[bug-65915] possible issue in boolean function support

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1898421 13f79535-47bb-0310-9956-ffa450edef68

poi/src/main/java/org/apache/poi/ss/formula/functions/BooleanFunction.java

@@ -139,11 +139,14 @@ public abstract class BooleanFunction implements Function,ArrayFunction {
 
     @Override
     public ValueEval evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex) {
-        if (args.length != 1) {
-            return ErrorEval.VALUE_INVALID;
+        if (args.length == 1) {
+            return evaluateOneArrayArg(args[0], srcRowIndex, srcColumnIndex,
+                    vA -> evaluate(new ValueEval[]{vA}, srcRowIndex, srcColumnIndex));
+        } else if (args.length == 2) {
+            return evaluateTwoArrayArgs(args[0], args[1], srcRowIndex, srcColumnIndex,
+                    (vA, vB) -> evaluate(new ValueEval[]{vA, vB}, srcRowIndex, srcColumnIndex));
         }
-        return evaluateOneArrayArg(args[0], srcRowIndex, srcColumnIndex,
-                vA -> evaluate(new ValueEval[]{vA}, srcRowIndex, srcColumnIndex));
+        return ErrorEval.VALUE_INVALID;
     }
 
     private static ValueEval evaluateFalse(ValueEval[] args, int srcRowIndex, int srcColumnIndex) {

poi/src/test/java/org/apache/poi/ss/formula/functions/TestOrFunction.java

@@ -23,6 +23,7 @@ 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.ss.formula.OperationEvaluationContext;
+import org.apache.poi.ss.util.CellRangeAddress;
 import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
@@ -31,6 +32,7 @@ import static org.apache.poi.ss.util.Utils.addRow;
 import static org.apache.poi.ss.util.Utils.assertBoolean;
 import static org.apache.poi.ss.util.Utils.assertDouble;
 import static org.apache.poi.ss.util.Utils.assertString;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * Tests for {@link BooleanFunction#OR}
@@ -88,6 +90,20 @@ final class TestOrFunction {
         }
     }
 
+    @Test
+    void testBug65915ArrayFunction() throws IOException {
+        //https://bz.apache.org/bugzilla/show_bug.cgi?id=65915
+        try (HSSFWorkbook wb = new HSSFWorkbook()) {
+            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
+            HSSFSheet sheet = wb.createSheet();
+            HSSFRow row = sheet.createRow(0);
+            HSSFCell cell = row.createCell(0);
+            sheet.setArrayFormula("INDEX({1},1,IF(OR(FALSE,FALSE),1,1))", new CellRangeAddress(0, 0, 0, 0));
+            fe.evaluateAll();
+            assertEquals(1.0, cell.getNumericCellValue());
+        }
+    }
+
     private HSSFWorkbook initWorkbook1() {
         HSSFWorkbook wb = new HSSFWorkbook();
         HSSFSheet sheet = wb.createSheet();