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-rw-r--r--fop-core/src/main/java/org/apache/fop/layoutmgr/list/ListItemLayoutManager.java2
-rw-r--r--fop/test/layoutengine/standard-testcases/list-item-with-ipd-change.xml63
2 files changed, 64 insertions, 1 deletions
diff --git a/fop-core/src/main/java/org/apache/fop/layoutmgr/list/ListItemLayoutManager.java b/fop-core/src/main/java/org/apache/fop/layoutmgr/list/ListItemLayoutManager.java
index 3857ef070..bc54fa1da 100644
--- a/fop-core/src/main/java/org/apache/fop/layoutmgr/list/ListItemLayoutManager.java
+++ b/fop-core/src/main/java/org/apache/fop/layoutmgr/list/ListItemLayoutManager.java
@@ -437,7 +437,7 @@ public class ListItemLayoutManager extends SpacedBorderedPaddedBlockLayoutManage
addedBoxHeight += boxHeight;
ListItemPosition stepPosition = new ListItemPosition(this, start[0], end[0], start[1], end[1]);
stepPosition.setOriginalLabelPosition(originalLabelPosition);
- if (originalBodyPosition != null && originalBodyPosition.getLM() instanceof ListItemContentLayoutManager) {
+ if (originalBodyPosition == null || originalBodyPosition.getLM() instanceof ListItemContentLayoutManager) {
// Happens when ListItem has multiple blocks and a block (that's not the last block) ends at the same
// page height as a IPD change (e.g. FOP-3098). originalBodyPosition (reset) position needs to be a
// Block so that BlockStackingLayoutManager can stack it. Lookahead to find next Block.
diff --git a/fop/test/layoutengine/standard-testcases/list-item-with-ipd-change.xml b/fop/test/layoutengine/standard-testcases/list-item-with-ipd-change.xml
new file mode 100644
index 000000000..9f4288717
--- /dev/null
+++ b/fop/test/layoutengine/standard-testcases/list-item-with-ipd-change.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
+<!-- $Id$ -->
+<testcase>
+ <info>
+ <p>
+ This test checks that no NPE is thrown when a list item is split
+ alongside a IPD change.
+ </p>
+ </info>
+ <fo>
+ <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+ <fo:layout-master-set>
+ <fo:simple-page-master margin-left="0.675in" master-name="Page">
+ <fo:region-body region-name="Body"/>
+ </fo:simple-page-master>
+ <fo:simple-page-master margin-left="0.65in" master-name="PageRest">
+ <fo:region-body region-name="Body"/>
+ </fo:simple-page-master>
+ <fo:page-sequence-master master-name="PageSequence">
+ <fo:repeatable-page-master-alternatives>
+ <fo:conditional-page-master-reference page-position="first" master-reference="Page"/>
+ <fo:conditional-page-master-reference page-position="rest" master-reference="PageRest"/>
+ </fo:repeatable-page-master-alternatives>
+ </fo:page-sequence-master>
+ </fo:layout-master-set>
+ <fo:page-sequence format="1" id="TH_LastPage" master-reference="PageSequence">
+ <fo:flow flow-name="Body">
+ <fo:block>
+ <fo:list-block>
+ <fo:list-item>
+ <fo:list-item-label>
+ <fo:block/>
+ </fo:list-item-label>
+ <fo:list-item-body>
+ <fo:block>a</fo:block>
+ <fo:block break-before="page">b</fo:block>
+ </fo:list-item-body>
+ </fo:list-item>
+ </fo:list-block>
+ </fo:block>
+ </fo:flow>
+ </fo:page-sequence>
+ </fo:root>
+ </fo>
+ <checks>
+ <eval expected="a" xpath="//pageViewport[1]/page/regionViewport/regionBody/mainReference"/>
+ <eval expected="b" xpath="//pageViewport[2]/page/regionViewport/regionBody/mainReference"/>
+ </checks>
+</testcase> \ No newline at end of file