#include <ebcl/Arrays.hh>
#include <cppunit/extensions/HelperMacros.h>
using namespace ebcl;


class ArraysStaticBasicTest : public CppUnit::TestFixture
{
	CPPUNIT_TEST_SUITE( ArraysStaticBasicTest );
		CPPUNIT_TEST( testInitialValues );

		CPPUNIT_TEST( testAppendOne );
		CPPUNIT_TEST( testAppendTwo );

		CPPUNIT_TEST( testClear );

		CPPUNIT_TEST( testCopyCons );
		CPPUNIT_TEST( testCopyAss );

		CPPUNIT_TEST( testMoveCons );
		CPPUNIT_TEST( testMoveAss );

		CPPUNIT_TEST( testSwap );

		CPPUNIT_TEST( testAddAllEmpty );
		CPPUNIT_TEST( testAddAll );
		CPPUNIT_TEST( testAddAllLimit );
		CPPUNIT_TEST( testAddAllMove );

		CPPUNIT_TEST( testInsertEmpty );
		CPPUNIT_TEST( testInsertAfter );
		CPPUNIT_TEST( testInsertBefore );

		CPPUNIT_TEST( testRemoveEnd );
		CPPUNIT_TEST( testRemoveMiddle );
		CPPUNIT_TEST( testRemoveSwapEnd );
		CPPUNIT_TEST( testRemoveSwapMiddle );

		CPPUNIT_TEST( testIndexOf );
		CPPUNIT_TEST( testIndexOfMissing );
		CPPUNIT_TEST( testContains );
		CPPUNIT_TEST( testContainsMissing );

		CPPUNIT_TEST( testIndexOfPred );
		CPPUNIT_TEST( testIndexOfPredMissing );
		CPPUNIT_TEST( testContainsPred );
		CPPUNIT_TEST( testContainsPredMissing );

		CPPUNIT_TEST( testSort );
		CPPUNIT_TEST( testSortComparator );
		CPPUNIT_TEST( testSortPartial );

		CPPUNIT_TEST( testRangeOutside );
		CPPUNIT_TEST( testRangeLarger );
		CPPUNIT_TEST( testRangeSub );
	CPPUNIT_TEST_SUITE_END( );

public:
	void testInitialValues( );

	void testAppendOne( );
	void testAppendTwo( );

	void testClear( );

	void testCopyCons( );
	void testCopyAss( );

	void testMoveCons( );
	void testMoveAss( );

	void testSwap( );

	void testRemoveEnd( );
	void testRemoveMiddle( );
	void testRemoveSwapEnd( );
	void testRemoveSwapMiddle( );

	void testAddAllEmpty( );
	void testAddAll( );
	void testAddAllLimit( );
	void testAddAllMove( );

	void testInsertEmpty( );
	void testInsertAfter( );
	void testInsertBefore( );

	void testIndexOf( );
	void testIndexOfMissing( );
	void testContains( );
	void testContainsMissing( );

	void testIndexOfPred( );
	void testIndexOfPredMissing( );
	void testContainsPred( );
	void testContainsPredMissing( );

	void testSort( );
	void testSortComparator( );
	void testSortPartial( );

	void testRangeOutside( );
	void testRangeLarger( );
	void testRangeSub( );
};
CPPUNIT_TEST_SUITE_REGISTRATION( ArraysStaticBasicTest );

/*----------------------------------------------------------------------------*/

using T_Test_ = T_StaticArray< uint32_t , 8 >;

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testInitialValues( )
{
	T_Test_ array;
	CPPUNIT_ASSERT_EQUAL( uint32_t( 0 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 8 ) , array.capacity( ) );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testAppendOne( )
{
	T_Test_ array;
	array.add( 123 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
}

void ArraysStaticBasicTest::testAppendTwo( )
{
	T_Test_ array;
	array.add( 123 );
	array.add( 456 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 2 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testClear( )
{
	T_Test_ array;
	const uint32_t n = 8;
	for ( uint32_t i = 0 ; i < n ; i ++ ) {
		array.add( i );
	}
	array.clear( );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 0 ) , array.size( ) );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testCopyCons( )
{
	T_Test_ array;
	array.add( 1 );

	T_Test_ copy( array );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , copy.size( ) );
	CPPUNIT_ASSERT_EQUAL( array.capacity( ) , copy.capacity( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , copy[ 0 ] );

	copy.add( 2 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array.size( ) );
}

void ArraysStaticBasicTest::testCopyAss( )
{
	T_Test_ array;
	array.add( 1 );

