summaryrefslogtreecommitdiffstats
path: root/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.space/space.pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.space/space.pass.cpp')
-rw-r--r--libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.space/space.pass.cpp127
1 files changed, 0 insertions, 127 deletions
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.space/space.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.space/space.pass.cpp
deleted file mode 100644
index 7bb6c55fae3..00000000000
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.space/space.pass.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// 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++98, c++03
-
-// <filesystem>
-
-// space_info space(const path& p);
-// space_info space(const path& p, error_code& ec) noexcept;
-
-#include "filesystem_include.hpp"
-#include <sys/statvfs.h>
-
-#include "test_macros.h"
-#include "rapid-cxx-test.hpp"
-#include "filesystem_test_helper.hpp"
-
-using namespace fs;
-
-bool EqualDelta(std::uintmax_t x, std::uintmax_t y, std::uintmax_t delta) {
- if (x >= y) {
- return (x - y) <= delta;
- } else {
- return (y - x) <= delta;
- }
-}
-
-TEST_SUITE(filesystem_space_test_suite)
-
-TEST_CASE(signature_test)
-{
- const path p; ((void)p);
- std::error_code ec; ((void)ec);
- ASSERT_SAME_TYPE(decltype(space(p)), space_info);
- ASSERT_SAME_TYPE(decltype(space(p, ec)), space_info);
- ASSERT_NOT_NOEXCEPT(space(p));
- ASSERT_NOEXCEPT(space(p, ec));
-}
-
-TEST_CASE(test_error_reporting)
-{
- auto checkThrow = [](path const& f, const std::error_code& ec)
- {
-#ifndef TEST_HAS_NO_EXCEPTIONS
- try {
- space(f);
- return false;
- } catch (filesystem_error const& err) {
- return err.path1() == f
- && err.path2() == ""
- && err.code() == ec;
- }
-#else
- ((void)f); ((void)ec);
- return true;
-#endif
- };
- const path cases[] = {
- "",
- StaticEnv::DNE,
- StaticEnv::BadSymlink
- };
- for (auto& p : cases) {
- const auto expect = static_cast<std::uintmax_t>(-1);
- std::error_code ec;
- space_info info = space(p, ec);
- TEST_CHECK(ec);
- TEST_CHECK(info.capacity == expect);
- TEST_CHECK(info.free == expect);
- TEST_CHECK(info.available == expect);
- TEST_CHECK(checkThrow(p, ec));
- }
-}
-
-TEST_CASE(basic_space_test)
-{
- // All the test cases should reside on the same filesystem and therefore
- // should have the same expected result. Compute this expected result
- // one and check that it looks semi-sane.
- struct statvfs expect;
- TEST_REQUIRE(::statvfs(StaticEnv::Dir.c_str(), &expect) != -1);
- TEST_CHECK(expect.f_bavail > 0);
- TEST_CHECK(expect.f_bfree > 0);
- TEST_CHECK(expect.f_bsize > 0);
- TEST_CHECK(expect.f_blocks > 0);
- TEST_REQUIRE(expect.f_frsize > 0);
- auto do_mult = [&](std::uintmax_t val) {
- std::uintmax_t fsize = expect.f_frsize;
- std::uintmax_t new_val = val * fsize;
- TEST_CHECK(new_val / fsize == val); // Test for overflow
- return new_val;
- };
- const std::uintmax_t bad_value = static_cast<std::uintmax_t>(-1);
- const std::uintmax_t expect_capacity = do_mult(expect.f_blocks);
- const std::uintmax_t expect_free = do_mult(expect.f_bfree);
- const std::uintmax_t expect_avail = do_mult(expect.f_bavail);
-
- // Other processes running on the operating system may have changed
- // the amount of space available. Check that these are within tolerances.
- // Currently 5% of capacity
- const std::uintmax_t delta = expect_capacity / 20;
- const path cases[] = {
- StaticEnv::File,
- StaticEnv::Dir,
- StaticEnv::Dir2,
- StaticEnv::SymlinkToFile,
- StaticEnv::SymlinkToDir
- };
- for (auto& p : cases) {
- std::error_code ec = GetTestEC();
- space_info info = space(p, ec);
- TEST_CHECK(!ec);
- TEST_CHECK(info.capacity != bad_value);
- TEST_CHECK(expect_capacity == info.capacity);
- TEST_CHECK(info.free != bad_value);
- TEST_CHECK(EqualDelta(expect_free, info.free, delta));
- TEST_CHECK(info.available != bad_value);
- TEST_CHECK(EqualDelta(expect_avail, info.available, delta));
- }
-}
-
-TEST_SUITE_END()
OpenPOWER on IntegriCloud