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/*
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 * test-database.cc
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 *
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 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
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 *
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 * This file is part of sqlite3cc (hereafter referred to as "this program").
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 * See http://www.waxworlds.org/edam/software/sqlite3cc for more information.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as published
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 * by the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#include <sqlite3cc.h>
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#include <boost/filesystem.hpp>
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#define DBFILE "test.db"
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int main()
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{
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	// delete any existing test database
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	if( boost::filesystem::exists( DBFILE ) )
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		boost::filesystem::remove( DBFILE );
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	// open database
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	sqlite::connection db( DBFILE );
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	std::cout << "SQLite threading mode: " << sqlite::threadsafe() << "\n";
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	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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	// test basic statement, via command class
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	sqlite::command c1( db,
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		"CREATE TABLE pets ( "
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			"name TEXT PRIMARY KEY, "
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			"age INTEGER "
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		")" );
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	c1.step();
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	// test basic_statement bind() calls, via command
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	sqlite::command c2( db, "INSERT INTO pets VALUES( ?, ? )" );
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	c2.bind( 1, "billy" ); c2.bind( 2, 12 ); c2.exec();
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	sqlite::command c3( db, "INSERT INTO pets VALUES( ?6, ?9 )" );
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	c3.bind( 9, 16 ); c3.bind( 6, "mopti" ); c3.exec();
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	sqlite::command c6( db, "INSERT INTO pets VALUES( ?, ? )" );
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	c6.bind_null( 1 ); c6.bind( 2, 123 ); c6.exec();
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	sqlite::command c7( db, "INSERT INTO pets VALUES( :foo, :bar )" );
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	c7.bind( ":foo", "foocat" ); c7.bind( ":bar", 22 ); c7.exec();
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	// test command binding via stream operator
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	sqlite::command( db, "INSERT INTO pets VALUES( ?, ? )" ) <<
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		"tessa" << 16 << sqlite::exec;
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	sqlite::command c4( db, "INSERT INTO pets VALUES( ?, ? )" );
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	c4 << sqlite::null << sqlite::null << sqlite::set_index( 1 ) <<
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		"tamara" << sqlite::exec;
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	assert( c4.changes() == 1 );
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	// test query binding via stream operator
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	sqlite::query( db, "SELECT * FROM pets WHERE name = ? OR age = ?" )
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		<< "foo" << 16;
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	sqlite::query( db, "SELECT * FROM pets WHERE name = ? OR name = ? OR "
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		"name = ? OR name = ?" ) << "foo" << sqlite::null << sqlite::null
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		<< sqlite::set_index( 1 ) << "bar" << "baz";
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	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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	// test basic queries
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	sqlite::query q1( db, "SELECT age, age + 3, name "
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		"FROM pets WHERE NOT age IS NULL "
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		"ORDER BY age ASC" );
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	// test column count and names
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	assert( q1.column_count() == 3 );
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	assert( q1.column_name( 2 ) == "name" );
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	// test rows
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	unsigned int age;
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	std::string name;
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	q1.step().column( 0, age ); assert( age == 12 );
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	name = q1.step().column< std::string >( 2 ); assert( name == "mopti" );
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	// test row stream operator
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	sqlite::row r1 = q1.step();
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	r1 >> age; assert( age == 16 );
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	r1 >> age; assert( age == 19 );
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	r1 >> name; assert( name == "tessa" );
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	q1.step() >> age >> sqlite::null >> name;
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	assert( age == 22 && name == "foocat" );
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	sqlite::row row = q1.step();
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	row >> age >> sqlite::null >> sqlite::null; assert( age == 123 );
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	row >> sqlite::set_index( 1 ) >> age; assert( age == 126 );
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	// test NULL value handling
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	assert( row.column_type( 2 ) == SQLITE_NULL );
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	age = row.column< unsigned int >( 2 ); assert( age == 0 );
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	row.column( 2, name ); assert( name == "" );
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	// test end of results
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	assert( !q1.step() );
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	// test num results
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	sqlite::query q3( db, "SELECT name FROM pets WHERE age = 16" );
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	assert( q3.num_results() == 2 );
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	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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	// test query iterator
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	sqlite::query q2( db, "SELECT * FROM pets ORDER BY age DESC" );
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	sqlite::query::iterator i1 = q2.begin();
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	assert( i1 != q2.end() );
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	// test resetting iterators
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	unsigned int count = 0;
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	for( sqlite::query::iterator i = q2.begin(); i != q2.end(); i++ )
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	{
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		// test iterator dereferencing and row numbers
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		assert( count++ == i->row_number() );
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		if( i->row_number() == 3 )
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			assert( i->column< std::string >( 0 ) == "tessa" &&
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				i->column< unsigned int >( 1 ) == 16 );
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	}
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//	for( sqlite::query::iterator i = q2.begin(); i != q2.end(); i++ ) {
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//		for( unsigned int a = 0; a < q2.column_count(); a++ )
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//			std::cout << q2.column_name( a ) << "[" <<
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//			i->column< std::string >( a ) << "] ";
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//		std::cout << "\n";
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//	}
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	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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	// test transactions
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	{
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		sqlite::transaction_guard< sqlite::deferred_tranaction > t1( db );
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	}
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	{
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		sqlite::transaction_guard< sqlite::immediate_transaction > t1( db );
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	}
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	{
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		sqlite::transaction_guard< sqlite::exclusive_transaction > t1( db );
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	}
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	{
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		sqlite::transaction_guard< sqlite::recursive_transaction > t1( db );
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		sqlite::transaction_guard< sqlite::recursive_transaction > t2( db );
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	}
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	// test transaction guard rollback
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	{
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		sqlite::transaction_guard< > t1( db );
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		db.exec( "UPDATE pets SET age = 99" );
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	}
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	sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
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		.step() >> age; assert( age == 123 );
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	// text recursive transactions
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	{
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		sqlite::transaction_guard< sqlite::recursive_transaction > t1( db );
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		db.exec( "UPDATE pets SET age = 66" );
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		{
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			sqlite::transaction_guard< sqlite::recursive_transaction > t2( db );
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			db.exec( "UPDATE pets SET age = 1" );
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		}
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		sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
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			.step() >> age; assert( age == 66 );
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	}
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	sqlite::query( db, "SELECT age FROM pets ORDER BY age DESC LIMIT 1" )
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		.step() >> age; assert( age == 123 );
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	// ok
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	return 0;
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}