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import pytest
def test_1(ctx):
buf = ctx.buffer(b'abc')
with pytest.raises(Exception):
buf.read(4)
with pytest.raises(Exception):
buf.read(offset=-1)
with pytest.raises(Exception):
buf.read(offset=1, size=3)
def test_2(ctx):
buf = ctx.buffer(b'123456789')
with pytest.raises(Exception):
buf.read_chunks(1, 4, 1, 6)
with pytest.raises(Exception):
buf.read_chunks(1, 4, -1, 6)
with pytest.raises(Exception):
buf.read_chunks(2, -1, 2, 1)
def test_3(ctx):
buf = ctx.buffer(b'123456789')
with pytest.raises(Exception):
buf.read_chunks(2, 2, 3, 3)
with pytest.raises(Exception):
buf.read_chunks(2, -1, -3, 3)
with pytest.raises(Exception):
buf.read_chunks(2, -4, -3, 3)
def test_4(ctx):
buf = ctx.buffer(b'123456789')
with pytest.raises(Exception):
buf.read_chunks(3, 0, 2, 2)
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