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c16fc54851
The patch is generated using clang-tidy misc-use-override check.
This command was used:
tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \
-checks='-*,misc-use-override' -header-filter='llvm|clang' \
-j=32 -fix -format
http://reviews.llvm.org/D8925
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234679 91177308-0d34-0410-b5e6-96231b3b80d8
769 lines
26 KiB
C++
769 lines
26 KiB
C++
//===- llvm/unittest/Support/Path.cpp - Path tests ------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Errc.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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#ifdef LLVM_ON_WIN32
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#include <Windows.h>
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#include <winerror.h>
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#endif
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using namespace llvm;
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using namespace llvm::sys;
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#define ASSERT_NO_ERROR(x) \
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if (std::error_code ASSERT_NO_ERROR_ec = x) { \
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SmallString<128> MessageStorage; \
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raw_svector_ostream Message(MessageStorage); \
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Message << #x ": did not return errc::success.\n" \
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<< "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
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<< "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
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GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
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} else { \
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}
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namespace {
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TEST(is_separator, Works) {
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EXPECT_TRUE(path::is_separator('/'));
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EXPECT_FALSE(path::is_separator('\0'));
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EXPECT_FALSE(path::is_separator('-'));
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EXPECT_FALSE(path::is_separator(' '));
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#ifdef LLVM_ON_WIN32
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EXPECT_TRUE(path::is_separator('\\'));
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#else
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EXPECT_FALSE(path::is_separator('\\'));
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#endif
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}
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TEST(Support, Path) {
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SmallVector<StringRef, 40> paths;
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paths.push_back("");
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paths.push_back(".");
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paths.push_back("..");
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paths.push_back("foo");
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paths.push_back("/");
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paths.push_back("/foo");
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paths.push_back("foo/");
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paths.push_back("/foo/");
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paths.push_back("foo/bar");
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paths.push_back("/foo/bar");
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paths.push_back("//net");
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paths.push_back("//net/foo");
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paths.push_back("///foo///");
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paths.push_back("///foo///bar");
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paths.push_back("/.");
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paths.push_back("./");
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paths.push_back("/..");
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paths.push_back("../");
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paths.push_back("foo/.");
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paths.push_back("foo/..");
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paths.push_back("foo/./");
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paths.push_back("foo/./bar");
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paths.push_back("foo/..");
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paths.push_back("foo/../");
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paths.push_back("foo/../bar");
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paths.push_back("c:");
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paths.push_back("c:/");
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paths.push_back("c:foo");
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paths.push_back("c:/foo");
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paths.push_back("c:foo/");
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paths.push_back("c:/foo/");
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paths.push_back("c:/foo/bar");
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paths.push_back("prn:");
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paths.push_back("c:\\");
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paths.push_back("c:foo");
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paths.push_back("c:\\foo");
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paths.push_back("c:foo\\");
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paths.push_back("c:\\foo\\");
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paths.push_back("c:\\foo/");
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paths.push_back("c:/foo\\bar");
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SmallVector<StringRef, 5> ComponentStack;
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for (SmallVector<StringRef, 40>::const_iterator i = paths.begin(),
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e = paths.end();
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i != e;
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++i) {
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for (sys::path::const_iterator ci = sys::path::begin(*i),
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ce = sys::path::end(*i);
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ci != ce;
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++ci) {
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ASSERT_FALSE(ci->empty());
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ComponentStack.push_back(*ci);
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}
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for (sys::path::reverse_iterator ci = sys::path::rbegin(*i),
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ce = sys::path::rend(*i);
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ci != ce;
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++ci) {
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ASSERT_TRUE(*ci == ComponentStack.back());
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ComponentStack.pop_back();
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}
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ASSERT_TRUE(ComponentStack.empty());
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path::has_root_path(*i);
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path::root_path(*i);
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path::has_root_name(*i);
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path::root_name(*i);
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path::has_root_directory(*i);
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path::root_directory(*i);
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path::has_parent_path(*i);
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path::parent_path(*i);
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path::has_filename(*i);
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path::filename(*i);
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path::has_stem(*i);
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path::stem(*i);
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path::has_extension(*i);
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path::extension(*i);
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path::is_absolute(*i);
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path::is_relative(*i);
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SmallString<128> temp_store;
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temp_store = *i;
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ASSERT_NO_ERROR(fs::make_absolute(temp_store));
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temp_store = *i;
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path::remove_filename(temp_store);
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temp_store = *i;
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path::replace_extension(temp_store, "ext");
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StringRef filename(temp_store.begin(), temp_store.size()), stem, ext;
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stem = path::stem(filename);
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ext = path::extension(filename);
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EXPECT_EQ(*sys::path::rbegin(filename), (stem + ext).str());
