Add check for length of arrays and dictionaries

DEVSIX-4050

Autoported commit.
Original commit hash: [52f4ddbdb]

Author: dzmitry.kachkou

itext.tests/itext.pdfa.tests/itext/pdfa/checker/PdfA1CheckerTest.cs

@@ -40,12 +40,7 @@ source product.
 For more information, please contact iText Software Corp. at this
 address: [email protected]
 */
-using System;
-using iText.Kernel.Colors;
-using iText.Kernel.Font;
 using iText.Kernel.Pdf;
-using iText.Kernel.Pdf.Colorspace;
-using iText.Kernel.Pdf.Xobject;
 using iText.Pdfa;
 using iText.Test;
 
@@ -97,271 +92,9 @@ public virtual void CheckCatalogDictionaryWithoutEmbeddedFiles() {
         public virtual void CheckValidCatalog() {
             pdfA1Checker.CheckCatalogValidEntries(new PdfDictionary());
         }
-
         // checkCatalogValidEntries doesn't change the state of any object
         // and doesn't return any value. The only result is exception which
         // was or wasn't thrown. Successful scenario is tested here therefore
         // no assertion is provided
-        [NUnit.Framework.Test]
-        public virtual void IndependentLongStringTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                PdfString longString = new PdfString(PdfACheckerTestUtils.GetLongString(testLength));
-                // An exception should be thrown as provided String is longer then
-                // it is allowed per specification
-                pdfA1Checker.CheckPdfObject(longString);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void IndependentNormalStringTest() {
-            int testLength = pdfA1Checker.GetMaxStringLength();
-            NUnit.Framework.Assert.AreEqual(testLength, 65535);
-            PdfString longString = new PdfString(PdfACheckerTestUtils.GetLongString(testLength));
-            // An exception should not be thrown as provided String matches
-            // the limitations provided in specification
-            pdfA1Checker.CheckPdfObject(longString);
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInDictionaryTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                PdfDictionary dict = new PdfDictionary();
-                dict.Put(new PdfName("Key1"), new PdfString("value1"));
-                dict.Put(new PdfName("Key2"), new PdfString("value2"));
-                dict.Put(new PdfName("Key3"), new PdfString(PdfACheckerTestUtils.GetLongString(testLength)));
-                // An exception should be thrown as value for 'key3' is longer then
-                // it is allowed per specification
-                pdfA1Checker.CheckPdfObject(dict);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void NormalStringInDictionaryTest() {
-            int testLength = pdfA1Checker.GetMaxStringLength();
-            PdfDictionary dict = new PdfDictionary();
-            dict.Put(new PdfName("Key1"), new PdfString("value1"));
-            dict.Put(new PdfName("Key2"), new PdfString("value2"));
-            dict.Put(new PdfName("Key3"), new PdfString(PdfACheckerTestUtils.GetLongString(testLength)));
-            // An exception should not be thrown as all values match the
-            // limitations provided in specification
-            pdfA1Checker.CheckPdfObject(dict);
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInArrayTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                PdfArray array = new PdfArray();
-                array.Add(new PdfString("value1"));
-                array.Add(new PdfString("value2"));
-                array.Add(new PdfString(PdfACheckerTestUtils.GetLongString(testLength)));
-                // An exception should be thrown as 3rd element is longer then
-                // it is allowed per specification
-                pdfA1Checker.CheckPdfObject(array);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void NormalStringInArrayTest() {
-            int testLength = pdfA1Checker.GetMaxStringLength();
-            NUnit.Framework.Assert.AreEqual(testLength, 65535);
-            PdfArray array = new PdfArray();
-            array.Add(new PdfString("value1"));
-            array.Add(new PdfString("value2"));
-            array.Add(new PdfString(PdfACheckerTestUtils.GetLongString(testLength)));
-            // An exception should not be thrown as all elements match the
-            // limitations provided in specification
-            pdfA1Checker.CheckPdfObject(array);
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInContentStreamTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                String newContentString = PdfACheckerTestUtils.GetStreamWithLongString(testLength);
-                byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-                PdfStream stream = new PdfStream(newContent);
-                // An exception should be thrown as content stream has a string which
-                // is longer then it is allowed per specification
-                pdfA1Checker.CheckContentStream(stream);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void ContentStreamIsNotCheckedForNotModifiedObjectTest() {
-            pdfA1Checker.SetFullCheckMode(false);
-            int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-            int testLength = maxAllowedLength + 1;
-            NUnit.Framework.Assert.AreEqual(testLength, 65536);
-            String newContentString = PdfACheckerTestUtils.GetStreamWithLongString(testLength);
-            byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-            PdfStream stream = new PdfStream(newContent);
-            // An exception should not be thrown as content stream considered as not modified
-            // and won't be tested
-            pdfA1Checker.CheckContentStream(stream);
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void NormalStringInContentStreamTest() {
-            int testLength = pdfA1Checker.GetMaxStringLength();
-            NUnit.Framework.Assert.AreEqual(testLength, 65535);
-            String newContentString = PdfACheckerTestUtils.GetStreamWithLongString(testLength);