	T_Test_ copy;
	copy = array;
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , copy.size( ) );
	CPPUNIT_ASSERT_EQUAL( array.capacity( ) , copy.capacity( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , copy[ 0 ] );

	copy.add( 2 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array.size( ) );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testMoveCons( )
{
	T_Test_ init;
	init.add( 1 );
	T_Test_ array( std::move( init ) );
	CPPUNIT_ASSERT_EQUAL( 0u , init.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array[ 0 ] );
}

void ArraysStaticBasicTest::testMoveAss( )
{
	T_Test_ init;
	init.add( 1 );

	T_Test_ array;
	array = std::move( init );
	CPPUNIT_ASSERT_EQUAL( 0u , init.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array[ 0 ] );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testSwap( )
{
	T_Test_ a1 , a2;
	a1 << 1 << 2 << 3;
	a2 << 2 << 4 << 6 << 8;
	swap( a1 , a2 );

	CPPUNIT_ASSERT_EQUAL( uint32_t( 4 ) , a1.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 3 ) , a2.size( ) );
	for ( uint32_t i = 0 ; i < 3 ; i ++ ) {
		CPPUNIT_ASSERT( a1[ i ] == a2[ i ] * 2 );
	}
	CPPUNIT_ASSERT( a1[ 3 ] == 8 );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testAddAllEmpty( )
{
	T_Test_ empty , array;
	array << 123 << 456 << 789;
	array.addAll( empty );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 3 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 789 ) , array[ 2 ] );
}

void ArraysStaticBasicTest::testAddAll( )
{
	T_Test_ array , other;
	array << 123 << 456 << 789;
	other << 627 << 951 << 843;
	array.addAll( other );

	CPPUNIT_ASSERT_EQUAL( 6u , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( 3u , other.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 789 ) , array[ 2 ] );
	for ( uint32_t i = 0 ; i < 3 ; i ++ ) {
		CPPUNIT_ASSERT_EQUAL( other[ i ] , array[ i + 3 ] );
	}
}

void ArraysStaticBasicTest::testAddAllLimit( )
{
	T_Test_ array , other;
	for ( auto i = 0u ; i < 4 ; i ++ ) {
		array.add( i );
		other.add( i + 4 );
	}
	array.addAll( other );

	CPPUNIT_ASSERT_EQUAL( 8u , array.size( ) );
	for ( uint32_t i = 0 ; i < 8 ; i ++ ) {
		CPPUNIT_ASSERT_EQUAL( i , array[ i ] );
	}
}

void ArraysStaticBasicTest::testAddAllMove( )
{
	T_Test_ array , other;
	array << 123 << 456 << 789;
	other << 627 << 951 << 843;
	array.addAll( std::move( other ) );

	CPPUNIT_ASSERT_EQUAL( 6u , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( 0u , other.size( ) );
	CPPUNIT_ASSERT_EQUAL( 123u , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( 456u , array[ 1 ] );
	CPPUNIT_ASSERT_EQUAL( 789u , array[ 2 ] );
	CPPUNIT_ASSERT_EQUAL( 627u , array[ 3 ] );
	CPPUNIT_ASSERT_EQUAL( 951u , array[ 4 ] );
	CPPUNIT_ASSERT_EQUAL( 843u , array[ 5 ] );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testInsertEmpty( )
{
	T_Test_ array;
	array.insert( 0 , 123 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 1 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
}

void ArraysStaticBasicTest::testInsertAfter( )
{
	T_Test_ array;
	array << 123 << 456;
	array.insert( 2 , 789 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 3 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 789 ) , array[ 2 ] );
}

void ArraysStaticBasicTest::testInsertBefore( )
{
	T_Test_ array;
	array << 456 << 789;
	array.insert( 0 , 123 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 3 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 789 ) , array[ 2 ] );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testRemoveEnd( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	array.remove( 2 );

