Vulkan-Hpp/tests/ResultValue/ResultValue.cpp

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// Copyright(c) 2020, Collabora Ltd. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// VulkanHpp Tests : ResultValue
// Compile-test for ResultValue
#define VULKAN_HPP_DISPATCH_LOADER_DYNAMIC 1
#include "vulkan/vulkan.hpp"
VULKAN_HPP_DEFAULT_DISPATCH_LOADER_DYNAMIC_STORAGE
void as_value( int ) {}
void as_ref( int & ) {}
void as_rvref( int && ) {}
void as_cref( const int & ) {}
void as_crvref( const int && ) {}
void as_cref( const vk::UniquePipeline & ) {}
int main( int /*argc*/, char ** /*argv*/ )
{
#if defined( VULKAN_DISABLE_IMPLICIT_RESULT_VALUE_CAST )
static_assert( false, "Conversions not enabled" );
#endif
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using result = vk::ResultValue<int>;
auto val = result{ vk::Result{}, 42 };
const auto cval = result{ vk::Result{}, 42 };
as_value( val );
as_value( cval );
as_ref( val );
// as_ref(cval); // should fail
as_cref( val );
as_cref( cval );
as_rvref( std::move( val ) );
// as_rvref(std::move(cval)); // should fail
as_crvref( std::move( val ) );
as_crvref( std::move( cval ) );
vk::Pipeline pipe( VkPipeline( 0x8 ) ); // fake a Pipeline here, to have something different from zero
vk::UniquePipeline pipeline( pipe );
vk::ResultValue<vk::UniquePipeline> rv( {}, std::move( pipeline ) );
as_cref( rv ); // does not move out handle
assert( rv.value );
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auto p = std::move( rv.value );
p.release(); // release the faked Pipeline, to prevent error on trying to destroy it
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return 0;
}