teak-llvm/lldb/unittests/Utility/FileSpecTest.cpp
Jonas Devlieghere 8f3be7a32b [FileSystem] Move path resolution logic out of FileSpec
This patch removes the logic for resolving paths out of FileSpec and
updates call sites to rely on the FileSystem class instead.

Differential revision: https://reviews.llvm.org/D53915

llvm-svn: 345890
2018-11-01 21:05:36 +00:00

372 lines
13 KiB
C++

//===-- FileSpecTest.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "lldb/Utility/FileSpec.h"
using namespace lldb_private;
TEST(FileSpecTest, FileAndDirectoryComponents) {
FileSpec fs_posix("/foo/bar", FileSpec::Style::posix);
EXPECT_STREQ("/foo/bar", fs_posix.GetCString());
EXPECT_STREQ("/foo", fs_posix.GetDirectory().GetCString());
EXPECT_STREQ("bar", fs_posix.GetFilename().GetCString());
FileSpec fs_windows("F:\\bar", FileSpec::Style::windows);
EXPECT_STREQ("F:\\bar", fs_windows.GetCString());
// EXPECT_STREQ("F:\\", fs_windows.GetDirectory().GetCString()); // It returns
// "F:/"
EXPECT_STREQ("bar", fs_windows.GetFilename().GetCString());
FileSpec fs_posix_root("/", FileSpec::Style::posix);
EXPECT_STREQ("/", fs_posix_root.GetCString());
EXPECT_EQ(nullptr, fs_posix_root.GetDirectory().GetCString());
EXPECT_STREQ("/", fs_posix_root.GetFilename().GetCString());
FileSpec fs_net_drive("//net", FileSpec::Style::posix);
EXPECT_STREQ("//net", fs_net_drive.GetCString());
EXPECT_EQ(nullptr, fs_net_drive.GetDirectory().GetCString());
EXPECT_STREQ("//net", fs_net_drive.GetFilename().GetCString());
FileSpec fs_net_root("//net/", FileSpec::Style::posix);
EXPECT_STREQ("//net/", fs_net_root.GetCString());
EXPECT_STREQ("//net", fs_net_root.GetDirectory().GetCString());
EXPECT_STREQ("/", fs_net_root.GetFilename().GetCString());
FileSpec fs_windows_drive("F:", FileSpec::Style::windows);
EXPECT_STREQ("F:", fs_windows_drive.GetCString());
EXPECT_EQ(nullptr, fs_windows_drive.GetDirectory().GetCString());
EXPECT_STREQ("F:", fs_windows_drive.GetFilename().GetCString());
FileSpec fs_windows_root("F:\\", FileSpec::Style::windows);
EXPECT_STREQ("F:\\", fs_windows_root.GetCString());
EXPECT_STREQ("F:", fs_windows_root.GetDirectory().GetCString());
// EXPECT_STREQ("\\", fs_windows_root.GetFilename().GetCString()); // It
// returns "/"
FileSpec fs_posix_long("/foo/bar/baz", FileSpec::Style::posix);
EXPECT_STREQ("/foo/bar/baz", fs_posix_long.GetCString());
EXPECT_STREQ("/foo/bar", fs_posix_long.GetDirectory().GetCString());
EXPECT_STREQ("baz", fs_posix_long.GetFilename().GetCString());
FileSpec fs_windows_long("F:\\bar\\baz", FileSpec::Style::windows);
EXPECT_STREQ("F:\\bar\\baz", fs_windows_long.GetCString());
// EXPECT_STREQ("F:\\bar", fs_windows_long.GetDirectory().GetCString()); // It
// returns "F:/bar"
EXPECT_STREQ("baz", fs_windows_long.GetFilename().GetCString());
FileSpec fs_posix_trailing_slash("/foo/bar/", FileSpec::Style::posix);
EXPECT_STREQ("/foo/bar", fs_posix_trailing_slash.GetCString());
