def50f701f
fixes https://github.com/llvm/llvm-project/issues/105190 --------- Co-authored-by: Hui Xie <huixie@Mac.broadband> Co-authored-by: Hui Xie <huixie@Huis-MacBook-Pro.local>
54 lines
2.3 KiB
C++
54 lines
2.3 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, c++20
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// <flat_map>
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// Test CTAD on cases where deduction should fail.
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#include <flat_map>
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#include <functional>
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#include <utility>
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using P = std::pair<int, long>;
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using PC = std::pair<const int, long>;
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void test() {
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{
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// cannot deduce that the inner braced things should be std::pair and not something else
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std::flat_map m{{1, 1L}, {2, 2L}, {3, 3L}};
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// expected-error-re@-1{{{{no viable constructor or deduction guide for deduction of template arguments of '.*flat_map'}}}}
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}
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{
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// cannot deduce that the inner braced things should be std::pair and not something else
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std::flat_map m({{1, 1L}, {2, 2L}, {3, 3L}}, std::less<int>());
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// expected-error-re@-1{{{{no viable constructor or deduction guide for deduction of template arguments of '.*flat_map'}}}}
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}
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{
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// cannot deduce that the inner braced things should be std::pair and not something else
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std::flat_map m({{1, 1L}, {2, 2L}, {3, 3L}}, std::less<int>(), std::allocator<PC>());
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// expected-error-re@-1{{{{no viable constructor or deduction guide for deduction of template arguments of '.*flat_map'}}}}
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}
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{
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// cannot deduce that the inner braced things should be std::pair and not something else
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std::flat_map m({{1, 1L}, {2, 2L}, {3, 3L}}, std::allocator<PC>());
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// expected-error-re@-1{{{{no viable constructor or deduction guide for deduction of template arguments of '.*flat_map'}}}}
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}
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{
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// since we have parens, not braces, this deliberately does not find the initializer_list constructor
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std::flat_map m(P{1, 1L});
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// expected-error-re@-1{{{{no viable constructor or deduction guide for deduction of template arguments of '.*flat_map'}}}}
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}
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{
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// since we have parens, not braces, this deliberately does not find the initializer_list constructor
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std::flat_map m(PC{1, 1L});
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// expected-error-re@-1{{{{no viable constructor or deduction guide for deduction of template arguments of '.*flat_map'}}}}
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}
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}
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