From 1369bb93140e3d6014b19716f1afcb192fd3e669 Mon Sep 17 00:00:00 2001
From: Josh Micich <josh@apache.org>
Date: Thu, 23 Oct 2008 21:42:05 +0000
Subject: [PATCH] fixed re-serialization of tAttrChoose

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@707481 13f79535-47bb-0310-9956-ffa450edef68
---
 .../poi/hssf/record/formula/AttrPtg.java      |  3 --
 .../hssf/record/formula/AllFormulaTests.java  |  1 +
 .../poi/hssf/record/formula/TestAttrPtg.java  | 50 +++++++++++++++++++
 3 files changed, 51 insertions(+), 3 deletions(-)
 create mode 100644 src/testcases/org/apache/poi/hssf/record/formula/TestAttrPtg.java

diff --git a/src/java/org/apache/poi/hssf/record/formula/AttrPtg.java b/src/java/org/apache/poi/hssf/record/formula/AttrPtg.java
index 701a7aee7..ea0afcc37 100644
--- a/src/java/org/apache/poi/hssf/record/formula/AttrPtg.java
+++ b/src/java/org/apache/poi/hssf/record/formula/AttrPtg.java
@@ -221,15 +221,12 @@ public final class AttrPtg extends ControlPtg {
         int[] jt = _jumpTable;
         if (jt != null) {
             int joff = offset+4;
-            LittleEndian.putUShort(array, joff, _chooseFuncOffset);
-            joff+=2;
             for (int i = 0; i < jt.length; i++) {
                 LittleEndian.putUShort(array, joff, jt[i]);
                 joff+=2;
             }
             LittleEndian.putUShort(array, joff, _chooseFuncOffset);
         }
-
     }
 
     public int getSize()
diff --git a/src/testcases/org/apache/poi/hssf/record/formula/AllFormulaTests.java b/src/testcases/org/apache/poi/hssf/record/formula/AllFormulaTests.java
index 5f63f31a0..248f7ca59 100644
--- a/src/testcases/org/apache/poi/hssf/record/formula/AllFormulaTests.java
+++ b/src/testcases/org/apache/poi/hssf/record/formula/AllFormulaTests.java
@@ -41,6 +41,7 @@ public final class AllFormulaTests {
 		result.addTestSuite(TestAreaErrPtg.class);
 		result.addTestSuite(TestAreaPtg.class);
 		result.addTestSuite(TestArrayPtg.class);
+		result.addTestSuite(TestAttrPtg.class);
 		result.addTestSuite(TestErrPtg.class);
 		result.addTestSuite(TestExternalFunctionFormulas.class);
 		result.addTestSuite(TestFormulaShifter.class);
diff --git a/src/testcases/org/apache/poi/hssf/record/formula/TestAttrPtg.java b/src/testcases/org/apache/poi/hssf/record/formula/TestAttrPtg.java
new file mode 100644
index 000000000..d9342d61c
--- /dev/null
+++ b/src/testcases/org/apache/poi/hssf/record/formula/TestAttrPtg.java
@@ -0,0 +1,50 @@
+/* ====================================================================
+   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.poi.hssf.record.formula;
+
+import java.util.Arrays;
+
+import junit.framework.AssertionFailedError;
+
+import org.apache.poi.hssf.record.RecordInputStream;
+import org.apache.poi.hssf.record.TestcaseRecordInputStream;
+import org.apache.poi.util.HexRead;
+
+/**
+ * Tests for {@link AttrPtg}.
+ * 
+ * @author Josh Micich
+ */
+public final class TestAttrPtg extends AbstractPtgTestCase {
+
+	/**
+	 * Fix for bug visible around svn r706772.
+	 */
+	public void testReserializeAttrChoose() {
+		byte[] data = HexRead.readFromString("19, 04, 03, 00, 08, 00, 11, 00, 1A, 00, 23, 00");
+		RecordInputStream in = TestcaseRecordInputStream.createWithFakeSid(data);
+		Ptg[] ptgs = Ptg.readTokens(data.length, in);
+		byte[] data2 = new byte[data.length];
+		try {
+			Ptg.serializePtgs(ptgs, data2, 0);
+		} catch (ArrayIndexOutOfBoundsException e) {
+			throw new AssertionFailedError("incorrect re-serialization of tAttrChoose");
+		}
+		assertTrue(Arrays.equals(data, data2));
+	}
+}