EXPECT_STREQ("/foo", fs_posix_trailing_slash.GetDirectory().GetCString());
EXPECT_STREQ("bar", fs_posix_trailing_slash.GetFilename().GetCString());
FileSpec fs_windows_trailing_slash("F:\\bar\\", FileSpec::Style::windows);
EXPECT_STREQ("F:\\bar", fs_windows_trailing_slash.GetCString());
EXPECT_STREQ("bar", fs_windows_trailing_slash.GetFilename().GetCString());
}
TEST(FileSpecTest, AppendPathComponent) {
FileSpec fs_posix("/foo", FileSpec::Style::posix);
fs_posix.AppendPathComponent("bar");
EXPECT_STREQ("/foo/bar", fs_posix.GetCString());
EXPECT_STREQ("/foo", fs_posix.GetDirectory().GetCString());
EXPECT_STREQ("bar", fs_posix.GetFilename().GetCString());
FileSpec fs_posix_2("/foo", FileSpec::Style::posix);
fs_posix_2.AppendPathComponent("//bar/baz");
EXPECT_STREQ("/foo/bar/baz", fs_posix_2.GetCString());
EXPECT_STREQ("/foo/bar", fs_posix_2.GetDirectory().GetCString());
EXPECT_STREQ("baz", fs_posix_2.GetFilename().GetCString());
FileSpec fs_windows("F:\\bar", FileSpec::Style::windows);
fs_windows.AppendPathComponent("baz");
EXPECT_STREQ("F:\\bar\\baz", fs_windows.GetCString());
// EXPECT_STREQ("F:\\bar", fs_windows.GetDirectory().GetCString()); // It
// returns "F:/bar"
EXPECT_STREQ("baz", fs_windows.GetFilename().GetCString());
FileSpec fs_posix_root("/", FileSpec::Style::posix);
fs_posix_root.AppendPathComponent("bar");
EXPECT_STREQ("/bar", fs_posix_root.GetCString());
EXPECT_STREQ("/", fs_posix_root.GetDirectory().GetCString());
EXPECT_STREQ("bar", fs_posix_root.GetFilename().GetCString());
FileSpec fs_windows_root("F:\\", FileSpec::Style::windows);
fs_windows_root.AppendPathComponent("bar");
EXPECT_STREQ("F:\\bar", fs_windows_root.GetCString());
// EXPECT_STREQ("F:\\", fs_windows_root.GetDirectory().GetCString()); // It
// returns "F:/"
EXPECT_STREQ("bar", fs_windows_root.GetFilename().GetCString());
}
TEST(FileSpecTest, CopyByAppendingPathComponent) {
FileSpec fs = FileSpec("/foo", FileSpec::Style::posix)
.CopyByAppendingPathComponent("bar");
EXPECT_STREQ("/foo/bar", fs.GetCString());
EXPECT_STREQ("/foo", fs.GetDirectory().GetCString());
EXPECT_STREQ("bar", fs.GetFilename().GetCString());
}
TEST(FileSpecTest, PrependPathComponent) {
FileSpec fs_posix("foo", FileSpec::Style::posix);
fs_posix.PrependPathComponent("/bar");
EXPECT_STREQ("/bar/foo", fs_posix.GetCString());
FileSpec fs_posix_2("foo/bar", FileSpec::Style::posix);
fs_posix_2.PrependPathComponent("/baz");
EXPECT_STREQ("/baz/foo/bar", fs_posix_2.GetCString());
FileSpec fs_windows("baz", FileSpec::Style::windows);
fs_windows.PrependPathComponent("F:\\bar");
EXPECT_STREQ("F:\\bar\\baz", fs_windows.GetCString());
FileSpec fs_posix_root("bar", FileSpec::Style::posix);
fs_posix_root.PrependPathComponent("/");
EXPECT_STREQ("/bar", fs_posix_root.GetCString());
FileSpec fs_windows_root("bar", FileSpec::Style::windows);
fs_windows_root.PrependPathComponent("F:\\");
