Add test for CFFFontTest

DEVSIX-4987

Autoported commit.
Original commit hash: [892d2e317]

Author: Artyom Yanchevsky

itext.tests/itext.io.tests/itext/io/font/CFFFontTest.cs

@@ -0,0 +1,53 @@
+using System;
+using iText.IO.Source;
+using iText.Test;
+
+namespace iText.IO.Font {
+    public class CFFFontTest : ExtendedITextTest {
+        private static readonly String SOURCE_FOLDER = iText.Test.TestUtil.GetParentProjectDirectory(NUnit.Framework.TestContext
+            .CurrentContext.TestDirectory) + "/resources/itext/io/font/otf/CFFFontTest/";
+
+        [NUnit.Framework.Test]
+        public virtual void SeekTest() {
+            RandomAccessFileOrArray raf = new RandomAccessFileOrArray(new RandomAccessSourceFactory().CreateBestSource
+                (SOURCE_FOLDER + "NotoSansCJKjp-Bold.otf"));
+            byte[] cff = new byte[16014190];
+            try {
+                raf.Seek(283192);
+                raf.ReadFully(cff);
+            }
+            finally {
+                raf.Close();
+            }
+            CFFFont cffFont = new CFFFont(cff);
+            cffFont.Seek(0);
+            // Get int (bin 0000 0001 0000 0000  0000 0100 0000 0011)
+            NUnit.Framework.Assert.AreEqual(16778243, cffFont.GetInt());
+            cffFont.Seek(0);
+            // Gets the first short (bin 0000 0001 0000 0000)
+            NUnit.Framework.Assert.AreEqual(256, cffFont.GetShort());
+            cffFont.Seek(2);
+            // Gets the second short (bin 0000 0100 0000 0011)
+            NUnit.Framework.Assert.AreEqual(1027, cffFont.GetShort());
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void GetPositionTest() {
+            RandomAccessFileOrArray raf = new RandomAccessFileOrArray(new RandomAccessSourceFactory().CreateBestSource
+                (SOURCE_FOLDER + "NotoSansCJKjp-Bold.otf"));
+            byte[] cff = new byte[16014190];
+            try {
+                raf.Seek(283192);
+                raf.ReadFully(cff);
+            }
+            finally {
+                raf.Close();
+            }
+            CFFFont cffFont = new CFFFont(cff);
+            cffFont.Seek(0);
+            NUnit.Framework.Assert.AreEqual(0, cffFont.GetPosition());
+            cffFont.Seek(16);
+            NUnit.Framework.Assert.AreEqual(16, cffFont.GetPosition());
+        }
+    }
+}

itext.tests/itext.io.tests/resources/itext/io/font/otf/CFFFontTest/NOTICE.txt

@@ -0,0 +1,5 @@
+Please notice that the following fonts (including their different versions) are published under the following licenses:
+
+* NotoSansCJKjp-Bold - SIL Open Font License v1.1
+
+Please follow the link http://scripts.sil.org/OFL for more information. You can also observe the text of the license within current repository.

itext.tests/itext.io.tests/resources/itext/io/font/otf/CFFFontTest/NotoSansCJKjp-Bold.otf

@@ -1 +1 @@
-575737a49f3ed601a38ee90b13b7a17bb2d2baa5
+892d2e31789ae69de03eeb44f48cf3abe1d49be0