[PATCH] D55789: [VFS] Add isLocal to ProxyFileSystem and add unit tests.

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This revision was automatically updated to reflect the committed changes.
Closed by commit rL349410: [VFS] Add isLocal to ProxyFileSystem and add unit tests. (authored by mspencer, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D55789?vs=178527&id=178533#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55789/new/

https://reviews.llvm.org/D55789

Files:
  llvm/trunk/include/llvm/Support/VirtualFileSystem.h
  llvm/trunk/unittests/Support/VirtualFileSystemTest.cpp


Index: llvm/trunk/include/llvm/Support/VirtualFileSystem.h
===================================================================
--- llvm/trunk/include/llvm/Support/VirtualFileSystem.h
+++ llvm/trunk/include/llvm/Support/VirtualFileSystem.h
@@ -374,6 +374,9 @@
                               SmallVectorImpl<char> &Output) const override {
     return FS->getRealPath(Path, Output);
   }
+  std::error_code isLocal(const Twine &Path, bool &Result) override {
+    return FS->isLocal(Path, Result);
+  }
 
 protected:
   FileSystem &getUnderlyingFS() { return *FS; }
Index: llvm/trunk/unittests/Support/VirtualFileSystemTest.cpp
===================================================================
--- llvm/trunk/unittests/Support/VirtualFileSystemTest.cpp
+++ llvm/trunk/unittests/Support/VirtualFileSystemTest.cpp
@@ -743,6 +743,43 @@
   }
 }
 
+TEST(ProxyFileSystemTest, Basic) {
+  IntrusiveRefCntPtr<vfs::InMemoryFileSystem> Base(
+      new vfs::InMemoryFileSystem());
+  vfs::ProxyFileSystem PFS(Base);
+
+  Base->addFile("/a", 0, MemoryBuffer::getMemBuffer("test"));
+
+  auto Stat = PFS.status("/a");
+  ASSERT_FALSE(Stat.getError());
+
+  auto File = PFS.openFileForRead("/a");
+  ASSERT_FALSE(File.getError());
+  EXPECT_EQ("test", (*(*File)->getBuffer("ignored"))->getBuffer());
+
+  std::error_code EC;
+  vfs::directory_iterator I = PFS.dir_begin("/", EC);
+  ASSERT_FALSE(EC);
+  ASSERT_EQ("/a", I->path());
+  I.increment(EC);
+  ASSERT_FALSE(EC);
+  ASSERT_EQ(vfs::directory_iterator(), I);
+
+  ASSERT_FALSE(PFS.setCurrentWorkingDirectory("/"));
+
+  auto PWD = PFS.getCurrentWorkingDirectory();
+  ASSERT_FALSE(PWD.getError());
+  ASSERT_EQ("/", *PWD);
+
+  SmallString<16> Path;
+  ASSERT_FALSE(PFS.getRealPath("a", Path));
+  ASSERT_EQ("/a", Path);
+
+  bool Local = true;
+  ASSERT_FALSE(PFS.isLocal("/a", Local));
+  ASSERT_EQ(false, Local);
+}
+
 class InMemoryFileSystemTest : public ::testing::Test {
 protected:
   llvm::vfs::InMemoryFileSystem FS;


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