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author | Marshall Clow <mclow.lists@gmail.com> | 2017-11-16 05:48:32 +0000 |
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committer | Marshall Clow <mclow.lists@gmail.com> | 2017-11-16 05:48:32 +0000 |
commit | bc6989bcbd0786a762d57dbae32b4d0c485da8a8 (patch) | |
tree | f4897a0cc700859e0ad39fe0de9ac4d7dd65d528 /test | |
parent | 79f3f9dbedd0acfc5bf96238336986500014d82a (diff) |
More of P0600 - '[[nodiscard]] in the Library' mark empty() as nodiscard in filesystem::path
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@318378 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
2 files changed, 30 insertions, 1 deletions
diff --git a/test/std/experimental/filesystem/class.path/path.member/path.decompose/empty.fail.cpp b/test/std/experimental/filesystem/class.path/path.member/path.decompose/empty.fail.cpp new file mode 100644 index 000000000..7e1fea7d3 --- /dev/null +++ b/test/std/experimental/filesystem/class.path/path.member/path.decompose/empty.fail.cpp @@ -0,0 +1,28 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <experimental/filesystem> + +// class path + +// bool empty() const noexcept; + +// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 +// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8 + +#include <experimental/filesystem> + +#include "test_macros.h" + +int main () +{ + std::experimental::filesystem::path c; + c.empty(); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}} +} diff --git a/test/std/experimental/filesystem/class.path/path.member/path.decompose/path.decompose.pass.cpp b/test/std/experimental/filesystem/class.path/path.member/path.decompose/path.decompose.pass.cpp index 078e00666..823865ba7 100644 --- a/test/std/experimental/filesystem/class.path/path.member/path.decompose/path.decompose.pass.cpp +++ b/test/std/experimental/filesystem/class.path/path.member/path.decompose/path.decompose.pass.cpp @@ -177,7 +177,8 @@ void decompFilenameTest() for (auto const & TC : FilenameTestCases) { path p(TC.raw); assert(p == TC.raw); - + ASSERT_NOEXCEPT(p.empty()); + assert(p.filename() == TC.filename); assert(p.has_filename() != TC.filename.empty()); |