59 lines · cpp
1//===-- FSTests.cpp - File system related tests -----------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "FS.h"10#include "TestFS.h"11#include "gmock/gmock.h"12#include "gtest/gtest.h"13 14namespace clang {15namespace clangd {16namespace {17 18TEST(FSTests, PreambleStatusCache) {19 llvm::StringMap<std::string> Files;20 Files["x"] = "";21 Files["y"] = "";22 Files["main"] = "";23 auto FS = buildTestFS(Files);24 25 PreambleFileStatusCache StatCache(testPath("main"));26 auto ProduceFS = StatCache.getProducingFS(FS);27 EXPECT_TRUE(ProduceFS->openFileForRead("x"));28 EXPECT_TRUE(ProduceFS->status("y"));29 EXPECT_TRUE(ProduceFS->status("main"));30 31 EXPECT_TRUE(StatCache.lookup(testPath("x")).has_value());32 EXPECT_TRUE(StatCache.lookup(testPath("y")).has_value());33 // Main file is not cached.34 EXPECT_FALSE(StatCache.lookup(testPath("main")).has_value());35 36 llvm::vfs::Status S("fake", llvm::sys::fs::UniqueID(123, 456),37 std::chrono::system_clock::now(), 0, 0, 1024,38 llvm::sys::fs::file_type::regular_file,39 llvm::sys::fs::all_all);40 StatCache.update(*FS, S, "real");41 auto ConsumeFS = StatCache.getConsumingFS(FS);42 EXPECT_FALSE(ConsumeFS->status(testPath("fake")));43 auto Cached = ConsumeFS->status(testPath("real"));44 EXPECT_TRUE(Cached);45 EXPECT_EQ(Cached->getName(), testPath("real"));46 EXPECT_EQ(Cached->getUniqueID(), S.getUniqueID());47 48 // real and temp/../real should hit the same cache entry.49 // However, the Status returned reflects the actual path requested.50 auto CachedDotDot = ConsumeFS->status(testPath("temp/../real"));51 EXPECT_TRUE(CachedDotDot);52 EXPECT_EQ(CachedDotDot->getName(), testPath("temp/../real"));53 EXPECT_EQ(CachedDotDot->getUniqueID(), S.getUniqueID());54}55 56} // namespace57} // namespace clangd58} // namespace clang59