Even though CopyUtils is deprecated, bring it to 100% code coverage.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1021986 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/java/org/apache/commons/io/CopyUtilsTest.java

@@ -20,6 +20,7 @@
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.Reader;
+import java.io.StringWriter;
 import java.io.Writer;
 import java.util.Arrays;
 
@@ -73,6 +74,11 @@ public void tearDown() throws Exception {
     // Tests
     // ----------------------------------------------------------------
 
+    public void testCtor() {
+        new CopyUtils();
+        // Nothing to assert, the constructor is public and does not blow up.
+    }
+    
     public void testCopy_byteArrayToOutputStream() throws Exception {
         ByteArrayOutputStream baout = new ByteArrayOutputStream();
         OutputStream out = new YellOnFlushAndCloseOutputStream(baout, false, true);
@@ -95,6 +101,14 @@ public void testCopy_byteArrayToWriter() throws Exception {
         assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
     }
 
+    public void testCopy_byteArrayToWriterWithEncoding() throws Exception {
+        String inDataStr = "data";
+        String charsetName = "UTF-8";
+        StringWriter writer = new StringWriter(); 
+        CopyUtils.copy(inDataStr.getBytes(charsetName), writer, charsetName);
+        assertEquals(inDataStr, writer.toString());
+    }
+
     public void testCopy_inputStreamToOutputStream() throws Exception {
         InputStream in = new ByteArrayInputStream(inData);
         in = new YellOnCloseInputStream(in);
@@ -126,6 +140,14 @@ public void testCopy_inputStreamToWriter() throws Exception {
         assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
     }
 
+    public void testCopy_inputStreamToWriterWithEncoding() throws Exception {
+        String inDataStr = "data";
+        String charsetName = "UTF-8";
+        StringWriter writer = new StringWriter();
+        CopyUtils.copy(new ByteArrayInputStream(inDataStr.getBytes(charsetName)), writer, charsetName);
+        assertEquals(inDataStr, writer.toString());
+    }
+
     public void testCopy_readerToOutputStream() throws Exception {
         InputStream in = new ByteArrayInputStream(inData);
         in = new YellOnCloseInputStream(in);