public static void TypeLoaderApisAfterDispose()
{
TypeLoader tl = new TypeLoader();
tl.Dispose();
Assert.Throws <ObjectDisposedException>(() => tl.LoadFromAssemblyName(new AssemblyName("Foo")));
Assert.Throws <ObjectDisposedException>(() => tl.LoadFromAssemblyName("Foo"));
Assert.Throws <ObjectDisposedException>(() => tl.LoadFromAssemblyPath("Foo"));
Assert.Throws <ObjectDisposedException>(() => tl.LoadFromByteArray(TestData.s_SimpleAssemblyImage));
Assert.Throws <ObjectDisposedException>(() => tl.LoadFromStream(new MemoryStream(TestData.s_SimpleAssemblyImage)));
}
public static void LoadFromAssemblyName()
{
using (TypeLoader tl = new TypeLoader())
{
Stream peStream = new MemoryStream(TestData.s_SimpleAssemblyImage);
Assembly a = tl.LoadFromStream(peStream);
Assert.NotNull(a);
Assembly a1 = tl.LoadFromAssemblyName(TestData.s_SimpleAssemblyName);
Assert.Equal(a, a1);
Assembly a2 = tl.LoadFromAssemblyName(new AssemblyName(TestData.s_SimpleAssemblyName));
Assert.Equal(a, a2);
}
}
public static void AssemblyName_GetName_SimpleNameOnly()
{
using (TypeLoader tl = new TypeLoader())
{
Assembly a = tl.LoadFromByteArray(TestData.s_SimpleNameOnlyImage);
AssemblyName an = a.GetName(copiedName: false);
Assert.Equal("SimpleNameOnly", an.Name);
Assert.Equal(AssemblyNameFlags.PublicKey, an.Flags);
Version v = an.Version;
Assert.NotNull(v);
Assert.Equal(0, v.Major);
Assert.Equal(0, v.Minor);
Assert.Equal(0, v.Build);
Assert.Equal(0, v.Revision);
string cultureName = an.CultureName;
Assert.Equal(string.Empty, cultureName);
byte[] publicKey = an.GetPublicKey();
Assert.Equal(0, publicKey.Length);
Assert.Equal(AssemblyContentType.Default, an.ContentType);
Assert.Equal(AssemblyHashAlgorithm.SHA1, an.HashAlgorithm);
Assembly aAgain = tl.LoadFromAssemblyName(an);
Assert.Equal(a, aAgain);
}
}
public static void LoadFromAssemblyNameNeverLoadedAssembly()
{
using (TypeLoader tl = new TypeLoader())
{
Assert.Throws <FileNotFoundException>(() => tl.LoadFromAssemblyName("NeverSawThis"));
}
}
public static void LoadFromAssemblyNameNullAssemblyName()
{
using (TypeLoader tl = new TypeLoader())
{
Assert.Throws <ArgumentNullException>(() => tl.LoadFromAssemblyName((AssemblyName)null));
}
}
//
// For a given assembly name and its full path, Reflection-Only load the assembly directly
// from the file in disk or load the file to memory and then create assembly instance from
// memory buffer data.
//
private static Assembly ReflectionOnlyLoadAssembly(string assemblyName, string fullPathToAssembly)
{
Assembly assembly = null;
// If the assembly path is empty, try to load assembly by name. LoadFromAssemblyName
// will result in a TypeLoader.Resolve event that will contain more information about the
// requested assembly.
if (String.IsNullOrEmpty(fullPathToAssembly))
{
return(_typeLoader.LoadFromAssemblyName(assemblyName));
}
else if (_cachedTypeLoaderAssemblies.TryGetValue(fullPathToAssembly, out assembly))
{
return(assembly);
}
else if (!String.IsNullOrEmpty(assemblyName) && _cachedTypeLoaderAssemblies.TryGetValue(assemblyName, out assembly))
{
return(assembly);
}
else
{
assembly = _typeLoader.LoadFromAssemblyPath(fullPathToAssembly);
}
// Add the assembly to the cache. ReflectionHelper.ReflectionOnlyLoadAssembly
// receives frequent calls requesting the same assembly.
