END, start=1):
text = Text(text)
lines = LineNumbers(text)
if preset is END:
list(lines.iter_from(0))
assert lines.end is not None
elif preset is not None:
lines[preset]
del lines[i]
eq_(lines.end, None)
eq_(lines.newline_at_end, None)
len_text = len(text)
text[len_text:] = "\nend"
if not output:
output.append(0)
output.append(len_text + 1)
print(repr(text))
eq_(list(lines.iter_from(i)), list(enumerate(output, start=start)))
