public void OffsetNotXrefThrows()
{
var input = GetReader("12 0 obj <<>> endobj xref");
Action action = () => CrossReferenceTableParser.Parse(input, 4, false);
Assert.Throws <PdfDocumentFormatException>(action);
}
public void OffsetXButNotXrefThrows()
{
var input = GetReader(@"xtable
trailer");
Action action = () => CrossReferenceTableParser.Parse(input, 0, false);
Assert.Throws <PdfDocumentFormatException>(action);
}
public void EmptyTableReturnsEmpty()
{
var input = GetReader(@"xref
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, false);
Assert.Empty(result.ObjectOffsets);
}
public void InvalidSubsectionDefinitionNotLenientThrows()
{
var input = GetReader(@"xref
ab 12
trailer
<<>>");
Action action = () => CrossReferenceTableParser.Parse(input, 0, false);
Assert.Throws <PdfDocumentFormatException>(action);
}
public void InvalidSubsectionDefinitionLenientSkips()
{
var input = GetReader(@"xref
ab 12
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, true);
Assert.Empty(result.ObjectOffsets);
}
public void EntryWithInvalidFormatThrows()
{
var input = GetReader(@"xref
0 22
0000000000 65535 f
0000aa0010 00000 n
trailer
<<>>");
Action action = () => CrossReferenceTableParser.Parse(input, 0, false);
Assert.Throws <PdfDocumentFormatException>(action);
}
public void ShortLineInTableReturnsThrows()
{
var input = GetReader(@"xref
15 2
019 n
0000000250 00032 n
trailer
<<>>");
Action action = () => CrossReferenceTableParser.Parse(input, 0, false);
Assert.Throws <PdfDocumentFormatException>(action);
}
public void SkipsFirstFreeLine()
{
var input = GetReader(@"xref
0 1
0000000000 65535 f
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, false);
Assert.Empty(result.ObjectOffsets);
Assert.Equal(0, result.Offset);
Assert.Equal(CrossReferenceType.Table, result.Type);
}
public void SkipsBlankLinesPrecedingTrailer()
{
var input = GetReader(@"xref
15 2
0000000190 00000 n
0000000250 00032 n
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, false);
Assert.Equal(2, result.ObjectOffsets.Count);
}
public void EntryPointingAtOffsetInTableDoesNotThrow()
{
var input = GetReader(@"xref
0 2
0000000000 65535 f
0000000010 00000 n
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, false);
var offset = Assert.Single(result.ObjectOffsets);
Assert.Equal(10, offset.Value);
}
public void ParseNewDefaultTable()
{
var input = StringBytesTestConverter.Scanner(@"one xref
0 6
0000000003 65535 f
0000000090 00000 n
0000000081 00000 n
0000000000 00007 f
0000000331 00000 n
0000000409 00000 n
trailer
<< >>");
var result = CrossReferenceTableParser.Parse(input, 4, false);
Assert.Equal(4, result.ObjectOffsets.Count);
}
public void ReadsEntriesFromMultipleSubsections()
{
var input = GetReader(@"xref
0 4
0000000000 65535 f
0000000100 00000 n
0000000200 00005 n
0000000230 00005 n
15 2
0000000190 00007 n
0000000250 00032 n
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, false);
Assert.Equal(5, result.ObjectOffsets.Count);
var results = result.ObjectOffsets.Select(x => new { x.Key.ObjectNumber, x.Key.Generation, x.Value }).ToList();
Assert.Equal(100, results[0].Value);
Assert.Equal(1, results[0].ObjectNumber);
Assert.Equal(0, results[0].Generation);
Assert.Equal(200, results[1].Value);
Assert.Equal(2, results[1].ObjectNumber);
Assert.Equal(5, results[1].Generation);
Assert.Equal(230, results[2].Value);
Assert.Equal(3, results[2].ObjectNumber);
Assert.Equal(5, results[2].Generation);
Assert.Equal(190, results[3].Value);
Assert.Equal(15, results[3].ObjectNumber);
Assert.Equal(7, results[3].Generation);
Assert.Equal(250, results[4].Value);
Assert.Equal(16, results[4].ObjectNumber);
Assert.Equal(32, results[4].Generation);
}
public void ReadsEntriesOffsetFirstNumber()
{
var input = GetReader(@"xref
15 2
0000000190 00000 n
0000000250 00032 n
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, false);
Assert.Equal(2, result.ObjectOffsets.Count);
var results = result.ObjectOffsets.Select(x => new { x.Key.ObjectNumber, x.Key.Generation, x.Value }).ToList();
Assert.Equal(190, results[0].Value);
Assert.Equal(15, results[0].ObjectNumber);
Assert.Equal(0, results[0].Generation);
Assert.Equal(250, results[1].Value);
Assert.Equal(16, results[1].ObjectNumber);
Assert.Equal(32, results[1].Generation);
}
public void ReadsEntries()
{
var input = GetReader(@"xref
0 3
0000000000 65535 f
0000000100 00000 n
0000000200 00005 n
trailer
<<>>");
var result = CrossReferenceTableParser.Parse(input, 0, false);
Assert.Equal(2, result.ObjectOffsets.Count);
var results = result.ObjectOffsets.Select(x => new { x.Key.ObjectNumber, x.Key.Generation, x.Value }).ToList();
Assert.Equal(100, results[0].Value);
Assert.Equal(1, results[0].ObjectNumber);
Assert.Equal(0, results[0].Generation);
Assert.Equal(200, results[1].Value);
Assert.Equal(2, results[1].ObjectNumber);
Assert.Equal(5, results[1].Generation);
}