if (assembly != null && fullPathToAssembly != null)
{
_cachedTypeLoaderAssemblies.Add(fullPathToAssembly, assembly);
_cachedTypeLoaderReferencePaths.Add(Path.GetDirectoryName(fullPathToAssembly));
}
return(assembly);
}
public static RoType LoadTypeFromAssemblyQualifiedName(string name, RoAssembly defaultAssembly, bool ignoreCase, bool throwOnError)
{
if (!name.TypeNameContainsTypeParserMetacharacters())
{
// Fast-path: the type contains none of the parser metacharacters nor the escape character. Just treat as plain old type name.
name.SplitTypeName(out string ns, out string simpleName);
RoType type = defaultAssembly.GetTypeCore(ns, simpleName, ignoreCase: ignoreCase, out Exception e);
if (type != null)
{
return(type);
}
if (throwOnError)
{
throw e;
}
}
TypeLoader loader = defaultAssembly.Loader;
Func <AssemblyName, Assembly> assemblyResolver =
delegate(AssemblyName assemblyName)
{
return(loader.LoadFromAssemblyName(assemblyName));
};
Func <Assembly, string, bool, Type> typeResolver =
delegate(Assembly assembly, string fullName, bool ignoreCase2)
{
if (assembly == null)
{
assembly = defaultAssembly;
}
Debug.Assert(assembly is RoAssembly);
RoAssembly roAssembly = (RoAssembly)assembly;
fullName = fullName.UnescapeTypeNameIdentifier();
fullName.SplitTypeName(out string ns, out string simpleName);
Type type = roAssembly.GetTypeCore(ns, simpleName, ignoreCase: ignoreCase2, out Exception e);
if (type != null)
{
return(type);
}
if (throwOnError)
{
throw e;
}
return(null);
};
return((RoType)Type.GetType(name, assemblyResolver: assemblyResolver, typeResolver: typeResolver, throwOnError: throwOnError, ignoreCase: ignoreCase));
}
public static void AssemblyName_GetName_HashWithSha256()
{
using (TypeLoader tl = new TypeLoader())
{
Assembly a = tl.LoadFromByteArray(TestData.s_HashWithSha256Image);
AssemblyName an = a.GetName(copiedName: false);
Assert.Equal("HashWithSha256", an.Name);
Assert.Equal(AssemblyHashAlgorithm.SHA256, an.HashAlgorithm);
Assembly aAgain = tl.LoadFromAssemblyName(an);
Assert.Equal(a, aAgain);
}
}
public static void AssemblyName_GetName_CultureFrCh()
{
using (TypeLoader tl = new TypeLoader())
{
Assembly a = tl.LoadFromByteArray(TestData.s_CultureFrChImage);
AssemblyName an = a.GetName(copiedName: false);
Assert.Equal("CultureFrCh", an.Name);
string cultureName = an.CultureName;
Assert.Equal("fr-CH", cultureName);
Assembly aAgain = tl.LoadFromAssemblyName(an);
Assert.Equal(a, aAgain);
}
}
public static void LoadExternalAssembly1()
{
using (TypeLoader tl = new TypeLoader())
{
Assembly runtimeAssembly = typeof(object).Assembly; // Intentionally not projected.
