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Original #516 fix causes Tests to fail. Alternative to use pagesByNumber?.Count in Catalog for discovered pages. Some other unrelated tests failed due to source using single rather than two character newlines. Changed to test string itself for '\r' rather than environment is Unix

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This commit is contained in:
Fred Natzke
2022-11-30 11:10:52 +10:00
parent a7f64ec64b
commit 29adece983
4 changed files with 30 additions and 19 deletions
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24
src/UglyToad.PdfPig.Tests/Parser/Parts/FileHeaderParserTests.cs
View File

@@ -51,7 +51,7 @@
var result = FileHeaderParser.Parse(scanner.scanner, scanner.bytes, false, log);
Assert.Equal(1.2m, result.Version);
Assert.Equal(TestEnvironment.IsUnixPlatform ? 7 : 9, result.OffsetInFile);
Assert.Equal(TestEnvironment.IsSingleByteNewLine(input) ? 7 : 9, result.OffsetInFile);
}
[Fact]
@@ -67,37 +67,41 @@
[Fact]
public void HeaderPrecededByJunkNonLenientDoesNotThrow()
{
var scanner = StringBytesTestConverter.Scanner(@"one
%PDF-1.2");
var input = @"one
%PDF-1.2";
var scanner = StringBytesTestConverter.Scanner(input);
var result = FileHeaderParser.Parse(scanner.scanner, scanner.bytes, false, log);
Assert.Equal(1.2m, result.Version);
Assert.Equal(TestEnvironment.IsUnixPlatform ? 12 : 13, result.OffsetInFile);
Assert.Equal(TestEnvironment.IsSingleByteNewLine(input) ? 12 : 13, result.OffsetInFile);
}
[Fact]
public void HeaderPrecededByJunkLenientReads()
{
var scanner = StringBytesTestConverter.Scanner(@"one
%PDF-1.7");
var input = @"one
%PDF-1.7";
var scanner = StringBytesTestConverter.Scanner(input);
var result = FileHeaderParser.Parse(scanner.scanner, scanner.bytes, true, log);
Assert.Equal(1.7m, result.Version);
Assert.Equal(TestEnvironment.IsUnixPlatform ? 12 : 13, result.OffsetInFile);
Assert.Equal(TestEnvironment.IsSingleByteNewLine(input) ? 12 : 13, result.OffsetInFile);
}
[Fact]
public void HeaderPrecededByJunkDoesNotThrow()
{
var scanner = StringBytesTestConverter.Scanner(@"one two
three %PDF-1.6");
var s = @"one two
three %PDF-1.6";
var scanner = StringBytesTestConverter.Scanner(s);
var result = FileHeaderParser.Parse(scanner.scanner, scanner.bytes, true, log);
Assert.Equal(1.6m, result.Version);
Assert.Equal(TestEnvironment.IsUnixPlatform ? 14 : 15, result.OffsetInFile);
Assert.Equal(TestEnvironment.IsSingleByteNewLine(s) ? 14 : 15, result.OffsetInFile);
}
[Fact]

3
src/UglyToad.PdfPig.Tests/TestEnvironment.cs
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@@ -4,6 +4,7 @@
public static class TestEnvironment
{
public static readonly bool IsUnixPlatform = Environment.NewLine.Length == 1;
public static bool IsSingleByteNewLine(string s) => s.IndexOf('\r') < 0;
}
}

5
src/UglyToad.PdfPig/Content/Catalog.cs
View File

@@ -31,6 +31,11 @@
/// </summary>
public PageTreeNode PageTree { get; }
/// <summary>
/// Number of discovered pages.
/// </summary>
public int? NumberOfDiscoveredPages => pagesByNumber?.Count;
/// <summary>
/// Create a new <see cref="CatalogDictionary"/>.
/// </summary>

7
src/UglyToad.PdfPig/Content/Pages.cs
View File

@@ -22,10 +22,11 @@
Count = catalog.PagesDictionary.GetIntOrDefault(NameToken.Count);
var CountOfPagesByPagesTree = catalog.PageTree.Children.Count;
if (Count != CountOfPagesByPagesTree)
var numberOfDiscoveredPages = catalog.NumberOfDiscoveredPages;
if (numberOfDiscoveredPages is null == false && Count != numberOfDiscoveredPages)
{
//log.Warning($"Dicrionary Page Count {Count} different to discovered pages {CountOfPagesByPagesTree}. Using {CountOfPagesByPagesTree}.");
Count = CountOfPagesByPagesTree;
//log.Warning($"Dictionary Page Count {Count} different to discovered pages {numberOfDiscoveredPages}. Using {numberOfDiscoveredPages}.");
Count = numberOfDiscoveredPages.Value;
}
}