Vulkan-Hpp/tests/ArrayProxy/ArrayProxy.cpp

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// Copyright(c) 2018, NVIDIA CORPORATION. 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 Samples : ArrayProxy
// Compile test on using vk::ArrayProxy
#include "vulkan/vulkan.hpp"
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#include <iostream>
#if ( 20 <= VULKAN_HPP_CPP_VERSION )
# include <span>
#endif
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void fct( vk::ArrayProxy<int> /*ap*/ ) {}
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void fctc( vk::ArrayProxy<const int> /*ap*/ ) {}
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int main( int /*argc*/, char ** /*argv*/ )
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{
try
{
// to prevent a warning on unreferenced function vk::getDispatchLoaderStatic, use just one arbitrary vk-function
(void)vk::enumerateInstanceVersion();
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// nullptr_t
fct( nullptr );
fctc( nullptr );
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vk::ArrayProxy<int> ap0 = nullptr;
assert( ap0.size() == 0 );
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// Type
// fct(2); // not supported: cannot convert argument 1 from 'int' to 'vk::ArrayProxy<int>'
fctc( 1 );
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int i0 = 1;
fct( i0 );
fctc( i0 );
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const int i1 = 2;
// fct(i1); // not supported: cannot convert argument 1 from 'const int' to 'vk::ArrayProxy<int>'
fctc( i1 );
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vk::ArrayProxy<const int> ap1 = 1;
assert( ap1.size() == 1 );
vk::ArrayProxy<const int> ap2 = i0;
assert( ap2.size() == 1 );
vk::ArrayProxy<const int> ap3 = i1;
assert( ap3.size() == 1 );
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// count, T *
int * i0p = &i0;
fct( { 1, i0p } );
fctc( { 1, i0p } );
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// count, T const*
int const * i1p = &i1;
// fct({ 1, i1p }); // not supported: cannot convert argument 1 from 'initializer list' to 'vk::ArrayProxy<int>'
fctc( { 1, i1p } );
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vk::ArrayProxy<const int> ap4 = { 1, i0p };
assert( ap4.size() == 1 );
vk::ArrayProxy<const int> ap5 = { 1, i1p };
assert( ap5.size() == 1 );
// T[count]
int ia0[2] = { 0, 1 };
fct( ia0 );
fctc( ia0 );
// const T[count]
const int ia1[2] = { 0, 1 };
// fct( ia1 ); // not supported: cannot convert argument 1 from 'const int [2]' to 'vk::ArrayProxy<int>'
fctc( ia1 );
vk::ArrayProxy<const int> ap6 = ia0;
assert( ap6.size() == 2 );
vk::ArrayProxy<const int> ap7 = ia1;
assert( ap7.size() == 2 );
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// std::array<T,N>
std::array<int, 2> sa0 = { 0, 1 };
fct( sa0 );
fctc( sa0 );
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// std::array<T,N> const
std::array<const int, 2> sa1 = { 0, 1 };
// fct(sa1); // not supported: cannot convert argument 1 from 'std::array<const int,2>' to 'vk::ArrayProxy<int>'
fctc( sa1 );
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std::array<int, 2> const sa2 = { 1, 2 };
// fct(sa2); // not supported: cannot convert from 'const _Ty *' to 'T *'
fctc( sa2 );
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std::array<const int, 2> const sa3 = { 1, 2 };
// fct(sa3); // not supported: cannot convert argument 1 from 'const std::array<const int,2>' to 'vk::ArrayProxy<int>'
fctc( sa3 );
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vk::ArrayProxy<int> ap8 = sa0;
assert( ap8.size() == 2 );
// vk::ArrayProxy<int> ap9 = sa1; // not supported: cannot convert from 'std::array<const int,2>' to 'vk::ArrayProxy<int>'
// vk::ArrayProxy<int> ap10 = sa2; // not supported: cannot convert from '_Ty *' to 'T *'
// vk::ArrayProxy<int> ap11 = sa3; // not supported: cannot convert from 'const std::array<const int,2>' to 'vk::ArrayProxy<int>'
vk::ArrayProxy<const int> ap12 = sa0;
assert( ap12.size() == 2 );
vk::ArrayProxy<const int> ap13 = sa1;
assert( ap13.size() == 2 );
vk::ArrayProxy<const int> ap14 = sa2;
assert( ap14.size() == 2 );
vk::ArrayProxy<const int> ap15 = sa3;
assert( ap15.size() == 2 );
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// std::vector<T>
