Text elements wrapping support

DEVSIX-1192

Autoported commit.
Original commit hash: [331d41b553]

Author: LodrKumquat

itext.tests/itext.layout.tests/itext/layout/renderer/TargetCounterHandlerTest.cs

@@ -28,6 +28,7 @@ You should have received a copy of the GNU Affero General Public License
 using iText.Layout.Element;
 using iText.Layout.Layout;
 using iText.Layout.Properties;
+using iText.Layout.Splitting;
 using iText.Test;
 
 namespace iText.Layout.Renderer {
@@ -54,6 +55,7 @@ public virtual void TextRendererAddByIDTest() {
             textRenderer.SetProperty(Property.WORD_SPACING, 20F);
             textRenderer.SetProperty(Property.FONT, PdfFontFactory.CreateFont(StandardFonts.HELVETICA));
             textRenderer.SetProperty(Property.FONT_SIZE, new UnitValue(UnitValue.POINT, 20));
+            textRenderer.SetProperty(Property.SPLIT_CHARACTERS, new DefaultSplitCharacters());
             textRenderer.SetParent(documentRenderer);
             String id = "id7";
             textRenderer.SetProperty(Property.ID, id);

itext.tests/itext.layout.tests/itext/layout/renderer/TextRendererIntegrationTest.cs

@@ -281,7 +281,7 @@ public virtual void OneThaiWordSplitAcrossMultipleRenderersGetIndexAndLayoutResu
                     specialScriptLayoutResults.Put(i, new LayoutResult(LayoutResult.FULL, layoutArea, null, null));
                 }
             }
-            LineRenderer.LastFittingChildRendererData lastFittingChildRendererData = lineRenderer.GetIndexAndLayoutResultOfTheLastRendererToRemainOnTheLine
+            LineRenderer.LastFittingChildRendererData lastFittingChildRendererData = lineRenderer.GetIndexAndLayoutResultOfTheLastTextRendererContainingSpecialScripts
                 (THAI_WORD.Length + 1, specialScriptLayoutResults, false, new List<IRenderer>(), true);
             NUnit.Framework.Assert.AreEqual(5, lastFittingChildRendererData.childIndex);
             NUnit.Framework.Assert.AreEqual(LayoutResult.NOTHING, lastFittingChildRendererData.childLayoutResult.GetStatus
@@ -311,7 +311,7 @@ public virtual void MultipleFloatsFollowedByUnfittingThaiRenderer() {
             LayoutArea layoutArea = new LayoutArea(1, new Rectangle(0, 0, 0, 100));
             specialScriptLayoutResults.Put(indexOfThaiRenderer, new LayoutResult(LayoutResult.NOTHING, layoutArea, null
                 , null));
-            LineRenderer.LastFittingChildRendererData lastFittingChildRendererData = lineRenderer.GetIndexAndLayoutResultOfTheLastRendererToRemainOnTheLine
+            LineRenderer.LastFittingChildRendererData lastFittingChildRendererData = lineRenderer.GetIndexAndLayoutResultOfTheLastTextRendererContainingSpecialScripts
                 (indexOfThaiRenderer, specialScriptLayoutResults, false, new List<IRenderer>(), true);
             NUnit.Framework.Assert.AreEqual(indexOfThaiRenderer, lastFittingChildRendererData.childIndex);
             NUnit.Framework.Assert.AreEqual(LayoutResult.NOTHING, lastFittingChildRendererData.childLayoutResult.GetStatus
@@ -348,7 +348,7 @@ public virtual void TrailingRightSideSpacesGetIndexAndLayoutResult() {
                     specialScriptLayoutResults.Put(i, new LayoutResult(LayoutResult.FULL, layoutArea, null, null));
                 }
             }
-            LineRenderer.LastFittingChildRendererData lastFittingChildRendererData = lineRenderer.GetIndexAndLayoutResultOfTheLastRendererToRemainOnTheLine
+            LineRenderer.LastFittingChildRendererData lastFittingChildRendererData = lineRenderer.GetIndexAndLayoutResultOfTheLastTextRendererContainingSpecialScripts
                 (THAI_WORD.Length - 1, specialScriptLayoutResults, false, new List<IRenderer>(), true);
             NUnit.Framework.Assert.AreEqual(THAI_WORD.Length - 1, lastFittingChildRendererData.childIndex);
             NUnit.Framework.Assert.AreEqual(specialScriptLayoutResults.Get(THAI_WORD.Length - 1), lastFittingChildRendererData
@@ -760,8 +760,9 @@ public virtual void UnfittingSingleTextRendererContainingSpecialScripts() {
         public virtual void OverflowXSingleWordSingleRenderer() {
             PdfDocument pdfDocument = new PdfDocument(new PdfWriter(new MemoryStream()));
             Document document = new Document(pdfDocument);
-            TextRenderer textRenderer = new TextRenderer(new iText.Layout.Element.Text(THAI_WORD));
+            TextRenderer textRenderer = new TextRenderer(new iText.Layout.Element.Text(""));
             textRenderer.SetProperty(Property.FONT, PdfFontFactory.CreateFont(THAI_FONT, PdfEncodings.IDENTITY_H));
+            textRenderer.SetText(THAI_WORD);
             textRenderer.SetSpecialScriptsWordBreakPoints(new List<int>(JavaUtil.ArraysAsList(5)));
             LineRenderer lineRenderer = new LineRenderer();
             lineRenderer.SetParent(document.GetRenderer());