1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.juneau.svl.vars;
18
19 import static org.junit.jupiter.api.Assertions.*;
20
21 import org.apache.juneau.*;
22 import org.apache.juneau.svl.*;
23 import org.junit.jupiter.api.*;
24
25 class SubstringVarTest extends TestBase {
26
27 //====================================================================================================
28 // test - Basic tests
29 //====================================================================================================
30 @Test void a01_test() {
31 var vr = VarResolver.create().vars(SubstringVar.class, SystemPropertiesVar.class).build();
32
33 System.setProperty("SubstringVarTest.test", "foo bar");
34
35 // $ST{stringArg, start} examples
36 // Notice that -start also works here
37 assertEquals("o bar", vr.resolve("$ST{$S{SubstringVarTest.test},2}"));
38 assertEquals("", vr.resolve("$ST{$S{SubstringVarTest.test},24}"));
39 assertEquals("foo bar", vr.resolve("$ST{$S{SubstringVarTest.test},0}"));
40 assertEquals("", vr.resolve("$ST{$S{SubstringVarTest.test},-24}"));
41 assertEquals("bar", vr.resolve("$ST{$S{SubstringVarTest.test},-3}"));
42 assertEquals("foo bar", vr.resolve("$ST{$S{SubstringVarTest.test},-7}"));
43
44 // $ST{stringArg, start, end} - NOSONAR
45 assertEquals("foo bar", vr.resolve("$ST{$S{SubstringVarTest.test},0,7}"));
46 assertEquals("oo", vr.resolve("$ST{$S{SubstringVarTest.test},1,3}"));
47 assertEquals("", vr.resolve("$ST{$S{SubstringVarTest.test},-2, 2}"));
48
49 }
50 }