Github user FSchumacher commented on a diff in the pull request:
https://github.com/apache/jmeter/pull/342#discussion_r153048358
--- Diff: test/src/org/apache/jmeter/functions/TestChangeCaseExamples.java
---
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ *
+ */
+
+package org.apache.jmeter.functions;
+
+import static org.junit.Assert.*;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.apache.jmeter.engine.util.CompoundVariable;
+import org.apache.jmeter.functions.ChangeCase.ChangeCaseMode;
+import org.apache.jmeter.junit.JMeterTestCase;
+import org.apache.jmeter.samplers.SampleResult;
+import org.apache.jmeter.threads.JMeterContext;
+import org.apache.jmeter.threads.JMeterContextService;
+import org.apache.jmeter.threads.JMeterVariables;
+import org.hamcrest.CoreMatchers;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class TestChangeCaseExamples extends JMeterTestCase {
+
+ @Parameters
+ public static Collection<Object[]> data() {
+ return Arrays.asList(new Object[][] { { " spaces before and after
",
+ new String[] { " SPACES BEFORE AND AFTER ",
--- End diff --
This would be a perfect showcase for spock, don't you think?
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