Initial commit of the ClosedXML library

Establishes the foundational structure, core Excel functionality, and tooling. - Implements base components for cells, ranges, columns, and rows. - Integrates a custom calculation engine with a wide range of Excel functions. - Adds comprehensive support for styling, conditional formatting, data validation, comments, pictures, and charts. - Configures build setup, project metadata (NuGet), and developer guidelines. - Includes editor and Git attributes for consistent code style and line endings.
2026-06-23 11:02:53 -05:00
parent 28bc05cf54
commit 2cd6df6481
1092 changed files with 97270 additions and 408 deletions
@@ -0,0 +1,136 @@
+using ClosedXML.Excel;
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ClosedXML_Tests.Excel.Styles
+{
+    [TestFixture]
+    public class StyleChangeTests
+    {
+        [Test]
+        public void ChangeFontColorDoesNotAffectOtherProperties()
+        {
+            using (var wb = new XLWorkbook())
+            {
+                // Arrange
+                var ws = wb.AddWorksheet("Sheet1");
+                var a1 = ws.Cell("A1");
+                var a2 = ws.Cell("A2");
+                var b1 = ws.Cell("B1");
+                var b2 = ws.Cell("B2");
+
+                ws.Range("A1:B2").Value = "Test";
+
+                a1.Style.Fill.BackgroundColor = XLColor.Red;
+                a2.Style.Fill.BackgroundColor = XLColor.Green;
+                b1.Style.Fill.BackgroundColor = XLColor.Blue;
+                b2.Style.Fill.BackgroundColor = XLColor.Pink;
+
+                a1.Style.Font.FontName = "Arial";
+                a2.Style.Font.FontName = "Times New Roman";
+                b1.Style.Font.FontName = "Calibri";
+                b2.Style.Font.FontName = "Cambria";
+
+                // Act
+                ws.Range("A1:B2").Style.Font.FontColor = XLColor.PowderBlue;
+
+                //Assert
+                Assert.AreEqual(XLColor.Red,    ws.Cell("A1").Style.Fill.BackgroundColor);
+                Assert.AreEqual(XLColor.Green,  ws.Cell("A2").Style.Fill.BackgroundColor);
+                Assert.AreEqual(XLColor.Blue,   ws.Cell("B1").Style.Fill.BackgroundColor);
+                Assert.AreEqual(XLColor.Pink,   ws.Cell("B2").Style.Fill.BackgroundColor);
+                
+                Assert.AreEqual("Arial",            ws.Cell("A1").Style.Font.FontName);
+                Assert.AreEqual("Times New Roman",  ws.Cell("A2").Style.Font.FontName);
+                Assert.AreEqual("Calibri",          ws.Cell("B1").Style.Font.FontName);
+                Assert.AreEqual("Cambria",          ws.Cell("B2").Style.Font.FontName);
+
+                Assert.AreEqual(XLColor.PowderBlue, ws.Cell("A1").Style.Font.FontColor);
+                Assert.AreEqual(XLColor.PowderBlue, ws.Cell("A2").Style.Font.FontColor);
+                Assert.AreEqual(XLColor.PowderBlue, ws.Cell("B1").Style.Font.FontColor);
+                Assert.AreEqual(XLColor.PowderBlue, ws.Cell("B2").Style.Font.FontColor);
+            }
+        }
+
+
+        [Test]
+        public void ChangeDetachedStyleAlignment()
+        {
+            var style = XLStyle.Default;
+
+            style.Alignment.Horizontal = XLAlignmentHorizontalValues.Justify;
+
+            Assert.AreEqual(XLAlignmentHorizontalValues.Justify, style.Alignment.Horizontal);
+        }
+
+        [Test]
+        public void ChangeDetachedStyleBorder()
+        {
+            var style = XLStyle.Default;
+
+            style.Border.DiagonalBorder = XLBorderStyleValues.Double;
+
+            Assert.AreEqual(XLBorderStyleValues.Double, style.Border.DiagonalBorder);
+        }
+
+        [Test]
+        public void ChangeDetachedStyleFill()
+        {
+            var style = XLStyle.Default;
+
+            style.Fill.BackgroundColor = XLColor.Red;
+
+            Assert.AreEqual(XLColor.Red, style.Fill.BackgroundColor);
+        }
+
+
+        [Test]
+        public void ChangeDetachedStyleFont()
+        {
+            var style = XLStyle.Default;
+
+            style.Font.FontSize = 50;
+
+            Assert.AreEqual(50, style.Font.FontSize);
+        }
+
+
+        [Test]
+        public void ChangeDetachedStyleNumberFormat()
+        {
+            var style = XLStyle.Default;
+
+            style.NumberFormat.Format = "YYYY";
+
+            Assert.AreEqual("YYYY", style.NumberFormat.Format);
+        }
+
+        [Test]
+        public void ChangeDetachedStyleProtection()
+        {
+            var style = XLStyle.Default;
+
+            style.Protection.Hidden = true;
+
+            Assert.AreEqual(true, style.Protection.Hidden);
+        }
+
+        [Test]
+        public void ChangeAttachedStyleAlignment()
+        {
+            using (var wb = new XLWorkbook())
+            {
+                var ws = wb.AddWorksheet("Sheet1");
+                var a1 = ws.Cell("A1");
+
+                a1.Style.Alignment.Horizontal = XLAlignmentHorizontalValues.Justify;
+
+                Assert.AreEqual(XLAlignmentHorizontalValues.Justify, a1.Style.Alignment.Horizontal);
+            }
+        }
+    }
+}