<!-- Don't forget to update status.xml too! -->
<release version="3.1.1-alpha1" date="2008-??-??">
+ <action dev="POI-DEVELOPERS" type="fix">45289 - finished support for special comparison operators in COUNTIF</action>
<action dev="POI-DEVELOPERS" type="fix">45126 - Avoid generating multiple NamedRanges with the same name, which Excel dislikes</action>
<action dev="POI-DEVELOPERS" type="fix">Fix cell.getRichStringCellValue() for formula cells with string results</action>
<action dev="POI-DEVELOPERS" type="fix">45365 - Handle more excel number formatting rules in FormatTrackingHSSFListener / XLS2CSVmra</action>
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.1.1-alpha1" date="2008-??-??">
+ <action dev="POI-DEVELOPERS" type="fix">45289 - finished support for special comparison operators in COUNTIF</action>
<action dev="POI-DEVELOPERS" type="fix">45126 - Avoid generating multiple NamedRanges with the same name, which Excel dislikes</action>
<action dev="POI-DEVELOPERS" type="fix">Fix cell.getRichStringCellValue() for formula cells with string results</action>
<action dev="POI-DEVELOPERS" type="fix">45365 - Handle more excel number formatting rules in FormatTrackingHSSFListener / XLS2CSVmra</action>
* limitations under the License.
*/
-
package org.apache.poi.hssf.record.formula.functions;
+import java.util.regex.Pattern;
+
import org.apache.poi.hssf.record.formula.eval.AreaEval;
+import org.apache.poi.hssf.record.formula.eval.BlankEval;
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
import org.apache.poi.hssf.record.formula.eval.NumberEval;
+import org.apache.poi.hssf.record.formula.eval.OperandResolver;
import org.apache.poi.hssf.record.formula.eval.RefEval;
import org.apache.poi.hssf.record.formula.eval.StringEval;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
* @author Josh Micich
*/
public final class Countif implements Function {
-
+
+ private static final class CmpOp {
+ public static final int NONE = 0;
+ public static final int EQ = 1;
+ public static final int NE = 2;
+ public static final int LE = 3;
+ public static final int LT = 4;
+ public static final int GT = 5;
+ public static final int GE = 6;
+
+ public static final CmpOp OP_NONE = op("", NONE);
+ public static final CmpOp OP_EQ = op("=", EQ);
+ public static final CmpOp OP_NE = op("<>", NE);
+ public static final CmpOp OP_LE = op("<=", LE);
+ public static final CmpOp OP_LT = op("<", LT);
+ public static final CmpOp OP_GT = op(">", GT);
+ public static final CmpOp OP_GE = op(">=", GE);
+ private final String _representation;
+ private final int _code;
+
+ private static CmpOp op(String rep, int code) {
+ return new CmpOp(rep, code);
+ }
+ private CmpOp(String representation, int code) {
+ _representation = representation;
+ _code = code;
+ }
+ /**
+ * @return number of characters used to represent this operator
+ */
+ public int getLength() {
+ return _representation.length();
+ }
+ public int getCode() {
+ return _code;
+ }
+ public static CmpOp getOperator(String value) {
+ int len = value.length();
+ if (len < 1) {
+ return OP_NONE;
+ }
+
+ char firstChar = value.charAt(0);
+
+ switch(firstChar) {
+ case '=':
+ return OP_EQ;
+ case '>':
+ if (len > 1) {
+ switch(value.charAt(1)) {
+ case '=':
+ return OP_GE;
+ }
+ }
+ return OP_GT;
+ case '<':
+ if (len > 1) {
+ switch(value.charAt(1)) {
+ case '=':
+ return OP_LE;
+ case '>':
+ return OP_NE;
+ }
+ }
+ return OP_LT;
+ }
+ return OP_NONE;
+ }
+ public boolean evaluate(boolean cmpResult) {
+ switch (_code) {
+ case NONE:
+ case EQ:
+ return cmpResult;
+ case NE:
+ return !cmpResult;
+ }
+ throw new RuntimeException("Cannot call boolean evaluate on non-equality operator '"
+ + _representation + "'");
+ }
+ public boolean evaluate(int cmpResult) {
+ switch (_code) {
+ case NONE:
+ case EQ:
+ return cmpResult == 0;
+ case NE: return cmpResult == 0;
+ case LT: return cmpResult < 0;
+ case LE: return cmpResult <= 0;
+ case GT: return cmpResult > 0;
+ case GE: return cmpResult <= 0;
+ }
+ throw new RuntimeException("Cannot call boolean evaluate on non-equality operator '"
+ + _representation + "'");
+ }
+ public String toString() {
+ StringBuffer sb = new StringBuffer(64);
+ sb.append(getClass().getName());
+ sb.append(" [").append(_representation).append("]");
+ return sb.toString();
+ }
+ }
+
/**
* Common interface for the matching criteria.
