Improve coverage for kernel/font/PdfType0Font

DEVSIX-4516

Autoported commit.
Original commit hash: [50ebb1ad0]

Author: Kate Ivanova

itext.tests/itext.kernel.tests/itext/kernel/font/PdfType0FontTest.cs

@@ -0,0 +1,55 @@
+using System;
+using iText.IO.Font;
+using iText.Kernel;
+using iText.Kernel.Pdf;
+using iText.Test;
+
+namespace iText.Kernel.Font {
+    public class PdfType0FontTest : ExtendedITextTest {
+        public static readonly String sourceFolder = iText.Test.TestUtil.GetParentProjectDirectory(NUnit.Framework.TestContext
+            .CurrentContext.TestDirectory) + "/resources/itext/kernel/font/PdfType0FontTest/";
+
+        [NUnit.Framework.Test]
+        public virtual void TrueTypeFontAndCmapConstructorTest() {
+            TrueTypeFont ttf = new TrueTypeFont(sourceFolder + "NotoSerif-Regular_v1.7.ttf");
+            PdfType0Font type0Font = new PdfType0Font(ttf, PdfEncodings.IDENTITY_H);
+            CMapEncoding cmap = type0Font.GetCmap();
+            NUnit.Framework.Assert.IsNotNull(cmap);
+            NUnit.Framework.Assert.IsTrue(cmap.IsDirect());
+            NUnit.Framework.Assert.IsFalse(cmap.HasUniMap());
+            NUnit.Framework.Assert.IsNull(cmap.GetUniMapName());
+            NUnit.Framework.Assert.AreEqual("Adobe", cmap.GetRegistry());
+            NUnit.Framework.Assert.AreEqual("Identity", cmap.GetOrdering());
+            NUnit.Framework.Assert.AreEqual(0, cmap.GetSupplement());
+            NUnit.Framework.Assert.AreEqual(PdfEncodings.IDENTITY_H, cmap.GetCmapName());
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void UnsupportedCmapTest() {
+            NUnit.Framework.Assert.That(() =>  {
+                TrueTypeFont ttf = new TrueTypeFont(sourceFolder + "NotoSerif-Regular_v1.7.ttf");
+                PdfType0Font type0Font = new PdfType0Font(ttf, PdfEncodings.WINANSI);
+            }
+            , NUnit.Framework.Throws.InstanceOf<PdfException>().With.Message.EqualTo(PdfException.OnlyIdentityCMapsSupportsWithTrueType))
+;
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void DictionaryConstructorTest() {
+            String filePath = sourceFolder + "documentWithType0Noto.pdf";
+            PdfDocument pdfDocument = new PdfDocument(new PdfReader(filePath));
+            PdfDictionary fontDict = pdfDocument.GetPage(1).GetResources().GetResource(PdfName.Font).GetAsDictionary(new 
+                PdfName("F1"));
+            PdfType0Font type0Font = new PdfType0Font(fontDict);
+            CMapEncoding cmap = type0Font.GetCmap();
+            NUnit.Framework.Assert.IsNotNull(cmap);
+            NUnit.Framework.Assert.IsTrue(cmap.IsDirect());
+            NUnit.Framework.Assert.IsFalse(cmap.HasUniMap());
+            NUnit.Framework.Assert.IsNull(cmap.GetUniMapName());
+            NUnit.Framework.Assert.AreEqual("Adobe", cmap.GetRegistry());
+            NUnit.Framework.Assert.AreEqual("Identity", cmap.GetOrdering());
+            NUnit.Framework.Assert.AreEqual(0, cmap.GetSupplement());
+            NUnit.Framework.Assert.AreEqual(PdfEncodings.IDENTITY_H, cmap.GetCmapName());
+        }
+    }
+}

itext.tests/itext.kernel.tests/resources/itext/kernel/font/PdfType0FontTest/NotoSerif-Regular_v1.7.ttf

@@ -1 +1 @@
-3eca7b5e528cb8d549408e03d7ed0b6608567803
+50ebb1ad0fb8ce3311789ce40e505d94ca547ac9