	CPPUNIT_ASSERT_EQUAL( uint32_t( 2 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
}

void ArraysStaticBasicTest::testRemoveMiddle( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	array.remove( 0 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 2 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 789 ) , array[ 1 ] );
}

void ArraysStaticBasicTest::testRemoveSwapEnd( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	array.removeSwap( 2 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 2 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 123 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
}

void ArraysStaticBasicTest::testRemoveSwapMiddle( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	array.removeSwap( 0 );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 2 ) , array.size( ) );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 789 ) , array[ 0 ] );
	CPPUNIT_ASSERT_EQUAL( uint32_t( 456 ) , array[ 1 ] );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testIndexOf( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT_EQUAL( int32_t( 1 ) , array.indexOf( 456 ) );
}

void ArraysStaticBasicTest::testIndexOfMissing( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT_EQUAL( int32_t( -1 ) , array.indexOf( 101112 ) );
}

void ArraysStaticBasicTest::testContains( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT( array.contains( 456 ) );
}

void ArraysStaticBasicTest::testContainsMissing( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT( !array.contains( 101112 ) );
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testIndexOfPred( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT_EQUAL( 0 , array.indexOf( [](auto i ) {
				return i > 100;
			} ) );
}

void ArraysStaticBasicTest::testIndexOfPredMissing( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT_EQUAL( -1 , array.indexOf( [](auto i ) {
				return i > 1000;
			} ) );
}

void ArraysStaticBasicTest::testContainsPred( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT( array.contains( [](auto i ) {
				return i > 100;
			} ) );

}

void ArraysStaticBasicTest::testContainsPredMissing( )
{
	T_Test_ array;
	array << 123 << 456 << 789;
	CPPUNIT_ASSERT( !array.contains( [](auto i ) {
				return i > 1000;
			} ) );

}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testSort( )
{
	T_StaticArray< uint32_t , 5000 > array;
	for ( uint32_t i = 0 ; i < 5000 ; i ++ ) {
		array << std::rand( );
	}
	array.sort( );

	for ( uint32_t i = 1 ; i < 5000 ; i ++ ) {
		CPPUNIT_ASSERT( array[ i ] >= array[ i - 1 ] );
	}
}

void ArraysStaticBasicTest::testSortComparator( )
{
	T_StaticArray< uint32_t , 5000 > array;
	for ( uint32_t i = 0 ; i < 5000 ; i ++ ) {
		array << std::rand( );
	}
	array.sort( []( uint32_t const& a , uint32_t const& b ) {
		return T_Comparator< uint32_t >::compare( b , a );
	} );

	for ( uint32_t i = 1 ; i < 5000 ; i ++ ) {
		CPPUNIT_ASSERT( array[ i ] <= array[ i - 1 ] );
	}
}

void ArraysStaticBasicTest::testSortPartial( )
{
	T_StaticArray< uint32_t , 5000 > array;
	for ( uint32_t i = 0 ; i < 5000 ; i ++ ) {
		array << std::rand( );
	}
	decltype( array ) copy( array );
	array.sort( 1000 , 1000 );

	for ( uint32_t i = 0 ; i < 1000 ; i ++ ) {
		CPPUNIT_ASSERT_EQUAL( copy[ i ] , array[ i ]  );
	}
	for ( uint32_t i = 1001 ; i < 2000 ; i ++ ) {
		CPPUNIT_ASSERT( array[ i ] >= array[ i - 1 ] );
	}
	for ( uint32_t i = 2000 ; i < 5000 ; i ++ ) {
		CPPUNIT_ASSERT_EQUAL( copy[ i ] , array[ i ]  );
	}
}

/*----------------------------------------------------------------------------*/

void ArraysStaticBasicTest::testRangeOutside( )
{
	T_Test_ array;
	for ( uint32_t i = 0 ; i < 8 ; i ++ ) {
		array << std::rand( );
	}
	T_Test_ range( array.copyRange( 100 , 1000 ) );
	CPPUNIT_ASSERT_EQUAL( 0u , range.size( ) );
}

void ArraysStaticBasicTest::testRangeLarger( )
{
	T_Test_ array;
	for ( uint32_t i = 0 ; i < 8 ; i ++ ) {
		array << std::rand( );
	}
	T_Test_ range( array.copyRange( 4 ) );
	CPPUNIT_ASSERT_EQUAL( 4u , range.size( ) );
	for ( uint32_t i = 0 ; i < 4 ; i ++ ) {
		CPPUNIT_ASSERT_EQUAL( array[ i + 4 ] , range[ i ] );
	}
}

void ArraysStaticBasicTest::testRangeSub( )
{
	T_Test_ array;
	for ( uint32_t i = 0 ; i < 8 ; i ++ ) {
		array << std::rand( );
	}
	T_Test_ range( array.copyRange( 2 , 5 ) );
	CPPUNIT_ASSERT_EQUAL( 4u , range.size( ) );
	for ( uint32_t i = 0 ; i < 4 ; i ++ ) {
		CPPUNIT_ASSERT_EQUAL( array[ i + 2 ] , range[ i ] );
	}
}