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path::native(*i, temp_store);
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}
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}
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TEST(Support, RelativePathIterator) {
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SmallString<64> Path(StringRef("c/d/e/foo.txt"));
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typedef SmallVector<StringRef, 4> PathComponents;
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PathComponents ExpectedPathComponents;
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PathComponents ActualPathComponents;
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StringRef(Path).split(ExpectedPathComponents, "/");
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for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
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++I) {
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ActualPathComponents.push_back(*I);
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}
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ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
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for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
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EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
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}
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}
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TEST(Support, RelativePathDotIterator) {
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SmallString<64> Path(StringRef(".c/.d/../."));
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typedef SmallVector<StringRef, 4> PathComponents;
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PathComponents ExpectedPathComponents;
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PathComponents ActualPathComponents;
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StringRef(Path).split(ExpectedPathComponents, "/");
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for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
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++I) {
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ActualPathComponents.push_back(*I);
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}
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ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
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for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
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EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
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}
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}
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TEST(Support, AbsolutePathIterator) {
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SmallString<64> Path(StringRef("/c/d/e/foo.txt"));
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typedef SmallVector<StringRef, 4> PathComponents;
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PathComponents ExpectedPathComponents;
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PathComponents ActualPathComponents;
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StringRef(Path).split(ExpectedPathComponents, "/");
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// The root path will also be a component when iterating
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ExpectedPathComponents[0] = "/";
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for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
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++I) {
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ActualPathComponents.push_back(*I);
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}
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ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
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for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
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EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
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}
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}
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TEST(Support, AbsolutePathDotIterator) {
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SmallString<64> Path(StringRef("/.c/.d/../."));
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typedef SmallVector<StringRef, 4> PathComponents;
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PathComponents ExpectedPathComponents;
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PathComponents ActualPathComponents;
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StringRef(Path).split(ExpectedPathComponents, "/");
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// The root path will also be a component when iterating
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ExpectedPathComponents[0] = "/";
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for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
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++I) {
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ActualPathComponents.push_back(*I);
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}
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ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
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for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
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EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
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}
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}
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#ifdef LLVM_ON_WIN32
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TEST(Support, AbsolutePathIteratorWin32) {
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SmallString<64> Path(StringRef("c:\\c\\e\\foo.txt"));
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typedef SmallVector<StringRef, 4> PathComponents;
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PathComponents ExpectedPathComponents;
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PathComponents ActualPathComponents;
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StringRef(Path).split(ExpectedPathComponents, "\\");
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// The root path (which comes after the drive name) will also be a component
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// when iterating.
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ExpectedPathComponents.insert(ExpectedPathComponents.begin()+1, "\\");
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for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
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++I) {
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ActualPathComponents.push_back(*I);
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}
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ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
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for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
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EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
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}
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}
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#endif // LLVM_ON_WIN32
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TEST(Support, AbsolutePathIteratorEnd) {
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// Trailing slashes are converted to '.' unless they are part of the root path.
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SmallVector<StringRef, 4> Paths;
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Paths.push_back("/foo/");
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Paths.push_back("/foo//");
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Paths.push_back("//net//");
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#ifdef LLVM_ON_WIN32
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Paths.push_back("c:\\\\");
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#endif
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for (StringRef Path : Paths) {
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StringRef LastComponent = *path::rbegin(Path);
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EXPECT_EQ(".", LastComponent);
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}
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SmallVector<StringRef, 3> RootPaths;
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RootPaths.push_back("/");
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RootPaths.push_back("//net/");
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#ifdef LLVM_ON_WIN32
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RootPaths.push_back("c:\\");
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#endif
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for (StringRef Path : RootPaths) {
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StringRef LastComponent = *path::rbegin(Path);
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EXPECT_EQ(1u, LastComponent.size());
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EXPECT_TRUE(path::is_separator(LastComponent[0]));
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}
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}
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TEST(Support, HomeDirectory) {
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#ifdef LLVM_ON_UNIX
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// This test only makes sense on Unix if $HOME is set.
