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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
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http://www.apache.org/licenses/LICENSE-2.0
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See the License for the specific language governing permissions and
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package org.apache.poi.ss.formula.ptg;
import static org.junit.Assert.assertArrayEquals;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.record.TestcaseRecordInputStream;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.util.LittleEndianByteArrayOutputStream;
import org.apache.poi.util.LittleEndianInput;
/**
* Tests for <tt>ArrayPtg</tt>
*
* @author Josh Micich
*/
public final class TestArrayPtg extends TestCase {
private static final byte[] ENCODED_PTG_DATA = {
0x40,
0, 0, 0, 0, 0, 0, 0,
};
private static final byte[] ENCODED_CONSTANT_DATA = {
2, // 3 columns
1, 0, // 2 rows
4, 1, 0, 0, 0, 0, 0, 0, 0, // TRUE
2, 4, 0, 0, 65, 66, 67, 68, // "ABCD"
2, 1, 0, 0, 69, // "E"
1, 0, 0, 0, 0, 0, 0, 0, 0, // 0
4, 0, 0, 0, 0, 0, 0, 0, 0, // FALSE
2, 2, 0, 0, 70, 71, // "FG"
};
private static ArrayPtg create(byte[] initialData, byte[] constantData) {
ArrayPtg.Initial ptgInit = new ArrayPtg.Initial(TestcaseRecordInputStream.createLittleEndian(initialData));
return ptgInit.finishReading(TestcaseRecordInputStream.createLittleEndian(constantData));
}
/**
* Lots of problems with ArrayPtg's decoding and encoding of the element value data
*/
public void testReadWriteTokenValueBytes() {
ArrayPtg ptg = create(ENCODED_PTG_DATA, ENCODED_CONSTANT_DATA);
assertEquals(3, ptg.getColumnCount());
assertEquals(2, ptg.getRowCount());
Object[][] values = ptg.getTokenArrayValues();
assertEquals(2, values.length);
assertEquals(Boolean.TRUE, values[0][0]);
assertEquals("ABCD", values[0][1]);
assertEquals(new Double(0), values[1][0]);
assertEquals(Boolean.FALSE, values[1][1]);
assertEquals("FG", values[1][2]);
byte[] outBuf = new byte[ENCODED_CONSTANT_DATA.length];
ptg.writeTokenValueBytes(new LittleEndianByteArrayOutputStream(outBuf, 0));
if(outBuf[0] == 4) {
throw new AssertionFailedError("Identified bug 42564b");
}
assertArrayEquals(ENCODED_CONSTANT_DATA, outBuf);
}
/**
* Excel stores array elements column by column. This test makes sure POI does the same.
*/
public void testElementOrdering() {
ArrayPtg ptg = create(ENCODED_PTG_DATA, ENCODED_CONSTANT_DATA);
assertEquals(3, ptg.getColumnCount());
assertEquals(2, ptg.getRowCount());
assertEquals(0, ptg.getValueIndex(0, 0));
assertEquals(1, ptg.getValueIndex(1, 0));
assertEquals(2, ptg.getValueIndex(2, 0));
assertEquals(3, ptg.getValueIndex(0, 1));
assertEquals(4, ptg.getValueIndex(1, 1));
assertEquals(5, ptg.getValueIndex(2, 1));
}
/**
* Test for a bug which was temporarily introduced by the fix for bug 42564.
* A spreadsheet was added to make the ordering clearer.
*/
public void testElementOrderingInSpreadsheet() {
HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("ex42564-elementOrder.xls");
// The formula has an array with 3 rows and 5 columns
String formula = wb.getSheetAt(0).getRow(0).getCell(0).getCellFormula();
if (formula.equals("SUM({1,6,11;2,7,12;3,8,13;4,9,14;5,10,15})")) {
throw new AssertionFailedError("Identified bug 42564 b");
}
assertEquals("SUM({1,2,3,4,5;6,7,8,9,10;11,12,13,14,15})", formula);
}
public void testToFormulaString() {
ArrayPtg ptg = create(ENCODED_PTG_DATA, ENCODED_CONSTANT_DATA);
String actualFormula;
try {
actualFormula = ptg.toFormulaString();
} catch (IllegalArgumentException e) {
if (e.getMessage().equals("Unexpected constant class (java.lang.Boolean)")) {
throw new AssertionFailedError("Identified bug 45380");
}
throw e;
}
assertEquals("{TRUE,\"ABCD\",\"E\";0,FALSE,\"FG\"}", actualFormula);
}
/**
* worth checking since AttrPtg.sid=0x20 and Ptg.CLASS_* = (0x00, 0x20, and 0x40)
*/
public void testOperandClassDecoding() {
confirmOperandClassDecoding(Ptg.CLASS_REF);
confirmOperandClassDecoding(Ptg.CLASS_VALUE);
confirmOperandClassDecoding(Ptg.CLASS_ARRAY);
}
private static void confirmOperandClassDecoding(byte operandClass) {
byte[] fullData = concat(ENCODED_PTG_DATA, ENCODED_CONSTANT_DATA);
// Force encoded operand class for tArray
fullData[0] = (byte) (ArrayPtg.sid + operandClass);
LittleEndianInput in = TestcaseRecordInputStream.createLittleEndian(fullData);
Ptg[] ptgs = Ptg.readTokens(ENCODED_PTG_DATA.length, in);
assertEquals(1, ptgs.length);
ArrayPtg aPtg = (ArrayPtg) ptgs[0];
assertEquals(operandClass, aPtg.getPtgClass());
}
private static byte[] concat(byte[] a, byte[] b) {
byte[] result = new byte[a.length + b.length];
System.arraycopy(a, 0, result, 0, a.length);
System.arraycopy(b, 0, result, a.length, b.length);
return result;
}
}