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#include <QtTest/QtTest>
#include <q3sqlcursor.h>
#include <qsqlfield.h>
#include <qsqldriver.h>


#include "../qsqldatabase/tst_databases.h"


//TESTED_FILES=

QT_FORWARD_DECLARE_CLASS(QSqlDatabase)

class tst_Q3SqlCursor : public QObject
{
Q_OBJECT

public:
    tst_Q3SqlCursor();
    virtual ~tst_Q3SqlCursor();


public slots:
    void initTestCase();
    void cleanupTestCase();
    void init();
    void cleanup();
private slots:
    void copyConstructor_data() { generic_data(); }
    void copyConstructor();

    void value_data() { generic_data(); }
    void value();
    void primaryIndex_data() { generic_data(); }
    void primaryIndex();
    void insert_data() { generic_data(); }
    void insert();
    void select_data() { generic_data(); }
    void select();
    void setFilter_data() { generic_data(); }
    void setFilter();
    void setName_data() { generic_data(); }
    void setName();

    // problem specific tests
    void unicode_data() { generic_data(); }
    void unicode();
    void precision_data() { generic_data(); }
    void precision();
    void insertORA_data() { generic_data("QOCI"); }
    void insertORA();
    void batchInsert_data() { generic_data(); }
    void batchInsert();
    void insertSpecial_data() { generic_data(); }
    void insertSpecial();
    void updateNoPK_data() { generic_data(); }
    void updateNoPK();
    void insertFieldNameContainsWS_data() { generic_data(); }
    void insertFieldNameContainsWS(); // For task 117996

private:
    void generic_data(const QString &engine=QString());
    void createTestTables( QSqlDatabase db );
    void dropTestTables( QSqlDatabase db );
    void populateTestTables( QSqlDatabase db );

    tst_Databases dbs;
};

tst_Q3SqlCursor::tst_Q3SqlCursor()
{
}

tst_Q3SqlCursor::~tst_Q3SqlCursor()
{
}

void tst_Q3SqlCursor::generic_data(const QString &engine)
{
    if ( dbs.fillTestTable(engine) == 0 ) {
        if(engine.isEmpty())
	   QSKIP( "No database drivers are available in this Qt configuration", SkipAll );
        else
           QSKIP( (QString("No database drivers of type %1 are available in this Qt configuration").arg(engine)).toLocal8Bit(), SkipAll );
    }
}

void tst_Q3SqlCursor::createTestTables( QSqlDatabase db )
{
    if ( !db.isValid() )
	return;
    QSqlQuery q( db );
    // please never ever change this table; otherwise fix all tests ;)
    if ( tst_Databases::isMSAccess( db ) ) {
	QVERIFY_SQL(q, exec( "create table " + qTableName( "qtest" ) + " ( id int not null, t_varchar varchar(40) not null,"
			 "t_char char(40), t_numeric number, primary key (id, t_varchar) )" ));
    } else {
	QVERIFY_SQL(q, exec( "create table " + qTableName( "qtest" ) + " ( id int not null, t_varchar varchar(40) not null,"
			 "t_char char(40), t_numeric numeric(6, 3), primary key (id, t_varchar) )" ));
    }

    if ( tst_Databases::isSqlServer( db ) ) {
	//workaround for SQL SERVER since he can store unicode only in nvarchar fields
	QVERIFY_SQL(q, exec("create table " + qTableName("qtest_unicode") + " (id int not null, "
		       "t_varchar nvarchar(40) not null, t_char nchar(40) )" ));
    } else {
	QVERIFY_SQL(q, exec("create table " + qTableName("qtest_unicode") + " (id int not null, "
		       "t_varchar varchar(40) not null," "t_char char(40))" ));
    }

    if (tst_Databases::isMSAccess(db)) {
	QVERIFY_SQL(q, exec("create table " + qTableName("qtest_precision") + " (col1 number)"));
    } else if (db.driverName().startsWith("QIBASE")) {
	QVERIFY_SQL(q, exec("create table " + qTableName("qtest_precision") + " (col1 numeric(15, 14))"));
    } else {
	QVERIFY_SQL(q, exec("create table " + qTableName("qtest_precision") + " (col1 numeric(15, 14))"));
    }
}

