| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // test type_info |
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| 10 | |
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| 11 | // UNSUPPORTED: no-rtti |
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| 12 | |
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| 13 | #include <typeinfo> |
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| 14 | #include <string> |
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| 15 | #include <cstring> |
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| 16 | #include <cassert> |
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| 17 | |
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| 18 | #include "test_macros.h" |
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| 19 | |
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| 20 | bool test_constructor_explicit(std::type_info const&) { return false; } |
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| 21 | bool test_constructor_explicit(std::string const&) { return true; } |
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| 22 | |
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| 23 | int main(int, char**) |
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| 24 | { |
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| 25 | { |
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| 26 | const std::type_info& t1 = typeid(int); |
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| 27 | const std::type_info& t2 = typeid(int); |
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| 28 | assert(t1 == t2); |
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| 29 | const std::type_info& t3 = typeid(short); |
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| 30 | assert(t1 != t3); |
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| 31 | assert(!t1.before(t2)); |
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| 32 | assert(std::strcmp(t1.name(), t2.name()) == 0); |
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| 33 | assert(std::strcmp(t1.name(), t3.name()) != 0); |
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| 34 | } |
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| 35 | { |
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| 36 | // type_info has a protected constructor taking a string literal. This |
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| 37 | // constructor is not intended for users. However it still participates |
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| 38 | // in overload resolution, so we need to ensure that it is marked explicit |
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| 39 | // to avoid ambiguous conversions. |
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| 40 | // See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216201 |
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| 41 | assert(test_constructor_explicit("abc" )); |
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| 42 | } |
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| 43 | |
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| 44 | return 0; |
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| 45 | } |
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| 46 | |
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