Changed the way AFP PTOCA TransparentData control sequences are written so that they end on character byte boundaries

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1337142 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 73 insertions, 0 deletions

diff --git a/test/java/org/apache/fop/afp/ptoca/TransparentDataControlSequenceTestCase.java b/test/java/org/apache/fop/afp/ptoca/TransparentDataControlSequenceTestCase.java
new file mode 100644
index 000000000..338c5e6f4
--- /dev/null
+++ b/test/java/org/apache/fop/afp/ptoca/TransparentDataControlSequenceTestCase.java
@@ -0,0 +1,73 @@
+/*
+ * 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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.afp.ptoca;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.junit.Test;
+
+import org.apache.fop.afp.fonts.CharactersetEncoder.EncodedChars;
+import org.apache.fop.afp.ptoca.TransparentDataControlSequence.TransparentData;
+
+import static org.apache.fop.afp.ptoca.PtocaConstants.TRANSPARENT_DATA_MAX_SIZE;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+public class TransparentDataControlSequenceTestCase {
+
+    private EncodedChars encodedChars;
+    private final OutputStream outStream = mock(OutputStream.class);
+
+    @Test
+    public void testSingleByteCharacterSet() throws IOException {
+        testTRNs(false);
+    }
+
+    @Test
+    public void testDoubleByteCharacterSets() throws IOException {
+        testTRNs(true);
+    }
+
+    public void testTRNs(boolean isDBCS) throws IOException {
+        for (int length = 100; length < 10000; length += 1000) {
+            createTRNControlSequence(isDBCS, length);
+            int maxTRNSize = TRANSPARENT_DATA_MAX_SIZE - (isDBCS ? 1 : 0);
+            int numberOfTRNs = length / maxTRNSize;
+            for (int i = 0; i < numberOfTRNs; i++) {
+                verify(encodedChars, times(1)).writeTo(outStream, i * maxTRNSize, maxTRNSize);
+            }
+            int lastOffset = numberOfTRNs * maxTRNSize;
+            verify(encodedChars, times(1)).writeTo(outStream, numberOfTRNs * maxTRNSize,
+                    length - lastOffset);
+        }
+    }
+
+    private void createTRNControlSequence(boolean isDBCS, int length) throws IOException {
+        encodedChars = mock(EncodedChars.class);
+        when(encodedChars.isDBCS()).thenReturn(isDBCS);
+        when(encodedChars.getLength()).thenReturn(length);
+        for (TransparentData trn : new TransparentDataControlSequence(encodedChars)) {
+            trn.writeTo(outStream);
+        }
+    }
+}