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1 //===-- FSTests.cpp - File system related tests -----------------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #include "FS.h"
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10 #include "TestFS.h"
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11 #include "gmock/gmock.h"
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12 #include "gtest/gtest.h"
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13
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14 namespace clang {
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15 namespace clangd {
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16 namespace {
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17
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18 TEST(FSTests, PreambleStatusCache) {
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19 llvm::StringMap<std::string> Files;
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20 Files["x"] = "";
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21 Files["y"] = "";
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22 Files["main"] = "";
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23 auto FS = buildTestFS(Files);
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24
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25 PreambleFileStatusCache StatCache(testPath("main"));
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26 auto ProduceFS = StatCache.getProducingFS(FS);
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27 EXPECT_TRUE(ProduceFS->openFileForRead("x"));
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28 EXPECT_TRUE(ProduceFS->status("y"));
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29 EXPECT_TRUE(ProduceFS->status("main"));
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30
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31 EXPECT_TRUE(StatCache.lookup(testPath("x")).hasValue());
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32 EXPECT_TRUE(StatCache.lookup(testPath("y")).hasValue());
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33 // Main file is not cached.
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34 EXPECT_FALSE(StatCache.lookup(testPath("main")).hasValue());
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35
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36 llvm::vfs::Status S("fake", llvm::sys::fs::UniqueID(123, 456),
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37 std::chrono::system_clock::now(), 0, 0, 1024,
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38 llvm::sys::fs::file_type::regular_file,
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39 llvm::sys::fs::all_all);
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40 StatCache.update(*FS, S);
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41 auto ConsumeFS = StatCache.getConsumingFS(FS);
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42 auto Cached = ConsumeFS->status(testPath("fake"));
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43 EXPECT_TRUE(Cached);
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44 EXPECT_EQ(Cached->getName(), testPath("fake"));
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45 EXPECT_EQ(Cached->getUniqueID(), S.getUniqueID());
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46
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47 // fake and temp/../fake should hit the same cache entry.
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48 // However, the Status returned reflects the actual path requested.
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49 auto CachedDotDot = ConsumeFS->status(testPath("temp/../fake"));
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50 EXPECT_TRUE(CachedDotDot);
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51 EXPECT_EQ(CachedDotDot->getName(), testPath("temp/../fake"));
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52 EXPECT_EQ(CachedDotDot->getUniqueID(), S.getUniqueID());
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53 }
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54
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55 } // namespace
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56 } // namespace clangd
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57 } // namespace clang
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