From bc1c5b1d042bc057c37de0046179b1d510444ff9 Mon Sep 17 00:00:00 2001
From: Juergen Ributzka <juergen@apple.com>
Date: Fri, 10 Mar 2017 21:46:51 +0000
Subject: Revert r297510 "[VFS] Ignore broken symlinks in the directory
 iterator."

The tests are failing on one of the bots.

llvm-svn: 297517
---
 clang/unittests/Basic/VirtualFileSystemTest.cpp | 83 -------------------------
 1 file changed, 83 deletions(-)

(limited to 'clang/unittests/Basic/VirtualFileSystemTest.cpp')

diff --git a/clang/unittests/Basic/VirtualFileSystemTest.cpp b/clang/unittests/Basic/VirtualFileSystemTest.cpp
index 738e25b2b02..580343d93ea 100644
--- a/clang/unittests/Basic/VirtualFileSystemTest.cpp
+++ b/clang/unittests/Basic/VirtualFileSystemTest.cpp
@@ -305,22 +305,6 @@ struct ScopedDir {
   }
   operator StringRef() { return Path.str(); }
 };
-
-struct ScopedLink {
-  SmallString<128> Path;
-  ScopedLink(const Twine &To, const Twine &From) {
-    Path = From.str();
-    std::error_code EC = sys::fs::create_link(To, From);
-    if (EC)
-      Path = "";
-    EXPECT_FALSE(EC);
-  }
-  ~ScopedLink() {
-    if (Path != "")
-      EXPECT_FALSE(llvm::sys::fs::remove(Path.str()));
-  }
-  operator StringRef() { return Path.str(); }
-};
 } // end anonymous namespace
 
 TEST(VirtualFileSystemTest, BasicRealFSIteration) {
@@ -350,35 +334,6 @@ TEST(VirtualFileSystemTest, BasicRealFSIteration) {
   EXPECT_EQ(vfs::directory_iterator(), I);
 }
 
-TEST(VirtualFileSystemTest, BrokenSymlinkRealFSIteration) {
-  ScopedDir TestDirectory("virtual-file-system-test", /*Unique*/ true);
-  IntrusiveRefCntPtr<vfs::FileSystem> FS = vfs::getRealFileSystem();
-
-  ScopedLink _a("no_such_file", TestDirectory + "/a");
-  ScopedDir _b(TestDirectory + "/b");
-  ScopedLink _c("no_such_file", TestDirectory + "/c");
-
-  std::error_code EC;
-  vfs::directory_iterator I = FS->dir_begin(Twine(TestDirectory), EC);
-  EXPECT_TRUE(EC);
-  EXPECT_NE(vfs::directory_iterator(), I);
-  EC = std::error_code();
-  EXPECT_TRUE(I->getName() == _a);
-  I.increment(EC);
-  EXPECT_FALSE(EC);
-  EXPECT_NE(vfs::directory_iterator(), I);
-  EXPECT_TRUE(I->getName() == _b);
-  I.increment(EC);
-  EXPECT_TRUE(EC);
-  EXPECT_NE(vfs::directory_iterator(), I);
-  EC = std::error_code();
-  EXPECT_NE(vfs::directory_iterator(), I);
-  EXPECT_TRUE(I->getName() == _c);
-  I.increment(EC);
-  EXPECT_FALSE(EC);
-  EXPECT_EQ(vfs::directory_iterator(), I);
-}
-
 TEST(VirtualFileSystemTest, BasicRealFSRecursiveIteration) {
   ScopedDir TestDirectory("virtual-file-system-test", /*Unique*/true);
   IntrusiveRefCntPtr<vfs::FileSystem> FS = vfs::getRealFileSystem();
@@ -418,44 +373,6 @@ TEST(VirtualFileSystemTest, BasicRealFSRecursiveIteration) {
   EXPECT_EQ(1, Counts[3]); // d
 }
 
-TEST(VirtualFileSystemTest, BrokenSymlinkRealFSRecursiveIteration) {
-  ScopedDir TestDirectory("virtual-file-system-test", /*Unique*/ true);
-  IntrusiveRefCntPtr<vfs::FileSystem> FS = vfs::getRealFileSystem();
-
-  ScopedLink _a("no_such_file", TestDirectory + "/a");
-  ScopedDir _b(TestDirectory + "/b");
-  ScopedLink _ba("no_such_file", TestDirectory + "/b/a");
-  ScopedDir _bb(TestDirectory + "/b/b");
-  ScopedLink _bc("no_such_file", TestDirectory + "/b/c");
-  ScopedLink _c("no_such_file", TestDirectory + "/c");
-  ScopedDir _d(TestDirectory + "/d");
-  ScopedDir _dd(TestDirectory + "/d/d");
-  ScopedDir _ddd(TestDirectory + "/d/d/d");
-  ScopedLink _e("no_such_file", TestDirectory + "/e");
-
-  std::vector<std::string> Contents;
-  std::error_code EC;
-  for (vfs::recursive_directory_iterator I(*FS, Twine(TestDirectory), EC), E;
-       I != E; I.increment(EC)) {
-    // Skip broken symlinks.
-    if (EC == std::errc::no_such_file_or_directory) {
-      EC = std::error_code();
-      continue;
-    } else if (EC) {
-      break;
-    }
-    Contents.push_back(I->getName());
-  }
-
-  // Check contents.
-  EXPECT_EQ(5U, Contents.size());
-  EXPECT_TRUE(Contents[0] == _b);
-  EXPECT_TRUE(Contents[1] == _bb);
-  EXPECT_TRUE(Contents[2] == _d);
-  EXPECT_TRUE(Contents[3] == _dd);
-  EXPECT_TRUE(Contents[4] == _ddd);
-}
-
 template <typename DirIter>
 static void checkContents(DirIter I, ArrayRef<StringRef> ExpectedOut) {
   std::error_code EC;
-- 
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