mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-23 05:46:11 +01:00
7c25dae9ea
The support is to be considered experimental, that is, the interfaces, the first party generators and helper functions can change or be removed at any point in time. Related to #850
94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
#include "catch.hpp"
|
|
|
|
// Tests of generartor implementation details
|
|
|
|
TEST_CASE("Generators impl", "[impl]") {
|
|
using namespace Catch::Generators;
|
|
|
|
SECTION( "range" ) {
|
|
auto gen = range(1,3);
|
|
|
|
CHECK( gen.size() == 2 );
|
|
|
|
CHECK( gen[0] == 1 );
|
|
CHECK( gen[1] == 2 );
|
|
}
|
|
SECTION( "fixed values" ) {
|
|
auto gen = values( { 3, 1, 4, 1 } );
|
|
|
|
CHECK( gen.size() == 4 );
|
|
CHECK( gen[0] == 3 );
|
|
CHECK( gen[1] == 1 );
|
|
CHECK( gen[2] == 4 );
|
|
CHECK( gen[3] == 1 );
|
|
}
|
|
SECTION( "combined" ) {
|
|
auto gen = makeGenerators( range( 1, 3 ), values( { 9, 7 } ) );
|
|
|
|
CHECK( gen.size() == 4 );
|
|
CHECK( gen[0] == 1 );
|
|
CHECK( gen[1] == 2 );
|
|
CHECK( gen[2] == 9 );
|
|
CHECK( gen[3] == 7 );
|
|
}
|
|
|
|
SECTION( "values" ) {
|
|
auto gen = makeGenerators( 3, 1 );
|
|
|
|
CHECK( gen.size() == 2 );
|
|
CHECK( gen[0] == 3 );
|
|
CHECK( gen[1] == 1 );
|
|
}
|
|
SECTION( "values2" ) {
|
|
auto gen = makeGenerators( 3, 1 );
|
|
|
|
CHECK( gen.size() == 2 );
|
|
CHECK( gen[0] == 3 );
|
|
CHECK( gen[1] == 1 );
|
|
}
|
|
|
|
|
|
SECTION( "type erasure" ) {
|
|
auto gen = makeGenerators( range( 7, 10 ), 11 );
|
|
|
|
// Make type erased version
|
|
auto dynCopy = pf::make_unique<Generators<int>>( std::move( gen ) );
|
|
std::unique_ptr<GeneratorBase const> base = std::move( dynCopy );
|
|
|
|
// Only thing we can do is ask for the size
|
|
CHECK( base->size() == 4 );
|
|
|
|
// Restore typed version
|
|
auto typed = dynamic_cast<Generators<int> const*>( base.get() );
|
|
REQUIRE( typed );
|
|
CHECK( typed->size() == 4 );
|
|
CHECK( (*typed)[0] == 7 );
|
|
CHECK( (*typed)[3] == 11 );
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Generators impl - random", "[approvals]") {
|
|
using namespace Catch::Generators;
|
|
|
|
SECTION( "random range" ) {
|
|
auto gen = random( 3, 9 );
|
|
|
|
CHECK( gen.size() == 6 );
|
|
for( size_t i = 0; i < 6; ++i ) {
|
|
CHECK( gen[i] >= 3 );
|
|
CHECK( gen[i] <= 8 );
|
|
if( i > 0 )
|
|
CHECK( gen[i] != gen[i-1] );
|
|
}
|
|
}
|
|
SECTION( "random selection" ) {
|
|
auto gen = random<int>( 10 );
|
|
|
|
CHECK( gen.size() == 10 );
|
|
for( size_t i = 0; i < 10; ++i ) {
|
|
if( i > 0 )
|
|
CHECK( gen[i] != gen[i-1] );
|
|
}
|
|
}
|
|
}
|