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//===- unittests/Basic/FileEntryTest.cpp - Test FileEntry/FileEntryRef ----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/FileEntry.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Support/Path.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace clang {
class FileEntryTestHelper {
StringMap<llvm::ErrorOr<FileEntryRef::MapValue>> Files;
StringMap<llvm::ErrorOr<DirectoryEntry &>> Dirs;
SmallVector<std::unique_ptr<FileEntry>, 5> FEs;
SmallVector<std::unique_ptr<DirectoryEntry>, 5> DEs;
DirectoryEntryRef DR;
public:
FileEntryTestHelper() : DR(addDirectory("dir")) {}
DirectoryEntryRef addDirectory(StringRef Name) {
DEs.emplace_back(new DirectoryEntry());
return DirectoryEntryRef(*Dirs.insert({Name, *DEs.back()}).first);
}
DirectoryEntryRef addDirectoryAlias(StringRef Name, DirectoryEntryRef Base) {
return DirectoryEntryRef(
*Dirs.insert({Name, const_cast<DirectoryEntry &>(Base.getDirEntry())})
.first);
}
FileEntryRef addFile(StringRef Name) {
FEs.emplace_back(new FileEntry());
return FileEntryRef(
*Files.insert({Name, FileEntryRef::MapValue(*FEs.back(), DR)}).first);
}
FileEntryRef addFileAlias(StringRef Name, FileEntryRef Base) {
return FileEntryRef(
*Files
.insert(
{Name, FileEntryRef::MapValue(
const_cast<FileEntry &>(Base.getFileEntry()), DR)})
.first);
}
FileEntryRef addFileRedirect(StringRef Name, FileEntryRef Base) {
auto Dir = addDirectory(llvm::sys::path::parent_path(Name));
return FileEntryRef(
*Files
.insert({Name, FileEntryRef::MapValue(
const_cast<FileEntryRef::MapEntry &>(
Base.getMapEntry()),
Dir)})
.first);
}
};
namespace {
TEST(FileEntryTest, FileEntryRef) {
FileEntryTestHelper Refs;
FileEntryRef R1 = Refs.addFile("1");
FileEntryRef R2 = Refs.addFile("2");
FileEntryRef R1Also = Refs.addFileAlias("1-also", R1);
FileEntryRef R1Redirect = Refs.addFileRedirect("1-redirect", R1);
FileEntryRef R1Redirect2 = Refs.addFileRedirect("1-redirect2", R1Redirect);
EXPECT_EQ("1", R1.getName());
EXPECT_EQ("2", R2.getName());
EXPECT_EQ("1-also", R1Also.getName());
EXPECT_EQ("1", R1Redirect.getName());
EXPECT_EQ("1", R1Redirect2.getName());
EXPECT_EQ("1", R1.getNameAsRequested());
EXPECT_EQ("1-redirect", R1Redirect.getNameAsRequested());
EXPECT_EQ("1-redirect2", R1Redirect2.getNameAsRequested());
EXPECT_NE(&R1.getFileEntry(), &R2.getFileEntry());
EXPECT_EQ(&R1.getFileEntry(), &R1Also.getFileEntry());
EXPECT_EQ(&R1.getFileEntry(), &R1Redirect.getFileEntry());
EXPECT_EQ(&R1Redirect.getFileEntry(), &R1Redirect2.getFileEntry());
const FileEntry *CE1 = R1;
EXPECT_EQ(CE1, &R1.getFileEntry());
}
TEST(FileEntryTest, equals) {
FileEntryTestHelper Refs;
FileEntryRef R1 = Refs.addFile("1");
FileEntryRef R2 = Refs.addFile("2");
FileEntryRef R1Also = Refs.addFileAlias("1-also", R1);
FileEntryRef R1Redirect = Refs.addFileRedirect("1-redirect", R1);
FileEntryRef R1Redirect2 = Refs.addFileRedirect("1-redirect2", R1Redirect);
EXPECT_EQ(R1, &R1.getFileEntry());
EXPECT_EQ(&R1.getFileEntry(), R1);
EXPECT_EQ(R1, R1Also);
EXPECT_NE(R1, &R2.getFileEntry());
EXPECT_NE(&R2.getFileEntry(), R1);
EXPECT_NE(R1, R2);
EXPECT_EQ(R1, R1Redirect);
EXPECT_EQ(R1, R1Redirect2);
}
TEST(FileEntryTest, isSameRef) {
FileEntryTestHelper Refs;
FileEntryRef R1 = Refs.addFile("1");
FileEntryRef R2 = Refs.addFile("2");
FileEntryRef R1Also = Refs.addFileAlias("1-also", R1);
FileEntryRef R1Redirect = Refs.addFileRedirect("1-redirect", R1);
FileEntryRef R1Redirect2 = Refs.addFileRedirect("1-redirect2", R1Redirect);
EXPECT_TRUE(R1.isSameRef(FileEntryRef(R1)));
EXPECT_TRUE(R1.isSameRef(FileEntryRef(R1.getMapEntry())));
EXPECT_FALSE(R1.isSameRef(R2));
EXPECT_FALSE(R1.isSameRef(R1Also));
EXPECT_FALSE(R1.isSameRef(R1Redirect));
EXPECT_FALSE(R1.isSameRef(R1Redirect2));
EXPECT_FALSE(R1Redirect.isSameRef(R1Redirect2));
}
TEST(FileEntryTest, DenseMapInfo) {
FileEntryTestHelper Refs;
FileEntryRef R1 = Refs.addFile("1");
FileEntryRef R2 = Refs.addFile("2");
FileEntryRef R1Also = Refs.addFileAlias("1-also", R1);
// Insert R1Also first and confirm it "wins".