std::vector<int> sv0 = { 0, 1 };
fct( sv0 );
fctc( sv0 );
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std::vector<int> const sv1 = { 0, 1 };
// fct(sv1); // not supported: cannot convert from 'const _Ty *' to 'T *'
fctc( sv1 );
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vk::ArrayProxy<int> ap16 = sv0;
assert( ap16.size() == 2 );
// vk::ArrayProxy<int> ap17 = sv1; // not supported: cannot convert from '_Ty *' to 'T *'
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vk::ArrayProxy<const int> ap18 = sv0;
assert( ap18.size() == 2 );
vk::ArrayProxy<const int> ap19 = sv1;
assert( ap19.size() == 2 );
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// std::initializer_list
fct( {} );
fctc( {} );
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// fct({ 0, 1 }); // not supported: cannot convert from 'const _Elem *' to 'T *'
fctc( { 0, 1 } );
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int a = 0;
int b = 1;
// fct({ a, b }); // not supported: cannot convert from 'const _Elem *' to 'T *'
fctc( { a, b } );
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auto il0 = { 0, 1 }; // -> std::initializer_list<int>
// fct(il0); // not supported: cannot convert from 'const _Elem *' to 'T *'
fctc( il0 );
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std::initializer_list<int> il1 = { 0, 1 };
// fct(il1); // not supported: cannot convert from 'const _Elem *' to 'T *'
fctc( il1 );
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std::initializer_list<const int> il2 = { 0, 1 };
// fct(il2); // not supported: cannot convert argument 1 from 'std::initializer_list<T>' to 'vk::ArrayProxy<int>'
fctc( il2 );
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std::initializer_list<int> const il3 = { 0, 1 };
// fct(il3); // not supported: cannot convert from 'const _Elem *' to 'T *'
fctc( il3 );
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std::initializer_list<const int> const il4 = { 0, 1 };
// fct(il4); // not supported: cannot convert argument 1 from 'const std::initializer_list<T>' to 'vk::ArrayProxy<int>'
fctc( il4 );
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// vk::ArrayProxy<int> ap20 = il1; // not supported: cannot convert from 'const _Elem *' to 'T *'
// vk::ArrayProxy<int> ap21 = il2; // not supported: cannot convert from 'std::initializer_list<T>' to 'vk::ArrayProxy<int>'
// vk::ArrayProxy<int> ap22 = il3; // not supported: cannot convert from 'const _Elem *' to 'T *'
// vk::ArrayProxy<int> ap23 = il4; // not supported: cannot convert from 'const std::initializer_list<T>' to 'vk::ArrayProxy<int>'
vk::ArrayProxy<const int> ap24 = {};
assert( ap24.size() == 0 );
vk::ArrayProxy<const int> ap25 = { 0, 1 };
assert( ap25.size() == 2 );
vk::ArrayProxy<const int> ap26 = il1;
assert( ap26.size() == 2 );
vk::ArrayProxy<const int> ap27 = il2;
assert( ap27.size() == 2 );
vk::ArrayProxy<const int> ap28 = il3;
assert( ap28.size() == 2 );
vk::ArrayProxy<const int> ap29 = il4;
assert( ap29.size() == 2 );
#if defined( VULKAN_HPP_SUPPORT_SPAN )
// std::span<T, N>
std::span<int> ss0( sa0.begin(), sa0.size() );
fct( ss0 );
fctc( ss0 );
// std::span<T,N> const
std::span<const int> ss1( sa1.begin(), sa1.size() );
// fct(ss1); // not supported: cannot convert from 'std::span<const int>' to 'vk::ArrayProxy<int>'
fctc( ss1 );
std::span<int> const ss2;
fct( ss2 );
fctc( ss2 );
std::span<const int> const ss3( sa3.begin(), sa3.end() );
// fct(ss3); // not supported: cannot convert from 'const std::span<const int>' to 'vk::ArrayProxy<int>'
fctc( ss3 );
vk::ArrayProxy<const int> ap30 = ss0;
assert( ap30.size() == 2 );
vk::ArrayProxy<const int> ap31 = ss1;
assert( ap31.size() == 2 );
vk::ArrayProxy<const int> ap32 = ss2;
assert( ap32.size() == 2 );
vk::ArrayProxy<const int> ap33 = ss3;
assert( ap33.size() == 2 );
#endif
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}
catch ( vk::SystemError const & err )
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{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit( -1 );
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}
catch ( ... )
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{
std::cout << "unknown error\n";
exit( -1 );
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}
return 0;
}