Added tests for partial matching enable/disable

Author: rubin55

src/test/java/org/apache/commons/cli/DisablePartialMatchingTest.java

@@ -0,0 +1,58 @@
+/**
+ * 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.commons.cli;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class DisablePartialMatchingTest
+{
+    @Test
+    public void testDisablePartialMatching() throws Exception
+    {
+        CommandLineParser parser = new DefaultParser(false);
+
+        final Options options = new Options();
+
+        options.addOption(new Option("d", "debug", false, "Turn on debug."));
+        options.addOption(new Option("e", "extract", false, "Turn on extract."));
+
+        CommandLine line = parser.parse(options, new String[]{"-de"});
+
+        assertTrue("There should be an option debug in any case...", line.hasOption("debug"));
+        assertTrue("There should be an extract option because partial matching is off", line.hasOption("extract"));
+    }
+
+    @Test
+    public void testRegularPartialMatching() throws Exception
+    {
+        CommandLineParser parser = new DefaultParser();
+
+        final Options options = new Options();
+
+        options.addOption(new Option("d", "debug", false, "Turn on debug."));
+        options.addOption(new Option("e", "extract", false, "Turn on extract."));
+
+        CommandLine line = parser.parse(options, new String[]{"-de"});
+
+        assertTrue("There should be an option debug in any case...", line.hasOption("debug"));
+        assertFalse("There should not be an extract option because partial matching only selects debug", line.hasOption("extract"));
+    }
+}