void tst_Q3SqlCursor::dropTestTables( QSqlDatabase db )
{
    if ( !db.isValid() )
	return;
    QStringList tableNames;
    tableNames << qTableName( "qtest" )
            << qTableName( "qtest_unicode" )
            << qTableName( "qtest_precision" )
            << qTableName( "qtest_ovchar" )
            << qTableName( "qtest_onvchar" )
            << qTableName( "qtestPK" );
    tst_Databases::safeDropTables( db, tableNames );
}

void tst_Q3SqlCursor::populateTestTables( QSqlDatabase db )
{
    if (!db.isValid())
	return;
    QSqlQuery q( db );

    q.exec( "delete from " + qTableName( "qtest" ) ); //not fatal
    QVERIFY_SQL(q, prepare("insert into " + qTableName( "qtest" ) + " (id, t_varchar, t_char, t_numeric) values (?, ?, ?, ?)"));
    q.addBindValue(QVariantList() << 0 << 1 << 2 << 3);
    q.addBindValue(QVariantList() << "VarChar0" << "VarChar1" << "VarChar2" << "VarChar3");
    q.addBindValue(QVariantList() << "Char0" << "Char1" << "Char2" << "Char3");
    q.addBindValue(QVariantList() << 1.1 << 2.2 << 3.3 << 4.4);
    QVERIFY_SQL(q, execBatch());
}

void tst_Q3SqlCursor::initTestCase()
{
    dbs.open();

    for ( QStringList::ConstIterator it = dbs.dbNames.begin(); it != dbs.dbNames.end(); ++it ) {
	QSqlDatabase db = QSqlDatabase::database( (*it) );
	CHECK_DATABASE( db );

	dropTestTables( db ); //in case of leftovers
	createTestTables( db );
	populateTestTables( db );
    }
}

void tst_Q3SqlCursor::cleanupTestCase()
{
    for ( QStringList::ConstIterator it = dbs.dbNames.begin(); it != dbs.dbNames.end(); ++it ) {
	QSqlDatabase db = QSqlDatabase::database( (*it) );
	CHECK_DATABASE( db );
	dropTestTables( db );
    }

    dbs.close();
}

void tst_Q3SqlCursor::init()
{
}

void tst_Q3SqlCursor::cleanup()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );
    if ( QTest::currentTestFailed() ) {
	//since Oracle ODBC totally craps out on error, we init again
	db.close();
	db.open();
    }
}

void tst_Q3SqlCursor::copyConstructor()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur2;
    {
	Q3SqlCursor cur( qTableName( "qtest" ), true, db );
	QVERIFY_SQL(cur, select( cur.index( QString("id") ) ));
	cur2 = Q3SqlCursor( cur );
	// let "cur" run out of scope...
    }

    QSqlRecord* rec = cur2.primeUpdate();
    Q_ASSERT( rec );
    QCOMPARE( (int)rec->count(), 4 );

    int i = 0;
    while ( cur2.next() ) {
	QVERIFY( cur2.value("id").toInt() == i );
	i++;
    }
}

void tst_Q3SqlCursor::value()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur( qTableName( "qtest" ), true, db );
    QVERIFY_SQL(cur, select( cur.index( QString("id") ) ));
    int i = 0;
    while ( cur.next() ) {
	QCOMPARE(cur.value("id").toInt(), i);
	i++;
    }
}

void tst_Q3SqlCursor::primaryIndex()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur( qTableName( "qtest" ), true, db );
    QSqlIndex index = cur.primaryIndex();
    if ( tst_Databases::isMSAccess( db ) ) {
	QCOMPARE( index.fieldName(1).upper(), QString( "ID" ) );
	QCOMPARE( index.fieldName(0).upper(), QString( "T_VARCHAR" ) );
    } else {
	QCOMPARE( index.fieldName(0).upper(), QString( "ID" ) );
	QCOMPARE( index.fieldName(1).upper(), QString( "T_VARCHAR" ) );
    }
    QVERIFY(!index.isDescending(0));
    QVERIFY(!index.isDescending(1));
}

void tst_Q3SqlCursor::insert()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur( qTableName( "qtest" ), true, db );
    QSqlRecord* irec = cur.primeInsert();
    QVERIFY( irec != 0 );

