1 package org.codehaus.plexus.util;
2
3 /*
4 * Copyright 2011 The Codehaus Foundation.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 import org.junit.jupiter.api.Test;
20
21 /**
22 * <p>PerfTest class.</p>
23 *
24 * @author herve
25 * @since 3.4.0
26 */
27 class PerfTest {
28 String src = "012345578901234556789012345678901234456789012345678901234567890";
29
30 private final int oops = 100;
31
32 @Test
33 void subString() {
34 StringBuilder res = new StringBuilder();
35 int len = src.length();
36 for (int cnt = 0; cnt < oops; cnt++) {
37 for (int i = 0; i < len - 5; i++) {
38 res.append(src, i, i + 4);
39 }
40 }
41 int i = res.length();
42 System.out.println("i = " + i);
43 }
44
45 @Test
46 void resDir() {
47 StringBuilder res = new StringBuilder();
48 int len = src.length();
49 for (int cnt = 0; cnt < oops; cnt++) {
50 for (int i = 0; i < len - 5; i++) {
51 res.append(src, i, i + 4);
52 }
53 }
54 int i = res.length();
55 System.out.println("i = " + i);
56 }
57 }