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-rw-r--r--unittests/Support/Path.cpp253
1 files changed, 253 insertions, 0 deletions
diff --git a/unittests/Support/Path.cpp b/unittests/Support/Path.cpp
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+++ b/unittests/Support/Path.cpp
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+//===- llvm/unittest/Support/Path.cpp - Path tests ------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/PathV2.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+
+#include "gtest/gtest.h"
+
+using namespace llvm;
+using namespace llvm::sys;
+
+#define ASSERT_NO_ERROR(x) \
+ if (error_code ASSERT_NO_ERROR_ec = x) { \
+ SmallString<128> MessageStorage; \
+ raw_svector_ostream Message(MessageStorage); \
+ Message << #x ": did not return errc::success.\n" \
+ << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
+ << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
+ GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
+ } else {}
+
+namespace {
+
+TEST(is_separator, Works) {
+ EXPECT_TRUE(path::is_separator('/'));
+ EXPECT_FALSE(path::is_separator('\0'));
+ EXPECT_FALSE(path::is_separator('-'));
+ EXPECT_FALSE(path::is_separator(' '));
+
+#ifdef LLVM_ON_WIN32
+ EXPECT_TRUE(path::is_separator('\\'));
+#else
+ EXPECT_FALSE(path::is_separator('\\'));
+#endif
+}
+
+TEST(Support, Path) {
+ SmallVector<StringRef, 40> paths;
+ paths.push_back("");
+ paths.push_back(".");
+ paths.push_back("..");
+ paths.push_back("foo");
+ paths.push_back("/");
+ paths.push_back("/foo");
+ paths.push_back("foo/");
+ paths.push_back("/foo/");
+ paths.push_back("foo/bar");
+ paths.push_back("/foo/bar");
+ paths.push_back("//net");
+ paths.push_back("//net/foo");
+ paths.push_back("///foo///");
+ paths.push_back("///foo///bar");
+ paths.push_back("/.");
+ paths.push_back("./");
+ paths.push_back("/..");
+ paths.push_back("../");
+ paths.push_back("foo/.");
+ paths.push_back("foo/..");
+ paths.push_back("foo/./");
+ paths.push_back("foo/./bar");
+ paths.push_back("foo/..");
+ paths.push_back("foo/../");
+ paths.push_back("foo/../bar");
+ paths.push_back("c:");
+ paths.push_back("c:/");
+ paths.push_back("c:foo");
+ paths.push_back("c:/foo");
+ paths.push_back("c:foo/");
+ paths.push_back("c:/foo/");
+ paths.push_back("c:/foo/bar");
+ paths.push_back("prn:");
+ paths.push_back("c:\\");
+ paths.push_back("c:foo");
+ paths.push_back("c:\\foo");
+ paths.push_back("c:foo\\");
+ paths.push_back("c:\\foo\\");
+ paths.push_back("c:\\foo/");
+ paths.push_back("c:/foo\\bar");
+
+ for (SmallVector<StringRef, 40>::const_iterator i = paths.begin(),
+ e = paths.end();
+ i != e;
+ ++i) {
+ for (sys::path::const_iterator ci = sys::path::begin(*i),
+ ce = sys::path::end(*i);
+ ci != ce;
+ ++ci) {
+ ASSERT_FALSE(ci->empty());
+ }
+
+#if 0 // Valgrind is whining about this.
+ outs() << " Reverse Iteration: [";
+ for (sys::path::reverse_iterator ci = sys::path::rbegin(*i),
+ ce = sys::path::rend(*i);
+ ci != ce;
+ ++ci) {
+ outs() << *ci << ',';
+ }
+ outs() << "]\n";
+#endif
+
+ path::has_root_path(*i);
+ path::root_path(*i);
+ path::has_root_name(*i);
+ path::root_name(*i);
+ path::has_root_directory(*i);
+ path::root_directory(*i);
+ path::has_parent_path(*i);
+ path::parent_path(*i);
+ path::has_filename(*i);
+ path::filename(*i);
+ path::has_stem(*i);
+ path::stem(*i);
+ path::has_extension(*i);
+ path::extension(*i);
+ path::is_absolute(*i);
+ path::is_relative(*i);
+
+ SmallString<128> temp_store;
+ temp_store = *i;
+ ASSERT_NO_ERROR(fs::make_absolute(temp_store));
+ temp_store = *i;
+ path::remove_filename(temp_store);
+
+ temp_store = *i;
+ path::replace_extension(temp_store, "ext");
+ StringRef filename(temp_store.begin(), temp_store.size()), stem, ext;
+ stem = path::stem(filename);
+ ext = path::extension(filename);
+ EXPECT_EQ(*(--sys::path::end(filename)), (stem + ext).str());
+
+ path::native(*i, temp_store);
+ }
+}
+
+class FileSystemTest : public testing::Test {
+protected:
+ /// Unique temporary directory in which all created filesystem entities must
+ /// be placed. It is recursively removed at the end of each test.