    // check that primeInsert returns a valid QSqlRecord
    QCOMPARE( (int)irec->count(), 4 );
    if ( ( irec->field( 0 ).type() != QVariant::Int ) &&
	 ( irec->field( 0 ).type() != QVariant::String ) ) {
	QFAIL( QString( "Wrong datatype %1 for field 'ID'"
	    " (expected Int or String)" ).arg( QVariant::typeToName( irec->field( 0 ).type() ) ) );
    }
    QCOMPARE( QVariant::typeToName( irec->field( 1 ).type() ), QVariant::typeToName( QVariant::String ) );
    QCOMPARE( QVariant::typeToName( irec->field( 2 ).type() ), QVariant::typeToName( QVariant::String ) );
    QVERIFY((QVariant::typeToName(irec->field(3).type()) == QVariant::typeToName(QVariant::Double)) ||
            (QVariant::typeToName(irec->field(3).type()) == QVariant::typeToName(QVariant::String)));
    QCOMPARE( irec->field( 0 ).name().upper(), QString( "ID" ) );
    QCOMPARE( irec->field( 1 ).name().upper(), QString( "T_VARCHAR" ) );
    QCOMPARE( irec->field( 2 ).name().upper(), QString( "T_CHAR" ) );
    QCOMPARE( irec->field( 3 ).name().upper(), QString( "T_NUMERIC" ) );

    irec->setValue( "id", 400 );
    irec->setValue( "t_varchar", "SomeVarChar" );
    irec->setValue( "t_char", "SomeChar" );
    irec->setValue( "t_numeric", 400.400 );

    QCOMPARE( cur.insert(), 1 );

    // restore old test-tables
    populateTestTables( db );
}

void tst_Q3SqlCursor::insertSpecial()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur( qTableName( "qtest" ), true, db );
    QSqlRecord* irec = cur.primeInsert();
    QVERIFY( irec != 0 );

    QStringList strings;
    strings << "StringWith'ATick" << "StringWith\"Doublequote" << "StringWith\\Backslash" << "StringWith~Tilde";
    strings << "StringWith%Percent" << "StringWith_Underscore" << "StringWith[SquareBracket" << "StringWith{Brace";
    strings << "StringWith''DoubleTick" << "StringWith\\Lot\\of\\Backslash" << "StringWith\"lot\"of\"quotes\"";
    strings << "'StartsAndEndsWithTick'" << "\"StartsAndEndsWithQuote\"";
    strings << "StringWith\nCR" << "StringWith\n\rCRLF";

    int i = 800;

    // INSERT the strings
    QStringList::Iterator it;
    for ( it = strings.begin(); it != strings.end(); ++it ) {
	QSqlRecord* irec = cur.primeInsert();
	QVERIFY( irec != 0 );
	irec->setValue( "id", i );
	irec->setValue( "t_varchar", (*it) );
	irec->setValue( "t_char", (*it) );
	irec->setValue( "t_numeric", (double)i );
	++i;
	QCOMPARE( cur.insert(), 1 );
    }

    QVERIFY( cur.select( "id >= 800 and id < 900" ) );

    int i2 = 800;
    while( cur.next() ) {
	QCOMPARE( cur.value( "id" ).toInt(), i2 );
	QCOMPARE( cur.value( "t_varchar" ).toString().stripWhiteSpace(), strings.at( i2 - 800 ) );
	QCOMPARE( cur.value( "t_char" ).toString().stripWhiteSpace(), strings.at( i2 - 800 ) );
	QCOMPARE( cur.value( "t_numeric" ).toDouble(), (double)i2 );
	++i2;
    }
    QCOMPARE( i, i2 );

    populateTestTables( db );
}

void tst_Q3SqlCursor::batchInsert()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    QSqlQuery q( db );
    q.exec( "delete from " + qTableName( "qtest" ) );

