private DependencyContext BuildDependencyContextWithReferenceAssemblies(bool useCompilationOptions) { string mainProjectName = "simple.dependencies"; LockFile lockFile = TestLockFiles.GetLockFile(mainProjectName); SingleProjectInfo mainProject = SingleProjectInfo.Create( "/usr/Path", mainProjectName, ".dll", "1.0.0", new ITaskItem[] { }); ITaskItem[] referencePaths = new ITaskItem[] { new MockTaskItem( "/usr/Path/System.NotConflicting.dll", new Dictionary <string, string> { { "CopyLocal", "false" }, { "FusionName", "System.NotConflicting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=null" }, { "Version", "" }, }), new MockTaskItem( "/usr/Path/System.Collections.NonGeneric.dll", new Dictionary <string, string> { { "CopyLocal", "false" }, { "FusionName", "System.Collections.NonGeneric, Version=4.0.0.0, Culture=neutral, PublicKeyToken=null" }, { "Version", "" }, }), new MockTaskItem( "/usr/Path/System.Collections.NonGeneric.Reference.dll", new Dictionary <string, string> { { "CopyLocal", "false" }, { "FusionName", "System.Collections.NonGeneric.Reference, Version=4.0.0.0, Culture=neutral, PublicKeyToken=null" }, { "Version", "" }, }), }; ProjectContext projectContext = lockFile.CreateProjectContext( FrameworkConstants.CommonFrameworks.NetCoreApp10, runtime: null, platformLibraryName: Constants.DefaultPlatformLibrary, isSelfContained: false); CompilationOptions compilationOptions = useCompilationOptions ? CreateCompilationOptions() : null; DependencyContext dependencyContext = new DependencyContextBuilder(mainProject, projectContext, includeRuntimeFileVersions: false) .WithReferenceAssemblies(ReferenceInfo.CreateReferenceInfos(referencePaths)) .WithCompilationOptions(compilationOptions) .Build(); // ensure the DependencyContext can be written out successfully - it has no duplicate dependency names Save(dependencyContext); return(dependencyContext); }