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if (::getenv("HOME")) {
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#endif
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SmallString<128> HomeDir;
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EXPECT_TRUE(path::home_directory(HomeDir));
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EXPECT_FALSE(HomeDir.empty());
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#ifdef LLVM_ON_UNIX
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}
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#endif
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}
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class FileSystemTest : public testing::Test {
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protected:
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/// Unique temporary directory in which all created filesystem entities must
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/// be placed. It is removed at the end of each test (must be empty).
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SmallString<128> TestDirectory;
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void SetUp() override {
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ASSERT_NO_ERROR(
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fs::createUniqueDirectory("file-system-test", TestDirectory));
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// We don't care about this specific file.
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errs() << "Test Directory: " << TestDirectory << '\n';
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errs().flush();
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}
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void TearDown() override { ASSERT_NO_ERROR(fs::remove(TestDirectory.str())); }
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};
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TEST_F(FileSystemTest, Unique) {
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// Create a temp file.
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int FileDescriptor;
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SmallString<64> TempPath;
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ASSERT_NO_ERROR(
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fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
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// The same file should return an identical unique id.
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fs::UniqueID F1, F2;
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ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F1));
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ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F2));
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ASSERT_EQ(F1, F2);
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// Different files should return different unique ids.
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int FileDescriptor2;
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SmallString<64> TempPath2;
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ASSERT_NO_ERROR(
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fs::createTemporaryFile("prefix", "temp", FileDescriptor2, TempPath2));
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fs::UniqueID D;
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ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D));
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ASSERT_NE(D, F1);
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::close(FileDescriptor2);
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ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
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// Two paths representing the same file on disk should still provide the
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// same unique id. We can test this by making a hard link.
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ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
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fs::UniqueID D2;
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ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D2));
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ASSERT_EQ(D2, F1);
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::close(FileDescriptor);
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SmallString<128> Dir1;
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ASSERT_NO_ERROR(
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fs::createUniqueDirectory("dir1", Dir1));
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ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F1));
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ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F2));
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ASSERT_EQ(F1, F2);
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SmallString<128> Dir2;
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ASSERT_NO_ERROR(
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fs::createUniqueDirectory("dir2", Dir2));
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ASSERT_NO_ERROR(fs::getUniqueID(Dir2.c_str(), F2));
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ASSERT_NE(F1, F2);
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}
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TEST_F(FileSystemTest, TempFiles) {
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// Create a temp file.
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int FileDescriptor;
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SmallString<64> TempPath;
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ASSERT_NO_ERROR(
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fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
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// Make sure it exists.
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ASSERT_TRUE(sys::fs::exists(Twine(TempPath)));
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// Create another temp tile.
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int FD2;
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SmallString<64> TempPath2;
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ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD2, TempPath2));
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ASSERT_TRUE(TempPath2.endswith(".temp"));
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ASSERT_NE(TempPath.str(), TempPath2.str());
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fs::file_status A, B;
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ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
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ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
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EXPECT_FALSE(fs::equivalent(A, B));
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::close(FD2);
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// Remove Temp2.
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ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
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ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
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ASSERT_EQ(fs::remove(Twine(TempPath2), false),
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errc::no_such_file_or_directory);
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std::error_code EC = fs::status(TempPath2.c_str(), B);
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EXPECT_EQ(EC, errc::no_such_file_or_directory);
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EXPECT_EQ(B.type(), fs::file_type::file_not_found);
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// Make sure Temp2 doesn't exist.
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ASSERT_EQ(fs::access(Twine(TempPath2), sys::fs::AccessMode::Exist),
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errc::no_such_file_or_directory);
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SmallString<64> TempPath3;
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ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "", TempPath3));
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ASSERT_FALSE(TempPath3.endswith("."));
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// Create a hard link to Temp1.