    Q3SqlCursor cur( qTableName( "qtest" ), true, db );

    int i = 0;
    for ( ; i < 100; ++i ) {
	QSqlRecord* irec = cur.primeInsert();
	Q_ASSERT( irec );
	irec->setValue( "id", i );
	irec->setValue( "t_varchar", "blah" );
	irec->setValue( "t_char", "blah" );
	irec->setValue( "t_numeric", 1.1 );
	if ( db.driverName().startsWith( "QSQLITE" ) ) {
	    QVERIFY( cur.insert( true ) );
	} else {
	    QCOMPARE( cur.insert( true ), 1 );
        }
    }

    for ( ; i < 200; ++i ) {
        QSqlRecord* irec = cur.primeInsert();
        Q_ASSERT( irec );
        irec->setValue( "id", i );
        irec->setValue( "t_varchar", "blah" );
        irec->setValue( "t_char", "blah" );
        irec->setValue( "t_numeric", 1.1 );
	if ( db.driverName().startsWith( "QSQLITE" ) ) {
	    QVERIFY( cur.insert( false ) );
	} else {
	    QCOMPARE( cur.insert( false ), 1 );
        }
    }

    i = 0;
    QVERIFY_SQL(q, exec( "select * from " + qTableName( "qtest" ) + " order by id" ));
    while ( q.next() ) {
	QCOMPARE( q.value( 0 ).toInt(), i );
	i++;
    }

    QCOMPARE( i, 200 );

    populateTestTables( db );
}

static QString dumpUtf8( const QString& str )
{
    QString res;
    for ( int i = 0; i < (int)str.length(); ++i ) {
	res += "0x" + QString::number( str[ i ].unicode(), 16 ) + ' ';
    }
    return res;
}

void tst_Q3SqlCursor::insertORA()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    if (tst_Databases::getOraVersion(db) < 9)
	QSKIP("Need Oracle >= 9", SkipSingle);

    /****** CHARSET TEST ******/

    QSqlQuery q( db );
    QVERIFY_SQL(q, exec( "create table " + qTableName( "qtest_ovchar" ) + " ( id int primary key, t_char varchar(40) )" ));

    static const QString val1( "blah1" );

    Q3SqlCursor cur ( qTableName( "qtest_ovchar" ), true, db );
    QSqlRecord* irec = cur.primeInsert();
    irec->setValue( "id", 1 );
    irec->setValue( "t_char", val1 );
    QVERIFY( cur.insert() );

    QVERIFY_SQL(cur, select());
    QVERIFY( cur.next() );
    if ( cur.value( "t_char" ).toString() != val1 )
	qDebug( QString( "Wrong value for t_char: expected '%1', got '%2'" ).arg( val1 ).arg(
		cur.value( "t_char" ).toString() ) );

    static const unsigned short utf8arr[] = { 0xd792,0xd79c,0xd792,0xd79c,0xd799,0x00 };
    static const QString utf8str = QString::fromUcs2( utf8arr );

    irec = cur.primeInsert();
    irec->setValue( "id", 2 );
    irec->setValue( "t_char", utf8str );
    QVERIFY( cur.insert() );

    QVERIFY_SQL(cur, select( "id=2" ));
    QVERIFY( cur.next() );

    // until qtest knows non-fatal errors we use qDebug instead
    if ( cur.value( "t_char" ).toString() != utf8str )
        qDebug( QString( "Wrong value for t_char: expected '%1', got '%2'" ).arg( dumpUtf8 ( utf8str ) ).arg(
                dumpUtf8( cur.value( "t_char" ).toString() ) ) );

    /****** NCHARSET TEST ********/

    QVERIFY_SQL(q, exec( "create table " + qTableName( "qtest_onvchar" ) + " ( id int primary key, t_nchar nvarchar2(40) )" ));

