1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. 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,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.shared.invoker;
20
21 import org.junit.jupiter.api.Test;
22
23 class SystemOutHandlerTest {
24
25 @Test
26 void testConsumeWithoutAlwaysFlush() {
27 logTestStart();
28 new SystemOutHandler(false).consumeLine("This is a test.");
29 }
30
31 @Test
32 void testConsumeWithAlwaysFlush() {
33 logTestStart();
34 new SystemOutHandler(true).consumeLine("This is a test.");
35 }
36
37 @Test
38 void testConsumeNullLine() {
39 logTestStart();
40 new SystemOutHandler().consumeLine(null);
41 }
42
43 // this is just a debugging helper for separating unit test output...
44 private void logTestStart() {
45 NullPointerException npe = new NullPointerException();
46 StackTraceElement element = npe.getStackTrace()[1];
47
48 System.out.println("Starting: " + element.getMethodName());
49 }
50 }