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# ==================================================================================================================== #
# _____ _ _ _ _ _ _ _ _ _ #
# _ __ _ |_ _|__ ___ | (_)_ __ __ _ | | (_)_ __ | | _____ __| | | (_)___| |_ #
# | '_ \| | | || |/ _ \ / _ \| | | '_ \ / _` | | | | | '_ \| |/ / _ \/ _` | | | / __| __| #
# | |_) | |_| || | (_) | (_) | | | | | | (_| |_| |___| | | | | < __/ (_| | |___| \__ \ |_ #
# | .__/ \__, ||_|\___/ \___/|_|_|_| |_|\__, (_)_____|_|_| |_|_|\_\___|\__,_|_____|_|___/\__| #
# |_| |___/ |___/ #
# ==================================================================================================================== #
# Authors: #
# Patrick Lehmann #
# #
# License: #
# ==================================================================================================================== #
# Copyright 2025-2026 Patrick Lehmann - Bötzingen, Germany #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); #
# you may not use this file except in compliance with the License. #
# You may obtain a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
# #
# SPDX-License-Identifier: Apache-2.0 #
# ==================================================================================================================== #
#
"""Performance tests for pyTooling.LinkedList."""
from pyTooling.LinkedList import LinkedList as pt_LinkedList, Node as pt_Node
from . import PerformanceTest
if __name__ == "__main__": # pragma: no cover
print("ERROR: you called a testcase declaration file as an executable module.")
print("Use: 'python -m unittest <testcase module>'")
exit(1)
class Insertion(PerformanceTest):
def test_InsertBeforeFirst(self) -> None:
def wrapper(count: int):
def func():
ll = pt_LinkedList()
for i in range(1, count):
ll.InsertBeforeFirst(pt_Node(i))
return func
self.runSizedTests(wrapper, self.counts)
def test_InsertAfterLast(self) -> None:
def wrapper(count: int):
def func():
ll = pt_LinkedList()
for i in range(1, count):
ll.InsertAfterLast(pt_Node(i))
return func
self.runSizedTests(wrapper, self.counts)
class Remove(PerformanceTest):
def test_FillBuckets(self) -> None:
limit = 145
def wrapper(count: int):
def func():
ll = pt_LinkedList(pt_Node(i) for i in self.randomArray[0:count])
index = 0
collected = 0
buckets = []
buckets.append([])
ll.Sort(reverse=True)
while True:
for node in ll.IterateFromFirst():
if collected + node.Value > limit:
continue
collected += node.Value
buckets[index].append(node.Value)
node.Remove()
if collected == limit:
break
index += 1
if not ll.IsEmpty:
collected = 0
buckets.append([])
else:
break
return func
self.runSizedTests(wrapper, self.counts[:-1])
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