1 files changed, 4 insertions, 1 deletions
diff --git a/clang-tools-extra/unittests/clangd/TestFS.cpp b/clang-tools-extra/unittests/clangd/TestFS.cpp
index 86e10725eaa..b0938a59840 100644
--- a/clang-tools-extra/unittests/clangd/TestFS.cpp
+++ b/clang-tools-extra/unittests/clangd/TestFS.cpp
@@ -39,7 +39,8 @@ MockCompilationDatabase::MockCompilationDatabase(StringRef Directory,
 }
 
 Optional<tooling::CompileCommand>
-MockCompilationDatabase::getCompileCommand(PathRef File) const {
+MockCompilationDatabase::getCompileCommand(PathRef File,
+                                           ProjectInfo *Project) const {
   if (ExtraClangFlags.empty())
     return None;
 
@@ -58,6 +59,8 @@ MockCompilationDatabase::getCompileCommand(PathRef File) const {
     CommandLine.push_back(RelativeFilePath.str());
   }
 
+  if (Project)
+    Project->SourceRoot = Directory;
   return {tooling::CompileCommand(
       Directory != StringRef() ? Directory : sys::path::parent_path(File),
       FileName, std::move(CommandLine), "")};