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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import numpy as np
import awkward as ak
def test_read_negative_number_of_items():
vm = ak.forth.ForthMachine32("input source -5 source #q-> stack")
vm.run({"source": np.array([1, 2, 3, 4, 5], dtype=np.int64)})
assert vm.stack == []
vm = ak.forth.ForthMachine32("input source output sink float64 -5 source #q-> sink")
vm.run({"source": np.array([1, 2, 3, 4, 5], dtype=np.int64)})
assert vm.output("sink").tolist() == []
def test_read_negative_and_positive_number_of_items():
vm = ak.forth.ForthMachine32(
"input source -5 source #q-> stack 5 source #q-> stack"
)
vm.run({"source": np.array([1, 2, 3, 4, 5], dtype=np.int64)})
assert vm.stack == [1, 2, 3, 4, 5]
vm = ak.forth.ForthMachine32(
"input source output sink float64 -5 source #q-> sink 5 source #q-> sink"
)
vm.run({"source": np.array([1, 2, 3, 4, 5], dtype=np.int64)})
assert vm.output("sink").tolist() == [1, 2, 3, 4, 5]
def test_read_positive_and_negative_number_of_items():
vm = ak.forth.ForthMachine32(
"input source 5 source #q-> stack -5 source #q-> stack"
)
vm.run({"source": np.array([1, 2, 3, 4, 5], dtype=np.int64)})
assert vm.stack == [1, 2, 3, 4, 5]
vm = ak.forth.ForthMachine32(
"input source output sink float64 5 source #q-> sink -5 source #q-> sink"
)
vm.run({"source": np.array([1, 2, 3, 4, 5], dtype=np.int64)})
assert vm.output("sink").tolist() == [1, 2, 3, 4, 5]
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