    Q3SqlCursor cur2 ( qTableName( "qtest_onvchar" ), true, db );
    irec = cur2.primeInsert();
    irec->setValue( "id", 1 );
    irec->setValue( "t_nchar", val1 );
    QVERIFY( cur2.insert() );

    QVERIFY_SQL(cur2, select());
    QVERIFY( cur2.next() );
    if ( cur2.value( "t_nchar" ).toString() != val1 )
        qDebug( QString( "Wrong value for t_nchar: expected '%1', got '%2'" ).arg( val1 ).arg(
                cur2.value( "t_nchar" ).toString() ) );

    irec = cur2.primeInsert();
    irec->setValue( "id", 2 );
    irec->setValue( "t_nchar", utf8str );
    QVERIFY( cur2.insert() );

    QVERIFY_SQL(cur2, select( "id=2" ));
    QVERIFY( cur2.next() );

    // until qtest knows non-fatal errors we use qDebug instead
    if ( cur2.value( "t_nchar" ).toString() != utf8str )
        qDebug( QString( "Wrong value for t_nchar: expected '%1', got '%2'" ).arg( dumpUtf8( utf8str ) ).arg(
                dumpUtf8( cur2.value( "t_nchar" ).toString() ) ) );

}

void tst_Q3SqlCursor::unicode()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    static const unsigned short utf8arr[] = { 0xd792,0xd79c,0xd792,0xd79c,0xd799,0x20,0xd7a9,0xd799,0x00 };
    static const QString utf8str = QString::fromUcs2( utf8arr );
    if ( !db.driver()->hasFeature( QSqlDriver::Unicode ) ) {
	 QSKIP( "DBMS not Unicode capable", SkipSingle );
    }

    Q3SqlCursor cur( qTableName( "qtest_unicode" ), true, db );
    QSqlRecord* irec = cur.primeInsert();
    irec->setValue( 0, 500 );
    irec->setValue( 1, utf8str );
    irec->setValue( 2, utf8str );
    QVERIFY_SQL(cur, insert());
    QVERIFY_SQL(cur, select( "id=500" ));
    QVERIFY_SQL(cur, next());
    QString res = cur.value( 1 ).asString();
    cur.primeDelete();
    cur.del();

    if ( res != utf8str ) {
	int i;
	for ( i = 0; i < (int)res.length(); ++i ) {
	    if ( res[ i ] != utf8str[ i ] )
		break;
	    }
	QFAIL( QString( "Strings differ at position %1: orig: %2, db: %3" ).arg( i ).arg( utf8str[ i ].unicode(), 0, 16 ).arg( res[ i ].unicode(), 0, 16 ) );
    }
    QVERIFY( res == utf8str );
}

void tst_Q3SqlCursor::precision()
{
    static const QString precStr = "1.23456789012345";
    static const double precDbl = 2.23456789012345;

    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur( qTableName( "qtest_precision" ), true, db );
    cur.setTrimmed( "col1", true );
    QSqlRecord* irec = cur.primeInsert();
    irec->setValue( 0, precStr );
    QVERIFY( cur.insert() );

    irec = cur.primeInsert();
    irec->setValue( 0, precDbl );
    QVERIFY( cur.insert() );

    QVERIFY_SQL(cur, select());
    QVERIFY( cur.next() );
    QCOMPARE( cur.value( 0 ).asString(), QString( precStr ) );
    QVERIFY( cur.next() );
    QCOMPARE( cur.value( 0 ).asDouble(), precDbl );
}

void tst_Q3SqlCursor::setFilter()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur( qTableName( "qtest" ), true, db );
    cur.setFilter( "id = 2" );

    QVERIFY_SQL(cur, select());
    QVERIFY( cur.next() );
    QCOMPARE( cur.value( "id" ).toInt(), 2 );
    QVERIFY( !cur.next() );

    QVERIFY_SQL(cur, select());
    QVERIFY( cur.next() );
    QCOMPARE( cur.value( "id" ).toInt(), 2 );
    QVERIFY( !cur.next() );

