From 18d6ba245fb7fd2955ec922903e57e44f8509b0c Mon Sep 17 00:00:00 2001
From: Xisco Fauli <xiscofauli@libreoffice.org>
Date: Tue, 10 Mar 2026 11:46:59 +0100
Subject: [PATCH] tdf#63756: sc_subsequent_filters_test4: Add test

Change-Id: Ib3ae29de3e64decdeb88132d09c43dcba5d1273a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/201360
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Tested-by: Jenkins
---
 sc/qa/unit/data/xml/tdf63756.xml        | 53 +++++++++++++++++++++++++
 sc/qa/unit/subsequent_filters_test4.cxx |  9 +++++
 2 files changed, 62 insertions(+)
 create mode 100644 sc/qa/unit/data/xml/tdf63756.xml

diff --git a/sc/qa/unit/data/xml/tdf63756.xml b/sc/qa/unit/data/xml/tdf63756.xml
new file mode 100644
index 000000000000..453d4d1d3357
--- /dev/null
+++ b/sc/qa/unit/data/xml/tdf63756.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="windows-1250"?>
+<?mso-application progid="Excel.Sheet"?>
+<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	<OfficeDocumentSettings xmlns="urn:schemas-microsoft-com:office:office">
+		<Colors>
+			<Color>
+				<Index>3</Index>
+				<RGB>#c0c0c0</RGB>
+			</Color>
+			<Color>
+				<Index>4</Index>
+				<RGB>#ff0000</RGB>
+			</Color>
+		</Colors>
+	</OfficeDocumentSettings>
+	<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
+		<WindowHeight>9000</WindowHeight>
+		<WindowWidth>13860</WindowWidth>
+		<WindowTopX>240</WindowTopX>
+		<WindowTopY>75</WindowTopY>
+		<ProtectStructure>False</ProtectStructure>
+		<ProtectWindows>False</ProtectWindows>
+	</ExcelWorkbook>
+	<Styles>
+		<Style ss:ID="Default" ss:Name="Default"/>
+		<Style ss:ID="Result" ss:Name="Result">
+			<Font ss:Bold="1" ss:Italic="1" ss:Underline="Single"/>
+		</Style>
+		<Style ss:ID="Result2" ss:Name="Result2">
+			<Font ss:Bold="1" ss:Italic="1" ss:Underline="Single"/>
+			<NumberFormat ss:Format="Currency"/>
+		</Style>
+		<Style ss:ID="Heading" ss:Name="Heading">
+			<Font ss:Bold="1" ss:Italic="1" ss:Size="16"/>
+		</Style>
+		<Style ss:ID="Heading1" ss:Name="Heading1">
+			<Font ss:Bold="1" ss:Italic="1" ss:Size="16"/>
+		</Style>
+		<Style ss:ID="co1"/>
+		<Style ss:ID="ta1"/>
+	</Styles>
+	<ss:Worksheet ss:Name="Arkusz1">
+		<Table ss:StyleID="ta1">
+			<Column ss:Width="64.0063"/>
+			<Row ss:Height="13.4079">
+				<Cell>
+					<Data ss:Type="String">¹êœæŸ¿ñó³</Data>
+				</Cell>
+			</Row>
+		</Table>
+		<x:WorksheetOptions/>
+	</ss:Worksheet>
+</Workbook>
diff --git a/sc/qa/unit/subsequent_filters_test4.cxx b/sc/qa/unit/subsequent_filters_test4.cxx
index c8bb7e29bdf9..59cd46e57466 100644
--- a/sc/qa/unit/subsequent_filters_test4.cxx
+++ b/sc/qa/unit/subsequent_filters_test4.cxx
@@ -1041,6 +1041,15 @@ CPPUNIT_TEST_FIXTURE(ScFiltersTest4, testFormulaDependency)
     // CPPUNIT_ASSERT_EQUAL(pDoc->GetString(0,4,0), rDoc.GetString(0,5,0));
 }
 
+CPPUNIT_TEST_FIXTURE(ScFiltersTest4, testTdf63756_windows1250_encoded)
+{
+    createScDoc("xml/tdf63756.xml");
+
+    ScDocument* pDoc = getScDoc();
+
+    CPPUNIT_ASSERT_EQUAL(u"ąęśćźżńół"_ustr, pDoc->GetString(0, 0, 0));
+}
+
 CPPUNIT_TEST_FIXTURE(ScFiltersTest4, testTdf153444)
 {
     createScDoc("xml/tdf153444.xml");