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580d26ae46
Since LLVM 17 has been branched and is on the verge of being released, we can drop the CI job that tests against Clang 15. I think the number of cherry-picks to `release/17.x` will be a lot smaller now, so keeping a Clang 15 job around for that purpose seems unnecessary. As a fly-by, this patch also removes some Clang 15 workarounds and test suite annotations as we usually do. It also removes some slightly older gcc test suite annotations that were missed.
84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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#include <source_location>
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#include <cassert>
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#include <concepts>
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#include <cstdint>
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#include <cstring>
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#include <type_traits>
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#include "test_macros.h"
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static_assert(std::is_nothrow_move_constructible_v<std::source_location>, "support.srcloc.cons (1.1)");
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static_assert(std::is_nothrow_move_assignable_v<std::source_location>, "support.srcloc.cons (1.2)");
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static_assert(std::is_nothrow_swappable_v<std::source_location>, "support.srcloc.cons (1.3)");
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ASSERT_NOEXCEPT(std::source_location());
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ASSERT_NOEXCEPT(std::source_location::current());
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// Note: the standard doesn't strictly require the particular values asserted
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// here, but does "suggest" them. Additional tests for details of how the
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// implementation of current() chooses which location to report for more complex
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// scenarios are in the Clang test-suite, and not replicated here.
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// A default-constructed value.
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constexpr std::source_location empty;
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static_assert(empty.line() == 0);
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static_assert(empty.column() == 0);
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static_assert(empty.file_name()[0] == '\0');
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static_assert(empty.function_name()[0] == '\0');
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ASSERT_NOEXCEPT(empty.line());
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ASSERT_NOEXCEPT(empty.column());
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ASSERT_NOEXCEPT(empty.file_name());
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ASSERT_NOEXCEPT(empty.function_name());
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std::same_as<std::uint_least32_t> auto line = empty.line();
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std::same_as<std::uint_least32_t> auto column = empty.column();
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std::same_as<const char*> auto file = empty.file_name();
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std::same_as<const char*> auto function = empty.function_name();
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// A simple use of current() outside a function.
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constexpr std::source_location cur =
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#line 1000 "ss"
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std::source_location::current();
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static_assert(cur.line() == 1000);
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static_assert(cur.column() > 0);
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static_assert(cur.file_name()[0] == 's' && cur.file_name()[1] == 's' && cur.file_name()[2] == '\0');
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static_assert(cur.function_name()[0] == '\0');
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// and inside a function.
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int main(int, char**) {
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auto local =
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#line 2000
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std::source_location::current();
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assert(strcmp(local.file_name(), "ss") == 0);
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assert(strstr(local.function_name(), "main") != nullptr);
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assert(local.line() == 2000);
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assert(local.column() > 0);
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// Finally, the type should be copy-constructible
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auto local2 = cur;
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assert(strcmp(local2.file_name(), cur.file_name()) == 0);
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assert(strcmp(local2.function_name(), cur.function_name()) == 0);
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assert(local2.line() == cur.line());
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assert(local2.column() == cur.column());
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// and copy-assignable.
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local = cur;
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assert(strcmp(local.file_name(), cur.file_name()) == 0);
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assert(strcmp(local.function_name(), cur.function_name()) == 0);
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assert(local.line() == cur.line());
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assert(local.column() == cur.column());
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return 0;
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}
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