EXPECT_STREQ("F:\\bar", fs_windows_root.GetCString());
}
TEST(FileSpecTest, EqualSeparator) {
FileSpec backward("C:\\foo\\bar", FileSpec::Style::windows);
FileSpec forward("C:/foo/bar", FileSpec::Style::windows);
EXPECT_EQ(forward, backward);
}
TEST(FileSpecTest, EqualDotsWindows) {
std::pair<const char *, const char *> tests[] = {
{R"(C:\foo\bar\baz)", R"(C:\foo\foo\..\bar\baz)"},
{R"(C:\bar\baz)", R"(C:\foo\..\bar\baz)"},
{R"(C:\bar\baz)", R"(C:/foo/../bar/baz)"},
{R"(C:/bar/baz)", R"(C:\foo\..\bar\baz)"},
{R"(C:\bar)", R"(C:\foo\..\bar)"},
{R"(C:\foo\bar)", R"(C:\foo\.\bar)"},
{R"(C:\foo\bar)", R"(C:\foo\bar\.)"},
};
for (const auto &test : tests) {
FileSpec one(test.first, FileSpec::Style::windows);
FileSpec two(test.second, FileSpec::Style::windows);
EXPECT_EQ(one, two);
}
}
TEST(FileSpecTest, EqualDotsPosix) {
std::pair<const char *, const char *> tests[] = {
{R"(/foo/bar/baz)", R"(/foo/foo/../bar/baz)"},
{R"(/bar/baz)", R"(/foo/../bar/baz)"},
{R"(/bar)", R"(/foo/../bar)"},
{R"(/foo/bar)", R"(/foo/./bar)"},
{R"(/foo/bar)", R"(/foo/bar/.)"},
};
for (const auto &test : tests) {
FileSpec one(test.first, FileSpec::Style::posix);
FileSpec two(test.second, FileSpec::Style::posix);
EXPECT_EQ(one, two);
}
}
TEST(FileSpecTest, EqualDotsPosixRoot) {
std::pair<const char *, const char *> tests[] = {
{R"(/)", R"(/..)"},
{R"(/)", R"(/.)"},
{R"(/)", R"(/foo/..)"},
};
for (const auto &test : tests) {
FileSpec one(test.first, FileSpec::Style::posix);
FileSpec two(test.second, FileSpec::Style::posix);
EXPECT_EQ(one, two);
}
}
TEST(FileSpecTest, GetNormalizedPath) {
std::pair<const char *, const char *> posix_tests[] = {
{"/foo/.././bar", "/bar"},
{"/foo/./../bar", "/bar"},
{"/foo/../bar", "/bar"},
{"/foo/./bar", "/foo/bar"},
{"/foo/..", "/"},
{"/foo/.", "/foo"},
{"/foo//bar", "/foo/bar"},
{"/foo//bar/baz", "/foo/bar/baz"},
{"/foo//bar/./baz", "/foo/bar/baz"},
{"/./foo", "/foo"},
{"/", "/"},
{"//", "/"},
{"//net", "//net"},
{"/..", "/"},
{"/.", "/"},
{"..", ".."},
{".", "."},
{"../..", "../.."},
{"foo/..", "."},
{"foo/../bar", "bar"},
{"../foo/..", ".."},
{"./foo", "foo"},
{"././foo", "foo"},
{"../foo", "../foo"},
{"../../foo", "../../foo"},
};
for (auto test : posix_tests) {
SCOPED_TRACE(llvm::Twine("test.first = ") + test.first);
EXPECT_EQ(test.second,
FileSpec(test.first, FileSpec::Style::posix).GetPath());
}
std::pair<const char *, const char *> windows_tests[] = {
{R"(c:\bar\..\bar)", R"(c:\bar)"},
{R"(c:\bar\.\bar)", R"(c:\bar\bar)"},
{R"(c:\bar\..)", R"(c:\)"},
{R"(c:\bar\.)", R"(c:\bar)"},
{R"(c:\.\bar)", R"(c:\bar)"},
{R"(\)", R"(\)"},
{R"(\\)", R"(\)"},
{R"(\\net)", R"(\\net)"},
{R"(c:\..)", R"(c:\)"},
{R"(c:\.)", R"(c:\)"},
// TODO: fix llvm::sys::path::remove_dots() to return "\" below.
{R"(\..)", R"(\..)"},
// {R"(c:..)", R"(c:..)"},
{R"(..)", R"(..)"},
{R"(.)", R"(.)"},
// TODO: fix llvm::sys::path::remove_dots() to return "c:\" below.
