public void OpenStream_Errors(bool canRead, bool canSeek)
{
var outputs = new TestCompilationOutputs(
openAssemblyStream: () => new TestStream(canRead, canSeek, canWrite: true),
openPdbStream: () => new TestStream(canRead, canSeek, canWrite: true));
Assert.Throws <InvalidOperationException>(() => outputs.OpenAssemblyMetadata(prefetch: false));
Assert.Throws <InvalidOperationException>(() => outputs.OpenPdb());
}
public void AssemblyAndPdb(DebugInformationFormat format)
{
var source = @"class C { public static void Main() { int x = 1; } }";
var compilation = CSharpTestBase.CreateCompilationWithMscorlib40AndSystemCore(source, options: TestOptions.DebugDll, assemblyName: "lib");
var pdbStream = (format != DebugInformationFormat.Embedded) ? new MemoryStream() : null;
var peImage = compilation.EmitToArray(new EmitOptions(debugInformationFormat: format), pdbStream: pdbStream);
Stream currentPEStream = null;
Stream currentPdbStream = null;
var outputs = new TestCompilationOutputs(
openAssemblyStream: () => currentPEStream = new MemoryStream(peImage.ToArray()),
openPdbStream: () =>
{
if (pdbStream == null)
{
return(null);
}
currentPdbStream = new MemoryStream();
pdbStream.Position = 0;
pdbStream.CopyTo(currentPdbStream);
currentPdbStream.Position = 0;
return(currentPdbStream);
});
using (var pdb = outputs.OpenPdb())
{
var encReader = pdb.CreateEditAndContinueMethodDebugInfoReader();
Assert.Equal(format != DebugInformationFormat.Pdb, encReader.IsPortable);
var localSig = encReader.GetLocalSignature(MetadataTokens.MethodDefinitionHandle(1));
Assert.Equal(MetadataTokens.StandaloneSignatureHandle(1), localSig);
}
if (format == DebugInformationFormat.Embedded)
{
Assert.Throws <ObjectDisposedException>(() => currentPEStream.Length);
}
else
{
Assert.Throws <ObjectDisposedException>(() => currentPdbStream.Length);
}
using (var metadata = outputs.OpenAssemblyMetadata(prefetch: false))
{
Assert.NotEqual(0, currentPEStream.Length);
var mdReader = metadata.GetMetadataReader();
Assert.Equal("lib", mdReader.GetString(mdReader.GetAssemblyDefinition().Name));
}
Assert.Throws <ObjectDisposedException>(() => currentPEStream.Length);
using (var metadata = outputs.OpenAssemblyMetadata(prefetch: true))
{
// the stream has been closed since we prefetched the metadata:
Assert.Throws <ObjectDisposedException>(() => currentPEStream.Length);
var mdReader = metadata.GetMetadataReader();
Assert.Equal("lib", mdReader.GetString(mdReader.GetAssemblyDefinition().Name));
}
Assert.NotEqual(Guid.Empty, outputs.ReadAssemblyModuleVersionId());
}