From d5309773479853f14eaa7cb6e335af7576b82f9d Mon Sep 17 00:00:00 2001
From: PJ Fanning <fanningpj@apache.org>
Date: Fri, 21 Jun 2024 20:25:46 +0000
Subject: [PATCH] [bug-69147] fix issues with text function when input is a
 datetime in string format

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1918501 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/poi/ss/formula/functions/TextFunction.java  | 10 +++++++++-
 .../org/apache/poi/ss/formula/functions/TestText.java  |  7 +++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/poi/src/main/java/org/apache/poi/ss/formula/functions/TextFunction.java b/poi/src/main/java/org/apache/poi/ss/formula/functions/TextFunction.java
index d0a78c4bc1..518fe08e0c 100644
--- a/poi/src/main/java/org/apache/poi/ss/formula/functions/TextFunction.java
+++ b/poi/src/main/java/org/apache/poi/ss/formula/functions/TextFunction.java
@@ -31,6 +31,7 @@ import org.apache.poi.ss.formula.eval.StringEval;
 import org.apache.poi.ss.formula.eval.StringValueEval;
 import org.apache.poi.ss.formula.eval.ValueEval;
 import org.apache.poi.ss.usermodel.DataFormatter;
+import org.apache.poi.ss.usermodel.DateUtil;
 
 public abstract class TextFunction implements Function {
     protected static final DataFormatter formatter = new DataFormatter();
@@ -39,6 +40,7 @@ public abstract class TextFunction implements Function {
         ValueEval ve = OperandResolver.getSingleValue(eval, srcRow, srcCol);
         return OperandResolver.coerceValueToString(ve);
     }
+
     protected static int evaluateIntArg(ValueEval arg, int srcCellRow, int srcCellCol) throws EvaluationException {
         ValueEval ve = OperandResolver.getSingleValue(arg, srcCellRow, srcCellCol);
         return OperandResolver.coerceValueToInt(ve);
@@ -363,8 +365,14 @@ public abstract class TextFunction implements Function {
                     } else if (valueVe instanceof StringEval) {
                         evaluated = ((StringEval) valueVe).getStringValue();
                         valueDouble = OperandResolver.parseDouble(evaluated);
+                        if (valueDouble == null) {
+                            try {
+                                valueDouble = DateUtil.parseDateTime(evaluated);
+                            } catch (Exception ignored) {
+                                valueDouble = null;
+                            }
+                        }
                     }
-
                     if (valueDouble != null) {
                         String format = formatPatternValueEval2String(formatVe);
                         evaluated = formatter.formatRawCellContents(valueDouble, -1, format);
diff --git a/poi/src/test/java/org/apache/poi/ss/formula/functions/TestText.java b/poi/src/test/java/org/apache/poi/ss/formula/functions/TestText.java
index 8a7dab1cb6..7be6ba5664 100644
--- a/poi/src/test/java/org/apache/poi/ss/formula/functions/TestText.java
+++ b/poi/src/test/java/org/apache/poi/ss/formula/functions/TestText.java
@@ -286,6 +286,13 @@ final class TestText {
         testText(new NumberEval(DateUtil.getExcelDate(ld)), new StringEval("MMM"), "Feb");
     }
 
+    @Test
+    void testTextMMMStringInput() {
+        //  https://bz.apache.org/bugzilla/show_bug.cgi?id=67475
+        String dateInput = "02/28/2022";
+        testText(new StringEval(dateInput), new StringEval("MMM"), "Feb");
+    }
+
     private void testText(ValueEval valueArg, ValueEval formatArg, String expectedResult) {
         ValueEval[] args = { valueArg, formatArg };
         ValueEval result = TextFunction.TEXT.evaluate(args, -1, -1);