{R"(c:..\..)", R"(c:\..\..)"},
{R"(..\..)", R"(..\..)"},
{R"(foo\..)", R"(.)"},
{R"(foo\..\bar)", R"(bar)"},
{R"(..\foo\..)", R"(..)"},
{R"(.\foo)", R"(foo)"},
{R"(.\.\foo)", R"(foo)"},
{R"(..\foo)", R"(..\foo)"},
{R"(..\..\foo)", R"(..\..\foo)"},
};
for (auto test : windows_tests) {
EXPECT_EQ(test.second,
FileSpec(test.first, FileSpec::Style::windows).GetPath())
<< "Original path: " << test.first;
}
}
TEST(FileSpecTest, FormatFileSpec) {
auto win = FileSpec::Style::windows;
FileSpec F;
EXPECT_EQ("(empty)", llvm::formatv("{0}", F).str());
EXPECT_EQ("(empty)", llvm::formatv("{0:D}", F).str());
EXPECT_EQ("(empty)", llvm::formatv("{0:F}", F).str());
F = FileSpec("C:\\foo\\bar.txt", win);
EXPECT_EQ("C:\\foo\\bar.txt", llvm::formatv("{0}", F).str());
EXPECT_EQ("C:\\foo\\", llvm::formatv("{0:D}", F).str());
EXPECT_EQ("bar.txt", llvm::formatv("{0:F}", F).str());
F = FileSpec("foo\\bar.txt", win);
EXPECT_EQ("foo\\bar.txt", llvm::formatv("{0}", F).str());
EXPECT_EQ("foo\\", llvm::formatv("{0:D}", F).str());
EXPECT_EQ("bar.txt", llvm::formatv("{0:F}", F).str());
F = FileSpec("foo", win);
EXPECT_EQ("foo", llvm::formatv("{0}", F).str());
EXPECT_EQ("foo", llvm::formatv("{0:F}", F).str());
EXPECT_EQ("(empty)", llvm::formatv("{0:D}", F).str());
}
TEST(FileSpecTest, IsRelative) {
llvm::StringRef not_relative[] = {
"/",
"/a",
"/a/",
"/a/b",
"/a/b/",
"//",
"//a/",
"//a/b",
"//a/b/",
"~",
"~/",
"~/a",
"~/a/",
"~/a/b"
"~/a/b/",
"/foo/.",
"/foo/..",
"/foo/../",
"/foo/../.",
};
for (const auto &path: not_relative) {
FileSpec spec(path, FileSpec::Style::posix);
EXPECT_FALSE(spec.IsRelative());
}
llvm::StringRef is_relative[] = {
".",
"./",
".///",
"a",
"./a",
"./a/",
"./a/",
"./a/b",
"./a/b/",
"../foo",
"foo/bar.c",
"./foo/bar.c"
};
for (const auto &path: is_relative) {
FileSpec spec(path, FileSpec::Style::posix);
EXPECT_TRUE(spec.IsRelative());
}
}
TEST(FileSpecTest, RemoveLastPathComponent) {
FileSpec fs_posix("/foo/bar/baz", FileSpec::Style::posix);
EXPECT_STREQ("/foo/bar/baz", fs_posix.GetCString());
EXPECT_TRUE(fs_posix.RemoveLastPathComponent());
EXPECT_STREQ("/foo/bar", fs_posix.GetCString());
EXPECT_TRUE(fs_posix.RemoveLastPathComponent());
EXPECT_STREQ("/foo", fs_posix.GetCString());
EXPECT_TRUE(fs_posix.RemoveLastPathComponent());
EXPECT_STREQ("/", fs_posix.GetCString());
EXPECT_FALSE(fs_posix.RemoveLastPathComponent());
EXPECT_STREQ("/", fs_posix.GetCString());
FileSpec fs_posix_relative("./foo/bar/baz", FileSpec::Style::posix);
EXPECT_STREQ("foo/bar/baz", fs_posix_relative.GetCString());
EXPECT_TRUE(fs_posix_relative.RemoveLastPathComponent());
EXPECT_STREQ("foo/bar", fs_posix_relative.GetCString());
EXPECT_TRUE(fs_posix_relative.RemoveLastPathComponent());
EXPECT_STREQ("foo", fs_posix_relative.GetCString());
EXPECT_FALSE(fs_posix_relative.RemoveLastPathComponent());
EXPECT_STREQ("foo", fs_posix_relative.GetCString());
FileSpec fs_posix_relative2("./", FileSpec::Style::posix);
EXPECT_STREQ(".", fs_posix_relative2.GetCString());
EXPECT_FALSE(fs_posix_relative2.RemoveLastPathComponent());
EXPECT_STREQ(".", fs_posix_relative2.GetCString());
EXPECT_FALSE(fs_posix_relative.RemoveLastPathComponent());
EXPECT_STREQ(".", fs_posix_relative2.GetCString());
FileSpec fs_windows("C:\\foo\\bar\\baz", FileSpec::Style::windows);
EXPECT_STREQ("C:\\foo\\bar\\baz", fs_windows.GetCString());
EXPECT_TRUE(fs_windows.RemoveLastPathComponent());
EXPECT_STREQ("C:\\foo\\bar", fs_windows.GetCString());
EXPECT_TRUE(fs_windows.RemoveLastPathComponent());
EXPECT_STREQ("C:\\foo", fs_windows.GetCString());
EXPECT_TRUE(fs_windows.RemoveLastPathComponent());
EXPECT_STREQ("C:\\", fs_windows.GetCString());
EXPECT_TRUE(fs_windows.RemoveLastPathComponent());
EXPECT_STREQ("C:", fs_windows.GetCString());
EXPECT_FALSE(fs_windows.RemoveLastPathComponent());
EXPECT_STREQ("C:", fs_windows.GetCString());
}