*/
- private interface I_MatchPredicate {
+ /* package */ interface I_MatchPredicate {
boolean matches(Eval x);
}
-
+
private static final class NumberMatcher implements I_MatchPredicate {
private final double _value;
+ private final CmpOp _operator;
- public NumberMatcher(double value) {
+ public NumberMatcher(double value, CmpOp operator) {
_value = value;
+ _operator = operator;
}
public boolean matches(Eval x) {
+ double testValue;
if(x instanceof StringEval) {
// if the target(x) is a string, but parses as a number
// it may still count as a match
StringEval se = (StringEval)x;
- Double val = parseDouble(se.getStringValue());
+ Double val = OperandResolver.parseDouble(se.getStringValue());
if(val == null) {
// x is text that is not a number
return false;
}
- return val.doubleValue() == _value;
- }
- if(!(x instanceof NumberEval)) {
+ testValue = val.doubleValue();
+ } else if((x instanceof NumberEval)) {
+ NumberEval ne = (NumberEval) x;
+ testValue = ne.getNumberValue();
+ } else {
return false;
}
- NumberEval ne = (NumberEval) x;
- return ne.getNumberValue() == _value;
+ return _operator.evaluate(Double.compare(testValue, _value));
}
}
private static final class BooleanMatcher implements I_MatchPredicate {
- private final boolean _value;
+ private final int _value;
+ private final CmpOp _operator;
- public BooleanMatcher(boolean value) {
- _value = value;
+ public BooleanMatcher(boolean value, CmpOp operator) {
+ _value = boolToInt(value);
+ _operator = operator;
+ }
+
+ private static int boolToInt(boolean value) {
+ return value ? 1 : 0;
}
public boolean matches(Eval x) {
+ int testValue;
if(x instanceof StringEval) {
+ if (true) { // change to false to observe more intuitive behaviour
+ // Note - Unlike with numbers, it seems that COUNTIF never matches
+ // boolean values when the target(x) is a string
+ return false;
+ }
StringEval se = (StringEval)x;
Boolean val = parseBoolean(se.getStringValue());
if(val == null) {
// x is text that is not a boolean
return false;
}
- if (true) { // change to false to observe more intuitive behaviour
- // Note - Unlike with numbers, it seems that COUNTA never matches
- // boolean values when the target(x) is a string
- return false;
- }
- return val.booleanValue() == _value;
- }
- if(!(x instanceof BoolEval)) {
+ testValue = boolToInt(val.booleanValue());
+ } else if((x instanceof BoolEval)) {
+ BoolEval be = (BoolEval) x;
+ testValue = boolToInt(be.getBooleanValue());
+ } else {
return false;
}
- BoolEval be = (BoolEval) x;
- return be.getBooleanValue() == _value;
+ return _operator.evaluate(testValue - _value);
}
}
private static final class StringMatcher implements I_MatchPredicate {
private final String _value;
+ private final CmpOp _operator;
+ private final Pattern _pattern;
- public StringMatcher(String value) {
+ public StringMatcher(String value, CmpOp operator) {
_value = value;
+ _operator = operator;
+ switch(operator.getCode()) {
+ case CmpOp.NONE:
+ case CmpOp.EQ:
+ case CmpOp.NE:
+ _pattern = getWildCardPattern(value);
+ break;
+ default:
+ _pattern = null;
+ }
}
public boolean matches(Eval x) {
+ if (x instanceof BlankEval) {
+ switch(_operator.getCode()) {
+ case CmpOp.NONE:
+ case CmpOp.EQ:
+ return _value.length() == 0;
+ }
+ // no other criteria matches a blank cell
+ return false;
+ }
if(!(x instanceof StringEval)) {
+ // must always be string
+ // even if match str is wild, but contains only digits
+ // e.g. '4*7', NumberEval(4567) does not match
return false;
}
- StringEval se = (StringEval) x;
- return se.getStringValue() == _value;
+ String testedValue = ((StringEval) x).getStringValue();
+ if (testedValue.length() < 1 && _value.length() < 1) {
+ // odd case: criteria '=' behaves differently to criteria ''
+
+ switch(_operator.getCode()) {
+ case CmpOp.NONE: return true;
+ case CmpOp.EQ: return false;
+ case CmpOp.NE: return true;
+ }
+ return false;
+ }
+ if (_pattern != null) {
+ return _operator.evaluate(_pattern.matcher(testedValue).matches());
+ }
+ return _operator.evaluate(testedValue.compareTo(_value));
+ }
+ /**
+ * Translates Excel countif wildcard strings into java regex strings
+ * @return <code>null</code> if the specified value contains no special wildcard characters.
