diff --git a/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp b/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp
index d8d7e7a6f7da4c..c60b264baa9c46 100644
--- a/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp
+++ b/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp
@@ -149,6 +149,16 @@ TEST_F(LSPTest, DiagnosticsHeaderSaved) {
               llvm::ValueIs(testing::ElementsAre(
                   DiagMessage("Use of undeclared identifier 'changed'"))));
 }
+
+TEST_F(LSPTest, RecordsLatencies) {
+  trace::TestTracer Tracer;
+  auto &Client = start();
+  llvm::StringLiteral MethodName = "method_name";
+  EXPECT_THAT(Tracer.takeMetric("lsp_latency", MethodName), testing::SizeIs(0));
+  llvm::consumeError(Client.call(MethodName, {}).take().takeError());
+  Client.sync();
+  EXPECT_THAT(Tracer.takeMetric("lsp_latency", MethodName), testing::SizeIs(1));
+}
 } // namespace
 } // namespace clangd
 } // namespace clang