public void CanResolveSectionNames()
{
var reader = new ArrayStructReaderWriter(_packaged.RawData);
var sections = reader.ReadArray <SectionHeader>(3);
var sectionNames = sections.Select(sec => sec.NameString).ToArray();
Assert.Contains(".text\0\0\0", sectionNames);
Assert.Contains(".idata\0\0", sectionNames);
Assert.Contains(".reloc\0\0", sectionNames);
}
public void CanResolveCodeBytes()
{
var reader = new ArrayStructReaderWriter(_packaged.RawData);
var sections = reader.ReadArray <SectionHeader>(3);
var codeSection = sections.First(sec => sec.NameString.StartsWith(".text"));
var codeRaw = _packaged.RawData.AsSpan()
.Slice((int)(codeSection.PointerToRawData - FileOffsetAtSectionsHeader), (int)codeSection.VirtualSize)
.ToArray();
Assert.AreEqual(CodeSectionSize, codeSection.VirtualSize, "Bad size of code section (header corrupted?)");
Assert.That(codeRaw, Is.All.EqualTo(CodeSectionContentByte));
}
public void SectionsDoNotOverlap()
{
var reader = new ArrayStructReaderWriter(_packaged.RawData);
var sections = reader.ReadArray <SectionHeader>(2);
var sectionVirtualRanges = sections.Select(sec => (start: sec.VirtualAddress, end: sec.VirtualAddress + sec.VirtualSize)).ToArray();
var sectionOffsetRanges = sections.Select(sec => (start: sec.PointerToRawData, end: sec.PointerToRawData + sec.SizeOfRawData)).ToArray();
foreach (var section1 in sectionVirtualRanges)
{
foreach (var section2 in sectionVirtualRanges)
{
if (section1 == section2)
{
continue;
}
Assert.False(
section1.start <section2.end && section1.end> section2.start,
$"Overlap: {section1.start}-{section1.end} overlaps with {section2.start}-{section2.end}"
);
}
}
foreach (var section1 in sectionOffsetRanges)
{
foreach (var section2 in sectionOffsetRanges)
{
if (section1 == section2)
{
continue;
}
Assert.False(
section1.start <section2.end && section1.end> section2.start,
$"Overlap (Offsets): {section1.start}-{section1.end} overlaps with {section2.start}-{section2.end}"
);
}
}
}
