def test_children_of_discarded_examples_do_not_create_structural_coverage():
data = ConjectureData.for_buffer(bytes(0))
data.start_example(10)
data.start_example(42)
data.stop_example()
data.stop_example(discard=True)
data.freeze()
assert structural_coverage(42) not in data.tags
assert structural_coverage(10) not in data.tags
def test_examples_create_structural_coverage():
data = ConjectureData.for_buffer(bytes(0))
data.start_example(42)
data.stop_example()
data.freeze()
assert structural_coverage(42) in data.tags
def test_structural_coverage_is_cached():
assert structural_coverage(50) is structural_coverage(50)
