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[libc++] Various cleanups in the ranges tests
- Rename test files to follow conventions better - Split constructor tests that were in a single file - Add missing tests for take_view and transform_view's default constructors - Add missing tests for transform_view's view/function constructor - Fix include guards - Mark some tests as being specific to libc++ Differential Revision: https://reviews.llvm.org/D108829
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libcxx/test/std/ranges/range.adaptors/range.take/ctor.default.pass.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // 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++03, c++11, c++14, c++17 | ||
| // UNSUPPORTED: libcpp-no-concepts | ||
| // UNSUPPORTED: libcpp-has-no-incomplete-ranges | ||
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| // take_view() requires default_initializable<V> = default; | ||
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| #include <ranges> | ||
| #include <cassert> | ||
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| int buff[8] = {1, 2, 3, 4, 5, 6, 7, 8}; | ||
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| struct DefaultConstructible : std::ranges::view_base { | ||
| constexpr DefaultConstructible() : begin_(buff), end_(buff + 8) { } | ||
| constexpr int const* begin() const { return begin_; } | ||
| constexpr int const* end() const { return end_; } | ||
| private: | ||
| int const* begin_; | ||
| int const* end_; | ||
| }; | ||
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| struct NonDefaultConstructible : std::ranges::view_base { | ||
| NonDefaultConstructible() = delete; | ||
| int* begin() const; | ||
| int* end() const; | ||
| }; | ||
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| constexpr bool test() { | ||
| { | ||
| std::ranges::take_view<DefaultConstructible> tv; | ||
| assert(tv.begin() == buff); | ||
| assert(tv.size() == 0); | ||
| } | ||
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| // Test SFINAE-friendliness | ||
| { | ||
| static_assert( std::is_default_constructible_v<std::ranges::take_view<DefaultConstructible>>); | ||
| static_assert(!std::is_default_constructible_v<std::ranges::take_view<NonDefaultConstructible>>); | ||
| } | ||
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| return true; | ||
| } | ||
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| int main(int, char**) { | ||
| test(); | ||
| static_assert(test()); | ||
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| return 0; | ||
| } |
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78 changes: 78 additions & 0 deletions
78
libcxx/test/std/ranges/range.adaptors/range.transform/ctor.default.pass.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // 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++03, c++11, c++14, c++17 | ||
| // UNSUPPORTED: libcpp-no-concepts | ||
| // UNSUPPORTED: libcpp-has-no-incomplete-ranges | ||
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| // transform_view() requires std::default_initializable<V> && | ||
| // std::default_initializable<F> = default; | ||
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| #include <ranges> | ||
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| #include <cassert> | ||
| #include <type_traits> | ||
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| constexpr int buff[] = {1, 2, 3}; | ||
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| struct DefaultConstructibleView : std::ranges::view_base { | ||
| constexpr DefaultConstructibleView() : begin_(buff), end_(buff + 3) { } | ||
| constexpr int const* begin() const { return begin_; } | ||
| constexpr int const* end() const { return end_; } | ||
| private: | ||
| int const* begin_; | ||
| int const* end_; | ||
| }; | ||
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| struct DefaultConstructibleFunction { | ||
| int state_; | ||
| constexpr DefaultConstructibleFunction() : state_(100) { } | ||
| constexpr int operator()(int i) const { return i + state_; } | ||
| }; | ||
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| struct NoDefaultView : std::ranges::view_base { | ||
| NoDefaultView() = delete; | ||
| int* begin() const; | ||
| int* end() const; | ||
| }; | ||
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| struct NoDefaultFunction { | ||
| NoDefaultFunction() = delete; | ||
| constexpr int operator()(int i) const; | ||
| }; | ||
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| constexpr bool test() { | ||
| { | ||
| std::ranges::transform_view<DefaultConstructibleView, DefaultConstructibleFunction> view; | ||
| assert(view.size() == 3); | ||
| assert(view[0] == 101); | ||
| assert(view[1] == 102); | ||
| assert(view[2] == 103); | ||
| } | ||
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| { | ||
| std::ranges::transform_view<DefaultConstructibleView, DefaultConstructibleFunction> view = {}; | ||
| assert(view.size() == 3); | ||
| assert(view[0] == 101); | ||
| assert(view[1] == 102); | ||
| assert(view[2] == 103); | ||
| } | ||
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| static_assert(!std::is_default_constructible_v<std::ranges::transform_view<NoDefaultView, DefaultConstructibleFunction>>); | ||
| static_assert(!std::is_default_constructible_v<std::ranges::transform_view<DefaultConstructibleView, NoDefaultFunction>>); | ||
| static_assert(!std::is_default_constructible_v<std::ranges::transform_view<NoDefaultView, NoDefaultFunction>>); | ||
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| return true; | ||
| } | ||
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| int main(int, char**) { | ||
| test(); | ||
| static_assert(test()); | ||
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| return 0; | ||
| } |
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