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Add tests for filter(lambda) error cases #404

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Add tests for filter(lambda) error cases #404

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25 changes: 25 additions & 0 deletions tests/syntax/test_distributions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -510,6 +510,31 @@ def test_list_filtered_empty_2():
assert sum(v == 2 for v in vs) >= 85


def test_filter_lambda_random_global():
scenario = compileScenic(
"""
thresh = Range(0, 1)
mylist = [Range(-1, 1), Range(2, 3)]
filtered = filter(lambda v: v > thresh, mylist)
ego = new Object with foo Uniform(*filtered)
"""
)
with pytest.raises(RandomControlFlowError):
sampleEgo(scenario)


def test_filter_lambda_random_threshold():
scenario = compileScenic(
"""
mylist = [Range(-1, 1), Range(3, 4)]
filtered = filter(lambda v: v > Range(0, 1), mylist)
ego = new Object with foo Uniform(*filtered)
"""
)
with pytest.raises(RandomControlFlowError):
sampleEgo(scenario)


def test_tuple():
scenario = compileScenic("ego = new Object with foo tuple([3, Uniform(1, 2)])")
ts = [sampleEgo(scenario).foo for i in range(60)]
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