    QVERIFY_SQL(cur, select( "id = 3" ));
    QVERIFY( cur.next() );
    QCOMPARE( cur.value( "id" ).toInt(), 3 );
    QVERIFY( !cur.next() );
    
    QVERIFY_SQL(cur, select());
    QVERIFY( cur.next() );
    QCOMPARE( cur.value( "id" ).toInt(), 3 );
    QVERIFY( !cur.next() );
}

void tst_Q3SqlCursor::select()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor cur( qTableName( "qtest" ), true, db );
    QVERIFY_SQL(cur, select());
    QVERIFY( cur.next() );
    QVERIFY( cur.next() );

    Q3SqlCursor cur2( qTableName( "qtest" ), true, db );
    QVERIFY_SQL(cur2, select( "id = 1" ));
    QVERIFY( cur2.next() );
    QCOMPARE( cur2.value( 0 ).toInt(), 1 );

    Q3SqlCursor cur3( qTableName( "qtest" ), true, db );
    QVERIFY_SQL(cur3, select( cur3.primaryIndex( false ) ));
    QVERIFY( cur3.next() );
    QVERIFY( cur3.next() );
    QCOMPARE( cur3.value( 0 ).toInt(), 1 );

    Q3SqlCursor cur4( qTableName( "qtest" ), true, db );
    QSqlIndex idx = cur4.primaryIndex( false );
    QCOMPARE( (int)idx.count(), 2 );
    if ( tst_Databases::isMSAccess( db ) ) {
	QCOMPARE( idx.field( 1 ).name().upper(), QString("ID") );
	QCOMPARE( idx.field( 0 ).name().upper(), QString("T_VARCHAR") );
    } else {
	QCOMPARE( idx.field( 0 ).name().upper(), QString("ID") );
	QCOMPARE( idx.field( 1 ).name().upper(), QString("T_VARCHAR") );
    }

#ifdef QT_DEBUG
    // for people too stupid to read docs we had to insert this debugging message.
    QTest::ignoreMessage(QtDebugMsg, "Q3SqlCursor::setValue(): This will not affect actual database values. Use primeInsert(), primeUpdate() or primeDelete().");
#endif
    cur4.setValue( "id", 1 );
#ifdef QT_DEBUG
    QTest::ignoreMessage(QtDebugMsg, "Q3SqlCursor::setValue(): This will not affect actual database values. Use primeInsert(), primeUpdate() or primeDelete().");
#endif
    cur4.setValue( "t_varchar", "VarChar1" );

    QVERIFY_SQL(cur4, select( idx, cur4.primaryIndex( false ) ));
    QVERIFY( cur4.next() );
    QCOMPARE( cur4.value( 0 ).toInt(), 1 );
}

void tst_Q3SqlCursor::setName()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    Q3SqlCursor c2( qTableName( "qtest" ), true, db );
    QCOMPARE( c2.name(), qTableName( "qtest" ) );
    QCOMPARE( c2.fieldName( 0 ).lower(), QString( "id" ) );

    Q3SqlCursor c( QString(), true, db );
    c.setName( qTableName( "qtest" ) );
    QCOMPARE( c.name(), qTableName( "qtest" ) );
    QCOMPARE( c.fieldName( 0 ).lower(), QString( "id" ) );

    c.setName( qTableName( "qtest_precision" ) );
    QCOMPARE( c.name(), qTableName( "qtest_precision" ) );
    QCOMPARE( c.fieldName( 0 ).lower(), QString( "col1" ) );
}

/* Database independent test */
void tst_Q3SqlCursor::updateNoPK()
{
    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );
    
    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("create table " + qTableName( "qtestPK" ) + " (id int, name varchar(20), num numeric)"));
    
    Q3SqlCursor cur(qTableName("qtestPK"), true, db);
    QSqlRecord* rec = cur.primeInsert();
    Q_ASSERT(rec);
    rec->setNull(0);
    rec->setNull(1);
    rec->setNull(2);
    QVERIFY_SQL(cur, insert() == 1);
    if (!db.driver()->hasFeature(QSqlDriver::PreparedQueries)) {