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ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
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bool equal;
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ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
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EXPECT_TRUE(equal);
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ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
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ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
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EXPECT_TRUE(fs::equivalent(A, B));
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// Remove Temp1.
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::close(FileDescriptor);
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ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
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// Remove the hard link.
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ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
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// Make sure Temp1 doesn't exist.
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ASSERT_EQ(fs::access(Twine(TempPath), sys::fs::AccessMode::Exist),
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errc::no_such_file_or_directory);
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#ifdef LLVM_ON_WIN32
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// Path name > 260 chars should get an error.
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const char *Path270 =
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"abcdefghijklmnopqrstuvwxyz9abcdefghijklmnopqrstuvwxyz8"
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"abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
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"abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
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"abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
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"abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
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EXPECT_EQ(fs::createUniqueFile(Path270, FileDescriptor, TempPath),
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errc::invalid_argument);
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// Relative path < 247 chars, no problem.
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const char *Path216 =
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"abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
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"abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
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"abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
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"abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
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ASSERT_NO_ERROR(fs::createTemporaryFile(Path216, "", TempPath));
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ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
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#endif
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}
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TEST_F(FileSystemTest, CreateDir) {
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ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
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ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
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ASSERT_EQ(fs::create_directory(Twine(TestDirectory) + "foo", false),
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errc::file_exists);
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ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "foo"));
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#ifdef LLVM_ON_WIN32
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// Prove that create_directories() can handle a pathname > 248 characters,
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// which is the documented limit for CreateDirectory().
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// (248 is MAX_PATH subtracting room for an 8.3 filename.)
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// Generate a directory path guaranteed to fall into that range.
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size_t TmpLen = TestDirectory.size();
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const char *OneDir = "\\123456789";
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size_t OneDirLen = strlen(OneDir);
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|
ASSERT_LT(OneDirLen, 12U);
|
|
size_t NLevels = ((248 - TmpLen) / OneDirLen) + 1;
|
|
SmallString<260> LongDir(TestDirectory);
|
|
for (size_t I = 0; I < NLevels; ++I)
|
|
LongDir.append(OneDir);
|
|
ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
|
|
ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
|
|
ASSERT_EQ(fs::create_directories(Twine(LongDir), false),
|
|
errc::file_exists);
|
|
// Tidy up, "recursively" removing the directories.
|
|
StringRef ThisDir(LongDir);
|
|
for (size_t J = 0; J < NLevels; ++J) {
|
|
ASSERT_NO_ERROR(fs::remove(ThisDir));
|
|
ThisDir = path::parent_path(ThisDir);
|
|
}
|
|
|
|
// Similarly for a relative pathname. Need to set the current directory to
|
|
// TestDirectory so that the one we create ends up in the right place.
|
|
char PreviousDir[260];
|
|
size_t PreviousDirLen = ::GetCurrentDirectoryA(260, PreviousDir);
|
|
ASSERT_GT(PreviousDirLen, 0U);
|
|
ASSERT_LT(PreviousDirLen, 260U);
|
|
ASSERT_NE(::SetCurrentDirectoryA(TestDirectory.c_str()), 0);
|
|
LongDir.clear();
|
|
// Generate a relative directory name with absolute length > 248.
|
|
size_t LongDirLen = 249 - TestDirectory.size();
|
|
LongDir.assign(LongDirLen, 'a');
|
|
ASSERT_NO_ERROR(fs::create_directory(Twine(LongDir)));
|
|
// While we're here, prove that .. and . handling works in these long paths.
|
|
const char *DotDotDirs = "\\..\\.\\b";
|
|
LongDir.append(DotDotDirs);
|
|
ASSERT_NO_ERROR(fs::create_directory("b"));
|
|
ASSERT_EQ(fs::create_directory(Twine(LongDir), false), errc::file_exists);
|
|
// And clean up.
|
|
ASSERT_NO_ERROR(fs::remove("b"));
|
|
ASSERT_NO_ERROR(fs::remove(
|
|
Twine(LongDir.substr(0, LongDir.size() - strlen(DotDotDirs)))));
|
|
ASSERT_NE(::SetCurrentDirectoryA(PreviousDir), 0);
|
|
#endif
|
|
}
|
|
|
|
TEST_F(FileSystemTest, DirectoryIteration) {
|
|
std::error_code ec;
|
|
for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec))
|
|
ASSERT_NO_ERROR(ec);
|
|
|
|
// Create a known hierarchy to recurse over.
