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[libc++] Add availability markup for std::to_chars on Apple platforms
Summary: Otherwise, one gets link errors when trying to back-deploy to older platforms. rdar://problem/57854364 Reviewers: lichray, EricWF Subscribers: christof, jkorous, dexonsmith, libcxx-commits Tags: #libc Differential Revision: https://reviews.llvm.org/D74626
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27 changes: 27 additions & 0 deletions
27
libcxx/test/libcxx/utilities/charconv/charconv.to.chars/availability.fail.cpp
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| //===----------------------------------------------------------------------===// | ||
| // | ||
| // 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 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| // UNSUPPORTED: c++98, c++03 | ||
| // REQUIRES: availability=macosx10.7 || availability=macosx10.8 || availability=macosx10.9 || availability=macosx10.10 || availability=macosx10.11 || availability=macosx10.12 || availability=macosx10.13 || availability=macosx10.14 | ||
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| // Test the availability markup on std::to_chars. | ||
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| #include <charconv> | ||
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| int main(int, char**) | ||
| { | ||
| char buf[100]; | ||
| int int_value = 33; | ||
| long long_value = 33; | ||
| int base = 2; | ||
| std::to_chars(buf, buf + 100, int_value); // expected-error{{is unavailable: introduced in}} | ||
| std::to_chars(buf, buf + 100, int_value, base); // expected-error{{is unavailable: introduced in}} | ||
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| std::to_chars(buf, buf + 100, long_value); // expected-error{{is unavailable: introduced in}} | ||
| std::to_chars(buf, buf + 100, long_value, base); // expected-error{{is unavailable: introduced in}} | ||
| } |
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96
libcxx/test/std/utilities/charconv/charconv.from.chars/integral.roundtrip.pass.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // 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 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| // UNSUPPORTED: c++98, c++03 | ||
| // UNSUPPORTED: !libc++ && c++11 | ||
| // UNSUPPORTED: !libc++ && c++14 | ||
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| // The roundtrip test uses to_chars, which requires functions in the dylib | ||
| // that were introduced in Mac OS 10.15. | ||
| // | ||
| // XFAIL: with_system_cxx_lib=macosx10.14 | ||
| // XFAIL: with_system_cxx_lib=macosx10.13 | ||
| // XFAIL: with_system_cxx_lib=macosx10.12 | ||
| // XFAIL: with_system_cxx_lib=macosx10.11 | ||
| // XFAIL: with_system_cxx_lib=macosx10.10 | ||
| // XFAIL: with_system_cxx_lib=macosx10.9 | ||
| // XFAIL: with_system_cxx_lib=macosx10.8 | ||
| // XFAIL: with_system_cxx_lib=macosx10.7 | ||
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| // <charconv> | ||
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| // from_chars_result from_chars(const char* first, const char* last, | ||
| // Integral& value, int base = 10) | ||
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| #include <charconv> | ||
| #include "test_macros.h" | ||
| #include "charconv_test_helpers.h" | ||
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| template <typename T> | ||
| struct test_basics : roundtrip_test_base<T> | ||
| { | ||
| using roundtrip_test_base<T>::test; | ||
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| void operator()() | ||
| { | ||
| test(0); | ||
| test(42); | ||
| test(32768); | ||
| test(0, 10); | ||
| test(42, 10); | ||
| test(32768, 10); | ||
| test(0xf, 16); | ||
| test(0xdeadbeaf, 16); | ||
| test(0755, 8); | ||
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| for (int b = 2; b < 37; ++b) | ||
| { | ||
| using xl = std::numeric_limits<T>; | ||
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| test(1, b); | ||
| test(-1, b); | ||
| test(xl::lowest(), b); | ||
| test((xl::max)(), b); | ||
| test((xl::max)() / 2, b); | ||
| } | ||
| } | ||
| }; | ||
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| template <typename T> | ||
| struct test_signed : roundtrip_test_base<T> | ||
| { | ||
| using roundtrip_test_base<T>::test; | ||
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| void operator()() | ||
| { | ||
| test(-1); | ||
| test(-12); | ||
| test(-1, 10); | ||
| test(-12, 10); | ||
| test(-21734634, 10); | ||
| test(-2647, 2); | ||
| test(-0xcc1, 16); | ||
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| for (int b = 2; b < 37; ++b) | ||
| { | ||
| using xl = std::numeric_limits<T>; | ||
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| test(0, b); | ||
| test(xl::lowest(), b); | ||
| test((xl::max)(), b); | ||
| } | ||
| } | ||
| }; | ||
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| int main(int, char**) | ||
| { | ||
| run<test_basics>(integrals); | ||
| run<test_signed>(all_signed); | ||
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| return 0; | ||
| } |
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