        // Only QPSQL, QMYSQL, QODBC and QOCI drivers currently use escape identifiers for column names
        if (db.driverName().startsWith("QPSQL") ||
                db.driverName().startsWith("QMYSQL") ||
                db.driverName().startsWith("QODBC") ||  
                db.driverName().startsWith("QOCI")) {
            QString query = QString::fromLatin1("insert into " + qTableName("qtestPK") +
                                                " (" + db.driver()->escapeIdentifier("id", QSqlDriver::FieldName) + ','
                                                + db.driver()->escapeIdentifier("name", QSqlDriver::FieldName) + ','
                                                + db.driver()->escapeIdentifier("num", QSqlDriver::FieldName) + ')'
                                                + " values (NULL,NULL,NULL)");
            QCOMPARE(cur.lastQuery(), query);
        } else {
	    QCOMPARE(cur.lastQuery(), QString::fromLatin1("insert into " + qTableName("qtestPK") +
						         " (\"id\",\"name\",\"num\") values (NULL,NULL,NULL)"));
        }
    }

    rec = cur.primeUpdate();
    Q_ASSERT(rec);
    rec->setValue(0, 1);
    rec->setNull(1);
    rec->setNull(2);
    // Sqlite returns 2, don't ask why.
    QVERIFY(cur.update() != 0);
    QString expect = "update " + qTableName("qtestPK") +
            " set id = 1 , name = NULL , num = NULL  where " + qTableName("qtestPK") + ".id"
            " IS NULL and " + qTableName("qtestPK") + ".name IS NULL and " +
            qTableName("qtestPK") + ".num IS NULL";
    if (!db.driver()->hasFeature(QSqlDriver::PreparedQueries)) {
        if (!db.driverName().startsWith("QSQLITE")) {
	    QCOMPARE(cur.lastQuery(), expect);
        }
    }
    QVERIFY(cur.select(cur.index(QString("id"))));
    QVERIFY(cur.next());
    QCOMPARE(cur.value("id").toInt(), 1);
    QVERIFY(cur.isNull("name"));
    QVERIFY(cur.isNull("num")); 
}

// For task 117996: Q3SqlCursor::insert() should not fail even if field names 
// contain white spaces.
void tst_Q3SqlCursor::insertFieldNameContainsWS() {

    QFETCH( QString, dbName );
    QSqlDatabase db = QSqlDatabase::database( dbName );
    CHECK_DATABASE( db );

    // The bugfix (and this test) depends on QSqlDriver::escapeIdentifier(...) 
    // to be implemented, which is currently only the case for the 
    // QPSQL, QODBC and QOCI drivers.
    if (!db.driverName().startsWith("QPSQL") && 
            !db.driverName().startsWith("QODBC") &&  
            !db.driverName().startsWith("QOCI")) {
       QSKIP("PSQL, QODBC or QOCI specific test", SkipSingle);
       return;
    }

    QString tableName = qTableName("qtestws");

    QSqlQuery q(db);
    q.exec(QString("DROP TABLE %1").arg(tableName));
    QString query = QString("CREATE TABLE %1 (id int, \"first Name\" varchar(20), "
                            "lastName varchar(20))");
    QVERIFY_SQL(q, exec(query.arg(tableName)));

    Q3SqlCursor cur(QString("%1").arg(tableName), true, db);
    cur.select();

    QSqlRecord *r = cur.primeInsert();
    r->setValue("id", 1);
    r->setValue("firsT NaMe", "Kong");
    r->setValue("lastNaMe", "Harald");

    QVERIFY(cur.insert() == 1);

    cur.select();
    cur.next();

    QVERIFY(cur.value(0) == 1);
    QCOMPARE(cur.value(1).toString(), QString("Kong"));
    QCOMPARE(cur.value(2).toString(), QString("Harald"));
    
    q.exec(QString("DROP TABLE %1").arg(tableName));

}

QTEST_MAIN(tst_Q3SqlCursor)
#include "tst_q3sqlcursor.moc"