+ * If the leftovers are removed, a prompt "Warning: Data may have been lost occurs in Excel"
+ */
+ protected byte[] leftOvers = null;
private FuncPtg() {
- //Required for clone methods
+ //Required for clone methods
}
/**Creates new function pointer from a byte array
@@ -21,17 +30,28 @@ public class FuncPtg extends AbstractFunctionPtg{
offset++;
//field_1_num_args = data[ offset + 0 ];
field_2_fnc_index = LittleEndian.getShort(data,offset + 0 );
+
+
+ if (data.length - offset > 2) { //save left overs if there are any
+ leftOvers = new byte[2];
+ System.arraycopy(data, offset+1, leftOvers, 0, leftOvers.length);
+ }
+
try {
numParams = ( (Integer)functionData[field_2_fnc_index][2]).intValue();
} catch (NullPointerException npe) {
numParams=0;
}
+
}
public void writeBytes(byte[] array, int offset) {
array[offset+0]= (byte) (sid + ptgClass);
//array[offset+1]=field_1_num_args;
LittleEndian.putShort(array,offset+1,field_2_fnc_index);
+ if (leftOvers != null) {
+ System.arraycopy(leftOvers, 0, array, offset+2, leftOvers.length);
+ }
}
public int getNumberOfOperands() {
diff --git a/src/testcases/org/apache/poi/hssf/HSSFTests.java b/src/testcases/org/apache/poi/hssf/HSSFTests.java
index ca43bfdb3..c1bbff421 100644
--- a/src/testcases/org/apache/poi/hssf/HSSFTests.java
+++ b/src/testcases/org/apache/poi/hssf/HSSFTests.java
@@ -50,6 +50,7 @@ import org.apache.poi.hssf.record.TestTickRecord;
import org.apache.poi.hssf.record.TestUnitsRecord;
import org.apache.poi.hssf.record.TestValueRangeRecord;
import org.apache.poi.hssf.record.aggregates.TestRowRecordsAggregate;
+import org.apache.poi.hssf.record.formula.TestFuncPtg;
import org.apache.poi.hssf.usermodel.TestCellStyle;
import org.apache.poi.hssf.usermodel.TestFormulas;
import org.apache.poi.hssf.usermodel.TestHSSFCell;
@@ -149,6 +150,9 @@ public class HSSFTests
suite.addTest(new TestSuite(TestRKUtil.class));
suite.addTest(new TestSuite(TestSheetReferences.class));
+ //not a real junit guru so i'm just adding it here
+ suite.addTest(new TestSuite(TestFuncPtg.class));
+
//$JUnit-END$
return suite;
}
diff --git a/src/testcases/org/apache/poi/hssf/record/formula/TestFuncPtg.java b/src/testcases/org/apache/poi/hssf/record/formula/TestFuncPtg.java
new file mode 100755
index 000000000..b25e11cf6
--- /dev/null
+++ b/src/testcases/org/apache/poi/hssf/record/formula/TestFuncPtg.java
@@ -0,0 +1,101 @@
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ * "Apache POI" must not be used to endorse or promote products
+ * derived from this software without prior written permission. For
+ * written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * "Apache POI", nor may "Apache" appear in their name, without
+ * prior written permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ *
+ * This ptg represents a LEN function extracted from excel + */ + public void testLeftOvers() { + byte[] fakeData = new byte[4]; + + fakeData[0] = (byte)0x41; + fakeData[1] = (byte)0x20; //function index + fakeData[2] = (byte)0; //leftovers begin + fakeData[3] = (byte)8; + + FuncPtg ptg = new FuncPtg(fakeData, 0); + + assertEquals("Len formula index is not 32(20H)",(int)0x20, ptg.getFunctionIndex()); + assertEquals("Number of operands in the len formula",1, ptg.getNumberOfOperands()); + assertEquals("first leftover byte is not 0", (byte)0, ptg.leftOvers[0]); + assertEquals("second leftover byte is not 8", (byte)8, ptg.leftOvers[1]); + + } + +}