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//
// AbstractLinkingTestFixture.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// (C) 2006 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.IO;
using Mono.Cecil;
using Mono.Linker.Steps;
using NUnit.Framework;
using System.Linq;
using System.Collections.Generic;
namespace Mono.Linker.Tests
{
public abstract class AbstractLinkingTestFixture : AbstractTestFixture
{
[SetUp]
public override void SetUp ()
{
base.SetUp ();
TestCasesRoot = "Linker";
}
[TearDown]
public override void TearDown ()
{
base.TearDown ();
string output = GetOutputPath ();
if (Directory.Exists (output))
Directory.Delete (output, true);
}
protected override Pipeline GetPipeline ()
{
Pipeline p = new Pipeline ();
p.AppendStep (new LoadReferencesStep ());
p.AppendStep (new BlacklistStep ());
p.AppendStep (new TypeMapStep ());
p.AppendStep (new MarkStep ());
p.AppendStep (new SweepStep ());
p.AppendStep (new CleanStep ());
p.AppendStep (new OutputStep ());
return p;
}
protected override void RunTest (string testCase)
{
base.RunTest (testCase);
Prepare ();
}
void Prepare ()
{
Context = GetContext ();
string output = GetOutputPath ();
if (Directory.Exists (output))
Directory.Delete (output, true);
Directory.CreateDirectory (output);
}
protected override void Run ()
{
base.Run ();
Compare ();
}
void Compare ()
{
bool compared = false;
foreach (AssemblyDefinition assembly in Context.GetAssemblies ()) {
if (Context.Annotations.GetAction (assembly) != AssemblyAction.Link)
continue;
string fileName = GetAssemblyFileName (assembly);
var original = AssemblyDefinition.ReadAssembly (Path.Combine (GetTestCasePath (), fileName));
var linked = AssemblyDefinition.ReadAssembly (Path.Combine (GetOutputPath (), fileName));
compared = CompareAssemblies (original, linked);
}
Assert.IsTrue (compared, $"No data compared (are you missing '{TestCase}' namespace for the test case?)");
}
bool CompareAssemblies (AssemblyDefinition original, AssemblyDefinition linked)
{
bool compared = false;
foreach (TypeDefinition originalType in original.MainModule.Types) {
if (!originalType.FullName.StartsWith (TestCase, System.StringComparison.Ordinal))
continue;
compared = true;
TypeDefinition linkedType = linked.MainModule.Types.FirstOrDefault (l => l.FullName == originalType.FullName);
if (MustBeLinked (originalType)) {
Assert.IsNull (linkedType, string.Format ("Type `{0}' was not linked", originalType));
continue;
}
Assert.IsNotNull (linkedType, string.Format ("Type `{0}' was linked", originalType));
CompareTypes (originalType, linkedType);
}
return compared;
}
static void CompareTypes (TypeDefinition type, TypeDefinition linkedType)
{
foreach (FieldDefinition originalField in type.Fields) {
IEnumerable<FieldDefinition> fd = linkedType.Fields;
FieldDefinition linkedField = fd.FirstOrDefault (l => l.Name == originalField.Name);// TODO: also get with the type!
if (MustBeLinked (originalField)) {
Assert.IsNull (linkedField, string.Format ("Field `{0}' should not have been linked", originalField));
continue;
}
Assert.IsNotNull (linkedField, string.Format ("Field `{0}' should have been linked", originalField));
}
foreach (MethodDefinition originalMethod in type.Methods) {
MethodDefinition linkedMethod = linkedType.Methods.FirstOrDefault (l => l.Name == originalMethod.Name && l.Parameters.Count == originalMethod.Parameters.Count); // TODO: lame
if (MustBeLinked (originalMethod)) {
Assert.IsNull (linkedMethod, string.Format ("Method `{0}' was not linked", originalMethod));
continue;
}
Assert.IsNotNull (linkedMethod, string.Format ("Method `{0}' was linked", originalMethod));
}
}
static bool MustBeLinked (ICustomAttributeProvider provider)
{
foreach (CustomAttribute ca in provider.CustomAttributes)
if (ca.Constructor.DeclaringType.Name == "AssertLinkedAttribute")
return true;
return false;
}
}
}
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