public void DocumentShouldBeOpened()
        {
            // Arrange / act
            var doc = new OfficeDocument(this.sourceFile);

            // Assert
            Assert.IsNotNull(doc.UnderlyingPackage, "Package was not opened");
        }
        public void DocumentShouldBeSaved()
        {
            // Arrange
            var doc = new OfficeDocument(this.sourceFile);

            // Act
            doc.Save(this.destFile);

            // Assert
            Assert.IsTrue(File.Exists(this.destFile), "File was not saved");
        }
        public void PartShouldBeCreated()
        {
            // Arrange
            var doc = new OfficeDocument(this.sourceFile);

            // Act
            var part = doc.CreateCustomPart(XmlParts.RibbonX12);

            // Assert
            Assert.IsNotNull(part, "Part was not inserted");
        }