|
|
ASSERT_NO_ERROR(
|
|
fs::create_directories(Twine(TestDirectory) + "/recursive/a0/aa1"));
|
|
ASSERT_NO_ERROR(
|
|
fs::create_directories(Twine(TestDirectory) + "/recursive/a0/ab1"));
|
|
ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory) +
|
|
"/recursive/dontlookhere/da1"));
|
|
ASSERT_NO_ERROR(
|
|
fs::create_directories(Twine(TestDirectory) + "/recursive/z0/za1"));
|
|
ASSERT_NO_ERROR(
|
|
fs::create_directories(Twine(TestDirectory) + "/recursive/pop/p1"));
|
|
typedef std::vector<std::string> v_t;
|
|
v_t visited;
|
|
for (fs::recursive_directory_iterator i(Twine(TestDirectory)
|
|
+ "/recursive", ec), e; i != e; i.increment(ec)){
|
|
ASSERT_NO_ERROR(ec);
|
|
if (path::filename(i->path()) == "p1") {
|
|
i.pop();
|
|
// FIXME: recursive_directory_iterator should be more robust.
|
|
if (i == e) break;
|
|
}
|
|
if (path::filename(i->path()) == "dontlookhere")
|
|
i.no_push();
|
|
visited.push_back(path::filename(i->path()));
|
|
}
|
|
v_t::const_iterator a0 = std::find(visited.begin(), visited.end(), "a0");
|
|
v_t::const_iterator aa1 = std::find(visited.begin(), visited.end(), "aa1");
|
|
v_t::const_iterator ab1 = std::find(visited.begin(), visited.end(), "ab1");
|
|
v_t::const_iterator dontlookhere = std::find(visited.begin(), visited.end(),
|
|
"dontlookhere");
|
|
v_t::const_iterator da1 = std::find(visited.begin(), visited.end(), "da1");
|
|
v_t::const_iterator z0 = std::find(visited.begin(), visited.end(), "z0");
|
|
v_t::const_iterator za1 = std::find(visited.begin(), visited.end(), "za1");
|
|
v_t::const_iterator pop = std::find(visited.begin(), visited.end(), "pop");
|
|
v_t::const_iterator p1 = std::find(visited.begin(), visited.end(), "p1");
|
|
|
|
// Make sure that each path was visited correctly.
|
|
ASSERT_NE(a0, visited.end());
|
|
ASSERT_NE(aa1, visited.end());
|
|
ASSERT_NE(ab1, visited.end());
|
|
ASSERT_NE(dontlookhere, visited.end());
|
|
ASSERT_EQ(da1, visited.end()); // Not visited.
|
|
ASSERT_NE(z0, visited.end());
|
|
ASSERT_NE(za1, visited.end());
|
|
ASSERT_NE(pop, visited.end());
|
|
ASSERT_EQ(p1, visited.end()); // Not visited.
|
|
|
|
// Make sure that parents were visited before children. No other ordering
|
|
// guarantees can be made across siblings.
|
|
ASSERT_LT(a0, aa1);
|
|
ASSERT_LT(a0, ab1);
|
|
ASSERT_LT(z0, za1);
|
|
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/aa1"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/ab1"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0"));
|
|
ASSERT_NO_ERROR(
|
|
fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere/da1"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop/p1"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0/za1"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0"));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive"));
|
|
}
|
|
|
|
const char archive[] = "!<arch>\x0A";
|
|
const char bitcode[] = "\xde\xc0\x17\x0b";
|
|
const char coff_object[] = "\x00\x00......";
|
|
const char coff_bigobj[] = "\x00\x00\xff\xff\x00\x02......"