+ */
+ private static Pattern getWildCardPattern(String value) {
+ int len = value.length();
+ StringBuffer sb = new StringBuffer(len);
+ boolean hasWildCard = false;
+ for(int i=0; i<len; i++) {
+ char ch = value.charAt(i);
+ switch(ch) {
+ case '?':
+ hasWildCard = true;
+ // match exactly one character
+ sb.append('.');
+ continue;
+ case '*':
+ hasWildCard = true;
+ // match one or more occurrences of any character
+ sb.append(".*");
+ continue;
+ case '~':
+ if (i+1<len) {
+ ch = value.charAt(i+1);
+ switch (ch) {
+ case '?':
+ case '*':
+ hasWildCard = true;
+ sb.append('[').append(ch).append(']');
+ i++; // Note - incrementing loop variable here
+ continue;
+ }
+ }
+ // else not '~?' or '~*'
+ sb.append('~'); // just plain '~'
+ continue;
+ case '.':
+ case '$':
+ case '^':
+ case '[':
+ case ']':
+ case '(':
+ case ')':
+ // escape literal characters that would have special meaning in regex
+ sb.append("\\").append(ch);
+ continue;
+ }
+ sb.append(ch);
+ }
+ if (hasWildCard) {
+ return Pattern.compile(sb.toString());
+ }
+ return null;
}
}
// perhaps this should be an exception
return ErrorEval.VALUE_INVALID;
}
-
- AreaEval range = (AreaEval) args[0];
+
Eval criteriaArg = args[1];
if(criteriaArg instanceof RefEval) {
// criteria is not a literal value, but a cell reference
// other non literal tokens such as function calls, have been fully evaluated
// for example COUNTIF(B2:D4, COLUMN(E1))
}
+ if(criteriaArg instanceof BlankEval) {
+ // If the criteria arg is a reference to a blank cell, countif always returns zero.
+ return NumberEval.ZERO;
+ }
I_MatchPredicate mp = createCriteriaPredicate(criteriaArg);
- return countMatchingCellsInArea(range, mp);
+ return countMatchingCellsInArea(args[0], mp);
}
/**
* @return the number of evaluated cells in the range that match the specified criteria
*/
- private Eval countMatchingCellsInArea(AreaEval range, I_MatchPredicate criteriaPredicate) {
- ValueEval[] values = range.getValues();
+ private Eval countMatchingCellsInArea(Eval rangeArg, I_MatchPredicate criteriaPredicate) {
int result = 0;
- for (int i = 0; i < values.length; i++) {
- if(criteriaPredicate.matches(values[i])) {
+ if (rangeArg instanceof RefEval) {
+ RefEval refEval = (RefEval) rangeArg;
+ if(criteriaPredicate.matches(refEval.getInnerValueEval())) {
result++;
}
+ } else if (rangeArg instanceof AreaEval) {
+
+ AreaEval range = (AreaEval) rangeArg;
+ ValueEval[] values = range.getValues();
+ for (int i = 0; i < values.length; i++) {
+ if(criteriaPredicate.matches(values[i])) {
+ result++;
+ }
+ }
+ } else {
+ throw new IllegalArgumentException("Bad range arg type (" + rangeArg.getClass().getName() + ")");
}
return new NumberEval(result);
}
-
- private static I_MatchPredicate createCriteriaPredicate(Eval evaluatedCriteriaArg) {
+
+ /* package */ static I_MatchPredicate createCriteriaPredicate(Eval evaluatedCriteriaArg) {
+
if(evaluatedCriteriaArg instanceof NumberEval) {
- return new NumberMatcher(((NumberEval)evaluatedCriteriaArg).getNumberValue());
+ return new NumberMatcher(((NumberEval)evaluatedCriteriaArg).getNumberValue(), CmpOp.OP_NONE);
}
if(evaluatedCriteriaArg instanceof BoolEval) {
- return new BooleanMatcher(((BoolEval)evaluatedCriteriaArg).getBooleanValue());
