1 files changed, 39 insertions, 0 deletions
diff --git a/clang-tools-extra/unittests/clangd/RIFFTests.cpp b/clang-tools-extra/unittests/clangd/RIFFTests.cpp
new file mode 100644
index 00000000000..d252edf8e5c
--- /dev/null
+++ b/clang-tools-extra/unittests/clangd/RIFFTests.cpp
@@ -0,0 +1,39 @@
+//===-- RIFFTests.cpp - Binary container unit tests -----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RIFF.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace clang {
+namespace clangd {
+namespace {
+using namespace llvm;
+using ::testing::ElementsAre;
+
+TEST(RIFFTest, File) {
+  riff::File File{riff::fourCC("test"),
+                  {
+                      {riff::fourCC("even"), "abcd"},
+                      {riff::fourCC("oddd"), "abcde"},
+                  }};
+  StringRef Serialized = StringRef("RIFF\x1e\0\0\0test"
+                                   "even\x04\0\0\0abcd"
+                                   "oddd\x05\0\0\0abcde\0",
+                                   38);
+
+  EXPECT_EQ(llvm::to_string(File), Serialized);
+  auto Parsed = riff::readFile(Serialized);
+  ASSERT_TRUE(bool(Parsed)) << Parsed.takeError();
+  EXPECT_EQ(*Parsed, File);
+}
+
+} // namespace
+} // namespace clangd
+} // namespace clang