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diff --git a/test/java/org/apache/fop/pdf/PDFEncodingTestCase.java b/test/java/org/apache/fop/pdf/PDFEncodingTestCase.java
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+++ b/test/java/org/apache/fop/pdf/PDFEncodingTestCase.java
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+/*
+ * 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.fop.pdf;
+
+import org.junit.Test;
+
+import org.apache.fop.fonts.CodePointMapping;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+
+public class PDFEncodingTestCase {
+
+    /**
+     * Tests the createPDFEncoding method to ensure a null encoding type
+     * is handled correctly.
+     */
+    @Test
+    public void testCreatePDFEncodingForNull() {
+        Object encoding = PDFEncoding.createPDFEncoding(null, "Test");
+        assertEquals(encoding, null);
+    }
+
+    /**
+     * Tests that when a PDFEncoding object is created, if the encoding type is
+     * that of StandardEncoding, the baseEncoding tag is omitted.
+     */
+    @Test
+    public void testStandardEncodingDiffs() {
+        Object encoding = PDFEncoding.createPDFEncoding(CodePointMapping.getMapping(
+                CodePointMapping.SYMBOL_ENCODING), "Test");
+        if (encoding instanceof PDFEncoding) {
+            PDFEncoding pdfEncoding = (PDFEncoding) encoding;
+            assertFalse(pdfEncoding.entries.containsKey("BaseEncoding"));
+        }
+    }
+
+    /**
+     * Tests that when the StandardEncoding type is provided and there are no
+     * differences, the returned encoding object is null.
+     */
+    @Test
+    public void testStandardEncodingNoDiff() {
+        Object encoding = PDFEncoding.createPDFEncoding(CodePointMapping.getMapping(
+                CodePointMapping.STANDARD_ENCODING), "Test");
+        assertEquals(encoding, null);
+    }
+
+    /**
+     * Tests that when the SymbolEncoding type is provided and there are no
+     * differences, the returned encoding string is that of SymbolEncoding.
+     */
+    @Test
+    public void testCreatePDFEncodingSymbol() {
+        Object encoding = PDFEncoding.createPDFEncoding(CodePointMapping.getMapping(
+                CodePointMapping.SYMBOL_ENCODING), "Symbol");
+        assert (encoding instanceof String);
+        String pdfEncoding = (String) encoding;
+        assertEquals(pdfEncoding, "SymbolEncoding");
+    }
+}