+ SmallString<128> TestDirectory;
+
+ virtual void SetUp() {
+ int fd;
+ ASSERT_NO_ERROR(
+ fs::unique_file("file-system-test-%%-%%-%%-%%/test-directory.anchor", fd,
+ TestDirectory));
+ // We don't care about this specific file.
+ ::close(fd);
+ TestDirectory = path::parent_path(TestDirectory);
+ errs() << "Test Directory: " << TestDirectory << '\n';
+ errs().flush();
+ }
+
+ virtual void TearDown() {
+ uint32_t removed;
+ ASSERT_NO_ERROR(fs::remove_all(TestDirectory.str(), removed));
+ }
+};
+
+TEST_F(FileSystemTest, TempFiles) {
+ // Create a temp file.
+ int FileDescriptor;
+ SmallString<64> TempPath;
+ ASSERT_NO_ERROR(
+ fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
+
+ // Make sure it exists.
+ bool TempFileExists;
+ ASSERT_NO_ERROR(sys::fs::exists(Twine(TempPath), TempFileExists));
+ EXPECT_TRUE(TempFileExists);
+
+ // Create another temp tile.
+ int FD2;
+ SmallString<64> TempPath2;
+ ASSERT_NO_ERROR(fs::unique_file("%%-%%-%%-%%.temp", FD2, TempPath2));
+ ASSERT_NE(TempPath.str(), TempPath2.str());
+
+ // Try to copy the first to the second.
+ EXPECT_EQ(
+ fs::copy_file(Twine(TempPath), Twine(TempPath2)), errc::file_exists);
+
+ ::close(FD2);
+ // Try again with the proper options.
+ ASSERT_NO_ERROR(fs::copy_file(Twine(TempPath), Twine(TempPath2),
+ fs::copy_option::overwrite_if_exists));
+ // Remove Temp2.
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists));
+ EXPECT_TRUE(TempFileExists);
+
+ // Make sure Temp2 doesn't exist.
+ ASSERT_NO_ERROR(fs::exists(Twine(TempPath2), TempFileExists));
+ EXPECT_FALSE(TempFileExists);
+
+ // Create a hard link to Temp1.
+ ASSERT_NO_ERROR(fs::create_hard_link(Twine(TempPath), Twine(TempPath2)));
+ bool equal;
+ ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
+ EXPECT_TRUE(equal);
+
+ // Remove Temp1.
+ ::close(FileDescriptor);
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath), TempFileExists));
+ EXPECT_TRUE(TempFileExists);
+
+ // Remove the hard link.
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists));
+ EXPECT_TRUE(TempFileExists);
+
+ // Make sure Temp1 doesn't exist.
+ ASSERT_NO_ERROR(fs::exists(Twine(TempPath), TempFileExists));
+ EXPECT_FALSE(TempFileExists);
+}
+
+TEST_F(FileSystemTest, DirectoryIteration) {
+ error_code ec;
+ for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec))
+ ASSERT_NO_ERROR(ec);
+}
+
+TEST_F(FileSystemTest, Magic) {
+ struct type {
+ const char *filename;
+ const char *magic_str;
+ size_t magic_str_len;
+ } types [] = {{"magic.archive", "!<arch>\x0A", 8}};
+
+ // Create some files filled with magic.
+ for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e;
+ ++i) {
+ SmallString<128> file_pathname(TestDirectory);
+ path::append(file_pathname, i->filename);
+ std::string ErrMsg;
+ raw_fd_ostream file(file_pathname.c_str(), ErrMsg,
+ raw_fd_ostream::F_Binary);
+ ASSERT_FALSE(file.has_error());
+ StringRef magic(i->magic_str, i->magic_str_len);
+ file << magic;
+ file.close();
+ bool res = false;
+ ASSERT_NO_ERROR(fs::has_magic(file_pathname.c_str(), magic, res));
+ EXPECT_TRUE(res);
+ }
+}
+
+} // anonymous namespace
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