clang-tools 10.0.0

FSTests.cpp
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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-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "FS.h"
10 #include "TestFS.h"
11 #include "gmock/gmock.h"
12 #include "gtest/gtest.h"
13
14 namespace clang {
15 namespace clangd {
16 namespace {
17
18 TEST(FSTests, PreambleStatusCache) {
19 llvm::StringMap<std::string> Files;
20 Files["x"] = "";
21 Files["y"] = "";
22 Files["main"] = "";
23 auto FS = buildTestFS(Files);
24 FS->setCurrentWorkingDirectory(testRoot());
25
26 PreambleFileStatusCache StatCache(testPath("main"));
27 auto ProduceFS = StatCache.getProducingFS(FS);
28 EXPECT_TRUE(ProduceFS->openFileForRead("x"));
29 EXPECT_TRUE(ProduceFS->status("y"));
30 EXPECT_TRUE(ProduceFS->status("main"));
31
32 EXPECT_TRUE(StatCache.lookup(testPath("x")).hasValue());
33 EXPECT_TRUE(StatCache.lookup(testPath("y")).hasValue());
34 // Main file is not cached.
35 EXPECT_FALSE(StatCache.lookup(testPath("main")).hasValue());
36
37 llvm::vfs::Status S("fake", llvm::sys::fs::UniqueID(123, 456),
38 std::chrono::system_clock::now(), 0, 0, 1024,
39 llvm::sys::fs::file_type::regular_file,
40 llvm::sys::fs::all_all);
41 StatCache.update(*FS, S);
42 auto ConsumeFS = StatCache.getConsumingFS(FS);
43 auto Cached = ConsumeFS->status(testPath("fake"));
44 EXPECT_TRUE(Cached);
45 EXPECT_EQ(Cached->getName(), testPath("fake"));
46 EXPECT_EQ(Cached->getUniqueID(), S.getUniqueID());
47
48 // fake and temp/../fake should hit the same cache entry.
49 // However, the Status returned reflects the actual path requested.
50 auto CachedDotDot = ConsumeFS->status(testPath("temp/../fake"));
51 EXPECT_TRUE(CachedDotDot);
52 EXPECT_EQ(CachedDotDot->getName(), testPath("temp/../fake"));
53 EXPECT_EQ(CachedDotDot->getUniqueID(), S.getUniqueID());
54 }
55
56 } // namespace
57 } // namespace clangd
58 } // namespace clang
FS
MockFSProvider FS
Definition: HeadersTests.cpp:119
TestFS.h
clang::clangd::buildTestFS
llvm::IntrusiveRefCntPtr< llvm::vfs::FileSystem > buildTestFS(llvm::StringMap< std::string > const &Files, llvm::StringMap< time_t > const &Timestamps)
Definition: TestFS.cpp:22
clang::clangd::TEST
TEST(BackgroundQueueTest, Priority)
Definition: BackgroundIndexTests.cpp:647
clang::clangd::testPath
std::string testPath(PathRef File)
Definition: TestFS.cpp:82
clang::clangd::testRoot
const char * testRoot()
Definition: TestFS.cpp:74
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
FS.h
Files
llvm::StringMap< std::string > Files
Definition: TUSchedulerTests.cpp:119