[MNG-5213] Verify time formatting

maven-embedder/src/test/java/org/apache/maven/cli/event/ExecutionEventLoggerTest.java

@@ -0,0 +1,61 @@
+package org.apache.maven.cli.event;
+
+/*
+ * 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.
+ */
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import junit.framework.TestCase;
+
+public class ExecutionEventLoggerTest
+    extends TestCase
+{
+
+    private static String getFormattedTime( long time )
+        throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException,
+        InvocationTargetException
+    {
+        Method method = ExecutionEventLogger.class.getDeclaredMethod( "getFormattedTime", long.class );
+        boolean accessible = method.isAccessible();
+        try
+        {
+            method.setAccessible( true );
+            return (String) method.invoke( null, time );
+        }
+        finally
+        {
+            method.setAccessible( accessible );
+        }
+    }
+
+    public void testGetFormattedTime()
+        throws Exception
+    {
+        assertEquals( "0.001s", getFormattedTime( 1 ) );
+        assertEquals( "0.999s", getFormattedTime( 1000 - 1 ) );
+        assertEquals( "1.000s", getFormattedTime( 1000 ) );
+        assertEquals( "59.999s", getFormattedTime( 60 * 1000 - 1 ) );
+        assertEquals( "1:00.000s", getFormattedTime( 60 * 1000 ) );
+        assertEquals( "59:59.999s", getFormattedTime( 60 * 60 * 1000 - 1 ) );
+        assertEquals( "1:00:00.000s", getFormattedTime( 60 * 60 * 1000 ) );
+        assertEquals( "23:59:59.999s", getFormattedTime( 24 * 60 * 60 * 1000 - 1 ) );
+        assertEquals( "24:00:00.000s", getFormattedTime( 24 * 60 * 60 * 1000 ) );
+    }
+}