Create an automated test for rectangles drawn with zero-width line

The test contans wrong cmp file. It must be replaced after the bug is fixed.

DEVSIX-7136

Autoported commit.
Original commit hash: [71b02a0]

Author: vitali-pr

itext.tests/itext.cleanup.tests/itext/pdfcleanup/RectangleTest.cs

@@ -0,0 +1,49 @@
+using System;
+using System.IO;
+using iText.Kernel.Colors;
+using iText.Kernel.Geom;
+using iText.Kernel.Pdf;
+using iText.Kernel.Pdf.Canvas;
+using iText.Kernel.Utils;
+using iText.Test;
+
+namespace iText.PdfCleanup {
+    [NUnit.Framework.Category("Integration test")]
+    public class RectangleTest : ExtendedITextTest {
+        private static readonly String SOURCE_FOLDER = iText.Test.TestUtil.GetParentProjectDirectory(NUnit.Framework.TestContext
+            .CurrentContext.TestDirectory) + "/resources/itext/pdfcleanup/RectangleTest/";
+
+        private static readonly String DESTINATION_FOLDER = NUnit.Framework.TestContext.CurrentContext.TestDirectory
+             + "/test/itext/pdfcleanup/RectangleTest/";
+
+        [NUnit.Framework.OneTimeSetUp]
+        public static void BeforeClass() {
+            CreateDestinationFolder(DESTINATION_FOLDER);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ZeroWidthLineTest() {
+            // TODO DEVSIX-7136 Rectangles drawn with zero-width line disappear on sweeping
+            String outPdf = DESTINATION_FOLDER + "zeroWidthLine.pdf";
+            String cmpPdf = SOURCE_FOLDER + "cmp_zeroWidthLine.pdf";
+            MemoryStream outDocBaos = new MemoryStream();
+            using (PdfDocument pdfDocument = new PdfDocument(new PdfWriter(outDocBaos))) {
+                PdfPage page = pdfDocument.AddNewPage();
+                PdfCanvas canvas = new PdfCanvas(page);
+                canvas.SetStrokeColor(DeviceRgb.BLUE).SetLineWidth(0).Rectangle(new Rectangle(350, 400, 100, 100)).Stroke(
+                    );
+                canvas.SetStrokeColor(DeviceRgb.RED).SetLineWidth(0).MoveTo(100, 100).LineTo(100, 200).LineTo(200, 200).LineTo
+                    (200, 100).ClosePath().Stroke();
+            }
+            PdfDocument pdfDocument_1 = new PdfDocument(new PdfReader(new MemoryStream(outDocBaos.ToArray())), new PdfWriter
+                (outPdf));
+            iText.PdfCleanup.PdfCleanUpTool workingTool = new iText.PdfCleanup.PdfCleanUpTool(pdfDocument_1);
+            Rectangle area = new Rectangle(0, 50, 150, 150);
+            workingTool.AddCleanupLocation(new iText.PdfCleanup.PdfCleanUpLocation(1, area, ColorConstants.RED));
+            workingTool.CleanUp();
+            pdfDocument_1.Close();
+            NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, DESTINATION_FOLDER, "diff_"
+                ));
+        }
+    }
+}

itext.tests/itext.cleanup.tests/resources/itext/pdfcleanup/RectangleTest/cmp_zeroWidthLine.pdf

@@ -1 +1 @@
-a4dca4b65397e057b6074bafc1364fbccd27a4c5
+71b02a0eff454c35950520b27be77c57f9096e15