GN support for generating VS2013 project files

tools/gn/visual_studio_writer_unittest.cc

 // Copyright 2016 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.
 
 #include "tools/gn/visual_studio_writer.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/test_with_scope.h"
 #include "tools/gn/visual_studio_utils.h"
 
 namespace {
 
 class VisualStudioWriterTest : public testing::Test {
  protected:
   TestWithScope setup_;
 };
 
 std::string MakeTestPath(const std::string& path) {
 #if defined(OS_WIN)
   return "C:" + path;
 #else
   return path;
 #endif
 }
 
 }  // namespace
 
 TEST_F(VisualStudioWriterTest, ResolveSolutionFolders) {
-  VisualStudioWriter writer(setup_.build_settings());
+  VisualStudioWriter writer(setup_.build_settings(),
+                            VisualStudioWriter::Version::Vs2015);
 
   std::string path =
       MakeTestPath("/foo/chromium/src/out/Debug/obj/base/base.vcxproj");
   writer.projects_.push_back(new VisualStudioWriter::SolutionProject(
       "base", path, MakeGuid(path, "project"),
       MakeTestPath("/foo/chromium/src/base"), "Win32"));
 
   path = MakeTestPath("/foo/chromium/src/out/Debug/obj/tools/gn/gn.vcxproj");
   writer.projects_.push_back(new VisualStudioWriter::SolutionProject(
       "gn", path, MakeGuid(path, "project"),
@@ skipping 32 matching lines @@
             writer.folders_[3]->path);
   ASSERT_EQ(writer.folders_[2], writer.folders_[3]->parent_folder);
 
   ASSERT_EQ(writer.folders_[0], writer.projects_[0]->parent_folder);
   ASSERT_EQ(writer.folders_[3], writer.projects_[1]->parent_folder);
   ASSERT_EQ(writer.folders_[1], writer.projects_[2]->parent_folder);
   ASSERT_EQ(writer.folders_[0], writer.projects_[3]->parent_folder);
 }
 
 TEST_F(VisualStudioWriterTest, ResolveSolutionFolders_AbsPath) {
-  VisualStudioWriter writer(setup_.build_settings());
+  VisualStudioWriter writer(setup_.build_settings(),
+                            VisualStudioWriter::Version::Vs2015);
 
   std::string path =
       MakeTestPath("/foo/chromium/src/out/Debug/obj/base/base.vcxproj");
   writer.projects_.push_back(new VisualStudioWriter::SolutionProject(
       "base", path, MakeGuid(path, "project"),
       MakeTestPath("/foo/chromium/src/base"), "Win32"));
 
   path = MakeTestPath("/foo/chromium/src/out/Debug/obj/tools/gn/gn.vcxproj");
   writer.projects_.push_back(new VisualStudioWriter::SolutionProject(
       "gn", path, MakeGuid(path, "project"),
@@ skipping 44 matching lines @@
   ASSERT_EQ("gn", writer.folders_[6]->name);
   ASSERT_EQ(MakeTestPath("/foo/chromium/src/tools/gn"),
             writer.folders_[6]->path);
   ASSERT_EQ(writer.folders_[5], writer.folders_[6]->parent_folder);
 
   ASSERT_EQ(writer.folders_[4], writer.projects_[0]->parent_folder);
   ASSERT_EQ(writer.folders_[6], writer.projects_[1]->parent_folder);
   ASSERT_EQ(writer.folders_[0], writer.projects_[2]->parent_folder);
   ASSERT_EQ(writer.folders_[1], writer.projects_[3]->parent_folder);
 }