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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <filesystem>
// bool equivalent(path const& lhs, path const& rhs);
// bool equivalent(path const& lhs, path const& rhs, std::error_code& ec) noexcept;
#include "filesystem_include.hpp"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "rapid-cxx-test.hpp"
#include "filesystem_test_helper.hpp"
using namespace fs;
TEST_SUITE(equivalent_test_suite)
TEST_CASE(signature_test) {
const path p;
((void)p);
std::error_code ec;
((void)ec);
ASSERT_NOEXCEPT(equivalent(p, p, ec));
ASSERT_NOT_NOEXCEPT(equivalent(p, p));
}
TEST_CASE(equivalent_test) {
struct TestCase {
path lhs;
path rhs;
bool expect;
};
const TestCase testCases[] = {
{StaticEnv::Dir, StaticEnv::Dir, true},
{StaticEnv::File, StaticEnv::Dir, false},
{StaticEnv::Dir, StaticEnv::SymlinkToDir, true},
{StaticEnv::Dir, StaticEnv::SymlinkToFile, false},
{StaticEnv::File, StaticEnv::File, true},
{StaticEnv::File, StaticEnv::SymlinkToFile, true},
};
for (auto& TC : testCases) {
std::error_code ec;
TEST_CHECK(equivalent(TC.lhs, TC.rhs, ec) == TC.expect);
TEST_CHECK(!ec);
}
}
TEST_CASE(equivalent_reports_error_if_input_dne) {
const path E = StaticEnv::File;
const path DNE = StaticEnv::DNE;
{ // Test that an error is reported when either of the paths don't exist
std::error_code ec = GetTestEC();
TEST_CHECK(equivalent(E, DNE, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
}
{
std::error_code ec = GetTestEC();
TEST_CHECK(equivalent(DNE, E, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
}
{
TEST_CHECK_THROW(filesystem_error, equivalent(DNE, E));
TEST_CHECK_THROW(filesystem_error, equivalent(E, DNE));
}
{ // Test that an exception is thrown if both paths do not exist.
TEST_CHECK_THROW(filesystem_error, equivalent(DNE, DNE));
}
{
std::error_code ec = GetTestEC();
TEST_CHECK(equivalent(DNE, DNE, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
}
}
TEST_CASE(equivalent_hardlink_succeeds) {
scoped_test_env env;
path const file = env.create_file("file", 42);
const path hl1 = env.create_hardlink(file, "hl1");
const path hl2 = env.create_hardlink(file, "hl2");
TEST_CHECK(equivalent(file, hl1));
TEST_CHECK(equivalent(file, hl2));
TEST_CHECK(equivalent(hl1, hl2));
}
TEST_CASE(equivalent_is_other_succeeds) {
scoped_test_env env;
path const file = env.create_file("file", 42);
const path fifo1 = env.create_fifo("fifo1");
const path fifo2 = env.create_fifo("fifo2");
// Required to test behavior for inputs where is_other(p) is true.
TEST_REQUIRE(is_other(fifo1));
TEST_CHECK(!equivalent(file, fifo1));
TEST_CHECK(!equivalent(fifo2, file));
TEST_CHECK(!equivalent(fifo1, fifo2));
TEST_CHECK(equivalent(fifo1, fifo1));
}
TEST_SUITE_END()
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