string location = runtimeAssembly.Location;
tl.Resolving +=
delegate(TypeLoader sender, AssemblyName an)
{
return(runtimeAssembly);
};
Assert.Throws <FileLoadException>(() => tl.LoadFromAssemblyName("DontCare"));
}
}
public static void AssemblyName_GetName_PublicKeyToken1ee753223f71263d()
{
using (TypeLoader tl = new TypeLoader())
{
Assembly a = tl.LoadFromByteArray(TestData.s_PublicKeyToken1ee753223f71263dImage);
AssemblyName an = a.GetName(copiedName: false);
Assert.Equal("PublicKeyToken1ee753223f71263d", an.Name);
Assert.Equal(AssemblyNameFlags.PublicKey, an.Flags);
byte[] publicKey = an.GetPublicKey();
Assert.Equal <byte>(TestData.s_PublicKeyToken1ee753223f71263d_Pk, publicKey);
Assembly aAgain = tl.LoadFromAssemblyName(an);
Assert.Equal(a, aAgain);
}
}
public static void AssemblyName_GetName_Version1_2_65535_65535()
{
using (TypeLoader tl = new TypeLoader())
{
Assembly a = tl.LoadFromByteArray(TestData.s_Version1_2_65535_65535Image);
AssemblyName an = a.GetName(copiedName: false);
Assert.Equal("Version1_2_65535_65535", an.Name);
Version v = an.Version;
Assert.NotNull(v);
Assert.Equal(1, v.Major);
Assert.Equal(2, v.Minor);
Assert.Equal(65535, v.Build);
Assert.Equal(65535, v.Revision);
Assembly aAgain = tl.LoadFromAssemblyName(an);
Assert.Equal(a, aAgain);
}
}
public static void LoadFromDifferentLocations()
{
using (TempFile tf1 = TempFile.Create(TestData.s_SimpleAssemblyImage))
using (TempFile tf2 = TempFile.Create(TestData.s_SimpleAssemblyImage))
using (TypeLoader tl = new TypeLoader())
{
// As long as the MVID matches, you can load the same assembly from multiple locations.
Assembly a = tl.LoadFromByteArray(TestData.s_SimpleAssemblyImage);
Assert.NotNull(a);
Assembly a1 = tl.LoadFromByteArray(TestData.s_SimpleAssemblyImage);
Assert.Equal(a, a1);
Assembly a2 = tl.LoadFromAssemblyName(new AssemblyName(TestData.s_SimpleAssemblyName));
Assert.Equal(a, a2);
Assembly a3 = tl.LoadFromAssemblyPath(tf1.Path);
Assert.Equal(a, a3);
Assembly a4 = tl.LoadFromAssemblyPath(tf2.Path);
Assert.Equal(a, a4);
}
}
public static void CoreAssemblyCanBeAFacade()
{
using (TypeLoader tl = new TypeLoader(coreAssemblyName: TestData.s_PhonyCoreAssemblyName))
{
Assembly actualCoreAssembly = null;
tl.Resolving +=
delegate(TypeLoader sender, AssemblyName refName)
{
if (refName.Name.Equals("mscorlib", StringComparison.OrdinalIgnoreCase))
{
return(actualCoreAssembly = sender.LoadFromStream(TestUtils.CreateStreamForCoreAssembly()));
}
return(null);
};
Assembly a = tl.LoadFromByteArray(TestData.s_PhonyCoreAssemblyImage);
// This is a sanity check to ensure that "TestData.s_PhonyCoreAssemblyName" is actually the def-name of this
// assembly. It better be since we told our TypeLoader to use it as our core assembly.
Assembly aAgain = tl.LoadFromAssemblyName(TestData.s_PhonyCoreAssemblyName);
Type derived = a.GetType("Derived", throwOnError: true, ignoreCase: false);
// Calling BaseType causes the TypeLoader to parse the typespec "Base<object>". Since "object" is a primitive
// type, it should be encoded using the short-form "ELEMENT_TYPE_OBJECT." Hence, the TypeLoader is forced
// to look up "System.Object" in the core assembly we assigned to it, which in this case is "PhonyCoreAssembly"
// which type-forwards System.Object to "mscorlib".
Type baseType = derived.BaseType;
Assert.NotNull(actualCoreAssembly); // Ensure our resolve handler actually ran.
Assert.NotEqual(a, actualCoreAssembly);
Assert.True(baseType.IsConstructedGenericType);
Type retrievedObjectType = baseType.GenericTypeArguments[0];
Assert.Equal("System.Object", retrievedObjectType.FullName);
Assert.Equal(actualCoreAssembly, retrievedObjectType.Assembly);
}
}
