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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
// <experimental/filesystem>
// path absolute(const path& p, const path& base=current_path());
#include <experimental/filesystem>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "rapid-cxx-test.hpp"
#include "filesystem_test_helper.hpp"
using namespace std::experimental::filesystem;
TEST_SUITE(filesystem_absolute_path_test_suite)
TEST_CASE(absolute_signature_test)
{
const path p; ((void)p);
ASSERT_NOT_NOEXCEPT(absolute(p));
ASSERT_NOT_NOEXCEPT(absolute(p, p));
}
// There are 4 cases is the proposal for absolute path.
// Each scope tests one of the cases.
TEST_CASE(absolute_path_test)
{
// has_root_name() && has_root_directory()
{
const path p("//net/foo");
const path base("//net/bar/baz");
TEST_REQUIRE(p.has_root_name());
TEST_REQUIRE(p.has_root_directory());
TEST_CHECK(p.is_absolute());
path ret = absolute(p, base);
TEST_CHECK(ret.is_absolute());
TEST_CHECK(ret == p);
}
// !has_root_name() && has_root_directory()
{
const path p("/foo");
const path base("//net/bar");
TEST_REQUIRE(not p.has_root_name());
TEST_REQUIRE(p.has_root_directory());
TEST_CHECK(p.is_absolute());
// ensure absolute(base) is not recursively called
TEST_REQUIRE(base.has_root_name());
TEST_REQUIRE(base.has_root_directory());
path ret = absolute(p, base);
TEST_CHECK(ret.is_absolute());
TEST_CHECK(ret.has_root_name());
TEST_CHECK(ret.root_name() == path("//net"));
TEST_CHECK(ret.has_root_directory());
TEST_CHECK(ret.root_directory() == path("/"));
TEST_CHECK(ret == path("//net/foo"));
}
// has_root_name() && !has_root_directory()
{
const path p("//net");
const path base("//net/foo/bar");
TEST_REQUIRE(p.has_root_name());
TEST_REQUIRE(not p.has_root_directory());
TEST_CHECK(not p.is_absolute());
// absolute is called recursively on base. The following conditions
// must be true for it to return base unmodified
TEST_REQUIRE(base.has_root_name());
TEST_REQUIRE(base.has_root_directory());
path ret = absolute(p, base);
const path expect("//net/foo/bar");
TEST_CHECK(ret.is_absolute());
TEST_CHECK(ret == path("//net/foo/bar"));
}
// !has_root_name() && !has_root_directory()
{
const path p("bar/baz");
const path base("//net/foo");
TEST_REQUIRE(not p.has_root_name());
TEST_REQUIRE(not p.has_root_directory());
TEST_REQUIRE(base.has_root_name());
TEST_REQUIRE(base.has_root_directory());
path ret = absolute(p, base);
TEST_CHECK(ret.is_absolute());
TEST_CHECK(ret == path("//net/foo/bar/baz"));
}
}
TEST_CASE(absolute_path_with_default_base)
{
const path testCases[] = {
"//net/foo", // has_root_name() && has_root_directory()
"/foo", // !has_root_name() && has_root_directory()
"//net", // has_root_name() && !has_root_directory()
"bar/baz" // !has_root_name() && !has_root_directory()
};
const path base = current_path();
for (auto& p : testCases) {
const path ret = absolute(p);
const path expect = absolute(p, base);
TEST_CHECK(ret.is_absolute());
TEST_CHECK(ret == expect);
}
}
TEST_SUITE_END()
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