+
+ SmallString<32> Relative("foo.cpp");
+ ASSERT_NO_ERROR(sys::fs::make_absolute("/root", Relative));
+ Relative[5] = '/'; // Fix up windows paths.
+ ASSERT_EQ("/root/foo.cpp", Relative);
+}
+
+TEST(Support, RelativePathIterator) {
+ SmallString<64> Path(StringRef("c/d/e/foo.txt"));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, RelativePathDotIterator) {
+ SmallString<64> Path(StringRef(".c/.d/../."));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, AbsolutePathIterator) {
+ SmallString<64> Path(StringRef("/c/d/e/foo.txt"));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ // The root path will also be a component when iterating
+ ExpectedPathComponents[0] = "/";
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, AbsolutePathDotIterator) {
+ SmallString<64> Path(StringRef("/.c/.d/../."));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ // The root path will also be a component when iterating
+ ExpectedPathComponents[0] = "/";
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+#ifdef LLVM_ON_WIN32
+TEST(Support, AbsolutePathIteratorWin32) {
+ SmallString<64> Path(StringRef("c:\\c\\e\\foo.txt"));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, "\\");
+
+ // The root path (which comes after the drive name) will also be a component
+ // when iterating.
+ ExpectedPathComponents.insert(ExpectedPathComponents.begin()+1, "\\");
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+#endif // LLVM_ON_WIN32
+
+TEST(Support, AbsolutePathIteratorEnd) {
+ // Trailing slashes are converted to '.' unless they are part of the root path.
+ SmallVector<StringRef, 4> Paths;
+ Paths.push_back("/foo/");
+ Paths.push_back("/foo//");
+ Paths.push_back("//net//");
+#ifdef LLVM_ON_WIN32
+ Paths.push_back("c:\\\\");
+#endif
+
+ for (StringRef Path : Paths) {
+ StringRef LastComponent = *path::rbegin(Path);
+ EXPECT_EQ(".", LastComponent);
+ }
+
+ SmallVector<StringRef, 3> RootPaths;
+ RootPaths.push_back("/");
+ RootPaths.push_back("//net/");
+#ifdef LLVM_ON_WIN32
+ RootPaths.push_back("c:\\");
+#endif
+
+ for (StringRef Path : RootPaths) {
+ StringRef LastComponent = *path::rbegin(Path);
+ EXPECT_EQ(1u, LastComponent.size());
+ EXPECT_TRUE(path::is_separator(LastComponent[0]));
+ }
+}
+
+TEST(Support, HomeDirectory) {
+ std::string expected;
+#ifdef LLVM_ON_WIN32
+ if (wchar_t const *path = ::_wgetenv(L"USERPROFILE")) {
+ auto pathLen = ::wcslen(path);
+ ArrayRef<char> ref{reinterpret_cast<char const *>(path),
+ pathLen * sizeof(wchar_t)};
+ convertUTF16ToUTF8String(ref, expected);
+ }
+#else
+ if (char const *path = ::getenv("HOME"))
+ expected = path;
+#endif
+ // Do not try to test it if we don't know what to expect.
+ // On Windows we use something better than env vars.
+ if (!expected.empty()) {
+ SmallString<128> HomeDir;
+ auto status = path::home_directory(HomeDir);
+ EXPECT_TRUE(status);
+ EXPECT_EQ(expected, HomeDir);
+ }
+}
+
+TEST(Support, UserCacheDirectory) {
+ SmallString<13> CacheDir;
+ SmallString<20> CacheDir2;
+ auto Status = path::user_cache_directory(CacheDir, "");
+ EXPECT_TRUE(Status ^ CacheDir.empty());
+
+ if (Status) {
+ EXPECT_TRUE(path::user_cache_directory(CacheDir2, "")); // should succeed
+ EXPECT_EQ(CacheDir, CacheDir2); // and return same paths
+
+ EXPECT_TRUE(path::user_cache_directory(CacheDir, "A", "B", "file.c"));
+ auto It = path::rbegin(CacheDir);
+ EXPECT_EQ("file.c", *It);
+ EXPECT_EQ("B", *++It);
+ EXPECT_EQ("A", *++It);
+ auto ParentDir = *++It;
+
+ // Test Unicode: "<user_cache_dir>/(pi)r^2/aleth.0"
+ EXPECT_TRUE(path::user_cache_directory(CacheDir2, "\xCF\x80r\xC2\xB2",
+ "\xE2\x84\xB5.0"));
+ auto It2 = path::rbegin(CacheDir2);
+ EXPECT_EQ("\xE2\x84\xB5.0", *It2);
+ EXPECT_EQ("\xCF\x80r\xC2\xB2", *++It2);
+ auto ParentDir2 = *++It2;
+
+ EXPECT_EQ(ParentDir, ParentDir2);
+ }