1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
# ==================================================================================================================== #
# _____ _ _ _ _ _ _ _ _ _ #
# _ __ _ |_ _|__ ___ | (_)_ __ __ _ | | (_)_ __ | | _____ __| | | (_)___| |_ #
# | '_ \| | | || |/ _ \ / _ \| | | '_ \ / _` | | | | | '_ \| |/ / _ \/ _` | | | / __| __| #
# | |_) | |_| || | (_) | (_) | | | | | | (_| |_| |___| | | | | < __/ (_| | |___| \__ \ |_ #
# | .__/ \__, ||_|\___/ \___/|_|_|_| |_|\__, (_)_____|_|_| |_|_|\_\___|\__,_|_____|_|___/\__| #
# |_| |___/ |___/ #
# ==================================================================================================================== #
# Authors: #
# Patrick Lehmann #
# #
# License: #
# ==================================================================================================================== #
# Copyright 2025-2025 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 typing import List
from doubly_py_linked_list import DoublyLinkedList
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():
dll = DoublyLinkedList()
for i in range(1, count):
dll.insert_head(i)
return func
self.runSizedTests(wrapper, self.counts)
def test_InsertAfterLast(self) -> None:
def wrapper(count: int):
def func():
dll = DoublyLinkedList()
for i in range(1, count):
dll.insert_tail(i)
return func
self.runSizedTests(wrapper, self.counts)
class Remove(PerformanceTest):
def test_FillBuckets(self) -> None:
limit = 145
def wrapper(count: int):
def func():
dll = DoublyLinkedList(self.randomArray[0:count])
index = 0
collected = 0
buckets = []
buckets.append([])
# dll.Sort(reverse=True)
while True:
items: List[int] = []
for pos, value in enumerate(dll):
if collected + value > limit:
continue
collected += value
buckets[index].append(value)
items.append(pos)
if collected == limit:
break
index += 1
if dll.length > len(items):
collected = 0
buckets.append([])
nodes = dll.nodes()
for pos in items:
dll.remove(nodes[pos])
else:
break
return func
self.runSizedTests(wrapper, self.counts[:-1])
|