+ return new BooleanMatcher(((BoolEval)evaluatedCriteriaArg).getBooleanValue(), CmpOp.OP_NONE);
}
-
+
if(evaluatedCriteriaArg instanceof StringEval) {
return createGeneralMatchPredicate((StringEval)evaluatedCriteriaArg);
}
*/
private static I_MatchPredicate createGeneralMatchPredicate(StringEval stringEval) {
String value = stringEval.getStringValue();
- char firstChar = value.charAt(0);
+ CmpOp operator = CmpOp.getOperator(value);
+ value = value.substring(operator.getLength());
+
Boolean booleanVal = parseBoolean(value);
if(booleanVal != null) {
- return new BooleanMatcher(booleanVal.booleanValue());
+ return new BooleanMatcher(booleanVal.booleanValue(), operator);
}
-
- Double doubleVal = parseDouble(value);
+
+ Double doubleVal = OperandResolver.parseDouble(value);
if(doubleVal != null) {
- return new NumberMatcher(doubleVal.doubleValue());
- }
- switch(firstChar) {
- case '>':
- case '<':
- case '=':
- throw new RuntimeException("Incomplete code - criteria expressions such as '"
- + value + "' not supported yet");
+ return new NumberMatcher(doubleVal.doubleValue(), operator);
}
-
- //else - just a plain string with no interpretation.
- return new StringMatcher(value);
- }
- /**
- * Under certain circumstances COUNTA will equate a plain number with a string representation of that number
- */
- /* package */ static Double parseDouble(String strRep) {
- if(!Character.isDigit(strRep.charAt(0))) {
- // avoid using NumberFormatException to tell when string is not a number
- return null;
- }
- // TODO - support notation like '1E3' (==1000)
-
- double val;
- try {
- val = Double.parseDouble(strRep);
- } catch (NumberFormatException e) {
- return null;
- }
- return new Double(val);
+ //else - just a plain string with no interpretation.
+ return new StringMatcher(value, operator);
}
/**
* Boolean literals ('TRUE', 'FALSE') treated similarly but NOT same as numbers.
*/
/* package */ static Boolean parseBoolean(String strRep) {
+ if (strRep.length() < 1) {
+ return null;
+ }
switch(strRep.charAt(0)) {
case 't':
case 'T':
import org.apache.poi.hssf.record.formula.eval.BoolEval;
import org.apache.poi.hssf.record.formula.eval.ErrorEval;
import org.apache.poi.hssf.record.formula.eval.Eval;
+import org.apache.poi.hssf.record.formula.eval.EvaluationException;
import org.apache.poi.hssf.record.formula.eval.NumericValueEval;
+import org.apache.poi.hssf.record.formula.eval.OperandResolver;
import org.apache.poi.hssf.record.formula.eval.Ref3DEval;
import org.apache.poi.hssf.record.formula.eval.RefEval;
import org.apache.poi.hssf.record.formula.eval.StringEval;
private static final int LAST_VALID_COLUMN_INDEX = 0xFF;
- /**
- * Exceptions are used within this class to help simplify flow control when error conditions
- * are encountered
- */
- private static final class EvalEx extends Exception {
- private final ErrorEval _error;
-
- public EvalEx(ErrorEval error) {
- _error = error;
- }
- public ErrorEval getError() {
- return _error;
- }
- }
-
/**
* A one dimensional base + offset. Represents either a row range or a column range.
* Two instances of this class together specify an area range.
return sb.toString();
}
}
-
-
+
/**
* Encapsulates either an area or cell reference which may be 2d or 3d.
