[VS Addin] Fix parallel building.

visual_studio/NativeClientVSAddIn/UnitTests/CompileParallelTest.cs

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+using System;
+using System.Text;
+using System.Collections.Generic;
+using EnvDTE;
+using EnvDTE80;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Microsoft.VisualStudio.VCProjectEngine;
+using NaCl.Build.CPPTasks;
+using NativeClientVSAddIn;
+
+namespace UnitTests
+{
+    [TestClass]
+    public class CompileParallelTest : BaseCompileTest
+    {
+        private static string SolutionBaseName_ = "CompileParallelTest";
+
+        [ClassInitialize]
+        public new static void ClassSetUp(TestContext testContext)
+        {
+            BaseCompileTest.ClassSetUp(testContext, SolutionBaseName_);
+        }
+
+        /// <summary>
+        /// This is run after each test to clean up things created in TestSetup().
+        /// </summary>
+        [TestCleanup]
+        public void ClassTearDown()
+        {
+            TestUtilities.CleanUpVisualStudioInstance(dte_);
+        }
+
+        /// <summary>
+        /// Test that parallel compilation works.
+        /// </summary>
+        [TestMethod]
+        public void CheckParallelCompile()
+        {
+            string platform = TestUtilities.NaClProjectUniqueName;
+            dte_.Solution.Open(SolutionName_);
+            Project project = dte_.Solution.Projects.Item(platform);
+
+            // Add property sheet that enables multiprocessing
+            VCConfiguration config;
+            IVCRulePropertyStorage rule;
+            config = TestUtilities.GetVCConfiguration(project, "Debug", platform);
+            config.AddPropertySheet("multiprocess.props");
+            config = TestUtilities.GetVCConfiguration(project, "Release", platform);
+            config.AddPropertySheet("multiprocess.props");
+
+            // Add a second file
+            project.ProjectItems.AddFromFile("test_file.cpp");
+
+            dte_.Solution.Close(true);
+
+            CheckCompile(Strings.NaCl64PlatformName, false);
+        }
+    }
+}