public virtual void ResourcesCategoryDictionarySetModifiedTest()
{
PdfDictionary pdfDict = new PdfDictionary();
pdfDict.Put(PdfName.ExtGState, new PdfDictionary());
PdfResources resources = new PdfResources(pdfDict);
PdfObject resourceCategoryDict = resources.GetPdfObject().Get(PdfName.ExtGState);
resourceCategoryDict.SetIndirectReference(new PdfIndirectReference(null, 1));
NUnit.Framework.Assert.IsFalse(resourceCategoryDict.IsModified());
resources.AddExtGState(new PdfExtGState());
// Check that when changing an existing resource category dictionary, the flag PdfObject.MODIFIED will be set for it
NUnit.Framework.Assert.IsTrue(resourceCategoryDict.IsModified());
}