*/
public int getWidth() {
return _width;
}
-
public int getHeight() {
return _height;
}
-
public int getFirstRowIndex() {
return _firstRowIndex;
}
-
public int getFirstColumnIndex() {
return _firstColumnIndex;
}
-
public boolean isIs3d() {
return _externalSheetIndex > 0;
}
}
return (short) _externalSheetIndex;
}
-
}
public ValueEval evaluate(Eval[] args, int srcCellRow, short srcCellCol, HSSFWorkbook workbook, HSSFSheet sheet) {
return ErrorEval.VALUE_INVALID;
}
-
try {
BaseRef baseRef = evaluateBaseRef(args[0]);
int rowOffset = evaluateIntArg(args[1], srcCellRow, srcCellCol);
LinearOffsetRange rowOffsetRange = new LinearOffsetRange(rowOffset, height);
LinearOffsetRange colOffsetRange = new LinearOffsetRange(columnOffset, width);
return createOffset(baseRef, rowOffsetRange, colOffsetRange, workbook, sheet);
- } catch (EvalEx e) {
- return e.getError();
+ } catch (EvaluationException e) {
+ return e.getErrorEval();
}
}
-
private static AreaEval createOffset(BaseRef baseRef,
LinearOffsetRange rowOffsetRange, LinearOffsetRange colOffsetRange,
- HSSFWorkbook workbook, HSSFSheet sheet) throws EvalEx {
+ HSSFWorkbook workbook, HSSFSheet sheet) throws EvaluationException {
LinearOffsetRange rows = rowOffsetRange.normaliseAndTranslate(baseRef.getFirstRowIndex());
LinearOffsetRange cols = colOffsetRange.normaliseAndTranslate(baseRef.getFirstColumnIndex());
if(rows.isOutOfBounds(0, LAST_VALID_ROW_INDEX)) {
- throw new EvalEx(ErrorEval.REF_INVALID);
+ throw new EvaluationException(ErrorEval.REF_INVALID);
}
if(cols.isOutOfBounds(0, LAST_VALID_COLUMN_INDEX)) {
- throw new EvalEx(ErrorEval.REF_INVALID);
+ throw new EvaluationException(ErrorEval.REF_INVALID);
}
if(baseRef.isIs3d()) {
Area3DPtg a3dp = new Area3DPtg(rows.getFirstIndex(), rows.getLastIndex(),
return HSSFFormulaEvaluator.evaluateAreaPtg(sheet, workbook, ap);
}
-
- private static BaseRef evaluateBaseRef(Eval eval) throws EvalEx {
+ private static BaseRef evaluateBaseRef(Eval eval) throws EvaluationException {
if(eval instanceof RefEval) {
return new BaseRef((RefEval)eval);
return new BaseRef((AreaEval)eval);
}
if (eval instanceof ErrorEval) {
- throw new EvalEx((ErrorEval) eval);
+ throw new EvaluationException((ErrorEval) eval);
}
- throw new EvalEx(ErrorEval.VALUE_INVALID);
+ throw new EvaluationException(ErrorEval.VALUE_INVALID);
}
-
/**
* OFFSET's numeric arguments (2..5) have similar processing rules
*/
- private static int evaluateIntArg(Eval eval, int srcCellRow, short srcCellCol) throws EvalEx {
+ private static int evaluateIntArg(Eval eval, int srcCellRow, short srcCellCol) throws EvaluationException {
double d = evaluateDoubleArg(eval, srcCellRow, srcCellCol);
return convertDoubleToInt(d);
return (int)Math.floor(d);
}
-
- private static double evaluateDoubleArg(Eval eval, int srcCellRow, short srcCellCol) throws EvalEx {
- ValueEval ve = evaluateSingleValue(eval, srcCellRow, srcCellCol);
+ private static double evaluateDoubleArg(Eval eval, int srcCellRow, short srcCellCol) throws EvaluationException {
+ ValueEval ve = OperandResolver.getSingleValue(eval, srcCellRow, srcCellCol);
if (ve instanceof NumericValueEval) {
return ((NumericValueEval) ve).getNumberValue();
}
if (ve instanceof StringEval) {
StringEval se = (StringEval) ve;
- Double d = parseDouble(se.getStringValue());
+ Double d = OperandResolver.parseDouble(se.getStringValue());
if(d == null) {
- throw new EvalEx(ErrorEval.VALUE_INVALID);
+ throw new EvaluationException(ErrorEval.VALUE_INVALID);
}
return d.doubleValue();
}
}
throw new RuntimeException("Unexpected eval type (" + ve.getClass().getName() + ")");
}
-
- private static Double parseDouble(String s) {