|
|
"\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8";
|
|
const char coff_import_library[] = "\x00\x00\xff\xff....";
|
|
const char elf_relocatable[] = { 0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 1 };
|
|
const char macho_universal_binary[] = "\xca\xfe\xba\xbe...\0x00";
|
|
const char macho_object[] = "\xfe\xed\xfa\xce..........\x00\x01";
|
|
const char macho_executable[] = "\xfe\xed\xfa\xce..........\x00\x02";
|
|
const char macho_fixed_virtual_memory_shared_lib[] =
|
|
"\xfe\xed\xfa\xce..........\x00\x03";
|
|
const char macho_core[] = "\xfe\xed\xfa\xce..........\x00\x04";
|
|
const char macho_preload_executable[] = "\xfe\xed\xfa\xce..........\x00\x05";
|
|
const char macho_dynamically_linked_shared_lib[] =
|
|
"\xfe\xed\xfa\xce..........\x00\x06";
|
|
const char macho_dynamic_linker[] = "\xfe\xed\xfa\xce..........\x00\x07";
|
|
const char macho_bundle[] = "\xfe\xed\xfa\xce..........\x00\x08";
|
|
const char macho_dsym_companion[] = "\xfe\xed\xfa\xce..........\x00\x0a";
|
|
const char macho_kext_bundle[] = "\xfe\xed\xfa\xce..........\x00\x0b";
|
|
const char windows_resource[] = "\x00\x00\x00\x00\x020\x00\x00\x00\xff";
|
|
const char macho_dynamically_linked_shared_lib_stub[] =
|
|
"\xfe\xed\xfa\xce..........\x00\x09";
|
|
|
|
TEST_F(FileSystemTest, Magic) {
|
|
struct type {
|
|
const char *filename;
|
|
const char *magic_str;
|
|
size_t magic_str_len;
|
|
fs::file_magic magic;
|
|
} types[] = {
|
|
#define DEFINE(magic) \
|
|
{ #magic, magic, sizeof(magic), fs::file_magic::magic }
|
|
DEFINE(archive),
|
|
DEFINE(bitcode),
|
|
DEFINE(coff_object),
|
|
{ "coff_bigobj", coff_bigobj, sizeof(coff_bigobj), fs::file_magic::coff_object },
|
|
DEFINE(coff_import_library),
|
|
DEFINE(elf_relocatable),
|
|
DEFINE(macho_universal_binary),
|
|
DEFINE(macho_object),
|
|
DEFINE(macho_executable),
|
|
DEFINE(macho_fixed_virtual_memory_shared_lib),
|
|
DEFINE(macho_core),
|
|
DEFINE(macho_preload_executable),
|
|
DEFINE(macho_dynamically_linked_shared_lib),
|
|
DEFINE(macho_dynamic_linker),
|
|
DEFINE(macho_bundle),
|
|
DEFINE(macho_dynamically_linked_shared_lib_stub),
|
|
DEFINE(macho_dsym_companion),
|
|
DEFINE(macho_kext_bundle),
|
|
DEFINE(windows_resource)
|
|
#undef DEFINE
|
|
};
|
|
|
|
// 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::error_code EC;
|
|
raw_fd_ostream file(file_pathname, EC, sys::fs::F_None);
|
|
ASSERT_FALSE(file.has_error());
|
|
StringRef magic(i->magic_str, i->magic_str_len);
|
|
file << magic;
|
|
file.close();
|
|
EXPECT_EQ(i->magic, fs::identify_magic(magic));
|
|
ASSERT_NO_ERROR(fs::remove(Twine(file_pathname)));
|
|
}
|
|
}
|
|
|
|
#ifdef LLVM_ON_WIN32
|
|
TEST_F(FileSystemTest, CarriageReturn) {
|
|
SmallString<128> FilePathname(TestDirectory);
|
|
std::error_code EC;
|
|
path::append(FilePathname, "test");
|
|
|
|
{
|
|
raw_fd_ostream File(FilePathname, EC, sys::fs::F_Text);
|
|
ASSERT_NO_ERROR(EC);
|
|
File << '\n';
|
|
}
|
|
{
|
|
auto Buf = MemoryBuffer::getFile(FilePathname.str());
|
|
EXPECT_TRUE((bool)Buf);
|
|
EXPECT_EQ(Buf.get()->getBuffer(), "\r\n");
|
|
}
|
|
|
|
{
|
|
raw_fd_ostream File(FilePathname, EC, sys::fs::F_None);
|
|
ASSERT_NO_ERROR(EC);
|
|
File << '\n';
|
|
}
|
|
{
|
|
auto Buf = MemoryBuffer::getFile(FilePathname.str());
|
|
EXPECT_TRUE((bool)Buf);
|
|
EXPECT_EQ(Buf.get()->getBuffer(), "\n");
|
|
}
|
|
ASSERT_NO_ERROR(fs::remove(Twine(FilePathname)));
|
|
}
|
|
#endif
|
|
|
|
TEST_F(FileSystemTest, Resize) {
|
|
int FD;
|
|
SmallString<64> TempPath;
|
|
ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath));
|
|
ASSERT_NO_ERROR(fs::resize_file(FD, 123));
|
|
fs::file_status Status;
|
|
ASSERT_NO_ERROR(fs::status(FD, Status));
|
|
ASSERT_EQ(Status.getSize(), 123U);
|
|
}
|
|
|
|
TEST_F(FileSystemTest, FileMapping) {
|
|
// Create a temp file.
