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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Diagnostics;
namespace ILLink.RoslynAnalyzer.Tests
{
public class TestCase
{
public readonly MemberDeclarationSyntax MemberSyntax;
private readonly IEnumerable<AttributeSyntax> Attributes;
public string? Name { get; set; }
public TestCase (MemberDeclarationSyntax memberSyntax, IEnumerable<AttributeSyntax> attributes)
{
MemberSyntax = memberSyntax;
Attributes = attributes;
}
public void Run (params (string, string)[] MSBuildProperties)
{
var testSyntaxTree = MemberSyntax.SyntaxTree.GetRoot ().SyntaxTree;
var testDependenciesSource = GetTestDependencies (testSyntaxTree)
.Select (testDependency => CSharpSyntaxTree.ParseText (File.ReadAllText (testDependency)));
var test = new TestChecker (
MemberSyntax,
TestCaseCompilation.CreateCompilation (
testSyntaxTree,
MSBuildProperties,
additionalSources: testDependenciesSource).Result);
test.ValidateAttributes (Attributes);
}
private static IEnumerable<string> GetTestDependencies (SyntaxTree testSyntaxTree)
{
TestCaseUtils.GetDirectoryPaths (out var rootSourceDir, out _);
foreach (var attribute in testSyntaxTree.GetRoot ().DescendantNodes ().OfType<AttributeSyntax> ()) {
if (attribute.Name.ToString () != "SetupCompileBefore")
continue;
var testNamespace = testSyntaxTree.GetRoot ().DescendantNodes ().OfType<NamespaceDeclarationSyntax> ().Single ().Name.ToString ();
var testSuiteName = testNamespace.Substring (testNamespace.LastIndexOf ('.') + 1);
var args = TestCaseUtils.GetAttributeArguments (attribute);
foreach (var sourceFile in ((ImplicitArrayCreationExpressionSyntax) args["#1"]).DescendantNodes ().OfType<LiteralExpressionSyntax> ())
yield return Path.Combine (rootSourceDir, testSuiteName, TestCaseUtils.GetStringFromExpression (sourceFile));
}
}
}
}
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