Add unit test for DWARF2

Add ReadDwarf_version2_should_be_successfull test for reading DWARF2 file.
Add OpenAndLoadElf to open ELF file from absolute path.
Add test file TestDwarf2.elf.

Author: dupont-al-videotron-ca

src/LibObjectFile.Tests/Dwarf/DwarfTests.cs

@@ -14,6 +14,21 @@ namespace LibObjectFile.Tests.Dwarf;
 [TestClass]
 public class DwarfTests : ElfTestBase
 {
+    [TestMethod]
+    public void ReadDwarf_version2_should_be_successfull()
+    {
+        const string ResourceName = @".\TestFiles\TestDwarf2.elf";
+
+        ElfFile elf = OpenAndLoadElf(ResourceName);
+        var elfContext = new DwarfElfContext(elf);
+        var inputContext = new DwarfReaderContext(elfContext);
+        inputContext.DebugLinePrinter = Console.Out;
+        var dwarf = DwarfFile.Read(inputContext);
+
+        Assert.IsNotNull(dwarf);
+    }
+
+
     [DataTestMethod]
     [DataRow(0UL)]
     [DataRow(1UL)]
@@ -301,7 +316,7 @@ public void TestDebugInfoSmall()
             DebugAbbrevStream = new MemoryStream(),
             DebugLineStream = new MemoryStream(),
             DebugInfoStream = new MemoryStream(),
-            DebugStringStream =  new MemoryStream(),
+            DebugStringStream = new MemoryStream(),
             DebugAddressRangeStream = new MemoryStream()
         };
         dwarf.Write(outputContext);

src/LibObjectFile.Tests/Elf/ElfTestBase.cs

@@ -71,6 +71,12 @@ protected async Task LoadAndVerifyElf(string name)
         ByteArrayAssert.AreEqual(originalBinary, newBinary, "Invalid binary diff between write -> read -> write");
     }
 
+    protected ElfFile OpenAndLoadElf(string absolutePath)
+    {
+        using var stream = File.OpenRead(absolutePath);
+        return ElfFile.Read(stream);
+    }
+
     protected ElfFile LoadElf(string name)
     {
         var file = GetFile(name);

src/LibObjectFile.Tests/LibObjectFile.Tests.csproj

@@ -101,4 +101,10 @@
     <Folder Include="Verified\" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="D:\ALAIN\GitHub\LibObjectFile\src\LibObjectFile.Tests\TestFiles\TestDwarf2.elf">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>