| //===----------------------------------------------------------------------===// |
| // |
| // 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, c++11, c++14 |
| // UNSUPPORTED: no-filesystem |
| // UNSUPPORTED: availability-filesystem-missing |
| |
| // <filesystem> |
| |
| // path proximate(const path& p, error_code &ec) |
| // path proximate(const path& p, const path& base = current_path()) |
| // path proximate(const path& p, const path& base, error_code& ec); |
| |
| #include <filesystem> |
| #include <cassert> |
| |
| #include "assert_macros.h" |
| #include "concat_macros.h" |
| #include "test_macros.h" |
| #include "count_new.h" |
| #include "filesystem_test_helper.h" |
| #include "../../class.path/path_helper.h" |
| namespace fs = std::filesystem; |
| |
| static int count_path_elems(const fs::path& p) { |
| int count = 0; |
| for (auto&& elem : p) { |
| if (elem != p.root_name() && elem != "/" && elem != "") |
| ++count; |
| } |
| return count; |
| } |
| |
| static void signature_test() { |
| using fs::path; |
| const path p; |
| ((void)p); |
| std::error_code ec; |
| ((void)ec); |
| ASSERT_NOT_NOEXCEPT(proximate(p)); |
| ASSERT_NOT_NOEXCEPT(proximate(p, p)); |
| ASSERT_NOT_NOEXCEPT(proximate(p, ec)); |
| ASSERT_NOT_NOEXCEPT(proximate(p, p, ec)); |
| } |
| |
| static void basic_test() { |
| using fs::path; |
| const path cwd = fs::current_path(); |
| const path parent_cwd = cwd.parent_path(); |
| const path curdir = cwd.filename(); |
| assert(!cwd.native().empty()); |
| int cwd_depth = count_path_elems(cwd); |
| path dot_dot_to_root; |
| for (int i = 0; i < cwd_depth; ++i) |
| dot_dot_to_root /= ".."; |
| path relative_cwd = cwd.native().substr(cwd.root_path().native().size()); |
| // clang-format off |
| struct { |
| fs::path input; |
| fs::path base; |
| fs::path expect; |
| } TestCases[] = { |
| {"", "", "."}, |
| {cwd, "a", ".."}, |
| {parent_cwd, "a", "../.."}, |
| {"a", cwd, "a"}, |
| {"a", parent_cwd, curdir / "a"}, |
| {"/", "a", dot_dot_to_root / ".."}, |
| {"/", "a/b", dot_dot_to_root / "../.."}, |
| {"/", "a/b/", dot_dot_to_root / "../.."}, |
| {"a", "/", relative_cwd / "a"}, |
| {"a/b", "/", relative_cwd / "a/b"}, |
| {"a", "/net", ".." / relative_cwd / "a"}, |
| #ifdef _WIN32 |
| {"//foo/", "//foo", "//foo/"}, |
| {"//foo", "//foo/", "//foo"}, |
| #else |
| {"//foo/", "//foo", "."}, |
| {"//foo", "//foo/", "."}, |
| #endif |
| {"//foo", "//foo", "."}, |
| {"//foo/", "//foo/", "."}, |
| #ifdef _WIN32 |
| {"//foo", "a", "//foo"}, |
| {"//foo/a", "//bar", "//foo/a"}, |
| {"//foo/a", "//bar/", "//foo/a"}, |
| {"//foo/a", "b", "//foo/a"}, |
| {"//foo/a", "/b", "//foo/a"}, |
| {"//foo/a", "//bar/b", "//foo/a"}, |
| // Using X: instead of C: to avoid influence from the CWD being under C: |
| {"X:/a", "X:/b", "../a"}, |
| {"X:/a", "X:b", "X:/a"}, |
| {"X:/a", "Y:/a", "X:/a"}, |
| {"X:/a", "Y:/b", "X:/a"}, |
| {"X:/a", "Y:b", "X:/a"}, |
| {"X:a", "X:/b", "X:a"}, |
| {"X:a", "X:b", "../a"}, |
| {"X:a", "Y:/a", "X:a"}, |
| {"X:a", "Y:/b", "X:a"}, |
| {"X:a", "Y:b", "X:a"}, |
| #else |
| {"//foo", "a", dot_dot_to_root / "../foo"}, |
| {"//foo/a", "//bar", "../foo/a"}, |
| {"//foo/a", "//bar/", "../foo/a"}, |
| {"//foo/a", "b", dot_dot_to_root / "../foo/a"}, |
| {"//foo/a", "/b", "../foo/a"}, |
| {"//foo/a", "//bar/b", "../../foo/a"}, |
| {"X:/a", "X:/b", "../a"}, |
| {"X:/a", "X:b", "../X:/a"}, |
| {"X:/a", "Y:/a", "../../X:/a"}, |
| {"X:/a", "Y:/b", "../../X:/a"}, |
| {"X:/a", "Y:b", "../X:/a"}, |
| {"X:a", "X:/b", "../../X:a"}, |
| {"X:a", "X:b", "../X:a"}, |
| {"X:a", "Y:/a", "../../X:a"}, |
| {"X:a", "Y:/b", "../../X:a"}, |
| {"X:a", "Y:b", "../X:a"}, |
| #endif |
| {"a", "a", "."}, |
| {"a/b", "a/b", "."}, |
| {"a/b/c/", "a/b/c/", "."}, |
| {"//foo/a/b", "//foo/a/b", "."}, |
| {"/a/d", "/a/b/c", "../../d"}, |
| {"/a/b/c", "/a/d", "../b/c"}, |
| {"a/b/c", "a", "b/c"}, |
| {"a/b/c", "a/b/c/x/y", "../.."}, |
| {"a/b/c", "a/b/c", "."}, |
| {"a/b", "c/d", "../../a/b"} |
| }; |
| // clang-format on |
| for (auto& TC : TestCases) { |
| std::error_code ec = GetTestEC(); |
| fs::path p = TC.input; |
| const fs::path output = fs::proximate(p, TC.base, ec); |
| fs::path expect = TC.expect; |
| expect.make_preferred(); |
| TEST_REQUIRE(!ec, |
| TEST_WRITE_CONCATENATED( |
| "Input: ", TC.input.string(), "\nBase: ", TC.base.string(), "\nExpected: ", expect.string())); |
| |
| const path canon_input = fs::weakly_canonical(TC.input); |
| const path canon_base = fs::weakly_canonical(TC.base); |
| const path lexically_p = canon_input.lexically_proximate(canon_base); |
| TEST_REQUIRE( |
| PathEq(output, expect), |
| TEST_WRITE_CONCATENATED( |
| "Input: ", |
| TC.input.string(), |
| "\nBase: ", |
| TC.base.string(), |
| "\nExpected: ", |
| expect.string(), |
| "\nOutput: ", |
| output.string(), |
| "\nLex Prox: ", |
| lexically_p.string(), |
| "\nCanon Input: ", |
| canon_input.string(), |
| "\nCanon Base: ", |
| canon_base.string())); |
| } |
| } |
| |
| int main(int, char**) { |
| signature_test(); |
| basic_test(); |
| |
| return 0; |
| } |