First test case for keep-together.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_KnuthStylePageBreaking@198523 13f79535-47bb-0310-9956-ffa450edef68

test/layoutengine/testcases/keep-together1.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Copyright 2005 The Apache Software Foundation
+
+  Licensed 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 keep-together.
+    </p>
+    <p>
+      Widows and Orphans are disabled in this test to avoid side-effects.
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:svg="http://www.w3.org/2000/svg" white-space-collapse="true" widows="0" orphans="0">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="normal" page-width="5in" page-height="4.5 * 14.4pt">
+          <fo:region-body/>
+        </fo:simple-page-master>
+      </fo:layout-master-set>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>block1</fo:block>
+          <fo:block>block2</fo:block>
+          <fo:block keep-together.within-page="always">block3 
+            <fo:inline font-style="italic">
+              The quick brown fox jumps over the lazy dog.
+              The quick brown fox jumps over the lazy dog.
+              The quick brown fox jumps over the lazy dog.
+            </fo:inline>
+          </fo:block>
+          <fo:block>block4</fo:block>
+          <fo:block>block5</fo:block>
+          <fo:block keep-together.within-page="always">
+            <fo:block>block6</fo:block>
+            <fo:block>block7</fo:block>
+            <fo:block>block8</fo:block>
+            <fo:block>block9</fo:block>
+          </fo:block>
+          <fo:block>block10</fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>block11</fo:block>
+          <fo:block>block12</fo:block>
+          <fo:block-container keep-together.within-page="always">
+            <fo:block>block13</fo:block>
+            <fo:block>block14</fo:block>
+            <fo:block>block15</fo:block>
+          </fo:block-container>
+          <fo:block>block16</fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>block21</fo:block>
+          <fo:block>block22</fo:block>
+          <fo:block keep-together.within-page="always">
+            <fo:block-container>
+              <fo:block>block23</fo:block>
+            </fo:block-container>
+            <fo:block>block24</fo:block>
+            <fo:block>block25</fo:block>
+          </fo:block>
+          <fo:block>block26</fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+    </fo:root>
+  </fo>
+  <checks>
+    <eval expected="1" xpath="//lineArea[starts-with(., 'block1')]/ancestor::pageViewport/@nr"/>
+    <eval expected="1" xpath="//lineArea[starts-with(., 'block2')]/ancestor::pageViewport/@nr"/>
+    <eval expected="2" xpath="//lineArea[starts-with(., 'block3')]/ancestor::pageViewport/@nr"/>
+    <eval expected="2" xpath="//lineArea[starts-with(., 'block4')]/ancestor::pageViewport/@nr"/>
+    <eval expected="3" xpath="//lineArea[starts-with(., 'block5')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block6')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block7')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block8')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block9')]/ancestor::pageViewport/@nr"/>
+    <eval expected="5" xpath="//lineArea[starts-with(., 'block10')]/ancestor::pageViewport/@nr"/>
+    
+    <eval expected="6" xpath="//lineArea[starts-with(., 'block11')]/ancestor::pageViewport/@nr"/>
+    <eval expected="6" xpath="//lineArea[starts-with(., 'block12')]/ancestor::pageViewport/@nr"/>
+    <eval expected="7" xpath="//lineArea[starts-with(., 'block13')]/ancestor::pageViewport/@nr"/>
+    <eval expected="7" xpath="//lineArea[starts-with(., 'block14')]/ancestor::pageViewport/@nr"/>
+    <eval expected="7" xpath="//lineArea[starts-with(., 'block15')]/ancestor::pageViewport/@nr"/>
+    <eval expected="7" xpath="//lineArea[starts-with(., 'block16')]/ancestor::pageViewport/@nr"/>
+
+    <eval expected="8" xpath="//lineArea[starts-with(., 'block21')]/ancestor::pageViewport/@nr"/>
+    <eval expected="8" xpath="//lineArea[starts-with(., 'block22')]/ancestor::pageViewport/@nr"/>
+    <eval expected="9" xpath="//lineArea[starts-with(., 'block23')]/ancestor::pageViewport/@nr"/>
+    <eval expected="9" xpath="//lineArea[starts-with(., 'block24')]/ancestor::pageViewport/@nr"/>
+    <eval expected="9" xpath="//lineArea[starts-with(., 'block25')]/ancestor::pageViewport/@nr"/>
+    <eval expected="9" xpath="//lineArea[starts-with(., 'block26')]/ancestor::pageViewport/@nr"/>
+  </checks>
+</testcase>