{
SmallDenseSet<FileEntryRef, 8> Set;
Set.insert(R1Also);
Set.insert(R1);
Set.insert(R2);
EXPECT_TRUE(Set.find(R1Also)->isSameRef(R1Also));
EXPECT_TRUE(Set.find(R1)->isSameRef(R1Also));
EXPECT_TRUE(Set.find(R2)->isSameRef(R2));
}
// Insert R1Also second and confirm R1 "wins".
{
SmallDenseSet<FileEntryRef, 8> Set;
Set.insert(R1);
Set.insert(R1Also);
Set.insert(R2);
EXPECT_TRUE(Set.find(R1Also)->isSameRef(R1));
EXPECT_TRUE(Set.find(R1)->isSameRef(R1));
EXPECT_TRUE(Set.find(R2)->isSameRef(R2));
}
// Insert R1Also first and confirm it "wins" when looked up as FileEntry.
{
SmallDenseSet<FileEntryRef, 8> Set;
Set.insert(R1Also);
Set.insert(R1);
Set.insert(R2);
auto R1AlsoIt = Set.find_as(&R1Also.getFileEntry());
ASSERT_TRUE(R1AlsoIt != Set.end());
EXPECT_TRUE(R1AlsoIt->isSameRef(R1Also));
auto R1It = Set.find_as(&R1.getFileEntry());
ASSERT_TRUE(R1It != Set.end());
EXPECT_TRUE(R1It->isSameRef(R1Also));
auto R2It = Set.find_as(&R2.getFileEntry());
ASSERT_TRUE(R2It != Set.end());
EXPECT_TRUE(R2It->isSameRef(R2));
}
// Insert R1Also second and confirm R1 "wins" when looked up as FileEntry.
{
SmallDenseSet<FileEntryRef, 8> Set;
Set.insert(R1);
Set.insert(R1Also);
Set.insert(R2);
auto R1AlsoIt = Set.find_as(&R1Also.getFileEntry());
ASSERT_TRUE(R1AlsoIt != Set.end());
EXPECT_TRUE(R1AlsoIt->isSameRef(R1));
auto R1It = Set.find_as(&R1.getFileEntry());
ASSERT_TRUE(R1It != Set.end());
EXPECT_TRUE(R1It->isSameRef(R1));
auto R2It = Set.find_as(&R2.getFileEntry());
ASSERT_TRUE(R2It != Set.end());
EXPECT_TRUE(R2It->isSameRef(R2));
}
}
TEST(DirectoryEntryTest, isSameRef) {
FileEntryTestHelper Refs;
DirectoryEntryRef R1 = Refs.addDirectory("1");
DirectoryEntryRef R2 = Refs.addDirectory("2");
DirectoryEntryRef R1Also = Refs.addDirectoryAlias("1-also", R1);
EXPECT_TRUE(R1.isSameRef(DirectoryEntryRef(R1)));
EXPECT_TRUE(R1.isSameRef(DirectoryEntryRef(R1.getMapEntry())));
EXPECT_FALSE(R1.isSameRef(R2));
EXPECT_FALSE(R1.isSameRef(R1Also));
}
TEST(DirectoryEntryTest, DenseMapInfo) {
FileEntryTestHelper Refs;
DirectoryEntryRef R1 = Refs.addDirectory("1");
DirectoryEntryRef R2 = Refs.addDirectory("2");
DirectoryEntryRef R1Also = Refs.addDirectoryAlias("1-also", R1);
// Insert R1Also first and confirm it "wins".
{
SmallDenseSet<DirectoryEntryRef, 8> Set;
Set.insert(R1Also);
Set.insert(R1);
Set.insert(R2);
EXPECT_TRUE(Set.find(R1Also)->isSameRef(R1Also));
EXPECT_TRUE(Set.find(R1)->isSameRef(R1Also));
EXPECT_TRUE(Set.find(R2)->isSameRef(R2));
}
// Insert R1Also second and confirm R1 "wins".
{
SmallDenseSet<DirectoryEntryRef, 8> Set;
Set.insert(R1);
Set.insert(R1Also);
Set.insert(R2);
EXPECT_TRUE(Set.find(R1Also)->isSameRef(R1));
EXPECT_TRUE(Set.find(R1)->isSameRef(R1));
EXPECT_TRUE(Set.find(R2)->isSameRef(R2));
}
}
} // end namespace
} // namespace clang
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