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import moderngl
import pytest
def test_error_when_label_is_too_long(ctx):
buf = ctx.buffer(reserve=1024)
max_label_length = ctx.max_label_length
with pytest.raises(moderngl.Error):
buf.label = "F" * (max_label_length + 1)
def test_error_with_wrong_type(ctx):
buf = ctx.buffer(reserve=1024)
with pytest.raises(TypeError):
buf.label = 123
def test_no_label_on_creation(ctx):
buf = ctx.buffer(reserve=1024)
assert buf.label is None
def test_clearing_label(ctx):
buf = ctx.buffer(reserve=1024)
buf.label = "test buffer"
assert buf.label is not None
buf.label = None
assert buf.label is None
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