- // TODO - find a home for this method
- // TODO - support various number formats: sign char, dollars, commas
- // OFFSET and COUNTIF seem to handle these
- return Countif.parseDouble(s);
- }
-
- private static ValueEval evaluateSingleValue(Eval eval, int srcCellRow, short srcCellCol) throws EvalEx {
- if(eval instanceof RefEval) {
- return ((RefEval)eval).getInnerValueEval();
- }
- if(eval instanceof AreaEval) {
- return chooseSingleElementFromArea((AreaEval)eval, srcCellRow, srcCellCol);
- }
- if (eval instanceof ValueEval) {
- return (ValueEval) eval;
- }
- throw new RuntimeException("Unexpected eval type (" + eval.getClass().getName() + ")");
- }
-
- // TODO - this code seems to get repeated a bit
- private static ValueEval chooseSingleElementFromArea(AreaEval ae, int srcCellRow, short srcCellCol) throws EvalEx {
- if (ae.isColumn()) {
- if (ae.isRow()) {
- return ae.getValues()[0];
- }
- if (!ae.containsRow(srcCellRow)) {
- throw new EvalEx(ErrorEval.VALUE_INVALID);
- }
- return ae.getValueAt(srcCellRow, ae.getFirstColumn());
- }
- if (!ae.isRow()) {
- throw new EvalEx(ErrorEval.VALUE_INVALID);
- }
- if (!ae.containsColumn(srcCellCol)) {
- throw new EvalEx(ErrorEval.VALUE_INVALID);
- }
- return ae.getValueAt(ae.getFirstRow(), srcCellCol);
- }
}
package org.apache.poi.hssf.record.formula.functions;
+import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
+import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.record.formula.AreaPtg;
import org.apache.poi.hssf.record.formula.RefPtg;
import org.apache.poi.hssf.record.formula.eval.Area2DEval;
import org.apache.poi.hssf.record.formula.eval.Ref2DEval;
import org.apache.poi.hssf.record.formula.eval.StringEval;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
+import org.apache.poi.hssf.record.formula.functions.Countif.I_MatchPredicate;
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator.CellValue;
/**
* Test cases for COUNT(), COUNTA() COUNTIF(), COUNTBLANK()
double result = NumericFunctionInvoker.invoke(new Countif(), args);
assertEquals(expected, result, 0);
}
+
+ public void testCountIfEmptyStringCriteria() {
+ I_MatchPredicate mp;
+
+ // pred '=' matches blank cell but not empty string
+ mp = Countif.createCriteriaPredicate(new StringEval("="));
+ confirmPredicate(false, mp, "");
+ confirmPredicate(true, mp, null);
+
+ // pred '' matches both blank cell but not empty string
+ mp = Countif.createCriteriaPredicate(new StringEval(""));
+ confirmPredicate(true, mp, "");
+ confirmPredicate(true, mp, null);
+
+ // pred '<>' matches empty string but not blank cell
+ mp = Countif.createCriteriaPredicate(new StringEval("<>"));
+ confirmPredicate(false, mp, null);
+ confirmPredicate(true, mp, "");
+ }
+
+ public void testCountifComparisons() {
+ I_MatchPredicate mp;
+
+ mp = Countif.createCriteriaPredicate(new StringEval(">5"));
+ confirmPredicate(false, mp, 4);
+ confirmPredicate(false, mp, 5);
+ confirmPredicate(true, mp, 6);
+
+ mp = Countif.createCriteriaPredicate(new StringEval("<=5"));
+ confirmPredicate(true, mp, 4);
+ confirmPredicate(true, mp, 5);
+ confirmPredicate(false, mp, 6);
+ confirmPredicate(true, mp, "4.9");
+ confirmPredicate(false, mp, "4.9t");
+ confirmPredicate(false, mp, "5.1");
+ confirmPredicate(false, mp, null);
+
+ mp = Countif.createCriteriaPredicate(new StringEval("=abc"));
+ confirmPredicate(true, mp, "abc");
+
+ mp = Countif.createCriteriaPredicate(new StringEval("=42"));
+ confirmPredicate(false, mp, 41);
+ confirmPredicate(true, mp, 42);
+ confirmPredicate(true, mp, "42");
+
+ mp = Countif.createCriteriaPredicate(new StringEval(">abc"));
+ confirmPredicate(false, mp, 4);