-            byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-            PdfStream stream = new PdfStream(newContent);
-            // An exception should be thrown as  all strings inside content stream
-            // are not longer then it is allowed per specification
-            pdfA1Checker.CheckContentStream(stream);
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInArrayInContentStreamTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                String newContentString = PdfACheckerTestUtils.GetStreamWithLongStringInArray(testLength);
-                byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-                PdfStream stream = new PdfStream(newContent);
-                // An exception should be thrown as content stream has a string which
-                // is longer then it is allowed per specification
-                pdfA1Checker.CheckContentStream(stream);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInDictionaryInContentStreamTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                String newContentString = PdfACheckerTestUtils.GetStreamWithLongStringInDictionary(testLength);
-                byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-                PdfStream stream = new PdfStream(newContent);
-                // An exception should be thrown as content stream has a string which
-                // is longer then it is allowed per specification
-                pdfA1Checker.CheckContentStream(stream);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInComplexStructureTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                PdfDictionary dict1 = new PdfDictionary();
-                dict1.Put(new PdfName("Key1"), new PdfString("value1"));
-                dict1.Put(new PdfName("Key2"), new PdfString("value2"));
-                dict1.Put(new PdfName("Key3"), new PdfString(PdfACheckerTestUtils.GetLongString(testLength)));
-                PdfArray array = new PdfArray();
-                array.Add(new PdfString("value3"));
-                array.Add(new PdfString("value4"));
-                array.Add(dict1);
-                PdfDictionary dict = new PdfDictionary();
-                dict.Put(new PdfName("Key4"), new PdfString("value5"));
-                dict.Put(new PdfName("Key5"), new PdfString("value6"));
-                dict.Put(new PdfName("Key6"), array);
-                // An exception should be thrown as there is a string element which
-                // doesn't match the limitations provided in specification
-                pdfA1Checker.CheckPdfObject(array);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInPdfFormXObjectTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                String newContentString = PdfACheckerTestUtils.GetStreamWithLongString(testLength);
-                byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-                PdfStream stream = new PdfStream(newContent);
-                PdfXObject xobject = new PdfFormXObject(stream);
-                // An exception should be thrown as form xobject content stream has a string which
-                // is longer then it is allowed per specification
-                pdfA1Checker.CheckFormXObject(xobject.GetPdfObject());
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInTilingPatternTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                String newContentString = PdfACheckerTestUtils.GetStreamWithLongString(testLength);
-                byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-                PdfPattern pattern = new PdfPattern.Tiling(200, 200);
-                ((PdfStream)pattern.GetPdfObject()).SetData(newContent);
-                Color color = new PatternColor(pattern);
-                // An exception should be thrown as tiling pattern's content stream has a string which
-                // is longer then it is allowed per specification
-                pdfA1Checker.CheckColor(color, new PdfDictionary(), true, null);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInShadingPatternTest() {
-            int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-            int testLength = maxAllowedLength + 1;
-            NUnit.Framework.Assert.AreEqual(testLength, 65536);
-            String newContentString = PdfACheckerTestUtils.GetStreamWithLongString(testLength);
-            byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-            PdfStream stream = new PdfStream(newContent);
-            PdfPattern pattern = new PdfPattern.Shading(stream);
-            // An exception should not be thrown as shading pattern doesn't have
-            // content stream to validate
-            pdfA1Checker.CheckPdfObject(pattern.GetPdfObject());
-        }
-
-        [NUnit.Framework.Test]
-        public virtual void LongStringInType3FontTest() {
-            NUnit.Framework.Assert.That(() =>  {
-                int maxAllowedLength = pdfA1Checker.GetMaxStringLength();
-                int testLength = maxAllowedLength + 1;
-                NUnit.Framework.Assert.AreEqual(testLength, 65536);
-                String newContentString = PdfACheckerTestUtils.GetStreamWithLongString(testLength);
-                byte[] newContent = newContentString.GetBytes(System.Text.Encoding.UTF8);
-                PdfFont font = PdfFontFactory.CreateType3Font(null, true);
-                PdfDictionary charProcs = new PdfDictionary();
-                charProcs.Put(PdfName.A, new PdfStream(newContent));
-                PdfDictionary dictionary = font.GetPdfObject();
-                dictionary.Put(PdfName.Subtype, PdfName.Type3);
-                dictionary.Put(PdfName.CharProcs, charProcs);
-                // An exception should be thrown as content stream of type3 font has a string which
-                // is longer then it is allowed per specification
-                pdfA1Checker.CheckFont(font);
-            }
-            , NUnit.Framework.Throws.InstanceOf<PdfAConformanceException>().With.Message.EqualTo(PdfAConformanceException.PDF_STRING_IS_TOO_LONG))
-;
-        }
     }
 }