public void FromReader_ThrowsOnInvalidHeader(string header)
{
// Arrange
// Act
// Assert
using (var pdfStream = BuildTestStream(header))
{
using (var reader = new PdfReader(pdfStream))
{
Assert.Throws <FormatException>(() => PdfVersion.FromReader(reader));
}
}
}
public void FromReader_ReadsPdfVersion()
{
// Arrange
PdfVersion version;
// Act
using (var pdfStream = BuildTestStream("%PDF-1.6\r\n"))
{
using (var reader = new PdfReader(pdfStream))
{
version = PdfVersion.FromReader(reader);
}
}
// Assert
Assert.NotNull(version);
Assert.Equal(1, version.Major);
Assert.Equal(6, version.Minor);
}
public void FromReader_ReadsPdfVersionAtBeginning()
{
// Arrange
PdfVersion version;
// Act
using (var pdfStream = BuildTestStream("%PDF-1.4\r\nSome Content\r\n%PDF-1.6\r\n"))
{
using (var reader = new PdfReader(pdfStream))
{
reader.Position = 22;
version = PdfVersion.FromReader(reader);
}
}
// Assert
Assert.NotNull(version);
Assert.Equal(1, version.Major);
Assert.Equal(4, version.Minor);
}