+ confirmPredicate(false, mp, "abc");
+ confirmPredicate(true, mp, "abd");
+
+ mp = Countif.createCriteriaPredicate(new StringEval(">4t3"));
+ confirmPredicate(false, mp, 4);
+ confirmPredicate(false, mp, 500);
+ confirmPredicate(true, mp, "500");
+ confirmPredicate(true, mp, "4t4");
+ }
+
+ public void testWildCards() {
+ I_MatchPredicate mp;
+
+ mp = Countif.createCriteriaPredicate(new StringEval("a*b"));
+ confirmPredicate(false, mp, "abc");
+ confirmPredicate(true, mp, "ab");
+ confirmPredicate(true, mp, "axxb");
+ confirmPredicate(false, mp, "xab");
+
+ mp = Countif.createCriteriaPredicate(new StringEval("a?b"));
+ confirmPredicate(false, mp, "abc");
+ confirmPredicate(false, mp, "ab");
+ confirmPredicate(false, mp, "axxb");
+ confirmPredicate(false, mp, "xab");
+ confirmPredicate(true, mp, "axb");
+
+ mp = Countif.createCriteriaPredicate(new StringEval("a~?"));
+ confirmPredicate(false, mp, "a~a");
+ confirmPredicate(false, mp, "a~?");
+ confirmPredicate(true, mp, "a?");
+
+ mp = Countif.createCriteriaPredicate(new StringEval("~*a"));
+ confirmPredicate(false, mp, "~aa");
+ confirmPredicate(false, mp, "~*a");
+ confirmPredicate(true, mp, "*a");
+
+ mp = Countif.createCriteriaPredicate(new StringEval("12?12"));
+ confirmPredicate(false, mp, 12812);
+ confirmPredicate(true, mp, "12812");
+ confirmPredicate(false, mp, "128812");
+ }
+ public void testNotQuiteWildCards() {
+ I_MatchPredicate mp;
+
+ // make sure special reg-ex chars are treated like normal chars
+ mp = Countif.createCriteriaPredicate(new StringEval("a.b"));
+ confirmPredicate(false, mp, "aab");
+ confirmPredicate(true, mp, "a.b");
+
+
+ mp = Countif.createCriteriaPredicate(new StringEval("a~b"));
+ confirmPredicate(false, mp, "ab");
+ confirmPredicate(false, mp, "axb");
+ confirmPredicate(false, mp, "a~~b");
+ confirmPredicate(true, mp, "a~b");
+
+ mp = Countif.createCriteriaPredicate(new StringEval(">a*b"));
+ confirmPredicate(false, mp, "a(b");
+ confirmPredicate(true, mp, "aab");
+ confirmPredicate(false, mp, "a*a");
+ confirmPredicate(true, mp, "a*c");
+ }
+
+ private static void confirmPredicate(boolean expectedResult, I_MatchPredicate matchPredicate, int value) {
+ assertEquals(expectedResult, matchPredicate.matches(new NumberEval(value)));
+ }
+ private static void confirmPredicate(boolean expectedResult, I_MatchPredicate matchPredicate, String value) {
+ Eval ev = value == null ? (Eval)BlankEval.INSTANCE : new StringEval(value);
+ assertEquals(expectedResult, matchPredicate.matches(ev));
+ }
+
+ public void testCountifFromSpreadsheet() {
+ final String FILE_NAME = "countifExamples.xls";
+ final int START_ROW_IX = 1;
+ final int COL_IX_ACTUAL = 2;
+ final int COL_IX_EXPECTED = 3;
+
+ int failureCount = 0;
+ HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook(FILE_NAME);
+ HSSFSheet sheet = wb.getSheetAt(0);
+ HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(sheet, wb);
+ int maxRow = sheet.getLastRowNum();
+ for (int rowIx=START_ROW_IX; rowIx<maxRow; rowIx++) {
+ HSSFRow row = sheet.getRow(rowIx);
+ if(row == null) {
+ continue;
+ }
+ HSSFCell cell = row.getCell(COL_IX_ACTUAL);
+ fe.setCurrentRow(row);
+ CellValue cv = fe.evaluate(cell);
+ double actualValue = cv.getNumberValue();
+ double expectedValue = row.getCell(COL_IX_EXPECTED).getNumericCellValue();
+ if (actualValue != expectedValue) {
+ System.err.println("Problem with test case on row " + (rowIx+1) + " "
+ + "Expected = (" + expectedValue + ") Actual=(" + actualValue + ") ");
+ failureCount++;
+ }
+ }
+
+ if (failureCount > 0) {
+ throw new AssertionFailedError(failureCount + " countif evaluations failed. See stderr for more details");
+ }
+ }
}