From cafa57cbdd00aa3e0dc935111fde3daf25890407 Mon Sep 17 00:00:00 2001
From: Yegor Kozlov <yegor@apache.org>
Date: Thu, 21 Feb 2019 11:00:40 +0000
Subject: [PATCH] Bug 60980: Fix parsing formulas with intersections in
 functions args

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1854037 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/poi/ss/formula/FormulaParser.java  |  4 +-
 .../poi/hssf/model/TestFormulaParser.java     | 37 +++++++++++++++++-
 .../usermodel/BaseTestFormulaEvaluator.java   | 38 +++++++++++++++++++
 3 files changed, 76 insertions(+), 3 deletions(-)

diff --git a/src/java/org/apache/poi/ss/formula/FormulaParser.java b/src/java/org/apache/poi/ss/formula/FormulaParser.java
index ce1af447a0..03aa2f23b2 100644
--- a/src/java/org/apache/poi/ss/formula/FormulaParser.java
+++ b/src/java/org/apache/poi/ss/formula/FormulaParser.java
@@ -939,7 +939,7 @@ public final class FormulaParser {
             GetChar();
         }
         SkipWhite();
-        
+
         return sb.toString();
     }
 
@@ -1476,7 +1476,7 @@ public final class FormulaParser {
                 missedPrevArg = true;
                 continue;
             }
-            temp.add(comparisonExpression());
+            temp.add(intersectionExpression());
             missedPrevArg = false;
             SkipWhite();
             if (!isArgumentDelimiter(look)) {
diff --git a/src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java b/src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java
index b58ccec8e9..ee69630638 100644
--- a/src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java
+++ b/src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java
@@ -1279,7 +1279,42 @@ public final class TestFormulaParser {
             ParenthesisPtg.class
         );
     }
-    
+
+    // https://bz.apache.org/bugzilla/show_bug.cgi?id=60980
+    @Test
+    public void testIntersectionInFunctionArgs() {
+        confirmTokenClasses("SUM(A1:B2 B2:C3)",
+                MemAreaPtg.class,
+                AreaPtg.class,
+                AreaPtg.class,
+                IntersectionPtg.class,
+                AttrPtg.class
+        );
+    }
+
+    @Test
+    public void testIntersectionNamesInFunctionArgs() {
+        HSSFWorkbook wb = new HSSFWorkbook();
+
+        HSSFName name1 = wb.createName();
+        name1.setNameName("foo1");
+        name1.setRefersToFormula("A1:A3");
+
+        HSSFName name2 = wb.createName();
+        name2.setNameName("foo2");
+        name2.setRefersToFormula("A1:B3");
+
+        Ptg[] ptgs = FormulaParser.parse("SUM(foo1 foo2)", HSSFEvaluationWorkbook.create(wb), FormulaType.CELL, -1);
+
+        confirmTokenClasses(ptgs,
+                MemFuncPtg.class,
+                NamePtg.class,
+                NamePtg.class,
+                IntersectionPtg.class,
+                AttrPtg.class
+        );
+    }
+
     @Test
     public void testRange_bug46643() throws IOException {
         String formula = "Sheet1!A1:Sheet1!B3";
diff --git a/src/testcases/org/apache/poi/ss/usermodel/BaseTestFormulaEvaluator.java b/src/testcases/org/apache/poi/ss/usermodel/BaseTestFormulaEvaluator.java
index b47f3453f1..61d3f41e33 100644
--- a/src/testcases/org/apache/poi/ss/usermodel/BaseTestFormulaEvaluator.java
+++ b/src/testcases/org/apache/poi/ss/usermodel/BaseTestFormulaEvaluator.java
@@ -691,4 +691,42 @@ public abstract class BaseTestFormulaEvaluator {
             assertEquals(formula, a2.getCellFormula());
         }
     }
+
+    // setting an evaluation of function arguments with the intersect operator (space)
+    // see https://bz.apache.org/bugzilla/show_bug.cgi?id=60980
+    @Test
+    public void testIntersectionInFunctionArgs_60980() throws IOException {
+        Workbook wb = _testDataProvider.createWorkbook();
+        FormulaEvaluator fe = wb.getCreationHelper().createFormulaEvaluator();
+
+
+        Name n1 = wb.createName();
+        n1.setNameName("foo");
+        n1.setRefersToFormula("A4:B5");
+        Name n2 = wb.createName();
+        n2.setNameName("bar");
+        n2.setRefersToFormula("B4:C5");
+
+        Sheet sheet = wb.createSheet();
+        Row row3 = sheet.createRow(3);
+        row3.createCell(0).setCellValue(1);
+        row3.createCell(1).setCellValue(2);
+        row3.createCell(2).setCellValue(3);
+        Row row4 = sheet.createRow(4);
+        row4.createCell(0).setCellValue(4);
+        row4.createCell(1).setCellValue(5);
+        row4.createCell(2).setCellValue(6);
+
+        Cell fmla1 = row3.createCell(4);
+        fmla1.setCellFormula("SUM(A4:B5 B4:C5)");
+        fe.evaluateFormulaCell(fmla1);
+        assertEquals(7, fmla1.getNumericCellValue(), 0.000);
+
+        Cell fmla2 = row3.createCell(5);
+        fmla2.setCellFormula("SUM(foo bar)");
+        fe.evaluateFormulaCell(fmla2);
+        assertEquals(7, fmla2.getNumericCellValue(), 0.000);
+
+        wb.close();
+    }
 }
-- 
2.39.5