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package org.apache.poi.ss.formula.functions;
import junit.framework.TestCase;
import org.apache.poi.hssf.usermodel.HSSFEvaluationWorkbook;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.formula.IStabilityClassifier;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.WorkbookEvaluator;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.formula.eval.NumberEval;
import org.apache.poi.ss.formula.eval.StringEval;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
/**
* Tests for {@link Dec2Bin}
*
* @author cedric dot walter @ gmail dot com
*/
public final class TestDec2Bin extends TestCase {
private static ValueEval invokeValue(String number1) {
ValueEval[] args = new ValueEval[] { new StringEval(number1) };
return new Dec2Bin().evaluate(args, -1, -1);
}
private static ValueEval invokeBack(String number1) {
ValueEval[] args = new ValueEval[] { new StringEval(number1) };
return new Bin2Dec().evaluate(args, -1, -1);
}
private static void confirmValue(String msg, String number1, String expected) {
ValueEval result = invokeValue(number1);
assertEquals("Had: " + result, StringEval.class, result.getClass());
assertEquals(msg, expected, ((StringEval) result).getStringValue());
}
private static void confirmValueError(String msg, String number1, ErrorEval numError) {
ValueEval result = invokeValue(number1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(msg, numError, result);
}
public void testBasic() {
confirmValue("Converts binary '00101' from binary (5)", "5", "101");
confirmValue("Converts binary '1111111111' from binary (-1)", "-1", "1111111111");
confirmValue("Converts binary '1111111110' from binary (-2)", "-2", "1111111110");
confirmValue("Converts binary '0111111111' from binary (511)", "511", "111111111");
confirmValue("Converts binary '1000000000' from binary (511)", "-512", "1000000000");
}
public void testErrors() {
confirmValueError("fails for >= 512 or < -512","512", ErrorEval.NUM_ERROR);
confirmValueError("fails for >= 512 or < -512","-513", ErrorEval.NUM_ERROR);
confirmValueError("not a valid decimal number","GGGGGGG", ErrorEval.VALUE_INVALID);
confirmValueError("not a valid decimal number","3.14159a", ErrorEval.VALUE_INVALID);
}
public void testEvalOperationEvaluationContext() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0) };
ValueEval result = new Dec2Bin().evaluate(args, ctx);
assertEquals(StringEval.class, result.getClass());
assertEquals("1101", ((StringEval) result).getStringValue());
}
public void testEvalOperationEvaluationContextFails() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ErrorEval.VALUE_INVALID };
ValueEval result = new Dec2Bin().evaluate(args, ctx);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
private OperationEvaluationContext createContext() {
HSSFWorkbook wb = new HSSFWorkbook();
Sheet sheet = wb.createSheet();
Row row = sheet.createRow(0);
Cell cell = row.createCell(0);
cell.setCellValue("13.43");
cell = row.createCell(1);
cell.setCellValue("8");
cell = row.createCell(2);
cell.setCellValue("-8");
cell = row.createCell(3);
cell.setCellValue("1");
HSSFEvaluationWorkbook workbook = HSSFEvaluationWorkbook.create(wb);
WorkbookEvaluator workbookEvaluator = new WorkbookEvaluator(workbook, new IStabilityClassifier() {
@Override
public boolean isCellFinal(int sheetIndex, int rowIndex, int columnIndex) {
return true;
}
}, null);
OperationEvaluationContext ctx = new OperationEvaluationContext(workbookEvaluator,
workbook, 0, 0, 0, null);
return ctx;
}
public void testRefs() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0) };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals("Had: " + result, StringEval.class, result.getClass());
assertEquals("1101", ((StringEval) result).getStringValue());
}
public void testWithPlacesIntInt() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals("Had: " + result, StringEval.class, result.getClass());
// TODO: documentation and behavior do not match here!
assertEquals("1101", ((StringEval) result).getStringValue());
}
public void testWithPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Bin().evaluate(args, ctx);
assertEquals("Had: " + result, StringEval.class, result.getClass());
// TODO: documentation and behavior do not match here!
assertEquals("1101", ((StringEval) result).getStringValue());
}
public void testWithToShortPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 3) };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.NUM_ERROR, result);
}
public void testWithTooManyParamsIntInt() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
public void testWithTooManyParams() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Bin().evaluate(args, ctx);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
public void testWithErrorPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ErrorEval.NULL_INTERSECTION };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.NULL_INTERSECTION, result);
}
public void testWithNegativePlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 2) };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.NUM_ERROR, result);
}
public void testWithZeroPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), new NumberEval(0.0) };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.NUM_ERROR, result);
}
public void testWithEmptyPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(1, 0) };
ValueEval result = new Dec2Bin().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
public void testBackAndForth() {
for (int i = -512; i < 512; i++) {
ValueEval result = invokeValue(Integer.toString(i));
assertEquals("Had: " + result, StringEval.class,
result.getClass());
ValueEval back = invokeBack(((StringEval) result).getStringValue());
assertEquals("Had: " + back, NumberEval.class,
back.getClass());
assertEquals(Integer.toString(i),
((NumberEval) back).getStringValue());
}
}
}