Imported Upstream version 5.4.0.167

Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa

external/linker/corebuild/integration/test/WebApiTest.cs

@@ -0,0 +1,63 @@
+using System;
+using System.IO;
+using System.Xml.Linq;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace ILLink.Tests
+{
+	public class WebApiTest : IntegrationTestBase
+	{
+		public WebApiTest(ITestOutputHelper output) : base(output) {}
+
+		public string SetupProject()
+		{
+			string projectRoot = "webapi";
+
+			if (Directory.Exists(projectRoot)) {
+				Directory.Delete(projectRoot, true);
+			}
+
+			Directory.CreateDirectory(projectRoot);
+			int ret = Dotnet("new webapi", projectRoot);
+			if (ret != 0) {
+				output.WriteLine("dotnet new failed");
+				Assert.True(false);
+			}
+
+			string csproj = Path.Combine(projectRoot, $"{projectRoot}.csproj");
+			return csproj;
+		}
+
+		// TODO: Remove this once we figure out what to do about apps
+		// that have the publish output filtered by a manifest
+		// file. It looks like aspnet has made this the default. See
+		// the bug at https://github.com/dotnet/sdk/issues/1160.
+		private void PreventPublishFiltering(string csproj) {
+			var xdoc = XDocument.Load(csproj);
+			var ns = xdoc.Root.GetDefaultNamespace();
+
+			var propertygroup = xdoc.Root.Element(ns + "PropertyGroup");
+
+			output.WriteLine("setting PublishWithAspNetCoreTargetManifest=false");
+			propertygroup.Add(new XElement(ns + "PublishWithAspNetCoreTargetManifest",
+										   "false"));
+
+			using (var fs = new FileStream(csproj, FileMode.Create)) {
+				xdoc.Save(fs);
+			}
+		}
+
+		[Fact]
+		public void RunWebApi()
+		{
+			string csproj = SetupProject();
+
+			PreventPublishFiltering(csproj);
+
+			AddLinkerReference(csproj);
+
+			BuildAndLink(csproj);
+		}
+	}
+}