|
|
int FileDescriptor;
|
|
SmallString<64> TempPath;
|
|
ASSERT_NO_ERROR(
|
|
fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
|
|
unsigned Size = 4096;
|
|
ASSERT_NO_ERROR(fs::resize_file(FileDescriptor, Size));
|
|
|
|
// Map in temp file and add some content
|
|
std::error_code EC;
|
|
StringRef Val("hello there");
|
|
{
|
|
fs::mapped_file_region mfr(FileDescriptor,
|
|
fs::mapped_file_region::readwrite, Size, 0, EC);
|
|
ASSERT_NO_ERROR(EC);
|
|
std::copy(Val.begin(), Val.end(), mfr.data());
|
|
// Explicitly add a 0.
|
|
mfr.data()[Val.size()] = 0;
|
|
// Unmap temp file
|
|
}
|
|
|
|
// Map it back in read-only
|
|
int FD;
|
|
EC = fs::openFileForRead(Twine(TempPath), FD);
|
|
ASSERT_NO_ERROR(EC);
|
|
fs::mapped_file_region mfr(FD, fs::mapped_file_region::readonly, Size, 0, EC);
|
|
ASSERT_NO_ERROR(EC);
|
|
|
|
// Verify content
|
|
EXPECT_EQ(StringRef(mfr.const_data()), Val);
|
|
|
|
// Unmap temp file
|
|
fs::mapped_file_region m(FD, fs::mapped_file_region::readonly, Size, 0, EC);
|
|
ASSERT_NO_ERROR(EC);
|
|
ASSERT_EQ(close(FD), 0);
|
|
}
|
|
|
|
TEST(Support, NormalizePath) {
|
|
#if defined(LLVM_ON_WIN32)
|
|
#define EXPECT_PATH_IS(path__, windows__, not_windows__) \
|
|
EXPECT_EQ(path__, windows__);
|
|
#else
|
|
#define EXPECT_PATH_IS(path__, windows__, not_windows__) \
|
|
EXPECT_EQ(path__, not_windows__);
|
|
#endif
|
|
|
|
SmallString<64> Path1("a");
|
|
SmallString<64> Path2("a/b");
|
|
SmallString<64> Path3("a\\b");
|
|
SmallString<64> Path4("a\\\\b");
|
|
SmallString<64> Path5("\\a");
|
|
SmallString<64> Path6("a\\");
|
|
|
|
path::native(Path1);
|
|
EXPECT_PATH_IS(Path1, "a", "a");
|
|
|
|
path::native(Path2);
|
|
EXPECT_PATH_IS(Path2, "a\\b", "a/b");
|
|
|
|
path::native(Path3);
|
|
EXPECT_PATH_IS(Path3, "a\\b", "a/b");
|
|
|
|
path::native(Path4);
|
|
EXPECT_PATH_IS(Path4, "a\\\\b", "a\\\\b");
|
|
|
|
path::native(Path5);
|
|
EXPECT_PATH_IS(Path5, "\\a", "/a");
|
|
|
|
path::native(Path6);
|
|
EXPECT_PATH_IS(Path6, "a\\", "a/");
|
|
|
|
#undef EXPECT_PATH_IS
|
|
}
|
|
} // anonymous namespace
|