public void StructuralTypeSubstitutionExpressionVisitor_RecordToAnonymous_ThrowsInvalidOperation()
{
var type1 = RuntimeCompiler.CreateRecordType(new Dictionary <string, Type>
{
{ "Foo", typeof(int) }
}, valueEquality: true);
var type2 = RuntimeCompiler.CreateAnonymousType(new Dictionary <string, Type>
{
{ "Foo", typeof(int) }
});
var expr = Expression.Constant(Activator.CreateInstance(type1));
var visitor = new StructuralTypeSubstitutionExpressionVisitor(new Dictionary <Type, Type> {
{ type1, type2 }
});
Assert.ThrowsException <InvalidOperationException>(() => visitor.Visit(expr));
}
public void StructuralTypeSubstitutionExpressionVisitor_NullValue_Success()
{
var type1 = RuntimeCompiler.CreateAnonymousType(new Dictionary <string, Type>
{
{ "Foo", typeof(int) }
});
var type2 = RuntimeCompiler.CreateAnonymousType(new Dictionary <string, Type>
{
{ "Foo", typeof(int) }
});
var expr = Expression.Constant(null, type1);
var visitor = new StructuralTypeSubstitutionExpressionVisitor(new Dictionary <Type, Type> {
{ type1, type2 }
});
var result = visitor.Visit(expr);
Assert.AreEqual(type2, result.Type);
}
public void StructuralTypeSubstitutionExpressionVisitor_Record_Success()
{
var type1 = RuntimeCompiler.CreateRecordType(new Dictionary <string, Type>
{
{ "Foo", typeof(int) }
}, valueEquality: true);
var type2 = RuntimeCompiler.CreateRecordType(new Dictionary <string, Type>
{
{ "Foo", typeof(int) }
}, valueEquality: true);
var expr = Expression.Constant(Activator.CreateInstance(type1));
var visitor = new StructuralTypeSubstitutionExpressionVisitor(new Dictionary <Type, Type> {
{ type1, type2 }
});
var result = visitor.Visit(expr);
Assert.AreEqual(type2, result.Type);
}
