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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <filesystem>
// path weakly_canonical(const path& p);
// path weakly_canonical(const path& p, error_code& ec);
#include "filesystem_include.h"
#include <cstdio>
#include <string>
#include "test_macros.h"
#include "test_iterators.h"
#include "count_new.h"
#include "filesystem_test_helper.h"
int main(int, char**) {
static_test_env static_env;
fs::path root = fs::current_path().root_path();
// clang-format off
struct {
fs::path input;
fs::path expect;
} TestCases[] = {
{"", fs::current_path()},
{".", fs::current_path()},
{"/", root},
{"/foo", root / "foo"},
{"/.", root},
{"/./", root},
{"a/b", fs::current_path() / "a/b"},
{"a", fs::current_path() / "a"},
{"a/b/", fs::current_path() / "a/b/"},
{static_env.File, static_env.File},
{static_env.Dir, static_env.Dir},
{static_env.SymlinkToDir, static_env.Dir},
{static_env.SymlinkToDir / "dir2/.", static_env.Dir / "dir2"},
// Note: If the trailing separator occurs in a part of the path that exists,
// it is omitted. Otherwise it is added to the end of the result.
// MS STL and libstdc++ behave similarly.
{static_env.SymlinkToDir / "dir2/./", static_env.Dir / "dir2"},
{static_env.SymlinkToDir / "dir2/DNE/./", static_env.Dir / "dir2/DNE/"},
{static_env.SymlinkToDir / "dir2", static_env.Dir2},
#ifdef _WIN32
// On Windows, this path is considered to exist (even though it
// passes through a nonexistent directory), and thus is returned
// without a trailing slash, see the note above.
{static_env.SymlinkToDir / "dir2/../dir2/DNE/..", static_env.Dir2},
#else
{static_env.SymlinkToDir / "dir2/../dir2/DNE/..", static_env.Dir2 / ""},
#endif
{static_env.SymlinkToDir / "dir2/dir3/../DNE/DNE2", static_env.Dir2 / "DNE/DNE2"},
{static_env.Dir / "../dir1", static_env.Dir},
{static_env.Dir / "./.", static_env.Dir},
{static_env.Dir / "DNE/../foo", static_env.Dir / "foo"}
};
// clang-format on
int ID = 0;
bool Failed = false;
for (auto& TC : TestCases) {
++ID;
fs::path p = TC.input;
fs::path expect = TC.expect;
expect.make_preferred();
const fs::path output = fs::weakly_canonical(p);
if (!PathEq(output, expect)) {
Failed = true;
std::fprintf(stderr, "TEST CASE #%d FAILED:\n"
" Input: '%s'\n"
" Expected: '%s'\n"
" Output: '%s'\n",
ID, TC.input.string().c_str(), expect.string().c_str(),
output.string().c_str());
}
}
return Failed;
}
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